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Главная страница Новости Тур чемпионов Skilling Open Круговой турнир

Круговой турнир Тура чемпионова Skilling Open

22.11.2020 - 24.11.2020

Оглавление: Обзор Тура чемпионова Skilling Open
Круговой турнир , Нокаут и финал

В нокаут вышли:

Уэсли Со
Магнус Карлсен
Ян Непомнящий
Хикару Накамура
Аниш Гири
Левон Аронян
Теймур Раджабов
Максим Вашье-Лаграв

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.1"]
[White "Giri, Anish"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B62"]
[WhiteElo "2731"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,52,26,31,0,12,0,0,0,14,0,21,37,61,59,67,73,71,73,61,70,76,46,52,56,
55,53,56,59,58,18,39,0,0,0,8,0,0,0,8,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb5 Bd7 8. Qd3 $1 {[%mdl 4] outshines the
older 8.Bxc6. B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.}
(8. O-O {with more complications.} Be7 9. Nb3 Qc7 10. Be3 O-O 11. f4) 8... Be7
9. Bxc6 bxc6 10. O-O-O O-O 11. Nb3 d5 12. e5 Ng4 13. Bxe7 Qxe7 14. Qd4 Nh6 15.
f4 f6 {[#]} 16. exf6 $146 ({Predecessor:} 16. Rhe1 Nf7 17. Nc5 fxe5 18. fxe5
Nh6 19. N3a4 Be8 20. Rf1 Bh5 21. Rde1 Nf5 22. Qd2 {1-0 (36) Matlakov,M (2700)
-Maghsoodloo,P (2688) St Petersburg 2018}) 16... Qxf6 17. g3 (17. Nc5 {keeps
more tension.} Qe7 18. Rhe1 Nf5 19. Qg1 Rae8 20. g3) 17... Nf5 18. Qxf6 gxf6
19. Nc5 Rf7 20. Rhe1 Re8 21. g4 (21. N3e4 $5 Bc8 22. g4 dxe4 23. gxf5 exf5 24.
Rg1+ Rg7 25. Rxg7+ Kxg7 26. Rd6 $14) 21... Nd6 22. h4 Bc8 {The position is
equal.} 23. Nd3 Ba6 24. Nc5 Bc8 25. Nd3 Ba6 26. Nc5 Bc8 {Weighted Error Value:
White=0.10/Black=0.05} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.2"]
[White "Karjakin, Sergey"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "2709"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,48,0,6,-64,-55,-42,-42,-47,-42,-31,-37,-56,-36,-48,-28,-62,-53,-53,
-55,-61,-50,-64,-44,-58,-35,-66,-54,-41,0,0,0,-60,0]} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. exd5 Qxd5 9. Nc3 Bb4 10. Bxf6
{B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} ({Better is} 10. Qd2 $11)
10... Qxd1+ $15 {[#]} 11. Kxd1 $146 ({Predecessor:} 11. Rxd1 gxf6 12. Kd2 Nc6
13. a3 O-O-O+ 14. Bd3 Bxb3 15. cxb3 Bf8 16. Ne2 Bh6+ 17. Kc2 Be3 {1-0 (53)
Popov,I (2596)-Nazaretyan,T (2308) Sochi 2016}) 11... gxf6 12. Nb5 Kd7 13. a3
Be7 14. Ke1 Rc8 15. Bd3 f5 16. Kf2 Ke8 17. Rhe1 Nd7 18. Nc3 Kf8 19. g3 Nc5 20.
Nxc5 Rxc5 21. Na4 Ra5 22. Nc3 Rc5 23. Na4 Ra5 (23... Rd5 $11) 24. Nc3 {
Threatening b4.} Rc5 {Weighted Error Value: White=0.12/Black=0.05} (24... Bc5+
$15 25. Kg2 Bd4) 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.22"]
[Round "1.3"]
[White "Nakamura, Hikaru"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2829"]
[BlackElo "2774"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,68,0,0,0,0,2,0,0,0,0,0,0,5,0,0,0,0,0,0,8,0,0,0,17,9,11,0,0,0,0,0,0,0,
7,4,0,0,22,8,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. d4
Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. O-O Nxe5 7. dxe5 {The position is equal.} Nc5 {
C43: Petroff Defence: 3 d4.} 8. f4 g6 9. Be3 Nxd3 10. Qxd3 c6 11. Nd2 Be7 12.
Qc3 O-O 13. Nb3 {[#]} Bf5 $146 ({Predecessor:} 13... Re8 14. a4 Bf8 15. a5 a6
16. Bc5 Bxc5+ 17. Nxc5 Qc7 18. Ra3 Bf5 19. Rb3 Rab8 {1-0 (30) Sanchez,M (2352)
-Normando,M (2068) ICCF email 2006}) 14. Rad1 Rc8 15. Bc5 b6 16. Bxe7 Qxe7 17.
Rfe1 Rfd8 18. Nd4 Qd7 19. Nxf5 Qxf5 20. Rf1 c5 21. Qd3 Qxd3 22. Rxd3 $11 {
[%mdl 4096] Endgame KRR-KRR} d4 23. Rfd1 f6 24. exf6 Rf8 25. c3 Rxf6 26. cxd4
Rxf4 27. dxc5 Rxc5 28. Rd7 Rf7 29. Rxf7 Kxf7 {KR-KR} 30. Rd7+ Kg8 31. Rd8+ Kg7
32. Rd7+ Kg8 33. Rd8+ Kg7 34. Rd7+ Kg8 {A rather calm draw.  Weighted Error
Value: White=0.01/Black=0.03} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.4"]
[White "Le, Quang Liem"]
[Black "Aronian, Levon"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "2744"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,106,19,14,17,30,33,0,9,7,8,-20,-20,-22,0,0,0,0,19,0,69,0,16,12,25,0,
0,0,0,-37,-16,-36,0,-20,-16,-23,-46,-43,0,0,0,-112,0,0,0,-62,0,0,0,-199,-77,
-50,0,0,0,-1238,-60,-68,-64,-64,-70,-92,-67,-385,-372,-387,-387,-377,-366,-488,
-470,-506,-494,-877,-868,-1011,-1037,-1504,-1511,-1472,-1285,-2093,-2016,
-29979,-29980,-29980,-29981]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5
O-O 6. e3 Nbd7 7. Rc1 dxc4 8. Bxc4 a6 9. a4 b6 10. O-O Bb7 11. Qe2 c5 12. Rfd1
cxd4 {D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} 13.
Nxd4 {[#]} Qe8 $146 ({Predecessor:} 13... Nd5 14. Bxd5 exd5 15. Bxe7 Qxe7 16.
Nf5 Qe6 17. Nd4 Qg6 18. Qf3 Nf6 19. Nf5 Kh8 20. Nd6 {1-0 (28) Gajdosik,A (1972)
-Jakab,R (1880) Slovakia 2018}) 14. e4 Ne5 {The position is equal.} 15. Bb3 Bc5
16. Bf4 Ng6 17. Be3 Rc8 (17... Nxe4 $6 18. Nxe4 Bxe4 19. Nxe6 $1 $16 {[%mdl
512]}) 18. f3 Qe7 19. Bc4 a5 20. Bb5 Bd6 (20... Ne8 $11) 21. g3 ({Better is} 
21. Nb3 $14) 21... h5 $11 22. Qf2 h4 23. Nde2 Bc5 24. Rd2 Ne5 25. Rcd1 g5 26.
Bxc5 Rxc5 (26... Qxc5 {is more complex.} 27. Nd4 g4 28. f4 hxg3 29. hxg3 Nf3+)
27. g4 Bc6 28. Nd4 Bxb5 29. axb5 Qc7 30. Na4 Rc1 31. Ne2 (31. Qe3 $1 $11 Nh7
32. Nc6 Rxd1+ 33. Rxd1) 31... Rc4 (31... Rxd1+ $17 32. Rxd1 Rd8 33. Rxd8+ Qxd8)
32. b3 Rb4 33. Nd4 ({White should play} 33. Qe3 $11 Nh7 34. Rc1) 33... Rc8 (
33... Rd8 $15 34. Qe3 Nh7) 34. Qe3 Kh7 35. Nc6 $2 (35. Qxg5 $2 Rxd4 $1 {
[%mdl 512]} 36. Qxf6 Rxd2 $19) (35. Kh1 $11 {and White stays safe.}) 35... Nxc6
(35... Rxb5 $19 {has better winning chances.} 36. Nd4 Rb4) 36. bxc6 $17 ({
But not} 36. Qxg5 Rxb3 37. bxc6 (37. Qxf6 Ne5 $11) 37... Rxf3 $11) 36... Qf4 (
36... Qe5 $5 {[%cal Rc8c6]} 37. Rc2 (37. Nxb6 Rxc6 38. Nc4 Qc5 $15) 37... Nd5
$15) 37. Qc3 Nxe4 (37... e5 {is interesting.} 38. Rd3 Ne8 39. Rd7 Kg7 40. Nb2
Rxc6 41. Rxf7+ Kxf7 42. Rd7+ Kf8) 38. Qd3 $2 {[%mdl 8192] [#]} (38. fxe4 $11
Qxg4+ 39. Kh1 Qxe4+ {[%mdl 64] Double Attack} 40. Rg2) 38... Rxc6 $2 (38... Rd8
$1 $19 {[%mdl 512]} 39. Rc2 (39. Qxd8 Qe3+) 39... Rxd3 40. Rxd3 Rd4 $1 {
[%mdl 512]}) 39. fxe4 $15 Qxe4 40. h3 Qxd3 41. Rxd3 {[#]} b5 $1 {[%cal Rb5a4,
Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 42. Nc3 $2 {[%mdl 8192] Now White is beyond hope.}
({White must play} 42. Nb2 $15) 42... Rxb3 $19 43. Ne4 Rxd3 44. Rxd3 {[%mdl
4096] Endgame KRN-KR} Kg6 45. Rd8 {intending Rg8+.} f5 46. Nf2 b4 47. Rb8 (47.
gxf5+ $142 exf5 48. Nd3) 47... Rc3 48. gxf5+ exf5 49. Rb6+ Kh5 50. Kf1 b3 51.
Ke2 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 52. Nd3 a3 53. Rb8 {[#]} Rxd3 $1 {[%mdl
576] Promotion.  Weighted Error Value: White=0.98/Black=0.37} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.5"]
[White "Vidit, Santosh Gujrathi"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2636"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,97,29,29,50,41,38,0,0,0,44,10,10,10,41,40,50,46,35,37,51,22,41,33,73,
63,88,5,3,4,85,83,138,102,127,121,172,178,178,187,169,175,207,179,169,4,2,6,8,
7,13,0,8,0,32,32,29,14,16,11,13,10,29,11,14,15,52,29,48,2,4,0,14,4,8,0,0,0,11,
0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8.
a4 Nc6 9. Qxc4 Qd5 {9...Na5 deserves study.} 10. Nbd2 Rd8 11. e3 Qh5 {E05:
Open Catalan: 5 Nf3 Be7.} 12. h3 Nd5 {[#]} 13. a5 $146 ({Predecessor:} 13. b3
Ndb4 14. Ba3 Bd7 15. Qe2 Be8 16. Rfc1 f6 17. Ne4 b6 18. Bxb4 Bxb4 19. g4 {
1/2-1/2 (37) Kamsky,G (2741)-Kryvoruchko,Y (2676) Achaea 2012}) 13... Ndb4 14.
Qc3 Nxa5 15. g4 (15. Qxc7 $5 {[%cal Ra1a5]} Nac6 16. g4 $11) 15... Qb5 $1 16.
Qxc7 Nac6 (16... Nbc6 $5 {[%cal Re7d6]}) 17. Ne5 {[#] Strongly threatening
Nxc6.} Nxe5 18. Qxe7 Nec6 19. Qh4 e5 20. Nf3 Bd7 21. dxe5 Nd3 22. Bd2 Ndxe5 23.
Nxe5 ({Better is} 23. Ng5 $16 h6 24. Ne4) 23... Nxe5 $11 24. Bc3 {With the
idea Ra5.} Ng6 (24... Bc6 $11) 25. Qh5 $36 {[%mdl 2048] White is in control.}
Qb3 (25... Bc6 $142) 26. Ra3 Qb6 27. Qa5 Qe6 (27... Qd6 $16 {is a better
defense.}) 28. Bxb7 $18 Bc6 29. Bxa8 Rxa8 30. Qf5 {Hoping for Qxe6.} Qe8 31. e4
Bxe4 {[#]} 32. Re1 $2 (32. Qc5 $1 $18 {[%cal Rc5d4]} Bc6 33. Re1) 32... Bxf5
$11 33. Rxe8+ Rxe8 34. gxf5 {[%mdl 4096] Endgame KRB-KRN} Nf4 35. Kh2 Ra8 36.
f6 g6 37. Be5 Nd5 38. Ra5 Nb4 39. Bc3 Nc6 40. Ra4 h6 41. Kg3 Kh7 42. h4 g5 43.
h5 Nd8 44. Rd4 Ne6 {The position is equal.} 45. Ra4 Nc5 46. Rc4 Ne6 47. Ra4 Nc5
48. Rc4 Ne6 49. Ra4 {Weighted Error Value: White=0.21/Black=0.16} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.6"]
[White "So, Wesley"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2741"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,102,-4,-4,0,-37,-20,-19,-14,-17,-18,-9,-8,-23,-4,-16,0,0,20,0,8,0,0,
-11,-14,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3
Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 Nbd7 8. Nf3 b6 9. Nd2 Bb7 10. f3
h6 11. Bh4 Re8 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 12. e3 e5 13.
dxe5 {[#]} dxe5 $146 ({Predecessor:} 13... Rxe5 14. Bg3 Re6 15. Be2 Qe7 16. Bf2
d5 17. O-O Re8 18. Rfe1 c5 19. Bf1 Ne5 {1-0 (40) Steingrimsson,H (2543)
-Vallejo Pons,F (2705) Warsaw 2013}) 14. Be2 Ne4 {[%mdl 64] [#] Decoy} 15. Nxe4
Qxh4+ {[%mdl 64] Double Attack} 16. Ng3 Rad8 17. O-O {The position is equal.}
Qe7 18. b4 Nf6 19. Rfd1 g6 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Bxd1 h5 23. Nh1 e4
24. f4 c5 25. Nf2 Qe6 26. h3 Ne8 27. g4 hxg4 28. hxg4 Nd6 29. Be2 Ba6 $1 {
[%cal Ra6c4]} 30. b5 Bc8 31. g5 Qe7 32. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bf5
33. a5 Qe6 34. a6 f6 35. gxf6 Kf7 36. Qe5 Qxf6 37. Qd5+ Qe6 {aiming for ...
Qxd5.} 38. Qa8 Qe7 39. Nd1 Qh4 40. Nf2 Qg3+ 41. Kf1 Qxe3 42. Qxa7+ {[%mdl 64] 
[#] Double Attack} Ke6 {Hoping for ...Qc1+.} 43. Qxb6 Bh3+ 44. Nxh3 Qxh3+ 45.
Ke1 $1 Qc3+ {[%mdl 64] Double Attack} 46. Kf2 {Threatens to win with Bg4+.}
Qd4+ 47. Kf1 Qa1+ 48. Kf2 Qd4+ $1 {[%mdl 64] Double Attack} 49. Ke1 {And now
Qc6 would win.} Qc3+ 50. Kd1 {Strongly threatening Bg4+.} Qb3+ 51. Ke1 Qc3+ {
An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.22"]
[Round "1.7"]
[White "Svidler, Peter"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2742"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,176,39,5,22,22,16,10,15,14,14,18,14,20,13,7,6,5,0,0,0,0,13,0,14,14,
21,14,20,20,45,44,50,29,33,25,31,22,35,26,49,52,61,39,39,39,50,36,54,11,27,13,
144,45,62,56,79,79,79,79,79,79,79,79,79,79,79,79,79,79,79,79,79,85,102,25,131,
131,131,131,366,131,131,131,131,50,131,131,131,131,131,0,131,131,131,131,131,
131,131,131,131,131,131,131,131,131,131,131,131,131,131,69,131,131,131,131,131,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,8,0,0,0,8,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,
0,0,8,0,0,0,8,0,8]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6
7. Re1 O-O 8. h3 (8. b4 $5 {[%cal Rb4c5]} Bb6 9. Nbd2 $11) 8... a6 {C54:
Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. a4 Re8 10. Nbd2 Ba7
11. b4 $1 {[%cal Bb2b4,Bb4b5][%mdl 32] The main line 11.b4 scores better than
11.Nf1.} Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Rb1 Rd8 15. b5 Ne7 {[#]} 16. d4 $146
{aiming for d5.} ({Predecessor:} 16. Nc4 Ng6 17. b6 {1/2-1/2 (17) Van Foreest,
J (2612)-Radjabov,T (2757) Wijk aan Zee 2019}) 16... Ng6 17. d5 Ree8 18. c4 Rf8
19. Nf1 Bc5 20. Be3 Bxe3 $1 21. Nxe3 b6 22. a5 axb5 23. Rxb5 bxa5 24. Rxa5 Ra8
25. Rea1 Rxa5 26. Rxa5 Rb8 27. c5 Qd8 28. Nc4 Ne8 29. g3 Qc8 30. Kg2 Ra8 31.
Nfd2 Rxa5 32. Nxa5 f5 (32... dxc5 $11 33. Qxc5 f5) 33. cxd6 (33. exf5 $16 Ne7
34. Nc6) 33... Nxd6 $14 34. Nac4 Ne7 35. Nxd6 cxd6 36. Qxc8+ Nxc8 37. exf5 $16
{[%mdl 4096] Endgame KN-KN} Ne7 {[%mdl 64] Double Attack} 38. g4 $1 Nxd5 39.
Nc4 $1 Nf4+ 40. Kg3 $1 Ne2+ 41. Kh2 Kf7 42. Nxd6+ Ke7 43. Ne4 h5 44. Kg2 (44.
gxh5 $16 Kf7 45. Kg2) 44... hxg4 (44... h4 $1 $11) 45. hxg4 Kf7 46. Kf3 Nf4 $2
(46... Ng1+ $16 {keeps fighting.} 47. Kg3 Ne2+ 48. Kh4 Nf4) 47. g5 $2 (47. Nc5
$1 $18) 47... g6 48. Kg4 Nd3 49. Nd6+ (49. f6 $16) 49... Kg7 (49... Kf8 $1 $14)
50. f6+ Kf8 51. Kf3 {Black must now prevent Nc4.} Nf4 52. Kg4 {Threatens to
win with Nc4.} Nd3 $1 53. f3 Nf4 54. Nc4 Nd3 55. Nb6 Kf7 56. Nd5 Nc5 57. Nc3
Nd3 58. Ne4 Ke6 59. Kg3 Kf7 60. Kg2 Ke6 61. Kf1 {Cut Off at move 61} Nf4 {[#]}
62. Kf2 (62. Kg1 $1 $16) 62... Nd5 (62... Kf5 $1 $14) 63. Nc5+ Kd6 64. Nd3 Nc7
{[#]} 65. f4 ({White has to play} 65. Kg3 $1 $16 Ne6 66. Kh4) 65... Ne6 $11 {
The position is equal.} 66. fxe5+ Kd5 $1 67. f7 {Strongly threatening Nf4+!}
Nf8 $1 68. Ke3 Nh7 69. Kf4 Ke6 70. f8=Q (70. Kg4 {is more complex.} Kxf7 71.
Nf4 Nf8 72. Kf3 Nh7 73. e6+) 70... Nxf8 71. Ke4 Nh7 72. Nc5+ Ke7 73. Kf4 Nf8
74. Ke4 Nh7 75. Kf4 Nf8 76. Nb3 Ke6 77. Ke4 Nh7 78. Nd4+ Ke7 79. Kf4 Nf8 80.
Nc6+ Kd7 {Hoping for ...Ne6+.} 81. Nd4 (81. Na5 {feels hotter.} Ne6+ 82. Kg4
Nc5 83. Kf4 Ke6 84. Nc6) 81... Ke7 82. Ke3 Nh7 83. Nf3 Nf8 84. Ke4 Ne6 85. Kd5
Kd7 86. Ke4 Ke7 87. Kd5 Kd7 88. Ke4 Ke7 {Blacks defense is rewarded with a
draw.  Weighted Error Value: White=0.17/Black=0.17} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "1.8"]
[White "Nepomniachtchi, Ian"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2778"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,76,26,62,52,66,44,92,92,92,91,92,92,92,87,92,88,92,63,63,63,63,58,59,
66,94,77,74,16,0,0,22,-11,-6,0,-18,-16,16,11,59,46,51,22,63,41,68,22,56,52,112,
32,35,31,66,1,7,-146,-158,-557,-542,-493,-306,-234,-104,-174,-178,-178,1346]} 
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 Ng6 5. d4 exd4 6. Nxd4 Bc5 {6...Nxd4 is
more fashionable. has lost popularity (6...Nxd4).} 7. Be3 {C60: Ruy Lopez:
Unusual Black 3rd moves and 3...g6.} Bxd4 8. Bxd4 Qg5 9. g3 {h4 is the strong
threat.White is better.} ({Much worse is} 9. Bxg7 $6 Rg8 $11) 9... Nxd4 10.
Qxd4 Ne5 {aiming for ...Nf3+.} 11. Be2 Nc6 12. Qc4 d6 {[#]} 13. Nd5 $146 ({
Predecessor:} 13. f4 Qa5 14. O-O-O Be6 15. Nd5 O-O-O 16. Rd3 Rhe8 17. Bf3 Bxd5
18. Rxd5 Qb6 19. Re1 a6 20. Kb1 Kb8 21. a3 {1/2-1/2 (21) Marciniak,A (2193)
-Ollier,P (2277) Creon 2011}) 13... Qd8 14. Qc3 O-O 15. O-O-O Re8 16. f3 Be6
17. Bb5 Bd7 18. h4 a6 19. Ba4 (19. Be2 $16) 19... b5 $11 20. Bb3 a5 {Hoping
for ...a4.} 21. a3 b4 22. axb4 axb4 23. Nxb4 Nxb4 24. Qxb4 Be6 25. Bxe6 Rxe6
26. Qc3 h5 27. b3 Rg6 28. f4 Ra6 29. Kb2 Re6 (29... Qe7 $14) 30. Qc4 (30. Rhe1
$16) 30... Qf6+ $1 $14 31. c3 Ra8 $1 32. Rhe1 ({White should play} 32. Qd5 $14
Ree8 33. Rhe1) 32... Qe7 $11 33. Rd5 $2 {[#]} ({White should try} 33. Qc6 $11
Qe8 34. Qd5 (34. Qxc7 Rxe4 35. Rxe4 Qxe4 $11)) 33... c6 $1 $17 {[%cal Rc6d5]
[%mdl 1024] Black has strong compensation.} 34. Rd4 $2 {[#]} (34. Rd2 $17 d5
35. Qd4) 34... d5 $1 $19 {[%mdl 512]} 35. Qe2 (35. exd5 Qa3+) 35... Qa3+ 36.
Kc2 Qa2+ (36... dxe4 $19 {( -> ...Qa2+)} 37. Rb1 e3) 37. Kd3 (37. Kc1 $17)
37... Qxb3 38. Qc2 Qb4 $4 {[%mdl 8192] White used his chance.  Weighted Error
Value: White=0.49/Black=0.21} (38... Qb6 $19 39. Ke2 Rxe4+ 40. Rxe4 dxe4) 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2860"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,142,29,17,23,6,15,24,19,-38,-45,-36,-18,-16,0,0,0,-45,-56,-40,-53,
-60,79,-60,-55,-67,-49,-49,-40,-38,-25,-27,-39,-31,-37,-47,-40,-72,-71,-79,-65,
-78,-75,-90,-70,-79,-64,-138,-126,-176,-158,-158,-150,-154,-158,-162,-151,-154,
-132,-145,-147,-154,-154,-147,-147,-143,-85,-102,-100,-90,-49,-125,-125,-107,
-107,-107,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-65,-55,
-55,-55,-55,-55,-59,-38,-38,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6
dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Be6 {C67: Ruy Lopez: Berlin Defence: 4
0-0 Nxe4.} 10. Nc3 Bb4 11. Ne2 Bd5 {White has an edge.} 12. Nfd4 (12. Nd2 $11)
12... Nxd4 $15 13. Nxd4 Re8 14. Bf4 Ke7 (14... a5 {with more complications.}
15. Rfd1 Kc8 16. a3 Bc5 17. Rac1 b6) 15. Rfd1 Kf8 {[#]} 16. Rac1 $146 ({
Predecessor:} 16. a3 Bc5 17. Rd2 a5 18. Rad1 a4 19. Nf5 Bc4 {1/2-1/2 (19)
Gopal,G (2603)-Babula,V (2515) Khanty-Mansiysk 2010}) 16... Bxa2 17. b3 a5 18.
Ra1 Red8 (18... Bc3 $1 $15 {keeps the upper hand.}) 19. Rxa2 ({White should
play} 19. Ne2 $16) 19... c5 20. Be3 ({Don't go for} 20. c3 $2 Bxc3 21. e6 Rxd4
$19) 20... Ke8 21. f4 cxd4 (21... g5 {is interesting.} 22. fxg5 Bc3 23. Kf2
cxd4 24. Bd2 Bxd2 25. Rxd2 Ke7) 22. Rxd4 Rxd4 23. Bxd4 {[%mdl 4096] Endgame
KRB-KRB} b5 24. Kf2 a4 25. Kf3 Be7 26. bxa4 bxa4 27. f5 a3 28. Ke4 Kd7 29. c4
Kc6 30. g4 Bc5 31. g5 (31. Ra1 $15) 31... g6 $17 32. Bc3 Ra4 33. fxg6 hxg6 34.
Kd3 Kd7 35. Ra1 Ke6 36. Rf1 a2 37. Rf6+ Ke7 38. Rf1 Ra8 39. Kc2 Be3 40. h4 {[#]
} Bc5 (40... c5 $142 $1 41. Kb3 {[#]} Bd2 $1 {[%mdl 512]}) 41. Kb3 Ra3+ 42. Kc2
Ke8 (42... c6 {feels hotter.} 43. Bb2 Ra4 44. Kb3 Ra8 45. Bc3 Ra3+) 43. Kb2 {
[#]} (43. e6 $15 fxe6 44. Ra1) 43... a1=Q+ $1 {[%mdl 512]} 44. Rxa1 Rxa1 45.
Kxa1 {KB-KB} Bf2 (45... Ke7 $17 {Hoping for ...Bf2.} 46. Be1 Ke6) 46. e6 $1 $15
fxe6 47. Kb2 Bxh4 48. Bf6 Bf2 49. Kc2 Bc5 50. Kd3 $1 Bd6 51. Ke4 Kd7 52. Kd4
Kc6 53. Kd3 Kc5 54. Bd4+ Kb4 55. Bc3+ Kb3 56. Bd4 c5 57. Bf6 e5 {Black wants
to play ...Bc7.} 58. Bd8 {[#]The position is equal.} e4+ $1 {[%mdl 576]
Deflection} 59. Kxe4 Kxc4 {Threatening ...Bg3.} 60. Bf6 Bg3 61. Be7 {Cut Off
at move 61} Kb5 62. Kd5 $1 c4 {aiming for ...c3.} 63. Bf6 $1 Bf2 64. Ke6 Kc5
65. Kf7 Bd4 66. Be7+ Kb5 {Strongly threatening ...c3.} 67. Bf6 Kc5 {...c3 is
the strong threat.} 68. Be7+ Kd5 69. Bb4 Be3 70. Kxg6 c3 71. Bxc3 Bxg5 {
White happily takes the draw.  Weighted Error Value: White=0.15/Black=0.11}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.2"]
[White "Radjabov, Teimour"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "2758"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,9,39,39,39,26,41,28,32,36,39,45,86,71,156,158,152,160,152,77,69,
65,48,14,25,20,22,0,0,0,0,0,0,-102,-84,-130,-56,-237,-237,-237,-237,-237,-237,
-342,-342,-342,-336,-335,-335,-332,-320,-335,-335,-335,-308,-445,-438,-425,
-312,-312,-312,-434,-312,-312,-312,-527,-502,-552,-301]} 1. d4 Nf6 2. c4 g6 3.
Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c5 7. dxc5 Qa5 8. Rc1 Ne4 {[%cal Re4c3]} 9.
Be5 {D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} (9. Qxd5 $2 Nxc3 10. Qd2 (10.
bxc3 $2 Rd8 $19) 10... Rd8 $19) 9... Bxe5 10. Nxe5 Nc6 11. Nxc6 {White is
slightly better.} ({Weaker is} 11. Qxd5 Bf5 $19) 11... bxc6 12. cxd5 Nxc3 13.
Rxc3 {[#]} ({Much weaker is} 13. bxc3 cxd5 14. Qd4 (14. Qxd5 Be6 $17) 14... Bf5
$15) 13... Qxa2 $5 $146 {[%mdl 8] [#] An interesting novelty.} ({Predecessor:} 
13... Rb8 14. Qd2 Rd8 15. Rb3 Qxd2+ 16. Kxd2 Rxd5+ 17. Kc3 Rxb3+ 18. axb3 Rd1
19. g3 Rc1+ {0-1 (70) Stojanovic,M (2568)-Kuzubov,Y (2639) Dubai 2014}) 14. b4
$1 cxd5 (14... Ba6 $142) 15. Qc1 $16 {Black must now prevent Ra3.} d4 16. exd4
Qd5 17. Be2 (17. Qe3 $142) 17... Rb8 18. O-O {And now b5 would win.} Rxb4 19.
Bf3 Qxd4 20. Rd1 Qe5 21. Re3 Qc7 22. c6 Be6 23. h3 a5 24. Rxe6 (24. Rc3 $11 {
keeps the balance.}) 24... fxe6 $17 25. Qe3 Rf6 (25... Kf7 $17 26. Qh6 Rh8) 26.
g3 $2 {[#]} (26. Qc3 $1 $15) 26... Qb6 $1 $19 {[%cal Rb6e3]} 27. Qxb6 Rxb6 {
[%mdl 4096] Endgame KRR-KRB} 28. c7 Rf8 29. Ra1 (29. Rd8 $142 Rb1+ 30. Kg2)
29... Rc8 30. Rxa5 Rxc7 31. Ra2 Kg7 32. Kg2 Rb4 33. Re2 Kf6 34. Be4 Ra7 35. Re3
(35. h4 $142) 35... Rb2 36. Rf3+ Kg7 37. h4 Rd7 38. Bc6 Rd8 39. Be4 e5 40. h5
$2 (40. g4 {was necessary.}) 40... gxh5 41. Rf5 Rf8 {What a bad dream for
White.  Weighted Error Value: White=0.42/Black=0.16} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.3"]
[White "Anton Guijarro, David"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2667"]
[BlackElo "2742"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,16,22,29,26,2,12,0,24,22,17,5,35,21,90,91,108,74,83,78,108,127,127,
125,129,55,41,41,55,42,116,114,190,169,198,46,123,119,122,114,174,164,163,156,
387,238,259,153,264,225,206,220,190,206,229,189]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5
4. cxd5 Nxd5 5. Bd2 Nb6 6. e3 {D85: Exchange Grünfeld: Unusual White 7th moves
and lines with 7 Nf3.} Bg7 {[#]} 7. h4 $146 ({Predecessor:} 7. f4 O-O 8. Nf3 c5
9. dxc5 N6d7 10. Ne4 Bxb2 11. Rb1 Bg7 12. Bc4 Na6 13. Bxa6 bxa6 {1/2-1/2 (29)
Riazantsev,A (2650)-Svidler,P (2765) St Petersburg 2017}) 7... h5 8. Nf3 {
The position is equal.} Bg4 9. Qb3 O-O 10. Ng5 {next Bd3 is good for White.} e5
11. d5 c6 (11... a5 $11 {keeps the balance.}) 12. f3 $16 Bc8 {[%cal Rc6d5]} 13.
dxc6 Nxc6 14. Nce4 Qe7 15. Bb5 Rd8 {[#]} 16. O-O $1 Bf5 17. Rfd1 (17. Rad1 $16)
17... Bxe4 $14 18. Nxe4 Qxh4 19. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Qe7 {
[#]} ({Black should try} 19... Bh6 $14) 20. a5 $1 $16 {[%cal Ra5b6]} Nd7 (20...
Nd5 $16 {was worth a try.}) 21. a6 $36 {[%mdl 2048] Keeping Black busy.} Rab8 {
White must now prevent ...bxa6.} 22. Qa2 $2 (22. Qc2 $18) 22... Nc5 (22... Nb6
$14) 23. Bxc6 $16 bxc6 24. Qa3 {Hoping for Bb4.} Bf8 (24... Rxd2 $16 {was
called for.} 25. Rxd2 Bf8) 25. Bb4 $18 Rxb4 26. Qxb4 Nd3 $2 {A mistake that
costs the game.} (26... Nxa6 $16 {is a better defense.} 27. Qxe7 Rxd1+ 28. Rxd1
Bxe7) 27. Qxe7 Bxe7 28. Rd2 (28. Kf1 $18) 28... f5 (28... Nb4 $16 29. Rc1 Rxd2
30. Nxd2 f6) 29. Nf2 Nb4 {White is clearly better.} 30. Rxd8+ Bxd8 31. Ra4 Nd5
32. Rc4 {Weighted Error Value: White=0.25/Black=0.37} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.4"]
[White "Firouzja, Alireza"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2703"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,0,-1,-13,-14,-16,-25,0,-25,-23,-13,-29,-28,-16,0,-22,0,0,0,0,0,0,0,
-21,0,0,0,0,-9,0,0,0,0,-10,-2,-61,-33,-38,6,-92,-68,-110,-110,-111,172,0,69,72,
238,234,221,223,689,700,825,614,5165,2453,29996,29997,29997,29998]} 1. d4 Nf6
2. Nf3 d5 3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3 {D04: Colle System.} axb4 7. cxb4
b6 $1 8. Bb5+ {Black has an edge.} Bd7 9. Bxd7+ Nbxd7 10. a4 bxc5 11. b5 Bd6
12. Bb2 O-O 13. O-O Qc7 14. Nbd2 c4 15. Bc3 {[#]} e5 $146 ({Predecessor:} 15...
Rfb8 16. Qc2 e5 17. h3 Rb7 18. Rfb1 Rab8 19. Rd1 {1/2-1/2 (19) Bredenhof,B 
(2181)-Petersons,I (2257) ICCF email 2012}) 16. a5 e4 17. b6 Qb8 18. Nd4 Bxh2+
19. Kh1 {Hoping for g3.} Be5 20. Nc6 Qd6 21. Nxe5 Nxe5 22. g3 (22. Bxe5 $11
Qxe5 23. Re1) 22... Nfg4 {( -> ...Qh6+)} 23. Kg2 $1 {Black must now prevent
Nxc4!} Qe6 24. Rb1 (24. Bxe5 $11 {keeps the balance.} Nxe5 25. Nb1) 24... Rfb8
$1 $17 ({And not} 24... Qh6 25. Rh1 $18) 25. Qe2 Nd3 $1 (25... Qh6 26. Rh1 $15)
26. Rb5 {Rxd5! would now be nice for White.} Ra6 $2 {[%mdl 8192] [#]} (26... f5
$1 $17 {Strongly threatening ...Qh6.} 27. Rbb1 Qe8) 27. Nb1 $2 ({Only move:} 
27. Rxd5 $1 $18 {[%mdl 512] Rd4 is the strong threat.} Nxe3+ (27... Qxd5 28.
Qxg4) 28. Qxe3 Qxd5 29. Qxe4 Qxe4+ 30. Nxe4) 27... h5 ({Better is} 27... Qd7
$11 28. Na3 Rd8) 28. Bd4 $1 $14 {[#]} h4 $1 {[%mdl 512]} 29. Rh1 $18 (29. gxh4
Qg6) 29... hxg3 ({Wrong is} 29... Ngxf2 $2 30. Rxh4 Qf5 31. Nc3 $18) 30. fxg3
Nh6 $2 (30... f5 31. Nc3 Rd8) 31. Nc3 Qd6 32. Rxd5 Qa3 {[#]} 33. Rxh6 $1 {
[%mdl 576] Remove Defender} gxh6 34. Qg4+ {[%mdl 64] Double Attack} Kf8 35.
Bg7+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.28/Black=0.65}
1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.5"]
[White "Aronian, Levon"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2778"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,106,49,39,-6,-8,-20,10,12,19,13,13,12,12,22,15,15,13,17,12,14,37,33,
75,76,100,98,102,84,93,80,93,99,150,150,179,174,204,127,122,111,145,122,117,
100,245,245,235,226,229,200,205,198,231,237,252,217,337,249,335,296,322,240,
377,336,489,426,526,518,571,558,550,527,550,532,992,992,992,992,991,990,984,
977,1608,1044,5085,928,918,908,1052,1595,1379,1166,2075,1868,29992,29993,29994]
} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e3 {
D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} Nc6 8. Qd3 $5 {
[%mdl 4] Exploring less charted territory.} Bc5 9. Be2 {The position is equal.}
d4 10. exd4 Nxd4 11. O-O O-O 12. Nxd4 Qxd4 13. Qg3 Ne4 14. Nxe4 Qxe4 15. Bf3
Qb4 16. Bf4 {[#]} Bf5 $146 ({Predecessor:} 16... Be6 17. a3 Qb3 18. Rac1 Bd4
19. Rc7 Qxb2 20. Rxb7 Qxa3 21. Bd6 Qa5 22. Bb4 Qf5 23. Bxf8 Rxf8 {1/2-1/2 (49)
Aronian,L (2802)-Kramnik,V (2800) Moscow 2011}) 17. a3 Qb6 18. Bc7 Qb5 19. b4
Be7 20. Rad1 {Strongly threatening Rd5.} Be6 21. Be5 {[%csl Ge5][%cal Rg3g7]}
g6 {[#]} ({Black should play} 21... f6 22. Bc3 Rf7) 22. Ba1 $1 $16 Rac8 {[#]}
23. Bxb7 $1 {[%mdl 512]} Rc4 ({Not} 23... Qxb7 $2 24. Qe5 $18) 24. Bf3 Qb8 25.
Bd4 $40 {[%mdl 128] White goes for the king.} a6 26. Qxb8 Rxb8 27. Be5 Rbc8 {
Loses the game.} (27... Rd8 $16) 28. Bb7 $18 {[%mdl 64] Double Attack} Re8 29.
Bxa6 Rc2 30. Rc1 Ra2 31. Ra1 Rc2 32. Bb7 Bc4 33. Rfe1 Bg5 (33... Bb5 $142 34.
g3 Bf8) 34. Bc6 Rc8 35. Be4 Rd2 36. h3 Re8 (36... Rd7 $142 37. f4 Be7) 37. Bc3
Rd6 (37... Re2 $142) 38. a4 Rc8 39. Bb7 Rcd8 40. b5 Rd3 41. Ba5 Rb8 42. Bc6 Bb3
43. Bc7 Rf8 44. a5 Bd2 45. a6 Bxe1 46. Rxe1 Rc3 47. a7 Ba4 48. Bb8 (48. Re8
$142 Rxe8 49. Bxe8 Rxc7 50. a8=Q Bxb5 51. Bxb5+ Kg7 52. Qe4) 48... Rxc6 49.
a8=Q {[%mdl 64] And now Qxc6 would win. Double Attack} Bxb5 50. Qb7 Ba4 51. Qb4
Ra6 52. Bf4 {White wants to mate with Bh6.} Bc6 53. Bh6 {[%csl Gh6][%cal Rb4f8]
} Rfa8 {Weighted Error Value: White=0.14/Black=0.34} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.6"]
[White "Duda, Jan-Krzysztof"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2774"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,104,33,33,31,29,-6,28,32,39,35,29,21,39,19,19,27,27,7,57,10,12,12,10,
11,41,10,9,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,-117,0,-117,-118,-417,-417,-417,0,0,0,0,0,-417,0,0,0,0,0,0,0,
0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5
7. e4 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} dxe4 8. Qxd8+
Kxd8 9. Ng5 {White has an edge.} Be6 10. Nxe6+ fxe6 11. Bg5 Nc6 12. O-O-O+ {
[%mdl 1024] White has compensation.} Ke8 13. Bb5 Rc8 {[#]} 14. Kb1 $146 ({
Predecessor:} 14. Rhe1 Bb4 15. Bxf6 gxf6 16. Rxe4 Bxc3 17. bxc3 Ke7 18. Ba4 e5
19. Rd3 h5 20. Rh4 {1/2-1/2 (39) Kaan,J (2194)-Galvin,J (2037) ICCF email 2015}
) 14... a6 15. Ba4 Be7 16. Bxf6 gxf6 17. Nxe4 Rg8 18. g3 (18. Bb3 $5 {[%cal
Rb3e6]} Kf7 19. Nd6+ (19. Rd7 Rcd8 $11) 19... Bxd6 20. Rxd6 $14) 18... f5 $1 {
[%cal Rf5e4]} 19. Bb3 Rg6 $1 ({Not} 19... fxe4 $2 20. Bxe6 Rf8 21. Bxc8 $18)
20. Nd6+ Bxd6 21. Rxd6 Ke7 22. Rhd1 Rd8 23. Rxd8 Nxd8 $11 {[%mdl 4096] Endgame
KRB-KRN} 24. Rc1 Kd7 25. Ba4+ b5 26. Bd1 Nc6 27. Bf3 Nd4 28. Bb7 e5 29. Rc5 Kd6
30. b4 a5 31. f4 exf4 32. Rd5+ Kc7 33. Rxd4 {aiming for Bd5.} fxg3 34. hxg3 {
And now Bd5 would win.} Kxb7 {KR-KR} 35. Rd5 Kc6 36. Rc5+ Kb6 37. a4 bxa4 38.
Rxa5 Rxg3 {Strongly threatening ...f4.} 39. Rxf5 Rh3 {Hoping for ...h5.} 40.
Ka2 (40. Kb2 $11 {remains equal.}) 40... h5 $17 41. Rg5 (41. Rc5 $1 $11 {
was the only way to keep the balance.}) 41... h4 42. Rg4 $2 {[%mdl 8192]} (42.
Rh5 $17) 42... Kb5 $19 43. Rf4 {[#]} Rh1 $2 (43... a3 $1 $19 44. Rd4 Ka4 45.
b5+ Kxb5) 44. Ka3 $1 $11 h3 45. Rh4 Kc6 {...h2 is the strong threat.} (45...
Rh2 {is interesting.} 46. Rh5+ Kc4 47. Rh4+ Kc3 48. b5 Rh1) 46. Rh5 $2 {
[%mdl 8192] [#]} (46. Rh6+ $11 {and White is okay.} Kb5 47. Rh5+ Kc6 48. Rh6+
Kd7 49. Kxa4) 46... Kb6 $2 (46... h2 $1 $19 {( -> ...Ra1+)} 47. Rh6+ Kd5) 47.
Kxa4 {The position is equal.} Ra1+ (47... h2 $5 48. Rh6+ $8 Ka7 $11) 48. Kb3
Rh1 49. Rh6+ Kb5 50. Rh5+ Kb6 51. Rh6+ Kb5 52. Rh5+ Kb6 {Weighted Error Value:
White=0.44/Black=0.34} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.7"]
[White "Ding, Liren"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2836"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,74,25,8,25,11,12,11,12,10,22,19,30,24,24,20,33,19,19,0,0,0,4,0,0,0,0,
0,0,-22,-40,-29,0,0,0,0,17,25,21,-72,45,19,25,33,38,0,0,-14,-13,-12,-8,-28,-3,
-5,-5,-5,0,-3,0,0,0,-5,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3
d6 6. O-O h6 {6...a6 is a critical line.} 7. Re1 O-O {C54: Giuoco Piano: 4 c3
Nf6, main lines with 5 d4 and 5 d3.} 8. Nbd2 a5 9. Nf1 Be6 10. Bb5 Ne7 (10...
Bb6 11. Ng3 Ne7 12. h3 Nd7 13. d4 f5 14. dxe5 Nxe5 15. Nd4 Bc8 16. exf5 Nxf5
17. Ngxf5 Bxf5 18. Be3 Bd7 19. f4 Bxd4 20. Bxd4 Bxb5 21. fxe5 Bc6 22. Qg4 dxe5
23. Rxe5 {1-0 (66) Ding,L (2791)-Nakamura,H (2736) chess.com INT 2020}) 11. d4
exd4 12. cxd4 Bb6 13. Ng3 d5 14. e5 Ne4 $1 15. Bd3 Nxg3 16. hxg3 Bg4 {[#]} 17.
Be3 $146 ({Predecessor:} 17. Bc2 c5 18. Be3 cxd4 19. Bxd4 Rc8 20. Rc1 Rc4 21.
Bxb6 Qxb6 22. b3 Rc7 23. Bb1 {1/2-1/2 (44) Carlsen,M (2863)-Nakamura,H (2736)
chess24.com INT 2020}) 17... a4 18. Rc1 Qd7 19. a3 Rfe8 20. Kh2 (20. Qc2 {
is interesting.} Bf5 21. Qd1 c6 22. Be2 Bg4 23. Bd3) 20... Nf5 21. Bb1 Nxe3 22.
Rxe3 Bf5 23. Ba2 c6 24. Nh4 Bh7 25. f4 {[#]} (25. Bb1 $11) 25... Ra5 ({Better
is} 25... g5 $1 $17 {[%cal Rg5h4]} 26. Nf3 gxf4 27. gxf4 Qg4) 26. Bb1 $14 Bxb1
27. Rxb1 Bd8 28. Nf3 (28. Qh5 {is more complex.} Rb5 29. Nf3 Rf8 30. Qh3 Qe6
31. b4) 28... Qg4 29. Ne1 (29. b4 {feels hotter.} axb3 30. Rexb3 b5 31. Qc2 Ra6
32. Rc3) 29... Qxd1 30. Rxd1 Rb5 31. Re2 Bb6 32. g4 {The position is equal.}
Rb3 33. Nd3 Rb5 ({Much weaker is} 33... Bxd4 34. Nc1 $16) 34. Nb4 Ba5 35. Nd3
Bb6 36. Nb4 Ba5 37. Nd3 Bb6 {Weighted Error Value: White=0.12/Black=0.09}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "2.8"]
[White "Giri, Anish"]
[Black "Karjakin, Sergey"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2731"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,19,20,20,20,0,10,13,21,15,25,29,25,10,12,9,12,9,19,0,16,0,0,0,0,0,
20,6,0,0,37,38,39,33,39,39,39,41,33,54,46,44,106,94,86,79,107,83,124,113,130,
115,142,149,143,140,139,123,235,227,238,231,236,226,263,274,270,270,270,279,
317,259,283,283,282,265,256,255]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5.
Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} b6 7. Qc2 {is the new
trend.} c5 8. Rd1 {The position is equal.} Bb7 9. cxd5 {[#]} Nxd5 $146 ({
Predecessor:} 9... exd5 10. g3 c4 11. Bg2 a6 12. Ng5 h6 13. h4 hxg5 14. hxg5 g6
15. gxf6 Bxf6 {1-0 (31) Basso,P (2603)-Heberla,B (2566) Forni di Sopra 2020})
10. dxc5 Qc8 11. Nxd5 Bxd5 12. e4 Bb7 13. Bd3 Qxc5 14. Qxc5 (14. Qe2 {looks
sharper.} Nc6 15. Bb5 a6 16. Bd3 Qa5+ 17. Bd2) 14... Bxc5 15. O-O Nd7 16. e5
Bd5 17. Bb5 Rad8 18. Bg5 f6 19. exf6 gxf6 20. Bh6 $36 {[%mdl 2048] Black is
under pressure.} Rf7 21. Nd4 Kh8 22. Ne2 Ne5 $1 23. Nf4 {aiming for Nxe6!} Nf3+
$1 24. Kh1 ({Not} 24. gxf3 $2 Rg8+ 25. Ng2 Bxf3 $19) 24... Nd4 25. Nxd5 exd5 {
White now steadily converts the win.} ({Black should play} 25... Rxd5 $14 26.
Bc4 Rd8) 26. Bd3 a5 27. Rfe1 a4 28. h3 Ra7 29. Bb1 Kg8 30. Re3 Nb3 31. Rg3+ Kh8
32. Rf3 Rf7 33. Ba2 f5 (33... Re7 $16) 34. Kg1 d4 35. Bxb3 axb3 36. Rxb3 Ra8
37. Rbd3 {White has a decisive advantage.} Rf6 38. Bc1 b5 39. b4 Bb6 40. Bb2
Kg7 41. Bxd4 Bxd4 42. Rxd4 Rxa3 43. Rd5 {Weighted Error Value: White=0.06/
Black=0.14} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.1"]
[White "Karjakin, Sergey"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B69"]
[WhiteElo "2709"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,35,39,19,28,9,53,40,43,0,41,31,37,37,30,35,69,22,21,0,0,-25,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O a6 9. f4 Bd7 10. Nf3
b5 11. Bxf6 gxf6 12. f5 Qb6 13. Kb1 O-O-O 14. fxe6 {B69: Sicilian:
Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} fxe6 15. g3 b4
16. Ne2 {White is slightly better.} e5 17. Nc1 {[#]} Be6 $146 ({Predecessor:} 
17... f5 18. exf5 Bxf5 19. Be2 d5 20. Nb3 Rhf8 21. h3 Rd6 22. g4 Be4 23. Rhf1
Rg6 {0-1 (43) Karlsson,B-Tulegren,O Sweden 1990}) 18. Qh6 Kb8 19. Bh3 Bf7 20.
Nh4 d5 21. Qg7 Rhf8 22. exd5 Bxd5 23. Bg2 Bxg2 24. Nxg2 {The position is equal.
} Qf2 25. Nh4 Rxd1 26. Rxd1 Rc8 {...Nd4 is the strong threat.} 27. Qxh7 Nd4 {
Hoping for ...f5.} 28. Nb3 Rxc2 29. Rxd4 (29. Qxe7 $2 {is a self mate.} Rxb2+
30. Ka1 Rxa2+ 31. Kb1 Qc2#) 29... Rxb2+ {[%mdl 64] Double Attack} 30. Kc1 exd4
31. Qg8+ $1 {[#]} Ka7 $1 {[%csl Gb2][%cal Rf2c2]} 32. Qc4 Bd6 (32... Kb7 $5 33.
Qd5+ $8 {[#]} Kc7 $1 {[%mdl 512]} 34. Qc4+ Kd6 35. Qc5+ Kd7 $1 {[%mdl 512]} 36.
Qd5+ Kc8 $1 {[%mdl 512]} 37. Qc4+ Kb8 38. Qg8+ Kb7 $1 {[%mdl 512]} 39. Qd5+ Kb8
$1 {[%mdl 512]} 40. Qg8+ $11) 33. Qc6 $1 Rxa2 {[%cal Rf2g1]} 34. Qd7+ Ka8 {
[%cal Rf2g1]} 35. Qc6+ Ka7 {[%cal Rf2g1]} 36. Qd7+ Ka8 {[%cal Rf2g1]} 37. Qc6+
Ka7 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.2"]
[White "Nakamura, Hikaru"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2829"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,0,0,0,-22,-18,-25,-14,-19,-18,-41,-31,-54,-58,-65,-58,-64,-55,-78,
-74,-72,-64,-98,-93,-100,-98,-110,-99,-148,-139,-166,-162,-162,-167,-167,-167,
-158,-93,-94,-94,-94,-102,-98,-60,-140,-137,-181,-181,-172,-86,-87,-79,-79,-91,
-139,-97,-100,-102,-127,-122,-121,-113,-180,-87,-112,-93,-81,0,-109,0,-87,0,
-95]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 Nc6
8. Be2 Be7 9. O-O O-O 10. Kh1 Re8 $5 {[%mdl 4] Leaves trodden paths. B92:
Sicilian Najdorf: 6 Be2.} 11. f5 b5 {[#]} 12. Bg5 $146 ({Predecessor:} 12. a3
Bb7 13. Bf3 Rc8 14. Be3 Nb8 15. Qd2 Nbd7 16. Rfe1 Nb6 17. Na5 Ba8 18. Rad1 {
0-1 (36) Beckett,P (1971)-Denham,C ICCF email 2015}) 12... Bb7 {Black has an
edge.} 13. Bxf6 Bxf6 14. Nd5 Nd4 $1 15. c4 Rc8 16. Nxd4 exd4 17. cxb5 axb5 18.
Bd3 Bxd5 19. exd5 b4 20. Qd2 Re3 21. Rae1 Qb6 22. Rc1 Rce8 23. Bc4 h5 24. Rcd1
h4 25. Rfe1 h3 26. gxh3 Qc5 {White must now prevent ...Rxe1+.} 27. b3 d3 (27...
Qc8 $142 28. Rxe3 Rxe3) 28. Rxe3 $17 Rxe3 29. Bxd3 Rxh3 30. Bf1 Rc3 {[%mdl
1024] Black has strong compensation.} 31. Bc4 ({White should try} 31. Bd3 $15)
31... Be5 32. Re1 Rh3 33. Re2 {[#]} Rh5 (33... Rf3 $1 $19 {[%cal Rf3f1] ( -> ..
.Rf1+)} 34. Re4 Qc8) 34. Qd3 Qc8 35. Rf2 Qd8 36. f6 Bxf6 37. Qf3 Rh4 38. Bd3
Qe8 39. Qf5 Be5 40. Qg5 {[#]} (40. Ba6 $17) 40... Rh6 (40... Rd4 $1 $19 {
[%cal Rd4d3] and Black stays clearly on top.} 41. Rf3 g6) 41. Rg2 {aiming for
Qxh6.} Bd4 {And now ...Qe1+ would win.} 42. Re2 {[%cal Re2e8]} Be5 43. Rg2 $1 {
Hoping for Qxh6.} Bd4 {Threatens to win with ...Qe1+.} 44. Re2 {[%cal Re2e8]}
Be5 45. Rg2 $1 {Weighted Error Value: White=0.12/Black=0.20} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.3"]
[White "Le, Quang Liem"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2744"]
[BlackElo "2836"]
[Annotator "RC"]
[PlyCount "64"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:
00:00]} 3. Nf3 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:00]} Ba6
{[%emt 0:00:00]} 5. b3 {[%emt 0:00:05]} Bb4+ {[%emt 0:00:00]} 6. Bd2 {[%emt 0:
00:02]} Be7 {[%emt 0:00:00]} 7. Bg2 {[%emt 0:00:01]} O-O {[%emt 0:00:01]} 8.
Nc3 {[%emt 0:00:09]} c6 {[%emt 0:00:20]} 9. e4 {[%emt 0:00:40]} d5 {[%emt 0:00:
03]} 10. exd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:02]} 11. Ne5 {[%emt 0:00:02]}
Bb7 {[%emt 0:00:07]} 12. O-O {[%emt 0:00:06]} Nc6 {[%emt 0:00:01]} 13. cxd5 {
[%emt 0:01:16]} Nxe5 {[%emt 0:01:41]} 14. d6 {[%emt 0:00:04]} Nc6 {[%emt 0:00:
27]} 15. dxe7 {[%emt 0:00:05]} Qxe7 {[%emt 0:00:01]} 16. Bg5 {[%emt 0:00:05]}
Rfd8 {[%emt 0:01:37]} 17. d5 {[%emt 0:00:53]} h6 {[%emt 0:02:52]} 18. Bxf6 {
[%emt 0:07:18]} Qxf6 {[%emt 0:01:02]} 19. dxc6 {[%emt 0:00:44]} Rxd1 {[%emt 0:
00:09]} 20. Rfxd1 {[%emt 0:00:00]} Bxc6 {[%emt 0:00:25]} 21. Bxc6 {[%emt 0:00:
00]} Rc8 {[%emt 0:00:01]} 22. Ne4 {[%emt 0:00:41]} Qe5 {[%emt 0:02:19]} 23.
Rac1 {[%emt 0:01:38]} Rxc6 {[%emt 0:00:13]} 24. Rxc6 {[%emt 0:00:00]} Qxe4 {
[%emt 0:00:01]} 25. Rc8+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:01]} 26. Rc7 {
[%emt 0:00:00]} Qe2 {[%emt 0:00:41]} 27. Rdd7 {[%emt 0:00:04]} Qe1+ {[%emt 0:
00:15]} 28. Kg2 {[%emt 0:00:03]} Qe4+ {[%emt 0:00:00]} 29. Kf1 {[%emt 0:00:37]}
Qb1+ {[%emt 0:00:24]} 30. Kg2 {[%emt 0:00:12]} Qe4+ {[%emt 0:00:02]} 31. Kf1 {
[%emt 0:00:08]} Qb1+ {[%emt 0:00:01]} 32. Kg2 {[%emt 0:00:01]} Qe4+ {[%emt 0:
00:01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2636"]
[BlackElo "2774"]
[Annotator "ChessBase"]
[PlyCount "157"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:
00:00]} 3. Nc3 {[%emt 0:00:35]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:01]}
Nxd5 {[%emt 0:00:00]} 5. e4 {[%emt 0:00:03]} Nxc3 {[%emt 0:00:00]} 6. bxc3 {
[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 7. Be3 {[%emt 0:00:04]} c5 {[%emt 0:00:00]
} 8. Nf3 {[%emt 0:00:01]} Qa5 {[%emt 0:00:05]} 9. Qd2 {[%emt 0:00:01]} O-O {
[%emt 0:00:02]} 10. Rc1 {[%emt 0:00:07]} Rd8 {[%emt 0:00:06]} 11. h4 {[%emt 0:
00:05]} cxd4 {[%emt 0:00:03]} 12. cxd4 {[%emt 0:00:01]} Qxd2+ {[%emt 0:00:00]}
13. Bxd2 {[%emt 0:00:01]} Nd7 {[%emt 0:00:02]} 14. Be3 {[%emt 0:00:50]} Nb6 {
[%emt 0:00:06]} 15. Bb5 {[%emt 0:01:03]} f5 {[%emt 0:01:34]} 16. Bd3 {[%emt 0:
01:10]} Be6 {[%emt 0:02:29]} 17. h5 {[%emt 0:03:24]} Rac8 {[%emt 0:02:02]} 18.
Rxc8 {[%emt 0:00:10]} Rxc8 {[%emt 0:00:00]} 19. h6 {[%emt 0:01:32]} fxe4 {
[%emt 0:00:44]} 20. Bxe4 {[%emt 0:00:06]} Bf6 {[%emt 0:00:02]} 21. Bxb7 {
[%emt 0:00:37]} Rc7 {[%emt 0:00:49]} 22. Ba6 {[%emt 0:01:33]} Bxa2 {[%emt 0:00:
22]} 23. O-O {[%emt 0:00:38]} Nd5 {[%emt 0:02:09]} 24. Bd2 {[%emt 0:00:04]} Bc4
{[%emt 0:00:16]} 25. Ra1 {[%emt 0:00:04]} Bxa6 {[%emt 0:00:33]} 26. Rxa6 {
[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 27. Kf1 {[%emt 0:00:32]} Rb7 {[%emt 0:00:
03]} 28. Ke2 {[%emt 0:00:29]} Nc7 {[%emt 0:00:06]} 29. Ra5 {[%emt 0:00:14]} Nb5
{[%emt 0:00:40]} 30. Be3 {[%emt 0:00:18]} Rb6 {[%emt 0:02:35]} 31. d5 {[%emt 0:
00:44]} Nc3+ {[%emt 0:01:12]} 32. Kd3 {[%emt 0:00:03]} Rb5 {[%emt 0:00:03]} 33.
Rxa7 {[%emt 0:00:38]} Rxd5+ {[%emt 0:00:27]} 34. Kc4 {[%emt 0:00:05]} Rd8 {
[%emt 0:00:55]} 35. Ng5+ {[%emt 0:01:44]} Bxg5 {[%emt 0:00:03]} 36. Bxg5 {
[%emt 0:00:00]} Nd5 {[%emt 0:00:07]} 37. Kd4 {[%emt 0:01:31]} Ke6 {[%emt 0:00:
13]} 38. Ke4 {[%emt 0:00:31]} Rb8 {[%emt 0:00:47]} 39. Ra6+ {[%emt 0:00:12]}
Kf7 {[%emt 0:00:07]} 40. f4 {[%emt 0:00:27]} Nc3+ {[%emt 0:00:17]} 41. Kd3 {
[%emt 0:00:10]} Nb5 {[%emt 0:00:09]} 42. g4 {[%emt 0:00:21]} Nd6 {[%emt 0:01:
18]} 43. Ra7 {[%emt 0:00:06]} Rb3+ {[%emt 0:00:01]} 44. Ke2 {[%emt 0:00:26]}
Rb7 {[%emt 0:00:01]} 45. Rxb7 {[%emt 0:00:24]} Nxb7 {[%emt 0:00:00]} 46. Ke3 {
[%emt 0:00:24]} Nd6 {[%emt 0:00:19]} 47. Kf3 {[%emt 0:00:48]} Ke6 {[%emt 0:00:
06]} 48. Bh4 {[%emt 0:00:05]} Kd7 {[%emt 0:00:49]} 49. Be1 {[%emt 0:00:22]} Nf7
{[%emt 0:00:03]} 50. g5 {[%emt 0:00:17]} Ke6 {[%emt 0:00:09]} 51. Bb4 {[%emt 0:
00:02]} Nd6 {[%emt 0:00:08]} 52. Ba3 {[%emt 0:00:13]} Nf5 {[%emt 0:00:31]} 53.
Ke4 {[%emt 0:00:05]} Kd7 {[%emt 0:00:42]} 54. Ke5 {[%emt 0:00:07]} Ng3 {
[%emt 0:00:09]} 55. Bb4 {[%emt 0:00:05]} Ke8 {[%emt 0:00:17]} 56. Ke6 {[%emt 0:
00:12]} Ne2 {[%emt 0:00:10]} 57. Ke5 {[%emt 0:00:06]} Ng3 {[%emt 0:00:11]} 58.
Ke6 {[%emt 0:00:04]} Ne2 {[%emt 0:00:03]} 59. Ke5 {[%emt 0:00:03]} Kf7 {
[%emt 0:00:05]} 60. f5 {[%emt 0:00:36]} gxf5 {[%emt 0:00:00]} 61. Kxf5 {
[%emt 0:00:01]} Nd4+ {[%emt 0:00:03]} 62. Ke4 {[%emt 0:00:03]} Ne6 {[%emt 0:00:
21]} 63. Kf5 {[%emt 0:00:07]} Nf8 {[%emt 0:00:02]} 64. Ke5 {[%emt 0:00:24]}
Nd7+ {[%emt 0:00:20]} 65. Kf4 {[%emt 0:00:23]} e6 {[%emt 0:00:05]} 66. Ke4 {
[%emt 0:00:06]} Kg6 {[%emt 0:00:01]} 67. Be7 {[%emt 0:00:00]} Kf7 {[%emt 0:00:
21]} 68. Bd8 {[%emt 0:00:01]} Nb8 {[%emt 0:00:02]} 69. Bc7 {[%emt 0:00:12]} Nc6
{[%emt 0:00:02]} 70. Bf4 {[%emt 0:00:03]} Kg6 {[%emt 0:00:06]} 71. Bc1 {
[%emt 0:00:02]} Ne7 {[%emt 0:00:14]} 72. Ke5 {[%emt 0:00:03]} Kf7 {[%emt 0:00:
01]} 73. Bd2 {[%emt 0:00:06]} Nc6+ {[%emt 0:00:02]} 74. Ke4 {[%emt 0:00:05]}
Nb8 {[%emt 0:00:09]} 75. Ke5 {[%emt 0:00:04]} Nd7+ {[%emt 0:00:02]} 76. Kd6 {
[%emt 0:00:03]} Nf8 {[%emt 0:00:01]} 77. Bc1 {[%emt 0:00:13]} Ng6 {[%emt 0:00:
02]} 78. Bd2 {[%emt 0:00:04]} Nh4 {[%emt 0:00:59]} 79. Bc1 {[%emt 0:00:04]}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.5"]
[White "So, Wesley"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2741"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,13,18,19,-12,-3,-9,-12,-20,0,0,-1,-8,0,-11,35,-7,0,-4,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,60,50,31,49,108,111,260,257,268,250,248,
253,341,327,428,406,391,408,482,412,441,403,450,416,539,516,547,531,806,798,
1610,1456]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7.
Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 (10. Bg5 h6 11. Bf4 Bd6 12. Nc3 Nbd7 13.
Bd2 Ne4 14. Rfd1 Nb6 15. Qd3 Nxc3 16. bxc3 Bxa4 17. Rdc1 c5 18. c4 Bc6 19. e4
Re8 20. Ba5 {1/2-1/2 (31) So,W (2770)-Aronian,L (2773) chess24.com INT 2020})
10... Bd6 {E05: Open Catalan: 5 Nf3 Be7.} 11. Nc3 Bxf4 12. gxf4 a5 {The
position is equal.} 13. e3 Nbd7 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Kh1 Ra6
15. Rg1 Rb6 16. Qe2 Ne4 17. Qc2 f5 18. Nxe4 Bxe4 19. Qc3 Bxf3 20. Bxf3 {
1/2-1/2 (56) Aronian,L (2767)-So,W (2780) Saint Louis 2018}) 14... Ra6 15. Rfd1
Qe7 16. Qc2 g6 17. Rac1 Bxf3 18. Bxf3 c6 19. b3 Rb6 20. Nb1 Nd5 21. Nd2 Nb4 22.
Qb1 Qh4 23. Be2 Nf6 24. Nf3 Qh3 25. Ng5 Qh4 26. Nf3 Qh3 27. Ne5 Rd8 28. Rc5
Nbd5 {And now ...Nxe3! would win.} 29. Bf1 Qh4 30. h3 Nd7 (30... Ra8 $11) 31.
Nxd7 $14 (31. Rxa5 Nc3 $15) 31... Rxd7 32. Qc2 (32. Rxa5 Nc3 $17) 32... Qd8 ({
Black should play} 32... Nb4 $14 33. Qd2 Rd8) 33. Rxa5 $16 Ra6 {A mistake that
costs the game.} (33... Qh4 $16) 34. Rxa6 $18 ({Less strong is} 34. Bxa6 Qxa5
35. Bc4 Qb4 $14) 34... bxa6 35. Bxa6 ({Resist} 35. Qxc6 $6 a5 $18) 35... Nb4 {
[#]} 36. Qe2 $1 c5 37. Bb5 Rd6 38. Qe1 Nd5 39. Be2 ({Don't go for} 39. dxc5 $2
{[#]} Nxf4 $1 {[%mdl 512]} 40. Be2 Nxe2+ 41. Kh2 Rxd1 $19) 39... Qb6 40. dxc5
Qxc5 41. Bc4 Rc6 42. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Nf6 43. a6 {
White is clearly winning.} Rc8 44. Qd2 Qh5 45. a7 Ra8 {[#]} 46. Qd8+ $1 {
[%mdl 576] Promotion.  Weighted Error Value: White=0.07/Black=0.27} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.6"]
[White "Svidler, Peter"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2742"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,15,14,11,31,12,12,12,14,12,12,0,0,0,1,6,0,-112,-113,-127,-120,-141,
-141,-142,-142,-142,-143,-131,-139,-124,-139,-167,-163,-184,-183,-191,-191,
-231,-224,-233,-233,-233,-233,-233,-234,-234,-234,-264,-258,-254,-236,-244,
-116,-123,-117,-137,-137,-124,-114,-147,-147,-145,-145,-172,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nf6 5. d4
Bf5 6. Bb5+ {B10: Caro-Kann: 2 d3 and 2 c4.} Nbd7 7. O-O a6 8. Bd3 Bxd3 {[#]}
9. Nxd3 $146 ({Predecessor:} 9. Qxd3 e6 10. Nc3 Bd6 11. Qg3 Qe7 12. Bg5 h6 13.
Qh3 O-O-O 14. Bf4 g5 15. Nxd7 Bxf4 {0-1 (27) Efremova,D (1938)-Belenkaya,D 
(2181) St Petersburg 2011}) 9... e6 10. Bg5 Bd6 11. Nd2 Qc7 12. g3 O-O 13. Qe2
(13. a3 $11 {remains equal.}) 13... Qxc2 $17 14. Rfc1 Qa4 15. Bxf6 Nxf6 16. Nf3
Rac8 17. a3 Ne4 18. Kg2 h6 19. Qe3 Qb3 20. Nd2 Nxd2 21. Qxd2 Rc4 22. Nc5 {[#]}
Qb5 $1 23. b4 b6 24. a4 Qxb4 25. Qxb4 Rxb4 26. Nxa6 Rxd4 27. Rc6 Be5 28. Ra2
Ra8 29. Rxb6 Rc4 30. a5 g5 (30... Bd4 $19 {is more deadly. Hoping for ...Kh7.}
31. Rb8+ Rxb8 32. Nxb8 Kf8) 31. Nb4 Bd4 32. Rb5 Kg7 33. a6 Ra7 34. Nd3 Rc3 35.
Nb4 Rb3 36. Ra4 {intending Rb7.} Bf6 $2 ({Black should play} 36... Rb2 $19 37.
Rb7 Rxf2+ 38. Kh1 Rf1+ 39. Kg2 Rf2+ 40. Kh1 g4) 37. Rb7 $11 {The position is
equal.} Ra8 {[#]} 38. Nxd5 $1 {[%mdl 512]} Rxa6 $1 (38... exd5 39. Rxb3) 39.
Nxf6 Rxb7 {[%mdl 4096] Endgame KRR-KRN} (39... Rxa4 {keeps more tension.} 40.
Ne8+ Kf8 41. Rxb3 Kxe8 42. Rb8+ Ke7) 40. Ne8+ Kf8 41. Rxa6 {Nd6 is the strong
threat.} Kxe8 {KR-KR} 42. Ra8+ Ke7 43. Rh8 Kf6 44. Rxh6+ Kg7 45. Rh5 f6 (45...
Kg6 $5 {[%cal Rg6h5]} 46. Rh8 Kf5 $11) 46. h4 $1 gxh4 47. Rxh4 {Whites escaped
into a draw.  Weighted Error Value: White=0.11/Black=0.08} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.7"]
[White "Nepomniachtchi, Ian"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2778"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,0,-1,-9,-20,-9,-7,-16,0,-6,-18,-37,-41,-33,-17,-27,-14,-6,-6,-66,
-71,-119,-117,-115,-129,-188,-150,-145,-157,-161,-156,-298,-286,-280,-281,-416,
-410,-426,-413,-423,-413,-381,-390,-385,-376,-437,-413,-488,-492,-521,-531,
-489,-498,-499,-499,-1080,-1115]} 1. b3 d5 2. Bb2 Bf5 3. d3 e6 4. Nd2 Nf6 5. g3
{[#]} a5 $146 {[%cal Ba7a5,Ba5a4][%mdl 32]} ({Predecessor:} 5... h6 6. Bg2 Bh7
7. Nh3 c5 8. O-O Nc6 9. e4 Be7 10. exd5 exd5 11. Nf4 O-O {1/2-1/2 (47)
Nepomniachtchi,I (2784)-Aronian,L (2781) Chess.com INT 2020}) 6. a3 {A01:
Nimzowitsch-Larsen Opening.} a4 7. b4 c5 8. c3 {The position is equal.} Be7 9.
Bg2 O-O 10. e4 Bg6 11. Nh3 dxe4 12. dxe4 b5 13. Nf4 Nc6 {[%cal Bb8c6,Bc6e5,
Be5g4][%mdl 32]} 14. h4 (14. Qe2 $11) 14... Ne5 $15 15. Qe2 {[#]} Nh5 $1 {
[%mdl 512]} 16. Bf1 (16. Nxh5 Nd3+) 16... c4 {Strongly threatening ...Nxf4.}
17. Qe3 (17. Nxh5 $17 {keeps fighting.} Nd3+ {[%mdl 64] Double Attack} 18. Kd1
Bxh5 19. Qxh5 Nxf2+ 20. Kc2 Nxh1 21. Qf3) 17... Nxf4 18. gxf4 Ng4 19. Qg3 Nf6
20. Bg2 (20. O-O-O $17) 20... Qc7 21. e5 {[#]} Nh5 $1 {[%cal Rh5g3]} 22. Qg4 (
22. Qh2 $142 Rad8 23. Nf3) 22... Rad8 $19 23. O-O-O f5 24. Qf3 Rd3 25. Qc6 Qxc6
26. Bxc6 Be8 27. Bb7 Nxf4 28. Kc2 Bh5 {Black is clearly winning.} 29. Bc6 Bxd1+
30. Rxd1 Rb8 31. Nf3 Rb6 32. Bd7 (32. Ba8 $142 Rxd1 33. Kxd1) 32... Rxf3 {
Weighted Error Value: White=0.36/Black=0.03} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "3.8"]
[White "Carlsen, Magnus"]
[Black "Radjabov, Teimour"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2881"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,55,12,18,20,15,15,14,18,12,18,18,29,14,19,0,0,0,8,0,0,0,0,0,0,0,2,0,
0,0,0,0,0,-15,-27,-9,135,143,128,121,158,158,157,152,152,139,139,121]} 1. d4
Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Nc6 {Threatens to win with
...d4. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 7. Bg5 Qa5 {
Hoping for ...d4.} 8. Bxf6 dxc4 {The position is equal.} 9. Qxc4 gxf6 10. Rc1
Qxc5 11. Qf4 Ke7 12. g3 Bxc3+ 13. bxc3 Bd7 14. Bg2 Rac8 15. O-O b6 16. Rfd1 Ne5
{[#]} 17. Nd4 $146 ({Predecessor:} 17. Rd4 Bc6 18. Nxe5 Qxe5 19. Bxc6 Rxc6 20.
Rcd1 Qxf4 21. Rd7+ Kf8 22. gxf4 a5 23. R1d3 {1-0 (38) Sjugirov,S (2665)
-Petrosyan,M (2613) Moscow 2019}) 17... Nc4 18. h4 Qc7 {...Qxf4 is the strong
threat.} 19. Qh6 Rcg8 {And now ...e5 would win.} 20. Rb1 Rg6 21. Qh5 Rhg8 22.
Nb5 Qe5 (22... Bxb5 $11 {keeps the balance.} 23. Qxb5 f5) 23. Qxe5 $16 fxe5 24.
Nxa7 Ne3 {[#]} 25. Rd2 $1 {White is clearly better.} ({Wrong is} 25. fxe3 $2
Rxg3 26. Kh1 Rxg2 $19) 25... Nc4 {[#]} 26. Rd3 $1 Rg4 27. Rb4 {Black must now
prevent Bf3.} Na5 28. Rxb6 {Weighted Error Value: White=0.02/Black=0.13} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Radjabov, Teimour"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2860"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,113,25,27,50,44,31,0,29,0,23,22,35,0,8,8,4,0,0,0,0,0,0,0,11,12,13,0,
8,0,33,0,23,25,48,22,65,57,63,65,69,53,75,34,53,22,27,15,14,0,0,0,0,-44,-42,
-35,-37,-87,-93,-122,-100,-102,-107,-189,-191,-191,-186,-165,-99,-111,-12,-16,
-8,-8,-16,-56,-54,-52,-63,-64,-58,-67,-54,-54,-47,-62,-62,-71,-71,-79,-79,-218,
-218,-337,-335,-493,-475,-493,-483,-456]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O
Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. d4 cxd4 9. Nxd4 Bd7 {B30: Sicilian: 2.
..Nc6 3 Bb5, lines without ...g6.} 10. Nf5 {Qxd5 is the strong threat.} Qa5 {
[#]} 11. Nd2 $146 {Hoping for Nc4.} ({Predecessor:} 11. Bd2 Qc5 12. Ne3 Be7 13.
Nc3 Nxc3 14. Bxc3 e5 15. Nd5 O-O 16. Bxe5 Bh4 17. g3 Nxe5 18. Rxe5 {1-0 (29)
Artemiev,V (2659)-Kholopov,A (2334) Moscow 2015}) 11... Nf6 {The position is
equal.} 12. Bd3 Ne5 (12... O-O-O $5 {[%cal Re6f5]} 13. Nc4 Qc7 $11) 13. Nb3 Qd5
14. Ne3 Qd6 15. Bf1 Qc7 16. Bd2 Bd6 17. Bc3 O-O 18. Qd4 Nc6 19. Qh4 Be5 20.
Bxe5 Nxe5 21. Rad1 Rac8 22. c3 Ng6 (22... Bc6 {with more complications.} 23.
Nd4 Be4 24. Qg3 Rfd8 25. Nec2 h6) 23. Qg3 Qxg3 24. hxg3 Rc7 25. Rd4 e5 26. Rc4
Rfc8 27. Rxc7 Rxc7 28. Nc4 Ng4 29. Rd1 Kf8 30. Be2 Nf6 31. Nb6 Ke7 32. Na5 Be6
33. Bc4 Nf8 34. a4 N8d7 35. Bxe6 Kxe6 36. Nbc4 Nd5 37. Nd2 Nc5 38. Ra1 Nb6 39.
b3 {[#]} (39. Ra3 $17) 39... Nd5 $1 $19 40. b4 Nd3 41. b5 axb5 ({But not} 41...
Rxc3 42. Nxb7 axb5 43. axb5 $17) (41... Nxc3 $19 42. bxa6 bxa6) 42. axb5 $17 b6
({Black should play} 42... Nxc3 $17 43. b6 Rd7) 43. c4 $1 $11 {[%cal Rc4d5]}
bxa5 44. cxd5+ Kxd5 {Strongly threatening ...Rc1+.} 45. Rxa5 {[%mdl 4096]
Endgame KRN-KRN} Rc1+ 46. Nf1 $1 Rb1 47. Ra7 Ke6 ({Weaker is} 47... Rxb5 48.
Rd7+ Kc4 49. Nd2+ Kc3 50. Ne4+ Kc2 51. Rc7+ Kb2 52. Rxf7 $18) 48. Ra6+ Kf5 49.
g4+ Kg5 50. Ra7 Kg6 $1 51. Rb7 Nc5 52. Rb6+ f6 {Threatens to win with ...Ne4.}
53. f3 {[#] Loses the game.} (53. Rd6 $17) 53... e4 $1 $19 {[%cal Re4e3]
aiming for ...e3.} 54. Kf2 (54. Rb8 {was called for.}) 54... Nd3+ 55. Ke2 (55.
Ke3 $142 Rxf1 56. Kxe4) 55... Re1+ 56. Kd2 Rxf1 57. fxe4 {Weighted Error Value:
White=0.22/Black=0.12} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.2"]
[White "Anton Guijarro, David"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2667"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,52,10,0,0,-3,-10,-10,-10,-10,-4,-2,-14,-27,-20,-19,-9,-78,-45,-89,
-90,-262,-253,-245,-273,-250,-258,-570,-554,-540,-508,-520,-520]} 1. d4 d5 2.
c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. Qc2 b6 9. e4
Nxe4 10. Nxe4 dxe4 11. Qxe4 Bb7 12. Rd1 Qc7 {D45: Semi-Slav: 5 e3.} 13. c5 bxc5
14. dxc5 {[#]} Nxc5 $5 $146 {[%mdl 8] The position is equal. An interesting
novelty.} ({Predecessor:} 14... Bxc5 15. Bf4 Nf6 16. Qxh7+ Kxh7 17. Bxc7 Kg8
18. Nd2 Bb6 19. Be5 Rfd8 20. Bf3 Ba6 {1/2-1/2 (70) Leko,P (2705)-Artemiev,V 
(2676) Moscow 2015}) 15. Qc2 {Threatening Be3.} Rad8 16. Bg5 Be7 17. Rxd8 Rxd8
18. Rc1 {[#] Bxe7 is the strong threat.} Rd5 19. Be3 (19. b4 $11 {remains
equal.} Rxg5 20. Nxg5 Bxg5 21. Qxc5 Bxc1 22. Qxc1) 19... Nd7 20. Nd4 {[%cal
Rd4c6]} Bc5 $36 {[%mdl 2048] Black is in control.} 21. Nb5 $2 {White does not
recover from this.} (21. Qc3 $17 {was worth a try.}) 21... cxb5 $19 22. b4 {[#]
} Qc6 $1 {( -> ...Rd1+!)} 23. Bf3 Bxe3 ({Inferior is} 23... Bxb4 24. Qxc6 Bxc6
25. Rxc6 $11) 24. fxe3 $2 (24. Qxc6 Bxc6 25. Rxc6 Bxf2+ 26. Kxf2 Rd2+ 27. Ke3
Rxa2 28. Rc8+ Nf8 29. Kd4) 24... Qb6 {Black is clearly winning.} 25. Bxd5 Qxe3+
(25... exd5 $2 26. Qc7 $19) 26. Kh1 Bxd5 {Weighted Error Value: White=0.61/
Black=0.03} (26... exd5 $2 27. Qc7 $19) 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.3"]
[White "Firouzja, Alireza"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2703"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,122,0,0,0,0,0,20,10,18,22,15,22,33,27,98,74,93,4,4,4,8,6,7,7,99,100,
102,95,254,255,718,718,710,711,669,676,700,682,1322,1025,5497,5497,5497,5489,
6287,6287,912,533,416,99,478,96,100,9,6,8,8,0,0,0,0,0,0,0,0,0,0,0,0,-19,-15,
-13,0,0,0,0,0,-33,-28,-28,-23,-41,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,
-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. h3 O-O 5. Nc3 d5 6. cxd5
Nxd5 7. e4 Nxc3 8. bxc3 c5 9. Be2 b6 10. Be3 {D85: Exchange Grünfeld: Unusual
White 7th moves and lines with 7 Nf3.} Bb7 11. Qd3 Qd7 12. O-O Ba6 13. Qd2 Qa4
{[#]} 14. Rac1 $146 ({Predecessor:} 14. Bxa6 Nxa6 15. Bh6 cxd4 16. Bxg7 Kxg7
17. cxd4 Rac8 18. h4 Nb4 19. h5 Rfd8 20. Rad1 Qa5 21. h6+ Kg8 22. d5 e6 23. Qd4
e5 24. Qxe5 f6 25. Qe6+ {1-0 (25) Shipov,S (2593)-Harikrishna,P (2599)
playchess.com INT 2004}) 14... Rd8 15. Bg5 cxd4 (15... Nc6 $11 {keeps the
balance.}) 16. cxd4 $16 Bxd4 17. Bxa6 ({White should try} 17. Nxd4 $16 {
Black must now prevent Rfd1.} Rxd4 {[%mdl 64] Double Attack} 18. Qb2) 17...
Nxa6 $11 18. Bxe7 Rd7 19. Nxd4 Rxe7 20. Nf5 Rd7 (20... gxf5 $2 21. Qg5+ Kf8 22.
exf5 $18) (20... Rxe4 $11 {remains equal.} 21. Nh6+ Kg7) 21. Nh6+ $16 Kg7 22.
Qf4 {And now Ng4 would win.} f5 $2 (22... Nc7 $16) 23. Qg5 $1 $18 ({Weaker is} 
23. Nxf5+ gxf5 24. Qe5+ (24. Qxf5 Re8 $17) 24... Kg8 $11) 23... fxe4 $2 (23...
Nc5) 24. Ng4 $1 Kh8 25. Qf6+ $1 Rg7 26. Rc6 $1 Qa3 {[#]} 27. Rd6 $1 {[%cal
Rd6d8]} h5 28. Ne5 {Threatening mate with Rd7.} Kg8 29. Nxg6 Re8 30. Rfd1 {
White wants to mate with Rd8.} e3 31. Rd8 exf2+ 32. Qxf2 Nc7 33. R8d7 $2 (33.
Qf6 $18 {and the rest is easy. Intending R1d7 and mate.} Qe3+ 34. Kh2) 33...
Ne6 $2 {[%mdl 8192]} (33... Qc5 $16 {is more resistant.} 34. Qxc5 bxc5) 34.
Rxg7+ $2 (34. Kh2 $18 {and White stays clearly on top.} Qc3 35. R1d3 Qxd3 36.
Rxd3 Rxg6 {[#]} 37. Qf5 $1 {[%mdl 512]}) 34... Nxg7 $16 35. Nf4 (35. Rd7 $16 {
White threatens Qf7+ and mate.} Qe3 36. Qxe3 (36. Rxa7 Nf5 $16) 36... Rxe3 37.
Rxa7) 35... Rf8 $132 {[%mdl 2048] Black is fighting back} 36. Qd2 Qc5+ 37. Kh1
Qg5 38. Qd5+ Qxd5 39. Nxd5 {[%mdl 4096] Endgame KRN-KRN} Rf2 40. a4 Ra2 41. Rd4
Kf7 42. Re4 Nf5 {Hoping for ...Ng3+.} 43. Kh2 h4 44. Nc3 Ra1 45. Ne2 Kf6 46.
Ng1 a5 47. Rf4 Rb1 48. Nf3 Rb4 49. Rg4 Rxg4 50. hxg4 $15 {KN-KN. The position
is equal.} Nd6 51. Kh3 b5 52. axb5 Nxb5 53. g5+ Kg6 {aiming for ...a4.} 54.
Kxh4 a4 {Strongly threatening ...a3.} 55. Ne5+ Kg7 {...a3 is the strong threat.
} 56. Nc4 a3 {[#]} 57. Nxa3 $1 {[%mdl 512]} Nxa3 58. g6 Nb5 59. g4 Nd6 60. g5
Kxg6 61. Kg3 Kxg5 {White really could win this.  Weighted Error Value: White=0.
40/Black=0.33} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.4"]
[White "Aronian, Levon"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2778"]
[BlackElo "2742"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,18,18,0,0,0,0,-7,6,0,12,-18,-11,0,-7,0,-9,-25,-23,-35,-35,-37,-37,
-37,-37,-37,-27,-32,-28,-25,-23,-31,-25,-56,-35,-44,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,-8,8,8,8,8,8,8,8,8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6
5. Qe3 g6 6. Bc4 {B53: Sicilian: 2...d6: Lines with Qxd4.} Bg7 7. h3 Nf6 8. Nc3
O-O 9. O-O Na5 $5 {[%mdl 4] [#] An interesting side line.} 10. Bb3 $146 ({
Predecessor:} 10. Be2 Qc7 11. Rd1 Nc4 12. Qd3 Be6 13. b3 Na5 14. Bd2 a6 15.
Rac1 Nc6 16. Nd5 {1-0 (50) Zubov,A (2607)-Idani,P (2581) Abu Dhabi 2019}) 10...
b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 11. Rd1 Nxb3 12. axb3 Qc7 13. Qf4 Bb7
14. Qh4 b5 15. Bg5 b4 16. Nb5 Qxc2 {[%mdl 64] [#] Double Attack} 17. Nxd6 $1
exd6 18. Bxf6 Qxe4 19. Qxe4 Bxe4 20. Bxg7 Kxg7 21. Ne1 a5 22. Rxd6 Rfd8 23.
Rxd8 {The position is equal.} Rxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 24. f3 Bf5
{Strongly threatening ...Rd2.} 25. Rxa5 Rd2 26. Rb5 Rxb2 (26... Re2 $5 27. Kf1
$8 Rxb2 $11) 27. Rxb4 Be6 28. Nd3 Rxb3 29. Rxb3 Bxb3 {KB-KN} 30. h4 h6 (30...
Bc4 $5 {[%cal Rc4d3]} 31. Nc5 Bb5 $11) 31. Kf2 g5 32. hxg5 hxg5 33. f4 Bd5 34.
fxg5 Bxg2 35. Kxg2 {[#] White threatens Nf4 and mate.} Kg6 36. Ne5+ Kxg5 37.
Nxf7+ {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.5"]
[White "Duda, Jan-Krzysztof"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2774"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,9,9,2,3,6,4,13,11,8,6,10,12,10,19,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,-71,-68,-95,-42,-79,-88,-79,-68,-79,-56,-46,-54,-133,-59,-176,-183,
-185,-135,-128,-127,-127,-133,-312,-313,-293,-294,-310,-297,-366,-357,-336,
-227,-389,-332,-340,-340,-327,-295,-380,-233,-240,-232,-247,-235,-216,-168,
-244,-266,-814,-808,-808,-809,-729,0,-237,0,-712,-680,-29975,-29976,-29971,
-29971,-29971,-29972,-5803,-5862,-29984,-29985,-29993,-29994]} 1. d4 Nf6 2. c4
e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 Nh5 8. Bd3 {D37: Queen's
Gambit Declined: 5 Bf4.} Nxf4 9. exf4 b6 10. b4 {The position is equal.} a5 11.
a3 c6 12. O-O Ba6 {is now debated instead of 12...Qc7.} 13. g3 Bf6 14. Qe2 Bxd3
15. Qxd3 Ra7 {[%cal Ba8a7,Ba7b7,Bb7b5][%mdl 32] [#]} 16. Ra2 $146 ({
Predecessor:} 16. Na4 axb4 17. axb4 Qa8 18. Nxb6 Nxb6 19. Rxa7 Qxa7 20. cxb6
Qxb6 21. Rc1 g6 22. Qc3 {1/2-1/2 (42) Sjugirov,S (2662)-Radjabov,T (2758)
Khanty-Mansiysk 2019}) 16... Qa8 {Threatens to win with ...axb4.} 17. Rfa1 Rb8
18. Qc2 Rab7 19. Kg2 bxc5 20. bxc5 Qa6 21. Na4 Rb5 22. Re1 Qb7 23. f5 Nf8 24.
g4 (24. Nb6 $11) 24... Qc7 $17 25. h3 h6 ({Black should try} 25... Rb3 $17 {
...Rxf3! is the strong threat.} 26. Re3 Rxe3 27. fxe3 exf5 28. gxf5 Re8) 26.
Nc3 R5b7 27. Re3 exf5 28. gxf5 Bg5 29. Nxg5 hxg5 30. Qd1 ({Better is} 30. Rg3
$15) 30... Qf4 (30... g6 $1 $17 31. Rg3 Qf4) 31. Qg4 {[#]} ({White should play
} 31. Rf3 $15 Qh4 32. Rg3) 31... g6 $1 $19 32. Rg3 Rb2 $40 {[%mdl 128] ( -> ...
Qxf2+). Black goes for the king.} 33. Rxb2 Rxb2 34. Qxf4 gxf4 $17 {[%mdl 4096]
Endgame KRN-KRN} 35. Rf3 $2 (35. Rd3 $17) 35... gxf5 $19 36. Na4 Rd2 37. Nb6
Rxd4 38. Nc8 {intending Ne7+.} Ng6 {Hoping for ...Nh4+.} 39. Rb3 Kg7 40. Nd6 $2
(40. Na7) 40... Nh4+ 41. Kf1 f3 {[%cal Rd4d1]} 42. Rb1 Rd3 43. a4 Rc3 44. Nb7
Ng6 45. Nxa5 {[#]} Ne5 $1 ({Much less strong is} 45... Rxc5 46. Nb3 $17) 46.
Nb3 Nd3 47. a5 (47. Nd4 {was worth a try.}) 47... Rc2 ({Worse is} 47... Nxc5
48. Nxc5 Rxc5 49. Ra1 $11) 48. a6 $2 (48. Rd1 Rb2 49. Nd2) 48... Rxf2+ 49. Kg1
Rg2+ 50. Kf1 Rf2+ $2 (50... Nf4 51. Nd4 Nxh3 52. Nxf3 Rf2+ {[%mdl 64] Double
Attack} 53. Ke1 Rxf3) 51. Kg1 Rg2+ $2 (51... Re2 52. a7 Re1+ {[%mdl 64] Double
Attack} 53. Kh2 f2) 52. Kf1 Nf4 53. a7 Nxh3 {[%csl Gh3][%cal Rg2g1]} 54. Ke1
Rg1+ 55. Kd2 Rxb1 56. a8=Q f2 57. Qb8 f1=Q 58. Qe5+ Kh7 {Weighted Error Value:
White=0.51/Black=0.28} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.6"]
[White "Ding, Liren"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2836"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,173,-7,-9,-4,1,-25,0,0,8,0,0,-7,0,0,0,0,47,47,47,47,54,47,53,47,46,
56,74,72,76,82,86,85,85,85,85,85,85,85,92,93,93,97,98,102,96,106,120,126,126,
117,123,112,108,68,62,68,88,75,74,81,73,75,78,42,61,40,53,14,11,0,35,0,7,0,42,
35,68,52,52,61,35,32,12,0,18,34,79,82,78,85,110,41,93,78,108,108,108,108,108,
108,108,118,124,108,108,108,116,112,218,143,208,178,558,564,518,533,318,116,
116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,49,49,49,
49,49,49,49,49,30,30,30,30,30,30,30,30,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nbd2 {[%cal Bb1d2,Bd2f1,
Bf1e3][%mdl 32]} Be6 8. b3 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.}
Nd7 {[#]} 9. Nf1 $146 ({Predecessor:} 9. Bb2 O-O 10. O-O Qe7 11. Nc4 f6 12. Ne3
Rad8 13. Nf5 Qf7 14. Qe2 Rfe8 15. Rad1 c5 {1/2-1/2 (26) Potapov,P (2489)
-Nesterov,A (2484) Sochi 2019}) 9... a5 10. a4 Bg4 11. Ne3 Bb4+ 12. Kf1 Bxf3
13. Qxf3 Bc3 14. Rb1 Qf6 15. Qxf6 Nxf6 16. Ke2 Nd7 17. Bd2 Bxd2 18. Kxd2 Nc5
19. g3 O-O-O {next ...Nxe4+ is good for Black.} 20. Kc3 b6 21. f4 exf4 22. gxf4
Ne6 23. f5 Nd4 24. Rbf1 Rd7 25. Rf2 c5 26. h4 g6 27. Rg1 Re8 28. h5 Rd6 29.
Rgg2 Nc6 30. fxg6 fxg6 31. Rf7 Re7 32. Rf8+ Kb7 33. Nd5 Red7 $1 34. Nf6 Rd8 35.
Rxd8 Nxd8 36. hxg6 hxg6 $16 {[%mdl 4096] Endgame KRN-KRN} 37. Nd5 Nf7 38. Rf2
Ne5 39. Rf8 Rd7 40. Re8 Nf3 41. Rf8 Ne5 42. Re8 Nf3 $1 43. Rf8 Nd4 44. Rg8 Rh7
45. Rxg6 Rh2 {[%csl Gd4][%cal Rh2c2]} 46. Ne3 Re2 47. Rg3 Kc6 48. Rh3 Kd7 49.
Kb2 Kc6 {[#]} 50. Kc1 $1 Rf2 {[#]} 51. Kd1 $1 Kb7 52. Rh7 (52. Ke1 $16 Re2+ 53.
Kf1) 52... Kc6 (52... Rf3 $14) 53. Rg7 Rh2 54. Rg6+ Kd7 55. Rg2 Rh1+ 56. Kd2
Nf3+ 57. Kc3 Nd4 58. Nd5 Ne6 59. Rf2 Rc1 60. Rh2 Rf1 (60... Nd4 $16 61. Rg2 Kc6
) 61. Kc4 {Cut Off at move 61} Rc1 (61... Ng5 $16 {is a better defense.} 62.
Rh5 Rg1) 62. c3 Kd6 $2 (62... Ng5 {is tougher.} 63. Rh5 Nf3) 63. Rh6 $18 Kd7
64. Rh7+ Kd6 65. e5+ $2 (65. Nf6 $18 {is more deadly.}) 65... Kxe5 $16 66. Nxc7
Nxc7 67. Rxc7 {aiming for Rc6. KR-KR} Kd6 68. Rh7 Kc6 69. Rh2 Kc7 70. Rh4 Kc6
71. Rh6+ Kc7 72. Rg6 Rc2 73. Rg5 Rc1 74. d4 ({Better is} 74. Rg7+ $16 Kd6 75.
Rg5) 74... cxd4 $14 75. Kxd4 Rb1 76. Kc4 Kc6 77. Rg6+ Kb7 78. b4 axb4 79. cxb4
Rh1 80. Rg7+ Kc6 81. b5+ Kd6 82. Rb7 Rh4+ {The position is equal.} 83. Kb3 Rh3+
84. Kb4 (84. Ka2 $5 {[%cal Rb7b6]} Rh2+ 85. Kb1 Rh1+ 86. Kc2 Rh2+ 87. Kd3 Rh3+
88. Ke4 Rh4+ 89. Kf5 Rxa4 90. Rxb6+ Kc5 91. Rh6 $11) 84... Rh4+ 85. Kb3 Rh3+
86. Kb4 Rh4+ 87. Kb3 {Blacks defense is rewarded with a draw.  Weighted Error
Value: White=0.06/Black=0.10} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.7"]
[White "Giri, Anish"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2731"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,121,24,18,26,26,-12,27,31,35,38,37,4,16,9,10,8,19,10,25,18,56,59,68,
73,67,65,92,16,20,13,17,21,16,23,30,34,29,25,28,18,26,24,36,35,40,37,29,41,42,
29,36,36,37,25,40,24,33,27,43,43,43,43,43,48,61,51,68,68,68,59,84,97,269,260,
296,128,352,352,352,351,415,409,499,391,579,537,762,617,587,583,528,518,1257,
1141,939,464,29967,29966,29974,29976,29978,29979,29980,29981,29981,29982,29982,
29983,29984,29982,29983,29983]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5
cxd4 6. Qxd4 exd5 7. e4 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5
cxd5.} dxe4 8. Qxd8+ Kxd8 9. Ng5 {[%mdl 64] [#] Double Attack. White has an
edge.} Be6 10. Nxe6+ fxe6 11. Bd2 $5 {[%mdl 4] A promising side line.} Nc6 {[#]
} 12. O-O-O $146 ({Predecessor:} 12. Rd1 Ke7 13. Bb5 Nd4 14. Ba4 e5 15. O-O a6
16. Rde1 b5 17. Bd1 Rd8 18. Bc1 {0-1 (57) Rajkovic,D (2215)-Nonkovic,B (2061)
Belgrade 2014}) 12... Ke8 13. Bb5 Rc8 14. Rhe1 Kf7 15. Kb1 Nd4 16. Bf1 Be7 17.
Nxe4 Nxe4 18. Rxe4 Rhd8 19. Rc1 (19. g4 $16) 19... Rxc1+ $11 20. Bxc1 Bf6 21.
Re1 a6 22. Rd1 Nc6 23. Rxd8 Bxd8 {[%mdl 4096] Endgame KBB-KBN} 24. Be3 Bf6 25.
Bd2 Ke7 26. Bd3 h6 27. Be4 Kd6 28. Kc2 b6 29. b4 b5 30. a3 Kc7 31. f4 Nd8 32.
Bg6 e5 33. Be4 exf4 34. Bxf4+ Kd7 35. Bf5+ Kc6 36. Bc8 Nb7 37. Kb3 Bd4 38. a4
bxa4+ 39. Kxa4 Kb6 40. Kb3 Kc6 41. h4 Kb6 $2 {[#]} (41... h5 $16) 42. h5 $18
Bf6 43. Bh2 (43. Kc4 $18 {is the precise move to win.}) 43... Nd8 $2 {A
mistake that costs the game.} (43... Kc6 $16 44. g4 Kb6) 44. Bg1+ Kc7 45. Bxa6
Ne6 46. Kc4 Nf4 47. g4 Be5 (47... Ne2 {was called for.}) 48. b5 {[%cal Bb4b5,
Bb5b6][%mdl 32]} g6 49. hxg6 Nxg6 50. Kd5 Bg3 51. b6+ Kb8 (51... Kd7 $142 52.
Be3 Ne7+ 53. Kc5 Bd6+ 54. Kb5 Ng6) 52. Ke4 Ne5 53. Kf5 Nf3 (53... Nf7 $18 54.
Be3 Bh2) 54. Be3 {White mates.} Nh4+ 55. Ke4 Ng6 56. Bxh6 Bf2 57. Be3 Bxe3 58.
Kxe3 Ne5 59. g5 Nd7 60. b7 Ka7 61. g6 {Weighted Error Value: White=0.12/
Black=0.33} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "4.8"]
[White "Karjakin, Sergey"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "2709"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,64,6,8,23,19,20,12,18,19,26,19,17,16,42,18,18,20,59,60,58,2,3,0,-11,
-22,-9,-51,-31,-212,-205,-219,-211,-300,-307,-395,-412,-610,-436,-519,-509,
-1082,-1065,-961,-918,-1812,-1759,-1734,-1712,-1719,-1731,-1571,-1567,-1315,
-1071]} 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bb4 5. Nf3 d6 6. O-O Bxc3 7. bxc3
Be6 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} 8. Bb3 h6 9. Re1 O-O {The position
is equal.} 10. h3 {[#]} Ne7 $146 ({Predecessor:} 10... Qe7 11. Ba3 Nh7 12. Qe2
Rad8 13. d4 Bxb3 14. cxb3 a6 15. Rad1 f5 16. d5 fxe4 17. Qxe4 {0-1 (27) Srba,D
(1145)-Ruzicka,O (1168) Kouty nad Desnou 2020}) 11. Nh4 c5 12. Qf3 Kh7 13. g4
Nfg8 14. g5 c4 15. dxc4 Rc8 16. Nf5 (16. Rb1 $14) 16... Qd7 17. c5 dxc5 {
aiming for ...c4.} 18. Rd1 Qc6 {Strongly threatening ...Nxf5.} 19. Nxe7 Nxe7
20. gxh6 $2 {[#] Now White is beyond hope.} ({White should play} 20. Bxe6 $15
Qxe6 21. Qg4) 20... c4 $1 $19 21. hxg7 Kxg7 22. Ba3 (22. Qh5 $142 Rh8 23. Qxe5+
f6 24. Qd6 (24. Qg3+ $2 Kf7 $19)) 22... Ng6 23. Bxf8+ Rxf8 24. h4 (24. Bxc4
$142 Qxc4 25. Rd3) 24... Nxh4 {Black is clearly winning.} 25. Qg3+ Ng6 26. f3 (
26. Rd2 $142 cxb3 27. axb3) 26... cxb3 27. axb3 Rh8 28. c4 Qc5+ 29. Kf1 Kf6 {
[#] ( -> ...Nf4)} 30. Qg1 Bh3+ 31. Ke2 Nf4+ 32. Kd2 Rd8+ {Weighted Error Value:
White=0.67/Black=0.13} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.1"]
[White "Nakamura, Hikaru"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B68"]
[WhiteElo "2829"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,92,24,24,50,40,41,32,42,29,20,17,23,22,22,21,25,21,20,17,22,22,25,27,
27,8,8,8,8,0,0,0,0,0,0,-8,21,17,48,49,107,110,106,100,104,89,109,107,93,51,58,
51,69,32,45,22,23,23,22,26,33,0,18,0,29,0,0,0,30]} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3
b5 11. e5 b4 12. exf6 bxc3 13. Qxc3 gxf6 14. Bh4 Rg8 {B68: Sicilian:
Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 .} 15. Kb1 Rb8 {[#]} 16. h3 $146 ({
Predecessor:} 16. Rg1 Qb6 17. Be2 f5 18. Bxe7 Kxe7 19. b3 Rgc8 20. Qg7 Nb4 21.
Ng5 Be8 22. Nxh7 {1/2-1/2 (29) Volokitin,A (2634)-Salgado Lopez,I (2624)
Germany 2018}) 16... Qa5 {[#] White must now prevent ...Qxc3.White is slightly
better.} 17. Qxa5 Nxa5 18. Bxa6 Rxg2 19. Rhg1 Rg6 $1 20. f5 exf5 21. Bg3 Nc6
22. Bxd6 Bxd6 23. Rxd6 Rxg1+ 24. Nxg1 Ke7 25. Rd1 f4 26. Rf1 Rg8 27. Ne2 Bxh3
28. Re1 f3 {And now ...f2 would win.} 29. Ng1+ Be6 30. Nxf3 Nb4 31. Bb5 Nxa2
32. c3 Rg3 (32... Rc8 $14) 33. Nd4 $16 {Strongly threatening Nf5+.} Nxc3+ {[#]}
34. Kc2 $1 Nxb5 35. Nf5+ $1 {[%mdl 64] Double Attack} Kd7 36. Nxg3 {[%mdl 4096]
Endgame KRN-KBN} f5 37. Rf1 {[%mdl 1024] White has strong compensation.} Kd6
38. Kd3 ({But not} 38. Nxf5+ $2 Bxf5+ 39. Kd2 Ke5 $19) 38... Ke5 39. Nh5 Bd5
40. Rc1 Nd4 41. Rc5 {Threatens to win with Nf6!} Nb3 42. Rb5 {Hoping for Nf4!}
Nd4 43. Rb8 Ne6 44. Rb5 Nd4 $1 {[%cal Rd4b5]} 45. Rc5 Nb3 $1 {[%cal Rb3c5]} 46.
Rb5 {aiming for Nf4!} Nd4 {Weighted Error Value: White=0.07/Black=0.06} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.2"]
[White "Le, Quang Liem"]
[Black "Karjakin, Sergey"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2744"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,99,47,32,41,37,31,32,27,0,0,0,0,0,0,0,0,0,0,0,45,32,44,34,82,72,70,
87,194,57,346,332,389,391,359,330,329,325,359,349,374,359,379,363,368,370,375,
362,353,364,440,431,764,782,912,664,768,770,6412,770,2091,999,29990,759,1155,
691,6211,770,770,763,763,763,763,763,763,762,750,595,750,742,741,741]} 1. e4 c5
2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9.
f3 Nxd4 {now scores much better than the old 9...Be7.} 10. Qxd4 Be7 11. h4 h6 {
B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 12.
Be3 h5 13. Bg5 Qc7 {White is slightly better.} 14. Kb1 b5 {[%cal Bb7b5,Bb5b4]
[%mdl 32]} 15. Qd2 b4 16. Ne2 a5 {[#]} 17. Nf4 $5 $146 {[%mdl 8] An
interesting novelty.} ({Predecessor:} 17. Nd4 Rb8 18. g3 a4 19. Bh3 O-O 20. g4
hxg4 21. Bxg4 a3 22. Rhg1 Rfc8 23. Qg2 axb2 {0-1 (33) Kriebel,T (2515)
-Czarnota,P (2556) Legnica 2017}) 17... Rb8 18. Rc1 a4 19. c4 bxc3 20. Rxc3 Qb6
21. Bc4 Bc6 {and if ...Bxe4+ works, Black does fine.} 22. Qc2 {Hoping for Bxe6.
} Bd7 23. Rd1 g6 (23... Qa5 $16 {might work better.}) 24. Nd3 (24. Bxe6 $1 $18
Bxe6 25. Nxe6 fxe6 26. e5) 24... d5 $2 {[%mdl 8192] Loses the game.} ({Black
should play} 24... Qa5 $14) 25. Ne5 $1 $18 {[%cal Re4d5]} Rd8 26. exd5 exd5 27.
Nxd7 Rxd7 {[#]} 28. Bxd5 $1 {[%mdl 512]} Kf8 (28... Rxd5 29. Rxd5) 29. Rc8+ ({
Not} 29. Qxa4 Rxd5 30. Rxd5 Nxd5 $16) 29... Kg7 30. Rxh8 $1 Kxh8 31. Bxf7 Rxd1+
32. Qxd1 Kg7 33. Bc4 a3 {[%csl Ga3][%cal Rb6b2]} 34. Qe2 Bb4 35. Qe5 axb2 (
35... Qd6 $142 36. Qxd6 Bxd6) 36. Be3 Qd8 37. Bd4 Bd6 {[#]} 38. Qd5 $1 {
Threatening mate with Qf7+.} Qf8 39. Qe6 (39. g4 $142 Be7 40. gxh5) 39... Be7
40. a4 (40. g4 $142) 40... Qd8 41. Qd5 (41. Qf7+ $142 Kh8 42. Bd5 Qc8 43. Bxb2
Qb8 44. Bc4 Qd8 45. Bb3 Qd3+ 46. Ka2 $1 {[%mdl 512]}) 41... Qe8 {White is
clearly winning.} 42. Bb3 Kh8 {[#]} 43. Bxb2 (43. Qe4 $142 $1 Qf8 44. Qxg6)
43... Kh7 44. Qf7+ Qxf7 45. Bxf7 {KBB-KBN} Nd7 46. a5 Bxh4 47. Bd4 {Strongly
threatening a6.} Nb8 48. Be8 Bd8 49. Bb5 Bxa5 50. Be5 {Weighted Error Value:
White=0.44/Black=0.75} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.3"]
[White "Vidit, Santosh Gujrathi"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2636"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,186,6,13,0,0,0,13,0,14,0,0,-2,0,-16,-17,-19,0,-8,0,-18,-20,-33,0,0,
-6,-108,0,-54,-54,-45,0,-24,0,0,0,0,0,0,0,0,0,-83,-80,-81,-72,-87,-98,-98,-73,
-73,-80,-165,-145,-207,-8,-11,-8,-12,-16,-9,-8,-8,-8,-8,-5,-6,-6,-8,-8,-8,0,
-16,-16,-16,-16,-27,-27,-48,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,
-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-16,-16,-16,-15,-16,0,-16,
-16,-16,-16,-16,-16,-16,-15,-52,-16,-16,-16,-16,-15,-16,-16,-16,-16,-16,-16,
-16,-16,-16,-16,-16,-16,-16,-16,-65,-65,-73,-54,-29980,-29981,-29981,-29982,
-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,
-29988,-29988,-29989,-29989,-29990,-29990,-29991]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5
4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 Nc6 10. Rb1 a6
11. Rc1 cxd4 12. cxd4 Qxd2+ 13. Kxd2 e6 14. h4 {D85: Exchange Grünfeld:
Unusual White 7th moves and lines with 7 Nf3.} O-O 15. Bd3 h6 16. Rb1 {The
position is equal.} Rd8 17. e5 b5 18. Rhc1 Bd7 19. Be4 Rac8 {[#]} 20. Ke1 $146
({Predecessor:} 20. Ke2 Bf8 21. Rc2 Nb4 22. Rxc8 Rxc8 23. Rb2 Bc6 24. Bxc6 Rxc6
25. Bd2 Nd5 26. Kd3 {1-0 (44) Vidit,S (2726)-Sychev,K (2572) chess.com INT 2020
}) 20... Na5 21. Nd2 Bc6 22. f3 Bf8 23. Ke2 Kg7 24. Nb3 Nc4 25. Nd2 (25. Bxc6
$11 {remains equal.} Rxc6 26. Nd2) 25... Na5 (25... Bxe4 $17 26. Nxe4 Ba3) 26.
Kd1 (26. Nb3 $1 $11 Bxe4 27. Rxc8 Rxc8 28. fxe4 Rc2+ 29. Kd3 Rxa2 30. Nxa5 Rxa5
31. d5) 26... Be7 27. g3 f6 28. Ke2 fxe5 29. dxe5 Ba3 {White must now prevent .
..Bxe4.} 30. Rd1 {aiming for Bb6.} Bxe4 31. Nxe4 {Strongly threatening Rxd8.}
Rc2+ 32. Kf1 Rd5 $1 33. Rxd5 (33. Nf6 $11 {keeps the balance.} Rxe5 34. Ng4)
33... exd5 $17 34. Nf6 Nc4 35. Bf4 g5 36. hxg5 hxg5 37. Bxg5 Nxe5 38. Rb3 (38.
Nxd5 $17 {might work better.} Nxf3 39. Rb3 Nh2+ 40. Ke1 Rxa2 41. Be7) 38... Bc5
$1 $19 {And now ...Rf2+ would win.} ({Don't play} 38... Rxa2 39. Nxd5 Nc4 40.
Bf4 $15) 39. f4 (39. Ke1 $17 {keeps fighting.}) 39... Rf2+ $2 ({Better is} 
39... Nc4 $1 $19 {[%cal Rc4d2]} 40. Ke1 Kg6) 40. Ke1 $11 Nf3+ 41. Kd1 {With
the idea Ng4.} Nxg5 (41... Nd4 $5 42. Rd3 $8 Rxa2 $11) 42. fxg5 {[%mdl 4096]
Endgame KRB-KRN} Be7 43. Nxd5 Bxg5 {...Rd2+ is the strong threat.} 44. Nb4 Rd2+
45. Ke1 a5 46. Nc6 Rxa2 47. Rxb5 {[%mdl 64] Double Attack} Bf6 (47... Be3 {
with more complications.} 48. Re5 Bh6 49. g4 Kg8 50. Rh5 Bg7) 48. Nxa5 Bc3+ 49.
Kd1 Bxa5 {KRB-KR} 50. Rb7+ Kf6 51. Ra7 Ke5 52. g4 Kd4 53. g5 Kd3 {[%cal Ra2a1]}
54. Rd7+ Kc4 55. Ra7 Kb5 56. g6 Rd2+ 57. Kc1 {White threatens Rxa5+! and mate.}
Rg2 58. g7 Bc3 (58... Bb4 {seems wilder.} 59. Ra8 Rg1+ 60. Kc2 Rxg7 61. Rc8
Rg2+) 59. g8=Q Rxg8 60. Kc2 Bd4 61. Rc7 {Cut Off at move 61} Rg3 62. Rc8 Bc5
63. Kd2 Kc4 64. Ke2 Ra3 65. Rc7 $1 Kd5 66. Rc8 Kc4 67. Rc7 Kd4 68. Rc8 Be7 69.
Rc2 Bf6 70. Rd2+ Ke4 71. Kf1 Bd4 (71... Bg5 {looks sharper.} 72. Rb2 Ke3 73.
Re2+ Kd3 74. Re5 Be3) 72. Ke2 Bc3 73. Rc2 Be5 74. Rc4+ Bd4 75. Rc2 Bc3 76. Kd1
Kf3 77. Rc1 Ke3 78. Kc2 Kd4 79. Rd1+ Kc4 80. Rd8 $1 Ra2+ 81. Kb1 Rh2 82. Kc1
Bd4 {( -> ...Kd3)} 83. Kd1 $2 {[%mdl 8192] Loses the game.} (83. Rf8 $15) 83...
Kd3 {[%cal Rh2h1] Black mates.} 84. Re8 Rb2 {[%cal Rb2b1]} 85. Rc8 Bb6 86. Rc6
Be3 87. Rd6+ Bd4 {[%cal Rb2b1]} 88. Rc6 Rg2 {[%cal Rg2g1]} 89. Re6 Rd2+ 90. Ke1
Rb2 {[%cal Rb2b1]} 91. Kf1 {[#]} Rf2+ $1 92. Ke1 {[#]} Rf5 $1 93. Rd6 Rg5 {
Weighted Error Value: White=0.16/Black=0.15} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.4"]
[White "So, Wesley"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2741"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,5,0,0,0,0,0,0,0,-9,-16,15,15,5,
0,0,-30,-41,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4
Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 $1 7. Nf3 {E32:
Nimzo-Indian: Classical (4 Qc2): 4...0-0.} c5 $1 8. Bd3 cxd4 9. Nxd4 Nd7 10.
Bf4 Qh4 11. g3 Qh5 12. O-O g5 13. cxd5 Bxc3 14. bxc3 exd5 15. Be3 Nxe5 16. f3
Nc5 17. Bf5 Ne6 {[#]} 18. g4 $146 ({Predecessor:} 18. Rae1 Nxd4 19. Bxd4 Nc6
20. Be3 Re8 21. g4 Bxf5 22. Qxf5 Qg6 23. Qxg5 Rad8 24. Qf4 {1/2-1/2 (56) Perez
Ponsa,F (2559)-Della Morte,G (2369) Buenos Aires 2020}) 18... Qh6 19. Rae1 Nxd4
20. Bxd4 Nc6 21. Bc5 Rd8 $1 22. Be7 (22. Be3 {seems wilder.} Qg7 23. Bd2 f6 24.
f4 gxf4 25. h3) 22... Nxe7 23. Rxe7 Bxf5 24. Qxf5 {The position is equal.} Qg6
25. Qxg6+ hxg6 $11 {[%mdl 4096] Endgame KRR-KRR} 26. f4 d4 27. fxg5 dxc3 {
White must now prevent ...c2.} 28. Rfxf7 {With the idea Rg7+.} c2 29. Rg7+ {
[%mdl 64] [#] Double Attack} Kh8 30. Rh7+ Kg8 31. Reg7+ Kf8 32. Rc7 {[%cal
Rh7h8]} Kg8 33. Rhg7+ Kh8 34. Rh7+ Kg8 35. Rhg7+ Kh8 36. Rh7+ Kg8 {Weighted
Error Value: White=0.02/Black=0.02} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.5"]
[White "Svidler, Peter"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2742"]
[BlackElo "2774"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,101,4,1,-11,0,0,0,0,2,7,28,5,36,40,50,42,53,54,41,4,-5,15,-4,14,0,
-24,-23,-39,-43,-31,-9,-14,0,0,0,0,0,0,0,0,0,0,53,58,59,17,21,8,8,8,7,5,10,0,0,
0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-8,8,8,
8,8,8,8]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Qb3
Qb6 8. Nc3 Rd8 9. Rd1 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Be6 10. c5 Qxb3 11.
axb3 Na6 12. h3 {[#]} Ne8 $146 ({Predecessor:} 12... Bf5 13. Ra3 Nd7 14. g4 Be4
15. Bg5 f6 16. Bh4 e5 17. e3 Bxf3 18. Bxf3 Nc7 {0-1 (35) Deshpande,A (2194)
-Laylo,D (2430) Ho Chi Minh City 2019}) 13. Bf4 f6 14. g4 g5 15. Bg3 Bf7 16. e3
h5 17. Rxa6 bxa6 18. Ra1 hxg4 19. hxg4 Be6 20. Ne1 Bxg4 21. Nd3 Bd7 22. Rxa6 e6
23. b4 Rdc8 24. b5 cxb5 25. e4 dxe4 $1 26. Bxe4 {[#] c6 is the strong threat.}
f5 $1 {[%cal Rf5e4]} 27. Bxa8 Rxa8 28. Be5 Bc8 ({Black should play} 28... Bxe5
$11 29. Nxe5 Nc7) 29. Ra5 $14 Bb7 30. Bxg7 ({Don't go for} 30. Rxb5 $2 Ba6 $19)
30... Kxg7 {The position is equal.} 31. Ne5 ({Don't blunder} 31. Rxb5 $2 Ba6
$19) 31... a6 32. c6 Bc8 $1 33. Nxb5 Rb8 34. Na7 Nc7 35. Ra3 Ra8 36. Nxc8 Rxc8
$11 {[%mdl 4096] Endgame KRN-KRN} 37. Rg3 g4 38. f3 Nb5 39. fxg4 Nxd4 40. Rd3
Nxc6 41. Rc3 Ne7 {aiming for ...Rxc3.} ({Much worse is} 41... Nxe5 $6 42. Rxc8
Nxg4 43. Rc6 $16) 42. Rxc8 Nxc8 43. gxf5 {KN-KN} Kf6 44. Nd7+ Kxf5 {
Threatening ...a5.} 45. b4 e5 46. Nc5 e4 47. Kf2 Nb6 48. Nxa6 e3+ {[%mdl 64] 
[#] Decoy} 49. Kxe3 Nd5+ 50. Kd4 Nxb4 51. Nxb4 {Weighted Error Value: White=0.
05/Black=0.05} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.6"]
[White "Nepomniachtchi, Ian"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,2]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5
Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 {[#]} 11. Qe4+ $146 ({
Predecessor:} 11. Qe3+ Be6 12. Nc3 a6 13. Rd1 Qc5 14. Qg3 f6 15. Bf4 Rc8 16.
Re1 Kf7 17. Rxe6 Kxe6 18. Qh3+ f5 19. Ne4 Qd5 20. Nc3 Qd7 21. Rd1 Bd6 22. Rd5
g6 23. Ne4 Kxd5 24. Qb3+ Kc6 25. Qc4+ Kb6 {0-1 (25) Andreikin,D (2726)
-Nakamura,H (2736) chess.com INT 2020}) 11... Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14.
Qd4 Qd6 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.7"]
[White "Carlsen, Magnus"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2881"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,127,16,18,12,20,9,30,28,22,30,23,34,32,21,52,39,47,38,76,70,79,91,86,
89,84,84,132,116,118,120,118,112,121,107,124,123,120,124,138,122,193,206,204,
194,208,218,269,256,250,190,190,188,293,215,233,234,210,164,232,191,240,237,
232,197,310,299,284,289,435,461,449,441,438,423,382,378,475,475,470,454,385,
364,1013,834,1106,1075,29957,5625,29966,29967,29962,29960,29967,29970,29974,
29975,29974,29975,29981,29982,29982,29983,29983,29984,29984,29985,29985,29985,
29985,29986,29987,29988,29988,29989]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5
5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 O-O 9. Bg3 $5 {[%mdl 4] Leaves trodden
paths. D35: Queen's Gambit Declined: Exchange Variation.} Nbd7 10. h3 Re8 11.
Nf3 {White has an edge.} Bb4 {[#]} 12. Qb3 $146 ({Predecessor:} 12. Qc2 Ne4 13.
Bh2 Qf6 14. O-O Ng5 15. Ne5 Nxe5 16. Bxe5 Nf3+ 17. gxf3 Qxf3 18. Qe2 Qxh3 {
1-0 (65) Furman,B (2279)-Jelen,P (2173) Tatranske Zruby 2001}) 12... c5 13. O-O
Bxc3 14. Qxc3 ({Avoid the trap} 14. bxc3 $2 c4 $19) 14... c4 15. Bc2 a5 16. a4
Qb6 17. b3 Ne4 18. Bxe4 dxe4 19. Nd2 cxb3 20. Rfb1 Qg6 21. Rxb3 Nf6 22. Rb5 Be6
23. Rxa5 Nd5 24. Rxa8 Rxa8 25. Qb3 b6 {[#]} 26. Kh2 $1 h5 {White must now
prevent ...h4!} 27. Qb5 Rc8 {[#]} (27... Qf5 $16 {might work better.}) 28. a5
$1 $18 {[%cal Ra5b6]} bxa5 29. Rxa5 Kh7 30. Qb1 Nc3 31. Qb7 Bf5 32. Rc5 Rxc5
33. dxc5 Ne2 (33... Qe6 $142 34. Qb2 Na4) 34. Qd5 Qe6 35. Qxe6 Bxe6 36. Nxe4 {
[%mdl 4096] Endgame Ng5+ is the strong threat. KBN-KBN} Bd5 (36... Bd7 $142 37.
Nd6 f6) 37. Nd6 Nc3 38. f3 f6 39. e4 Bc6 (39... Ba8 {was worth a try.} 40. Be1
Ne2) 40. Nf5 Nb5 41. Ne7 Be8 (41... Ba8 {was called for.} 42. c6 Na7) 42. c6
Na7 43. c7 {aiming for Bf2.} Bd7 44. Bf2 Nc8 45. Nd5 Kg8 46. g4 hxg4 47. hxg4
Kf7 48. Bc5 Bc6 $2 (48... Ke8 49. Kg3 Ba4) 49. f4 Bb5 50. f5 Bd3 51. Nb6 (51.
Ne7 $142 Nxe7 52. Bxe7 Ba6 53. Bc5 Ke8 54. Kg3 Bb7 55. Kf4 Kf7 56. g5) 51...
Nxb6 52. Bxb6 {KB-KB. White mates.} Ba6 53. Bd4 g6 54. Kg3 gxf5 55. exf5 Ke7
56. Kf4 Kd7 57. Bxf6 Kxc7 58. g5 Kd7 59. g6 Ke8 60. Kg5 Kf8 61. Bc3 Bc4 62. f6
Kg8 63. Bb4 Bb3 64. Kf4 {Black got outplayed after the opening.  Weighted
Error Value: White=0.08/Black=0.54} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "5.8"]
[White "Radjabov, Teimour"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "D39"]
[WhiteElo "2758"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,114,2,0,0,0,0,7,0,-58,-49,-85,-65,-66,-32,-44,0,-23,0,0,0,15,8,0,0,0,
0,0,0,0,0,0,0,-35,-20,-22,-33,-74,-65,-77,-74,-89,-53,-54,-66,-89,0,0,14,0,0,
-134,260,217,460,449,421,0,387,0,0,0,0,-12,-17,-16,18,-288,-259,-396,-406,-429,
-444,-393,-357,-397,-382,-358,-299,-571,-551,-1221,-395,-381,-369,-440,-438,
-666,-752,-692,-672,-714,-680,-592,-430,-409,-391,-401,-101,-189,-185,-185,
-188,-1513,-1316]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. Qa4+
Nc6 7. e3 Bd7 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.}
8. Qc2 b5 9. Be2 a6 {[#] The position is equal.} 10. a3 $146 (10. O-O $11) ({
Predecessor:} 10. O-O Be7 11. e4 O-O 12. Rad1 Re8 13. h3 h6 14. Bf4 Nb4 15. Qc1
Bf8 16. Ne5 {0-1 (49) Bartholomew,J (2446)-Sarana,A (2657) Chess.com INT 2020})
10... Be7 $15 11. e4 O-O 12. Rd1 Re8 13. h4 Ng4 14. Bf4 e5 15. Nxe5 Ngxe5 16.
dxe5 Bf8 17. Qd2 Be6 18. Qe3 Qe7 19. O-O Qc5 ({Avoid the trap} 19... Qxh4 $2
20. Bg5 $18) 20. Qg3 $1 Rad8 21. h5 Nd4 22. Bg4 Bxg4 23. Qxg4 c6 24. Bg5 Be7 $1
25. Be3 {And now Rxd4 would win.} Qxe5 26. f4 Qe6 27. f5 Qe5 28. Bf4 Qc5 (28...
Qf6 $1 $17) 29. Kh1 $36 {[%mdl 2048] Black is under pressure.} Bf6 30. e5 Bxe5
31. Ne4 (31. h6 $1 $11 Bf6 32. Bg3) 31... Qd5 $2 {[%mdl 8192]} (31... Qf8 $1
$17 {stays on course.} 32. h6 Kh8 33. Bxe5 Rxe5) 32. Bg5 $18 (32. Bxe5 $2 Qxe5
33. Rde1 Nc2 $17) 32... Rd6 $2 (32... Kh8) 33. Nc3 (33. Be3 c5 $11) 33... Qc5 {
...Nb3 is the strong threat.} 34. Ne4 Qd5 35. Be3 $2 ({White has to play} 35.
Rfe1 $18 Kf8 36. h6) 35... c5 $11 36. f6 {[%csl Gf6][%cal Rg4g7]} g6 {Strongly
threatening ...Rc6.} 37. hxg6 hxg6 {White must now prevent ...Rde6.} 38. Nxd6
Qxd6 {[#]} 39. Bh6 $2 {[%mdl 8192]} (39. Qxg6+ $1 $11 {[%mdl 512] and White is
okay.} fxg6 40. f7+ {[%mdl 64] Double Attack} Kf8 41. Bh6+ Ke7 42. f8=Q+ Kd7
43. Rf7+ Re7 44. Bg5 Rxf7 45. Qxf7+ Kc6 46. Qa7) 39... Bxf6 $19 40. Qf3 (40.
Rde1 $142 Rxe1 41. Rxe1) 40... Re6 ({Not} 40... Nxf3 41. Rxd6 Be5 42. Rd5 $15)
41. Qa8+ ({But not} 41. Qb7 Re5 $19) 41... Kh7 42. Bf4 Qd7 43. Rfe1 Rxe1+ 44.
Rxe1 Qg4 45. Bh2 $2 (45. Qe4 {only move.}) 45... Nf5 46. Qf8 {[#]} Nh6 $2 (
46... Qh4 $1 47. Qxf7+ Kh6 $1 {[%mdl 512]} 48. Qf8+ Bg7) 47. Qxc5 Bxb2 48. Qd6
Bg7 49. Qxa6 (49. Qg3 $142 a5 50. Rc1) 49... Qh4 50. g3 {[#]} Qh5 $1 {( -> ...
Qf3+)} 51. Qc6 Ng4 {[%csl Gg4][%cal Rh5h2]} 52. Re2 Qf5 53. Bg1 Qd3 54. Qg2 f5
$2 (54... Qxa3 $19 {Threatens to win with ...Qb3.} 55. Re4 f5) 55. Re7 $17 {[#]
} Nf6 $1 56. Qb7 Nh5 57. Bf2 $2 (57. Rd7 Qxg3 58. Bd4 Qe1+ 59. Kh2) 57... Qf1+
{[%mdl 64] Double Attack.  Weighted Error Value: White=0.77/Black=0.47} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2860"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,107,18,7,15,10,0,6,33,9,7,0,41,41,49,44,45,27,67,49,62,56,92,86,99,
109,354,322,298,136,139,133,285,158,155,149,147,143,143,143,148,139,158,133,
163,162,152,110,112,108,108,104,112,97,179,131,250,250,250,264,289,281,272,292,
265,255,359,354,410,415,406,380,378,375,380,373,385,387,399,367,505,498,585,
571,562,561]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7.
Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Nbd2 Nc5 11. c3 O-O 12. Rd1 Qd7 13. Bc2 Bf5 {
C83: Open Ruy Lopez: 9 c3 Be7.} 14. Nf1 {[%cal Bd2f1,Bf1e3,Be3f5,Bf5d4][%mdl
32]} Bxc2 15. Qxc2 {[#]} Qe6 $146 {The position is equal.} ({Predecessor:} 
15... f6 16. Ne3 Nxe5 17. Nxe5 fxe5 18. Nxd5 Bd6 19. Be3 Qf7 20. c4 bxc4 21.
Qxc4 Ne6 22. Nc3 Nc5 23. Qxf7+ Rxf7 {1/2-1/2 (50) Radtke,E-Scheerer,H
Langenwang 1994}) 16. Nd4 Qd7 17. Nf3 Qe6 18. Bf4 Rad8 19. Ne3 Rfe8 20. h3 Na4
21. b3 Nb6 $1 22. Rd2 Nb8 23. Nf5 Bf8 24. Re1 $36 {[%mdl 2048] Black is under
strong pressure.} c6 $2 {[#]} (24... Nc6 $16) 25. N5d4 Qg6 26. e6 (26. Qd1 $18
{is more deadly. And now Nh4 would win.} Qh5 27. e6 fxe6 28. Bc7 (28. Rxe6 Rxe6
29. Nxe6 Rc8 $16) (28. Nxe6 Rc8 $16)) 26... Qxc2 $16 27. Rxc2 Na8 $2 (27... c5
$16) 28. Bxb8 ({White should try} 28. Rce2 $18 {Hoping for exf7+.} fxe6 29.
Rxe6 Rxe6 30. Nxe6) 28... Rxb8 29. Nxc6 Rbc8 30. exf7+ Kxf7 {[#] aiming for ...
Rxe1+.} 31. Rxe8 Rxe8 32. Kf1 Rc8 33. Nfd4 Nb6 34. Nb4 Bc5 35. Rd2 Bxd4 36.
cxd4 {[%mdl 4096] Endgame KRN-KRN} a5 37. Nd3 Rc3 38. Ke2 a4 (38... Na8 $16 {
might work better.}) 39. Nc5 Ke7 (39... Nc8 $16 40. bxa4 bxa4 41. Nxa4 Ra3) 40.
Kd1 $18 axb3 41. axb3 Nd7 42. Re2+ Kd8 43. Ne6+ Ke7 44. Nxg7+ Kf6 (44... Kf7
$142 45. Nf5 Rxb3) 45. Ne8+ Kf7 46. Nd6+ Kf6 47. Nxb5 Rxb3 48. Nc7 Nb6 49. Re5
Nc4 50. Nxd5+ Kg6 51. Re2 Rd3+ 52. Kc2 {White is clearly winning.} Rxd4 53.
Ne7+ Kf7 54. Kc3 {Weighted Error Value: White=0.15/Black=0.28} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.2"]
[White "Firouzja, Alireza"]
[Black "Radjabov, Teimour"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2703"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,4,10,-17,-1,-11,-2,-7,-12,-24,-27,-22,-12,-20,-39,-31,-34,-37,-36,
-61,-52,-83,-112,-158,-146,-140,-144,-194,-197,-390,-399,-416,-412,-389,-398,
-418,-396]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 Bb4 5. Bd3 d6 6. Ne2 {C47:
Scotch Four Knights and Four Knights with 4 g3.} O-O {[#]} 7. O-O $146 ({
Predecessor:} 7. c3 Bc5 8. Bc2 d5 9. exd5 Qxd5 10. Ng3 e4 11. Nh2 e3 12. f3 Qe5
13. Ne2 exd2+ 14. Bxd2 Re8 15. Bd3 {0-1 (15) Raththinaraajah,P (1354)-Meinert,
D (1598) Germany 2017}) 7... Re8 8. c3 {The position is equal.} d5 9. exd5 Qxd5
10. Bc2 {[#] Black must now prevent Bb3.} e4 11. Ne1 Bd6 {Threatens to win
with ...Qh5.} 12. d4 exd3 13. Nxd3 Bf5 14. Nef4 Qc4 $40 {[%mdl 128] Hoping for
...Rad8. Black attacks.} 15. Bb3 Qa6 16. Nb4 Nxb4 17. cxb4 Rad8 ({Much weaker
is} 17... Bxb4 $6 18. Bxf7+ Kxf7 19. Qb3+ Be6 20. Qxb4 $11) 18. Qf3 Bxb4 {
[#] Strongly threatening ...Qxf1+!} 19. Bxf7+ $2 (19. Be3 {is the only way for
White.}) 19... Kxf7 $19 {Black is winning.} 20. Qb3+ Be6 21. Nxe6 Rxe6 22. Be3
Be7 {White did not feel at home in the position after the opening.  Weighted
Error Value: White=0.30/Black=0.03} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.3"]
[White "Aronian, Levon"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2778"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,36,44,44,43,31,41,31,37,20,34,15,14,11,19,10,12,0,9,16,37,25,31,
28,33,20,35,25,39,37,49,49,56,51,55,42,50,7,40,0,0,0,44,45,45,0,0,-64,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 (4... Bb4 5. e3 O-O
6. Bd2 b6 7. cxd5 exd5 8. Rc1 Re8 9. Bd3 Ba6 10. Bxa6 Nxa6 11. O-O Bf8 12. Ne2
Qc8 13. Qa4 c5 14. Ng3 Qb7 15. dxc5 Nxc5 {1/2-1/2 (30) Aronian,L (2767)
-Carlsen,M (2863) Stavanger 2020}) 5. g3 Nc6 6. Bg2 {D37: Queen's Gambit
Declined: 5 Bf4.} Bd6 7. O-O O-O 8. b3 {White is slightly better.} b6 {[#]} 9.
Nb5 $146 ({Predecessor:} 9. Bb2 Bb7 10. e3 dxc4 11. bxc4 Qe7 12. Rb1 Na5 13. c5
bxc5 14. Qa4 cxd4 15. Nb5 {1/2-1/2 (25) Herriot,B (2199)-Mcatear,A ICCF email
2019}) 9... Ba6 10. Nxd6 (10. Bb2 {keeps more tension.} Ne7 11. a4 Bb4 12. Ne5
Bb7 13. e3) 10... cxd6 11. cxd5 exd5 12. Ba3 Qd7 13. Rc1 Rac8 14. Re1 Ne7 15.
Nd2 Rxc1 16. Qxc1 Rc8 17. Qb1 (17. Qb2 {feels hotter.} h5 18. Nf1 Qe6 19. Ne3
h4 20. Rc1) 17... Bb7 18. Rc1 Rxc1+ 19. Qxc1 Ba6 20. e3 Bb5 21. Qc2 a5 22. h3
Ba6 23. g4 b5 24. Bb2 b4 25. a3 Qc6 (25... Ng6 {is more complex.} 26. Nf3 Ne4
27. axb4 axb4 28. Nd2 Nf6) 26. Qxc6 Nxc6 27. axb4 axb4 28. f3 ({White should
try} 28. Bf1 $11 Bxf1 29. Kxf1) 28... Na5 (28... Bd3 $15) 29. Bf1 $1 $11 {
[%cal Rf1a6] The position is equal.} Bxf1 30. Kxf1 {[%mdl 4096] Endgame KBN-KNN
} Kf8 31. Ke2 Ke7 32. Kd3 Ke6 33. Kc2 Nh7 34. h4 g5 35. h5 f5 {White must now
prevent ...fxg4.} 36. Nf1 $1 fxg4 37. fxg4 Nf6 38. Nh2 Kd7 39. Bc1 Kc6 40. Bd2
Kb5 41. Be1 Nc6 42. Kd3 Ne7 (42... Na5 $5 43. Kc2 $8 Ne4 $11) 43. Kc2 Neg8 44.
Kd3 Ne4 45. Kc2 Ngf6 46. Kd3 Nc3 47. Bxc3 bxc3 48. Kxc3 {KN-KN} Ka5 49. Kc2 Kb4
50. Kb2 Ne4 51. Nf3 Nf6 52. Nh2 Ne4 53. Nf3 Nf6 54. Nh2 {Weighted Error Value:
White=0.08/Black=0.05} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.4"]
[White "Duda, Jan-Krzysztof"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2774"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,24,0,0,8,17,0,0,-5,-12,-22,-36,-39,-40,-56,-46,-41,-26,-31,0,0,0,
-193,-188,-272,-272,-270,-262,-270,-272,-269,-274,-271,-272,-276,-277,-264,
-254,-326,-325,-360,-353,-29978,-29979]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5
Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 Qa5 9. Qd2 Bg4 10. Rc1 Bxf3 {
D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 11. gxf3
e6 12. Rb1 {[#]} a6 $146 {The position is equal.} ({Predecessor:} 12... cxd4
13. cxd4 Qxd2+ 14. Kxd2 O-O 15. e5 Nc6 16. f4 Rad8 17. Kc3 Rd7 18. Bb5 Rc8 {
1/2-1/2 (18) Myo,N (2425)-Aung,A (2524) Bangkok 2004}) 13. Rxb7 Nc6 14. f4 (14.
dxc5 $2 Bxc3 15. Be2 Bxd2+ $19) 14... O-O 15. Bg2 ({Wrong is} 15. dxc5 $2 Bxc3
16. f3 Nd4 $19) 15... Rab8 16. Rb3 Rxb3 17. axb3 cxd4 18. cxd4 Qb5 19. e5 Rc8
20. d5 $2 (20. Be4 $11 {and White has nothing to worry.}) 20... Nb4 $19 21. Qe2
{[#]} (21. Be4 $142 Nxd5 22. Bd3 Qxb3 23. O-O) 21... Nc2+ $1 {[%mdl 64]
Discovered Attack} ({Inferior is} 21... Nxd5 22. Qxb5 axb5 23. Bxd5 $14) 22.
Kf1 Qxb3 {( -> ...Qb1+)} 23. Kg1 Nxe3 (23... exd5 24. h4 $17) 24. Qxe3 Rc3 25.
Qe2 Rc1+ ({Don't do} 25... exd5 26. e6 $19) 26. Bf1 Qxd5 27. h4 Bh6 28. h5 {
intending hxg6.} Bxf4 29. hxg6 hxg6 30. Qxa6 $2 {[#]} (30. Rh3 $19) 30... Qf3 {
Weighted Error Value: White=0.75/Black=0.03} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.5"]
[White "Ding, Liren"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2836"]
[BlackElo "2742"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,16,29,29,29,37,26,10,19,11,2,0,0,0,0,0,0,-8,-9,0,6,-11,20,0,-9,
-21,-12,-8,-17,-21,-19,-25,-3,-18,0,-15,0,-9,0,0,0,-17,0,-19,-3,-19,-8,-55,-45,
-69,-53,-69,-24,-59,-55,-97,-89,-88,-88,-89,-89,-74,-75,-81,-108,-93,-34,-34,
-34,-34,-31,-32,-39,-373,-360,-573,-536,-912,-875,-888,-777,-889,-791,-702,
-442,-1057,-1057,-1057,-1057,-1042,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,
-32,-32,-32,-32,-32,-32,-32,-17,-17,0,0,0,0,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 d5 6. cxd5 {E60: King's Indian:
Unusual lines and Fianchetto Variation without Nc3.} Nxd5 7. e4 Nb6 8. O-O {
White has an edge.} Bg4 9. Nbd2 e5 10. Nxe5 {[%mdl 64] Discovered Attack} Bxe2
11. Qxe2 Qxd4 12. Ndf3 Qb4 13. Bf4 Re8 14. Rfe1 Na6 15. a3 {[%cal Ba2a3,Ba3a4,
Ba4a5][%mdl 32]} Qe7 {[#]} 16. a4 $146 ({Predecessor:} 16. Rac1 Nc5 17. Qb5 Ne6
18. Bg3 c6 19. Qa5 Ng5 20. Nxg5 Bxe5 21. Qxe5 Qxe5 22. Bxe5 Rxe5 {0-1 (60)
Poysti,N (2172)-Xiang,Z (2436) Graz 2019}) 16... Nc5 17. a5 Nbd7 {[%cal Rd7e5]}
18. Bg5 Qe6 19. Nxd7 Qxd7 20. e5 $1 Qf5 {White should prevent ...Nd3.} 21. Rad1
Nd7 {[%cal Rd7e5]} 22. Bf4 Rad8 23. g3 Nf8 24. Nd4 Qc8 25. Qc4 h6 26. h4 a6 27.
b4 Qg4 {aiming for ...g5.} 28. Qe2 ({Don't go for} 28. Qxc7 $2 Ne6 $19) 28...
Qxe2 29. Nxe2 Rxd1 30. Rxd1 Ne6 31. Be3 Rd8 32. Rxd8+ Nxd8 $15 {[%mdl 4096]
Endgame KBN-KBN} 33. Nc1 Nc6 34. Nd3 Nxe5 35. Nxe5 Bxe5 36. Bxh6 $17 {KB-KB}
Bc3 37. Bf4 b5 (37... c5 $1 $17 {[%cal Rc5b4]} 38. bxc5 Bxa5) 38. Bxc7 $15 Bxb4
39. Kf1 f5 40. Ke2 Kf7 41. Kd3 $2 {[%mdl 8192]} (41. f3 $1 $15) 41... Ke6 $19
42. Ke2 (42. Bb6 $142 Kd5 43. Bc7) 42... Kd5 43. f3 {[#]} Be7 $1 44. Kd3 b4 {
[%cal Bb5b4,Bb4b3][%mdl 32]} 45. Bf4 Bf6 46. Bd2 b3 47. g4 (47. Be1 $142 Kc6
48. g4) 47... fxg4 48. fxg4 Bxh4 49. Kc3 {[#]} Bd8 $2 (49... b2 $1 $19 {
[%cal Rb2b1][%mdl 512]} 50. Kxb2 Kc4) 50. Kxb3 $15 Kc5 {Hoping for ...Kb5.} 51.
Ka4 $1 Kc4 52. Be3 Be7 53. Bb6 Bd6 54. Bd8 Bf8 55. Bf6 Bc5 56. Bd8 Bf2 57. Bf6
Be1 58. Bd8 Kd3 59. Kb3 {The position is equal.} Ke4 60. Kc4 Kf4 61. g5 {
Cut Off at move 61} Bxa5 62. Bxa5 Kxg5 $11 {KB-KPP} 63. Kc5 Kf5 64. Kb6 g5 65.
Kxa6 g4 66. Bc7 Ke4 67. Bb8 Kf3 68. Bc7 g3 {[#]} 69. Bxg3 $1 {[%mdl 512]
Whites escaped into a draw.  Weighted Error Value: White=0.44/Black=0.21}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.6"]
[White "Giri, Anish"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2731"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,136,10,-5,3,6,6,0,8,9,14,12,1,0,0,0,0,0,10,0,0,0,25,7,31,33,41,14,14,
9,57,54,53,49,56,50,85,60,84,59,68,70,74,72,76,73,83,81,89,75,69,74,83,89,85,
80,107,84,74,32,38,29,29,22,23,22,66,22,22,22,47,23,66,78,75,43,75,0,76,43,65,
0,0,0,0,0,0,0,0,0,0,0,58,58,58,58,58,48,55,0,48,29,29,10,48,10,10,0,48,48,48,
48,48,34,34,34,58,58,58,10,10,10,10,0,10,0,10,0,10]} 1. Nf3 d5 2. g3 g6 3. Bg2
Bg7 4. O-O e5 5. d3 Ne7 6. c4 dxc4 {A07: Réti Opening: New York and Capablanca
Systems.} 7. dxc4 O-O 8. Nc3 Nbc6 {[#]} 9. Rb1 $146 ({Predecessor:} 9. Bd2 Be6
10. b3 h6 11. Qc1 Kh7 12. Rd1 Qc8 13. Qa3 f5 14. Nd5 Rf7 15. Bc3 {1-0 (48)
Repka,C (2488)-Gelfand,B (2676) Lichess.org INT 2020}) 9... Bf5 10. e4 Bg4 11.
h3 Bxf3 12. Bxf3 Nd4 13. Bg2 c6 14. Be3 Qd7 15. Ne2 Rad8 16. Nxd4 exd4 17. Bg5
h6 18. Bxe7 Qxe7 19. Qd3 f5 20. exf5 gxf5 21. Rbe1 Qf7 22. Bf3 Rde8 23. b3 Re6
24. Qd1 Rxe1 25. Rxe1 Re8 26. Rxe8+ Qxe8 27. Be2 f4 28. g4 a5 29. Bd3 Qe5 30.
Kg2 Bf6 31. Bc2 Kf8 32. Qd3 h5 33. Bd1 hxg4 34. Bxg4 Kg7 35. Kf1 b5 36. Bd1 b4
37. Be2 Kf8 38. Qf3 c5 39. Bd3 Kg7 40. Qb7+ Qe7 41. Qg2+ Kf8 42. Qa8+ Kg7 43.
Qg2+ Kf8 44. Qg6 Qe5 45. h4 (45. Qh6+ $14 Ke7 46. Qh7+ Kd8 47. Qa7) 45... f3 $1
$11 46. Qg4 Qh2 {[#] ( -> ...Qh1+)} 47. Qxf3 Qxh4 48. Ke2 Qg5 49. Be4 Kg7 50.
Qh3 d3+ (50... Be7 $11) 51. Bxd3 $14 Bd4 52. Qd7+ Kf8 53. Qc8+ Kf7 54. Qh3 ({
White should play} 54. Qb7+ $14 Qe7+ 55. Qxe7+ Kxe7 56. f4) 54... Qe5+ 55. Kf1
Qf4 {[%csl Gd4][%cal Rf4f2] [#]} 56. Qd7+ Kf8 {[%csl Gd4][%cal Rf4f2]} 57. Qd8+
Kf7 {[%csl Gd4][%cal Rf4f2]} 58. Qd7+ Kf8 {[%csl Gd4][%cal Rf4f2]} 59. Qf5+
Qxf5 60. Bxf5 {[%mdl 4096] Endgame KB-KB} Ke7 61. Ke2 {Cut Off at move 61} Kf6
62. Bd7 Ke7 63. Ba4 Kf6 64. f3 Ke5 {The position is equal.} 65. Kd3 Kf4 66. Ke2
Ke5 67. Kd3 Kf4 68. Ke2 Ke5 {Weighted Error Value: White=0.11/Black=0.11}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.7"]
[White "Karjakin, Sergey"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2709"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,18,7,12,8,17,9,23,0,2,0,0,0,17,3,3,2,8,-43,-51,-55,-44,-87,-50,
-57,-46,-59,-68,-77,-69,-83,-39,-45,-39,-35,0,-15,0,-49,-24,-45,-59,-77,-66,
-71,-83,-82,-83,-92,-84,-88,-79,-77,-15,-19,0,0,0,0,77,11,74,75,134,129,139,
143,141,137,151,117,125,98,200,203,201,175,167,70,146,129,6470,6411,29994,
29995,29995,29996]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3
O-O 7. h3 {Recently 7.Re1 got a lot of attention.} h6 8. Nbd2 a5 {C54: Giuoco
Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Re1 Be6 10. Bb5 Bb6 {
The position is equal.} 11. Ba4 Nd7 12. Nf1 f5 13. exf5 Bxf5 14. Ng3 {[#]} Bh7
$146 ({Predecessor:} 14... Bg6 15. Be3 Kh8 16. d4 exd4 17. Nxd4 Nxd4 18. Bxd4
Bxd4 19. cxd4 Nb6 20. Bc2 Qf6 21. Bxg6 Qxg6 {1/2-1/2 (56) Matlakov,M (2401)
-Ponkratov,P (2378) Satka 2005}) 15. d4 exd4 16. Bxc6 (16. cxd4 $11 Nf6 17. Ne2
) 16... bxc6 $15 17. cxd4 a4 18. Qe2 Kh8 19. Be3 Nf6 20. Qc4 Nd5 21. Bd2 Qd7
22. Rac1 Ne7 23. a3 Bg8 24. Qd3 Bh7 25. Qc4 Bg8 26. Qd3 Rf7 27. Re2 Raf8 28.
Rce1 Bh7 29. Qc4 Ng6 $1 30. Nh2 ({But not} 30. Qxa4 $2 Rxf3 31. Ba5 (31. gxf3
$2 Nh4 $19) 31... Bxa5 $19) 30... c5 $1 {[%cal Rc5d4]} 31. d5 Nf4 32. Bxf4 Rxf4
33. Qc3 {aiming for Re7.} R4f7 (33... Qb5 $1 $17 34. Re7 R4f7 35. Rxf7 Rxf7)
34. Ng4 $11 Kg8 {Strongly threatening ...Qb5.} 35. Nh5 $1 {[%cal Rh5g7]} Bg6 {
[#]} 36. Nf4 $1 {[%cal Rf4g6][%mdl 512]} Bf5 ({Reject} 36... Rxf4 $6 37. Re7
$16) (36... Ba5 $1 $11 37. Qxa5 Rxf4) 37. Ne6 ({Better is} 37. Ne3 $1 $16)
37... Ra8 (37... Rb8 $11) 38. Qg3 $1 $36 {[%mdl 2048] Keeping Black busy.} Kh7
{[#]} ({Black should try} 38... Kh8) 39. Qh4 $1 {Threatens to win with Nxg7!}
Kg8 40. Re3 {Black must now prevent Nxh6+!} c4 41. Rf3 Bxg4 42. Qxg4 Rxf3 43.
gxf3 Ra5 (43... Qe7 $16) 44. Qxc4 $18 {Re4 is the strong threat.} Qf7 45. Qe4
Qh5 {[#]} 46. Nf4 (46. Nxg7 $1 $18 Kxg7 47. Qe7+ Qf7 48. Qd8) 46... Qg5+ (46...
Qe5 $1 $14) 47. Kf1 $16 Qe5 $2 {[%mdl 8192] [#]} (47... Ra8 $16) 48. Qg6 $1 $18
Qxf4 49. Re8+ Qf8 50. Qe6+ {Weighted Error Value: White=0.10/Black=0.34} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "6.8"]
[White "Nakamura, Hikaru"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2829"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,92,19,12,10,19,19,27,0,7,9,13,12,18,8,22,18,0,0,2,0,12,0,141,152,134,
131,152,144,143,84,89,92,89,70,99,72,41,55,102,0,0,0,0,0,0,-792,-747,-751,-745,
-750,-552,-732,-708,-716,-635,-853,-853,-794,-767,-878,-878,-878,-878,-878,
-878,-878,-823,-812,-804,-783,-774,-773,-751,-1364,-1279]} 1. c4 Nf6 2. Nc3 e5
3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10.
d3 Bf8 11. Re1 {A29: English Opening: Four Knights Variation with 4 g3.} a5 12.
b5 Nd4 {[#]} 13. Nd2 $146 {White has an edge.} ({Predecessor:} 13. Rb1 Bg4 14.
Nd2 Qc8 15. Nf1 a4 16. Ne3 Be6 17. Ned5 Nxd5 18. Bxd5 c6 19. Bxe6 Rxe6 {
0-1 (33) Dushin,N (1956)-Doshi,M (2222) St Petersburg 2017}) 13... a4 14. Rb1
Ra7 15. e3 Ne6 16. Nf3 Ng5 17. Nxg5 Qxg5 18. Bb2 Be6 19. Ne4 Qd8 20. f4 f5 (
20... exf4 $11 21. exf4 (21. gxf4 h6 $11) 21... h6) 21. Ng5 $16 {And now Qh5
would win.} Ba2 22. Ra1 Bb3 23. Qh5 {[%csl Gg5][%cal Rh5h7]} h6 {[#]} 24. Nf3 (
{Better is} 24. Bh3 $1) 24... exf4 25. gxf4 Ra5 26. Nd4 Bf7 $1 {[%cal Rf7h5]}
27. Qh3 ({Don't play} 27. Qxf5 $6 c5 $11) 27... Nd5 28. Qg3 ({Don't go for} 28.
Qxf5 $2 Nxe3 29. Qh3 Bc5 $19) 28... Qf6 29. Rac1 ({White should play} 29. Rab1
$16) 29... Rxb5 $1 $11 {[%mdl 64] Decoy} 30. Nxb5 Qxb2 {[%mdl 64] Double Attack
} 31. Bxd5 Bxd5 32. Nxc7 $2 {[%mdl 8192] [#]} (32. Rb1 $11 Qc2 33. Rbc1) 32...
Rxe3 $1 $19 {[%mdl 512] Black is clearly winning.} 33. Nxd5 (33. Rxe3 Qxc1+)
33... Rxg3+ 34. hxg3 Qd4+ 35. Ne3 Bxa3 36. Rc4 Qd7 37. Kf2 b5 38. Rc2 b4 39.
Ra1 b3 40. Rxa3 bxc2 41. Nxc2 {[%mdl 4096] Endgame KQ-KRN} Qb5 42. Ke2 Qc5 43.
Ra2 Qd5 44. Rxa4 Qg2+ 45. Kd1 Qxg3 46. Kd2 h5 {What a bad dream for White. 
Weighted Error Value: White=0.50/Black=0.13} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.1"]
[White "Le, Quang Liem"]
[Black "Vachier-Lagrave, Maxime"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2744"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,50,20,14,13,7,2,9,18,8,12,7,15,0,0,54,49,56,39,53,18,50,0,0,4,46,49,
45,45,34,42,48,-16,-13,-12,-12,-182,-183,-438,-427,-29991,-29992]} 1. e4 c5 2.
Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 {B91: Sicilian Najdorf:
6 g3.} Be7 8. Bg5 Be6 {[#]} 9. f4 $146 {The position is equal.} ({Predecessor:
} 9. Bxf6 Bxf6 10. h4 O-O 11. Qd2 a5 12. a4 Na6 13. O-O-O Qb6 14. Bb5 Rfd8 15.
Rhe1 {0-1 (55) Rakotomaharo,F (2438)-Di Nicolantonio,L (2408) Paris 2019}) 9...
exf4 10. Bxf4 Nc6 11. Qd2 O-O 12. O-O-O Ne5 (12... Rc8 $11) 13. Nd4 $14 Bd7 14.
Kb1 Rc8 15. h3 b5 16. a3 Qb6 17. g4 b4 18. axb4 Qxb4 19. g5 $1 {[%cal Rg5f6]}
Rxc3 $1 20. gxf6 Rb8 {[%csl Gb8][%cal Rb4b2] [#]} 21. Nb3 ({Better is} 21. Nb5
$1 $14 {[%mdl 512]} Bxb5 (21... axb5 22. Bxe5) 22. Qxc3 Qxc3 23. bxc3 Bxf1+ 24.
Kc1 Bxf6 25. Rhxf1) 21... Rxb3 $40 {[%mdl 128] Black mounts an attack.} 22.
cxb3 {Hoping for Qxb4.} Qxe4+ {[%mdl 64] Double Attack} 23. Ka1 $2 (23. Bd3 $11
{and White stays safe.} Nxd3 24. Qxd3 Qxd3+ 25. Rxd3) 23... Bxf6 $19 (23...
Qxh1 $2 {perishes.} 24. fxe7 Qb7 25. Qxd6 $18) 24. Bg2 $2 (24. Bxe5 Rxb3 25.
Bxf6 (25. Qxd6 $2 Bxe5 26. Qxa6 Bxb2+ 27. Ka2 Rb8 $19) 25... Qa4+ 26. Kb1 Bf5+
27. Bd3 Rxd3 {[%mdl 64] Remove Defender} 28. Qxd3) 24... Nf3 25. Qe3 {[#]} ({
But not} 25. Qxd6 $2 Rxb3 26. Qxf6 gxf6) (25. Rhe1 $19 Qxe1 26. Bxf3 Qxd2 27.
Rxd2) 25... Qc2 $1 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.68/
Black=0.12} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.2"]
[White "Vidit, Santosh Gujrathi"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2636"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "270"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,270,16,2,10,12,24,6,10,0,13,4,11,8,1,6,8,0,6,0,0,0,5,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,-9,-2,-4,-6,-35,-35,-35,-33,-52,0,0,0,0,0,0,0,-33,-31,-29,
-29,-31,-28,-64,-64,-65,-65,-65,-65,-65,-65,-65,-65,-82,-82,-82,-82,-82,-82,
-82,-82,-82,-82,-82,-82,-82,-82,-92,-82,-82,-82,-82,-82,-82,-82,-82,-82,-82,
-73,-73,-73,-70,-69,-69,-69,-69,-69,-69,-66,-69,-64,-65,-28,-66,-56,-71,-63,
-63,-56,-56,-55,-56,-56,-73,-73,-111,-111,-112,-120,-135,-135,-135,-135,-135,
-135,-142,-135,-135,-135,-135,-135,-137,-135,-136,-136,-136,-136,-137,-137,
-137,-137,-137,-137,-145,-144,-145,-144,-145,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-7,
-8,0,-8,-8,-44,-44,-45,-44,-45,-45,-45,-45,-45,-45,-45,-45,-45,-8,-8,-8,-8,-8,
-8,-8,-8,-8,-45,-45,-45,-45,-45,-8,-45,-45,-45,0,-45,-45,-45,-8,-8,-8,-8,0,-8,
-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,-8,-8,-8,0,-8,-8,-8,0,0,0,-8,0,0,0,-8,-8,-8,0,
0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5.
Bf4 O-O 6. e3 Nbd7 {6...b6 is the recent fashion.} 7. Be2 dxc4 {D37: Queen's
Gambit Declined: 5 Bf4.} 8. O-O Nb6 9. a4 a5 {[#]} 10. Ne5 $146 ({Predecessor:
} 10. e4 Bb4 11. Qc2 Ne8 12. Rfd1 Nd6 13. Nd2 h6 14. Bxd6 cxd6 15. Nxc4 Nxc4
16. Bxc4 {1/2-1/2 (32) Clowes,M (2357)-Fuzishawa,R (2353) ICCF email 2016})
10... Nfd5 11. Bg3 c5 12. Nxc4 Nxc4 13. Bxc4 cxd4 14. exd4 Bb4 15. Rc1 Nb6 16.
Bb3 Bd7 17. d5 Bxc3 18. Rxc3 {Black must now prevent Bc7.} Nxd5 19. Bxd5 exd5
20. Qxd5 Bc6 21. Qxd8 Rfxd8 22. b3 Rd5 23. h3 h5 24. Rfc1 Rad8 25. h4 f6 26.
Bc7 R8d7 27. Bb6 Re5 28. Re3 Rxe3 29. Bxe3 $15 {[%mdl 4096] Endgame KRB-KRB}
Rd3 30. Rc5 g6 ({Black should play} 30... Rxb3 $15 31. Rxa5 g6) 31. Rxa5 $11
Rxb3 32. Ra8+ Kf7 33. a5 Ra3 34. Bf4 Ra4 35. Bg3 g5 36. hxg5 fxg5 37. f3 Ra1+
38. Kh2 Ra2 {...h4 is the strong threat.} 39. Kg1 g4 40. Bf2 gxf3 41. gxf3 Bxf3
42. Bc5 Bc6 43. Bb6 Kg7 44. Bd4+ Kg6 45. Rg8+ Kf5 46. Rf8+ Kg4 47. Bb6 Rg2+ 48.
Kf1 Rc2 49. Kg1 Bd5 50. Rf2 Rc6 51. Rd2 Be4 52. Kf2 h4 {And now ...h3 would
win.} 53. Ke3 Re6 54. Rd4 h3 55. Bc7 Kf5 56. Bh2 Bc6+ 57. Kf2 Rg6 {Hoping for .
..Rg2+.} 58. Ke3 Rg2 59. Rd2 Rg8 60. Rf2+ Ke6 61. Ra2 {Cut Off at move 61} Bd5
62. Rb2 Ra8 63. Rb6+ Kf7 64. Rb5 $1 {[%cal Rb5d5]} Bg2 65. Kf2 Ke6 66. Rh5 Rf8+
67. Ke3 Rf3+ 68. Kd4 Ra3 69. Kc4 Kf6 70. Kb4 Ra2 71. Bb8 Kg6 72. Rh8 Kf5 73.
Kb3 Ra1 74. Kb2 Rd1 75. Kc3 Ke4 76. Rh6 Ke3 77. a6 {[#]} bxa6 $1 78. Rxa6 Rc1+
79. Kb2 Rc8 80. Bh2 Be4 81. Ra3+ {[#]} Bd3 $1 {Threatens to win with ...Rc2+.}
82. Kb3 Rc1 83. Ra8 Rh1 84. Bd6 h2 ({Black should try} 84... Rb1+ $17 85. Kc3
Rc1+ 86. Kb3 Rc6) 85. Bxh2 Rxh2 {KRB-KR} 86. Rd8 Rh5 87. Rb8 Rh1 88. Kb4 Rc1
89. Rb6 Bc4 90. Kc5 Bd3+ 91. Kd6 Kd4 92. Rb4+ Bc4 93. Rb7 Rh1 94. Re7 Rh6+ 95.
Kc7 Kc5 96. Re5+ Bd5 97. Re7 Ra6 98. Kd8 Bc6 (98... Kd6 {looks sharper.} 99.
Rd7+ Ke6 100. Re7+ Kf6 101. Re2 Ra7) 99. Rg7 Ra1 100. Ke7 Re1+ 101. Kf6 Kd6
102. Rg5 Be4 103. Rg3 Rf1+ 104. Kg5 Rf8 105. Kh4 Ke5 106. Kg5 Rh8 107. Kg4 Rf8
108. Kg5 Bf3 109. Kh4 Kf4 {[%cal Rf8h8]} 110. Rg4+ $1 {The position is equal.}
Ke3 111. Rg7 $1 Kf4 112. Rg4+ $1 Kf5 113. Rg5+ Kf6 (113... Ke4 {keeps more
tension.} 114. Rg1 Rb8 115. Kg3 Ke3 116. Re1+ Be2) 114. Rg1 Rh8+ 115. Kg3 Be4
116. Kf4 Bf5 117. Rg2 Rh4+ 118. Ke3 Ke5 119. Rb2 Rh3+ 120. Kd2 Bd3 121. Kc3
Bf1+ 122. Kd2 Kd4 123. Ke1 Rh1 124. Kd2 (124. Rb6 {is interesting.} Kc5 125.
Rf6 Bd3+ 126. Kd2 Bb1 127. Rf2) 124... Rh3 125. Ke1 Bc4 126. Kd2 Bb3 127. Kc1
Kc4 128. Rf2 Kc3 {( -> ...Rh1+)} 129. Rc2+ Kb4 130. Rf2 Rd3 131. Kb2 Bd5 132.
Kc1 Ra3 133. Kd2 Kc5 134. Kc1 Kd4 135. Rd2+ Kc3 {Weighted Error Value: White=0.
04/Black=0.03} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.3"]
[White "So, Wesley"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2741"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,19,14,16,44,34,58,19,34,35,66,68,68,75,110,106,123,117,125,124,
134,119,140,134,140,141,144,140,160,151,164,110,204,166,157,167,183,164,185,
179,181,180,200,168,206,212,172,200,219,118,163,106,98,127,103,119,158,147,195,
0,0,0,196,178,253,252,236,231,270,249,277,0,252,0,225,0,259]} 1. e4 c5 2. Nf3
d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qe2 {
Recently 9.Nd5 got a lot of attention. B56: Classical Sicilian: Unusual Lines.}
O-O 10. O-O-O Qc8 11. a3 {[#] White is slightly better.} a5 $146 ({Predecessor:
} 11... Rb8 12. Kb1 b5 13. Nd5 Bd8 14. Nxf6+ Bxf6 15. Rxd6 Qc7 16. Rd1 a5 17.
Nc5 Nd4 18. Bxd4 exd4 19. Nxe6 fxe6 {1/2-1/2 (48) Dastan,B (2565)-Nihal,S 
(2610) Konya 2019}) 12. Qb5 Bd7 13. Kb1 a4 14. Nc1 Ra5 15. Qe2 Be6 16. Bb6 Ra8
{[#]} 17. N1a2 $1 Re8 18. g4 Na5 19. Qd2 ({But not} 19. Nxa4 $2 Nc4 $17) 19...
Nc4 20. Bxc4 Bxc4 21. Nb4 Bf8 22. h4 Qe6 {And now ...d5 would win.} 23. g5 (23.
Be3 $18) 23... Nd7 (23... d5 $16 {was called for.}) 24. Be3 b5 25. h5 Rec8 26.
Rdg1 Rab8 27. Ncd5 Rb7 28. Qg2 Re8 29. Rh3 f5 30. exf5 Qxf5 31. Rh4 Qe6 32. Qd2
(32. f4 $18) 32... Kh8 33. Rhg4 (33. Rd1 $18) 33... Nc5 $16 34. f4 Ne4 35. Qd1
Qf5 36. R1g2 Rc8 37. Nb6 $2 (37. Bc1 $18) 37... Rcb8 $1 $11 38. N6d5 $2 ({
Much worse is} 38. Nxc4 bxc4 39. h6 c3 $17) (38. N4d5 $11) 38... Rc8 $18 39.
Bc1 Nc5 {[#]} (39... Bxd5 $142 40. Nxd5 (40. Qxd5 Rbc7 $16) 40... b4 41. axb4
Rc4) 40. Ne3 $1 {[%cal Re3f5]} Qd7 41. f5 Bg8 42. Nbd5 Qc6 43. Nb4 Qd7 44. Nbd5
Qc6 $1 45. Nb4 Qd7 {[%mdl 32768] Weighted Error Value: White=0.31/Black=0.15.
An unexpected result.} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.4"]
[White "Svidler, Peter"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2742"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,0,20,38,41,24,26,33,20,20,17,106,102,91,102,97,86,95,84,86,27,12,
2,45,39,54,53,66,60,60,68,58,14,14,14,14,0,39,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,
17,3,7,0,21,21,22,22,20,10,29,20,22,0,31,0,28,0,28]} 1. Nf3 d5 2. g3 g6 3. Bg2
Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Qb3 a5 8. Nc3 a4 9. Qb4 dxc4 10. Qxc4 b5 {
D78: Fianchetto Grünfeld: 6 0-0 c6.} 11. Qd3 b4 12. Ne4 Ba6 {White has an edge.
} 13. Nxf6+ exf6 14. Qc2 b3 (14... Bb5 $11) 15. axb3 $16 axb3 {[#]} 16. Qc3 $1
({Reject} 16. Qxb3 $6 Bc4 $11) 16... Nd7 17. Re1 {[#]} Re8 $146 ({Predecessor:
} 17... c5 18. Qxb3 Rb8 19. Qc2 Qc8 20. Bf4 Rb4 21. Bd6 Rd8 22. b3 f5 23. dxc5
Bxa1 24. Rxa1 {1-0 (45) Gagunashvili,M (2547)-Ni,H (2638) Wuxi 2005}) 18. Qxc6
Nb6 19. Rxa6 ({White should try} 19. Nd2 $16) 19... Rxa6 $11 20. Qb5 Ra1 21.
Nd2 Nc8 22. Nxb3 Nd6 23. Qd3 Ra7 24. Bf4 Qb6 25. Bxd6 Qxd6 26. e3 Rc8 27. Qe2
f5 28. Rb1 Qb4 29. Nc5 Bf8 30. Nd3 Qb3 31. Qd1 Rb8 32. Rc1 Qxd1+ 33. Rxd1 Bd6
34. Bd5 Ra5 35. Bc4 Rba8 36. Kg2 Ra1 37. Rd2 Rb1 38. h4 Kg7 39. Kf3 h6 40. Rc2
Ra7 41. Bd5 Rc7 42. Bc4 Ra7 43. Bd5 Rc7 44. Bc4 Ra7 {Weighted Error Value:
White=0.10/Black=0.10} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.5"]
[White "Nepomniachtchi, Ian"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5
Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 {[#]} 11. Qe4+ $146 ({
Predecessor:} 11. Qe3+ Be6 12. Nc3 a6 13. Rd1 Qc5 14. Qg3 f6 15. Bf4 Rc8 16.
Re1 Kf7 17. Rxe6 Kxe6 18. Qh3+ f5 19. Ne4 Qd5 20. Nc3 Qd7 21. Rd1 Bd6 22. Rd5
g6 23. Ne4 Kxd5 24. Qb3+ Kc6 25. Qc4+ Kb6 {0-1 (25) Andreikin,D (2726)
-Nakamura,H (2736) chess.com INT 2020}) 11... Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14.
Qd4 Qd6 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.6"]
[White "Carlsen, Magnus"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2881"]
[BlackElo "2774"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,19,26,25,26,18,22,16,18,15,20,19,22,14,22,12,17,14,14,7,24,0,0,0,0,
0,21,34,30,41,27,0,61,62,102,100,100,100,93,105,93,93,100,87,102,33,70,64,78,
72,65,80,66,73,72,61,78,85,66,63,110,34,199,198,264,264,264,264,297,297,309,
318,331,335,416,412,402,384,589,570,603,593,655,670,752,731,779,768,866,858]} 
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. b3 {D30: Queen's Gambit
Declined: Systems without Nc3.} b6 7. O-O Bb7 8. Bb2 {The position is equal.}
Bd6 9. Nbd2 O-O 10. Qe2 $1 {[%mdl 4] is recently more successful than 10.Ne5.}
Qe7 11. Ne5 Rad8 12. Rad1 c5 13. f4 cxd4 14. exd4 g6 {[#]} 15. a4 $146 ({
Predecessor:} 15. g3 Ba3 16. Bc3 Nb8 17. Ndf3 Nc6 18. Ba1 Nb4 19. Bb1 Rc8 20.
Rde1 Nc6 21. Nxc6 Bxc6 {1/2-1/2 (29) Nouveau,L (2339)-Pekin,T (2238) ICCF
email 2017}) 15... Nh5 16. cxd5 Bxd5 17. Ndc4 Ndf6 18. Nxd6 Qxd6 19. Nc4 Qb8
20. Qe5 Qa8 (20... Ng4 $11 21. Qe2 Ngf6) 21. Rd2 $14 Be4 {[#]} 22. Bxe4 $1 Qxe4
23. Ba3 Rd5 24. Qxe4 ({Much worse is} 24. Bxf8 $6 Rxe5 25. fxe5 Kxf8 $11) 24...
Nxe4 25. Re2 Rxd4 26. Bxf8 Kxf8 27. Re3 (27. a5 $16) 27... Nhf6 28. Ne5 Nd5 29.
Rd3 Rxd3 30. Nxd3 $16 {[%mdl 4096] Endgame KRN-KNN} Nd2 31. Rc1 $1 Nxb3 32.
Rc8+ Kg7 33. Ra8 {[%mdl 1024] White has strong compensation.} a5 34. Ra7 $1 Kf8
35. g3 (35. Ne5 $16) 35... Nd4 $2 {Loses the game.} ({Black should play} 35...
Ke8 $14) 36. Ne5 $18 f6 {[#]} (36... Kg8 $142 37. Nxf7 Nc3 38. Nh6+ Kf8) 37.
Nd7+ $1 Ke8 38. Rb7 h6 39. Nxb6 Nc3 40. Ra7 Nb3 41. Kg2 g5 42. fxg5 fxg5 43.
Rh7 e5 (43... Nc5 $142 44. Rxh6 Kf7 45. Rh7+ Kf6) 44. Rxh6 {White is clearly
winning.} Kf7 45. Rc6 Nd1 46. Nc4 e4 47. Nd6+ {[%mdl 64] Double Attack} Ke6 48.
Nxe4+ Kd5 49. Rd6+ {Weighted Error Value: White=0.07/Black=0.31} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.7"]
[White "Radjabov, Teimour"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2758"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,6,8,8,24,20,25,12,28,24,18,13,13,20,18,21,38,45,41,30,43,39,88,84,
97,98,311,275,299,274,278,137,140,146,327,314,435,444,427,445,408,361,347,363,
370,368,360,361,331,331,501,484,682,677,672,676,685,657,652,652,624,605,576,
516,792,784,29984,29985,29990,29991,29990,817]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4.
Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 {6...b6 is a critical line.} 7. a3 {D37: Queen's
Gambit Declined: 5 Bf4.} c6 8. Be2 dxc4 9. Bxc4 {White has an edge.} b5 10. Bd3
a6 11. b4 a5 12. Rb1 $1 {[#]} axb4 $146 ({Predecessor:} 12... Nb6 13. e4 Bb7
14. O-O axb4 15. axb4 Ra3 16. Qc2 h6 17. Be3 Qa8 18. Ne5 Re8 {0-1 (43) Sarana,
A (2410)-Vaishali,R (2307) Ulaanbaatar 2015}) 13. axb4 Bb7 14. Qc2 Nb6 15. e4
Nc4 {...Na3 is the strong threat.} 16. Bc1 Nd7 17. e5 f5 18. exf6 $1 Bxf6 $2 (
18... Nxf6 $16 19. O-O Na3 20. Bxa3 Rxa3) 19. Bxh7+ $18 Kh8 20. Be4 e5 21. d5 (
21. O-O $18 {has better winning chances.}) 21... cxd5 $16 22. Nxd5 Qc8 $2 {
This move loses the game for Black.} (22... Rc8 $16) 23. Qe2 Nd6 24. Ng5 $1 ({
Less strong is} 24. Nxe5 Kg8 $16) 24... Qxc1+ 25. Rxc1 {White wants to mate
with Qh5+.} Bxg5 26. Rd1 ({Not} 26. Qh5+ Bh6 $16) 26... Nxe4 27. Qxe4 Nf6 28.
Qg6 Bxd5 29. Qxg5 Bc4 {intending ...Ra2.} 30. Rc1 Bd3 (30... Rfd8 {was
necessary.} 31. f3 (31. Qxe5 $2 Re8 $17) 31... Rd4) 31. Rc7 $18 {[%csl Gc7]
[%cal Rg5g7]} Rg8 (31... Ra1+ $142 32. Kd2 Ne4+ {[%mdl 64] Discovered Attack}
33. Kxd3 Nxg5 34. Rxa1 Rxf2) 32. Qh4+ Nh7 33. Kd2 Rad8 34. Rhc1 Bc4+ 35. Ke1
Rd4 36. Qe7 Re4+ 37. Kd2 Nf6 (37... Re2+ $142 38. Kd1 Rxf2) 38. Rc3 {Intending
Qxf6! and mate.} Re2+ 39. Kd1 {White mates.} Rxf2 40. Rh3+ Nh7 {[#]} 41. Rxh7+
$1 {Weighted Error Value: White=0.10/Black=0.36} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "7.8"]
[White "Anton Guijarro, David"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2667"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,34,48,38,46,54,45,40,51,31,32,39,40,51,81,49,46,50,56,58,78,79,74,
62,168,187,254,258,264,262,293,228,268,194,206,151,187,182,191,200,191,186,172,
-77,0,0,0,0,0,-770,-731,-29992,-29993,-29994,-29987,-29995,-29996,-29996,
-29997,-29997,-29998]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Be3
{E71: King's Indian: 4 e4 d6 5 h3.} e5 7. d5 Nc5 8. f3 {White is slightly
better.} Nh5 9. Nge2 $1 O-O {[#]} 10. Qd2 $146 ({Predecessor:} 10. g4 Nf4 11.
Nxf4 exf4 12. Bxc5 dxc5 13. Qc2 Qh4+ 14. Qf2 Qxf2+ 15. Kxf2 Bd4+ 16. Ke1 {
1/2-1/2 (43) Molina,R (2454)-Perdomo,L (2463) Caioba 2019}) 10... f5 11. exf5
gxf5 12. g4 Nf4 {White must now prevent ...Qh4+.} 13. O-O-O Nfd3+ 14. Kb1 f4
15. Bxc5 Nxc5 16. b4 e4 ({Black should try} 16... Nd7 $14) 17. bxc5 $18 e3 (
17... exf3 {keeps fighting.} 18. Nd4 dxc5) 18. Qc2 dxc5 19. Ne4 c6 20. N2c3 ({
Much less strong is} 20. Nxc5 $6 Qb6+ 21. Nb3 a5 $16) 20... Qa5 21. Bd3 Rb8 22.
Qb3 Kh8 23. dxc6 Be6 {[#]} 24. c7 $1 {[%cal Rc7b8]} (24. cxb7 $6 Rf7 $14) 24...
Qxc7 25. Qa3 Bg8 {[#]} 26. Bc2 $2 ({Worse is} 26. Qxa7 Ra8 $17) ({Don't do} 26.
Nxc5 $6 Rfc8 $16) (26. Kc2 $1 $18) 26... b5 (26... Bxc4 $17 {Strongly
threatening ...b5.} 27. Rd6 Be5) 27. cxb5 $11 {Kc1 is the strong threat.} a6 $1
{[%cal Ra6b5]} 28. Qxa6 {Hoping for Rd6.} Ra8 $1 {[%cal Ra8a6]} 29. Qc6 $2 {
[%mdl 8192]} (29. b6 $11 Rfb8 30. Kc1) 29... Qa5 $19 {[%cal Rg8a2][%mdl 64]
Double Attack} 30. a4 Qb4+ {Black mates.} 31. Kc1 Qa3+ 32. Kb1 {[#]} Ba2+ $1 {
[%mdl 512]} 33. Ka1 (33. Nxa2 Qb2#) 33... Bxc3+ 34. Nxc3 Qxc3+ {[%mdl 64]
Double Attack.  Weighted Error Value: White=0.51/Black=0.13} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2860"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,20,20,0,43,0,35,-12,-3,-12,-20,-12,-14,-13,1,0,0,0,0,0,0,0,0,0,0,0,
1,0,0,0,0,0,26,5,13,12,127,0,0,0,0,0,0,0,0,0,10,10,8,8,17,11,14,8,11,10,11,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5
Bg7 5. d4 f6 6. Bd3 {B10: Caro-Kann: 2 d3 and 2 c4.} Nh6 {[#]} 7. O-O $146 {
With the idea exf6.} ({Predecessor:} 7. exf6 exf6 8. O-O O-O 9. Re1 Re8 10. Bf4
Nf7 11. Rxe8+ Qxe8 12. Nc3 g5 13. Qe1 {1-0 (51) Comp Novag-Frumkin,E (2005)
Chicago 1994}) 7... O-O 8. Re1 {White is slightly better.} fxe5 {[#] ...e4 is
the strong threat.} 9. Nxe5 Nf7 10. Nxf7 Rxf7 11. c3 Qd6 12. Nd2 Nd7 13. Nf3 e5
14. dxe5 Nxe5 15. Nxe5 Bxe5 16. g3 Bh3 17. Be3 b6 18. Qe2 Bg7 19. Qd2 Raf8 20.
a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kh8 21. a5 c5 22. axb6 Qc6 (22... axb6 $11 {
remains equal.} 23. Bc4 Rd7) 23. Bf1 (23. bxa7 $16 d4 24. f3 Rxf3 25. Bc4)
23... Bxf1 $11 {The position is equal.} 24. Rxf1 axb6 25. Bh6 Bxh6 26. Qxh6 Qf6
(26... Kg8 {looks sharper.} 27. Rad1 Rd7 28. Qe3 Qf6 29. Qe2 Kg7) 27. Rad1 Qf5
28. Qe3 Kg8 29. Rd2 Rd7 30. Re1 Rfd8 31. b4 d4 32. cxd4 cxd4 33. Qe6+ Qxe6 34.
Rxe6 Rd6 35. Rxd6 Rxd6 {[%mdl 4096] Endgame KR-KR} 36. Kg2 d3 37. Kf3 Rd4 38.
Ke3 Rxb4 39. Rxd3 Rb5 40. Rd8+ Kg7 41. Rd7+ Kg8 42. Rb7 Re5+ 43. Kd4 Re2 44. f4
{Weighted Error Value: White=0.09/Black=0.10} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.2"]
[White "Aronian, Levon"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2778"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,17,21,12,29,29,41,22,19,0,20,0,0,0,0,0,0,0,0,0,0,-13,77,81,78,59,
100,102,132,60,52,52,41,40,82,0,0,0,-2,-8,-5,-6,0,-25,-33,-78,0,-123,-122,-108,
-106,-125,-129,-127,-84,-202,-193,-217,-197,-196,0,-79,-85,-220,0,0,0,0,0,0,0,
0,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Bxc6 dxc6 7. Nbd2
{C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} Ng4 8. O-O Qe7 9. Nc4 {
White is slightly better.} f6 10. h3 h5 11. Nh4 {Strongly threatening Ng6.} (
11. hxg4 hxg4 12. Nh2 f5 $17) 11... Qf7 $1 12. Nf5 Bxf5 13. exf5 Nh6 {[#]} 14.
Be3 $146 ({Predecessor:} 14. Bxh6 Rxh6 15. Nd2 O-O-O 16. Qf3 Rg8 17. Ne4 Be7
18. Qe3 Kb8 19. f4 exf4 20. Qxf4 {1-0 (35) Ermenkov,E-Barle,J Groningen 1971})
14... Bxe3 15. fxe3 e4 16. Rf4 exd3 (16... O-O-O $11) 17. Re4+ $1 $16 (17. cxd3
O-O-O $11) 17... Kf8 18. Qxd3 Nxf5 19. Rf1 g6 20. Qa3+ (20. Ref4 $1 $16 Ke8 21.
Rd1) 20... Kg8 $1 $14 21. Ref4 $1 {[%mdl 1024] e4 is the strong threat. White
has compensation.} Re8 22. e4 Ng7 23. Qb3 (23. Qc3 $16 f5 24. exf5 Nxf5 25. Ne5
) 23... b5 $36 {[%mdl 2048] Black is pushing.} 24. Na5 Qxb3 25. axb3 f5 26.
Nxc6 {[%cal Re4f5]} fxe4 27. Nb4 Nf5 28. Nd5 Re5 {[#]} (28... Kg7 $17 29. g4
hxg4 30. hxg4 Re5) 29. Nxc7 (29. Ne3 $1 $11 {[%mdl 512] keeps the balance.})
29... Kg7 $17 30. Nxa6 Rd8 $1 31. Re1 e3 $1 32. Nb4 {Threatens to win with Nc6.
} Rd2 $1 33. h4 (33. c3 $17 {might work better.}) 33... Re6 34. c4 bxc4 ({
Don't play} 34... Rxb2 35. cxb5 Rd6 36. b6) 35. bxc4 {[#]} Rxb2 $2 ({Better is
} 35... Nd4 $1 $19 36. Kf1 Re8) 36. Nd5 (36. c5 $11) 36... Rd2 37. g4 {[#]} (
37. Nc3 $17) 37... Nxh4 $2 (37... Nd4 $1 $19 {aiming for ...Re4!} 38. Nxe3 Ne2+
39. Rxe2 Rxe2) 38. Nxe3 $11 {The position is equal.} g5 39. Rf2 Rxf2 40. Kxf2 {
Black must now prevent Nf5+.} hxg4 41. Nxg4 Rxe1 42. Kxe1 {Weighted Error
Value: White=0.26/Black=0.20} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.3"]
[White "Duda, Jan-Krzysztof"]
[Black "Radjabov, Teimour"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "2774"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,20,19,27,6,5,2,33,8,14,16,23,13,10,-11,0,-12,-14,-13,0,-22,-6,-2,
0,0,-14,-11,0,0,0,0,0,-48,26,27,41,29,14,-20,-12,-601,-601,-573,-578,-567,-545,
-29993,-29994,-29994,-29994,-29997,-2359,-1730,-2167,-1947,-1934]} 1. Nf3 Nf6
2. g3 g6 3. b3 Bg7 4. Bb2 c5 5. Bg2 d6 6. O-O e5 7. c4 O-O 8. Nc3 Nc6 9. d3 h6
10. Nd2 Be6 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} 11. Rc1
$5 {[%mdl 4] Leaves trodden paths.} Qd7 12. a3 {[#]} Rac8 $146 {The position
is equal.} ({Predecessor:} 12... Rad8) 13. Nd5 (13. b4 $5) 13... b6 14. Bc3 Bg4
15. Nxf6+ Bxf6 16. Ne4 Bg7 17. Bd2 f5 18. Nc3 f4 19. Bd5+ Kh8 20. f3 Bh3 21.
Rf2 Ne7 22. Be4 Nf5 23. gxf4 exf4 24. Bxf4 Bd4 25. Nd5 Qg7 (25... g5 $15 26.
Bd2 g4) 26. Bd2 $11 {Threatens to win with e3.} g5 $1 {[%cal Rg5g4] White must
now prevent ...g4.} (26... Bxf2+ 27. Kxf2 Qd7 28. Qg1 $16) 27. e3 g4 $1 {
[%cal Rg4f3] Strongly threatening ...gxf3+.} 28. fxg4 ({Reject} 28. exd4 gxf3+
29. Kh1 Bg2+ 30. Kg1 Rg8 $17) 28... Bxg4 29. Qe1 $2 {[%mdl 8192] [#] Loses the
game.} (29. Qf1 $11 Bf3+ 30. Rg2 Bxg2 31. Qxg2) 29... Bf3+ $1 $19 30. Kf1 {[#]}
Nh4 $1 31. exd4 Bg2+ 32. Ke2 Qg4+ {[%mdl 64] Double Attack} 33. Ke3 Bxe4 34.
Bc3 Ng2+ (34... Qh3+ $142 35. Rf3 Qxf3+ 36. Kd2 Qxd3#) 35. Kd2 Nxe1 36. dxc5+ {
[#]} Kg8 $1 {Weighted Error Value: White=0.58/Black=0.34} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.4"]
[White "Ding, Liren"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2836"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,98,25,31,30,37,30,20,24,20,16,18,12,25,19,99,92,87,100,96,95,92,92,97,
97,109,68,69,48,51,44,54,25,31,-10,-8,-13,18,4,7,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1.
d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 {[#]} h6 $146 ({Predecessor:} 4... Be7 5. Bf4
O-O 6. e3 Nbd7 7. Be2 dxc4 8. O-O a6 9. a4 c5 10. d5 exd5 11. Nxd5 Nxd5 12.
Qxd5 Nf6 13. Qxd8 Rxd8 14. Bc7 Re8 15. Bxc4 Be6 16. Bxe6 fxe6 17. a5 Nd5 18.
Be5 c4 19. Rfc1 Rac8 20. Nd2 Nb4 21. Rxc4 Nd3 22. Bc3 Bf6 23. Rb1 Rxc4 24. Nxc4
Bxc3 25. bxc3 Rc8 26. Nd6 Rxc3 27. g4 Rc2 28. Rxb7 Rxf2 29. Rb3 Nc5 30. Rb6 Nd3
31. Rxa6 h6 32. Rc6 Ra2 33. Nc4 Ne1 34. h3 {Martirosyan,H (2622)-Nakamura,H 
(2736) Chess.com INT 2020 1/2-1/2 (68)}) 5. Bf4 Bd6 6. Bxd6 {D37: Queen's
Gambit Declined: 5 Bf4.} Qxd6 7. e3 O-O 8. Rc1 b6 9. cxd5 Nxd5 10. Nxd5 Qxd5
11. a3 Qd6 {[#]} (11... Bb7 $11) 12. Qc2 $1 $16 c6 13. Qe4 Qd5 14. Bd3 {
[%csl Gd3][%cal Re4h7]} Qxe4 15. Bxe4 Bb7 16. Ne5 f6 17. Ng6 ({And not} 17.
Bxc6 Rc8 $17) ({Not} 17. Nxc6 Nxc6 18. Rxc6 (18. Bxc6 $2 Rac8 $19) 18... f5 $19
) 17... Rd8 18. Nf4 Rd6 19. O-O Nd7 20. Rc3 Rd8 21. Rfc1 {[%cal Re4c6]} e5 {
The position is equal.} 22. dxe5 Nxe5 {[#] ( -> ...Rd1+)} 23. h3 Rd1+ 24. Kh2
Rxc1 25. Rxc1 Rd6 26. Ng6 Nxg6 27. Bxg6 $11 {[%mdl 4096] Endgame KRB-KRB} Kf8
28. Be4 Rd2 29. Bxc6 Bxc6 30. Rxc6 Rxf2 {KR-KR} 31. b4 Re2 32. Rc8+ Kf7 33.
Rc7+ Kg6 34. Rxa7 Rxe3 35. a4 Ra3 36. a5 bxa5 37. bxa5 f5 38. a6 f4 39. Ra8 Ra2
40. Rf8 Rxa6 (40... Kg5 {looks sharper.} 41. Rf7 Rxa6 42. Rxg7+ Kf6 43. Rb7 Kg6
) 41. Rxf4 Rf6 42. Kg3 Rxf4 43. Kxf4 {KPP-KPP} Kf6 44. g4 g5+ 45. Ke4 Ke6 46.
Kd4 Kd6 47. Ke4 {Intending Kf5 and mate.} Ke6 48. Kd4 Kd6 49. Ke4 {White wants
to mate with Kf5.} Ke6 {Weighted Error Value: White=0.04/Black=0.05} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.5"]
[White "Giri, Anish"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2731"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,75,5,12,5,41,75,138,-26,-12,-37,-54,-36,-43,-36,-43,-39,-37,-24,-34,
-33,-45,-42,16,16,22,8,8,8,8,8,8,8,8,8,8,8,20,12,12,8,8,8,9,8,8,0,0,0,25,0,0,0]
} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 Nxd5 7. Bd3 Be7 8.
O-O O-O 9. a3 cxd4 10. exd4 b6 11. Qc2 Nf6 12. Be3 Bb7 13. Rad1 Rc8 14. Rfe1 {
B22: Sicilian: 2 c3.} h6 15. Qd2 Re8 {[#]} (15... h5 $142) 16. d5 $146 (16.
Bxh6 $1 $16 {[%mdl 512]} gxh6 {[#]} 17. d5 $1 {[%mdl 512]}) ({Predecessor:} 16.
Qe2 Nd5 17. Bc1 Na5 18. Ne5 Bg5 19. Qh5 Rf8 20. Ne4 Bxc1 21. Rxc1 Rxc1 22. Rxc1
{0-1 (73) Nistor,V (1881)-Vanduyfhuys,D (2058) Porto Carras 2018}) 16... Nxd5
$11 {[#]} 17. Bxh6 $1 {[%mdl 512]} Nxc3 (17... gxh6 18. Qxh6) 18. bxc3 Qd5 $1
19. Bg5 Bxg5 $1 20. Nxg5 {Threatens to win with Qf4.} Ne5 {[%csl Gb7][%cal
Rd5g2]} 21. Bh7+ Kf8 $1 {[%csl Gb7][%cal Rd5g2]} 22. Qxd5 exd5 23. Bf5 Rcd8 (
23... Rc4 $1 $15) 24. Be6 $1 f6 25. f4 $1 $36 {[%mdl 2048] White is more
active.} fxg5 26. Rxe5 {[%mdl 64] Double Attack} gxf4 {With the idea ...g6.}
27. Rd4 g5 $1 28. Rxg5 {And now Re5 would win.} Rxe6 29. Rxf4+ Ke7 {aiming for
...Kd6.} (29... Ke8 $5 30. Rg8+ $8 Kd7 31. Rf7+ Re7 32. Rxe7+ Kxe7 33. Rg7+ Kf6
34. Rxb7 Rc8 $14) 30. Rg7+ Kd6 {Hoping for ...Ba6.} 31. Rxb7 {[%mdl 4096]
Endgame KRR-KRR} Rc8 32. Rf3 Re1+ $1 33. Kf2 Rc1 34. Rxa7 Rc2+ 35. Kf1 Rc1+ 36.
Kf2 Rc2+ 37. Kf1 Rc1+ 38. Kf2 {Weighted Error Value: White=0.12/Black=0.08}
1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.6"]
[White "Karjakin, Sergey"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2709"]
[BlackElo "2742"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,-3,0,0,2,0,0,0,-2,-2,0,-4,0,-5,-9,-18,-6,-6,-11,-10,-14,-25,-25,
-26,-36,-27,-22,-41,-8,-17,-10,-18,-22,-20,-17,-16,-10,-4,-8,-12,-16,-8,-12,
-18,-17,-24,-20,-30,-9,-8,-8,-98,0,0,0,0,0,0,0,0,0,0,0,-31,0,0,0,0,0,0,0,0,0,0,
0,0,0]} 1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 d5 5. e3 c5 6. c3 {A45:
Trompowsky Attack.} Nc6 7. Bd3 e5 8. dxe5 Nxe5 9. Bc2 Be7 10. Ngf3 {[#]} Nxf3+
$146 ({Predecessor:} 10... Nc6 11. h3 Be6 12. O-O a6 13. Re1 Qd7 14. Qe2 g5 15.
Bg3 g4 16. hxg4 Bxg4 {1/2-1/2 (57) Petr,J (2328)-Studnicka,T (2316) Czech
Republic 2018}) 11. Nxf3 Be6 12. Qd3 Ne4 13. Ba4+ Kf8 14. Bxe7+ Qxe7 15. O-O g6
16. c4 Rd8 17. Rad1 {[%cal Rc4d5]} Kg7 18. Qc2 Nf6 (18... a6 {is interesting.}
19. cxd5 Bxd5 20. Bb3 Bc6 21. Nd2 Nxd2 22. Rxd2 Rxd2 23. Qxd2 Rd8) 19. Bb3 dxc4
20. Bxc4 Bxc4 21. Qxc4 Rxd1 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. g3 Qd5 25. Qxd5 Nxd5
$11 {[%mdl 4096] Endgame KN-KN} 26. a3 Kf6 27. Kf1 Ke6 28. Ke2 Nf6 29. Nd2 Kd5
30. Kd3 {[#]} (30. f3 $11) 30... Ng4 (30... Ne4 $1 $17 31. f3 (31. Nxe4 c4+ 32.
Ke2 Kxe4 $11) 31... Nxd2 32. Kxd2 Kc4) 31. e4+ Ke6 32. f3 Ne5+ 33. Ke3 f5 34.
h3 fxe4 35. Kxe4 Nf7 36. a4 b6 37. f4 {The position is equal.} Nd6+ 38. Kd3 Kd5
39. g4 a6 40. b3 b5 41. axb5 axb5 42. Nf3 c4+ {Weighted Error Value: White=0.
09/Black=0.07} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.7"]
[White "Nakamura, Hikaru"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2829"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,19,15,14,14,14,14,17,17,19,11,10,10,10,9,12,15,15,16,13,18,18,11,
14,14,15,28,25,29,8,8,8,9,9,8,0,7,7,4,7,7,7,14,0,8,10,22,0,0,0,0,0,0,0,0,0,0,0,
0,-8,-13,-155,-80,-83,-43,-129,-116,-98]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O
Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {C67: Ruy Lopez:
Berlin Defence: 4 0-0 Nxe4.} Ne8 10. Nd5 Bd6 11. Re1 {The position is equal.}
c6 12. Ne3 Be7 13. c4 Nc7 14. d4 d5 15. cxd5 Bb4 16. Bd2 Bxd2 17. Qxd2 Nxd5 18.
Nxd5 Qxd5 19. Re5 Qd6 20. Bc4 b5 (20... Bd7 21. Rae1 Rae8 22. Qc3 Rxe5 23. dxe5
Qe7 24. Rd1 Be6 25. Bxe6 Qxe6 26. a3 f6 27. exf6 Qxf6 28. Qb3+ Kh8 29. f3 b6
30. Rd7 Rd8 31. Qf7 Qxf7 32. Rxd8+ Qg8 33. Rxg8+ Kxg8 34. Kf2 Kf7 35. Ke3 Ke6
36. Ke4 g6 {1-0 (52) Nakamura,H (2777)-So,W (2780) chess.com INT 2018}) 21. Bb3
a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 22. a3 a4 23. Ba2 Bd7 24. Rae1 Rae8 25. Qc3
Rxe5 26. dxe5 Qe7 27. Rd1 Bf5 28. Rd6 Rd8 29. Qd2 ({Don't go for} 29. Qxc6 $2
Rc8 $19) 29... Rxd6 30. exd6 {[#]} Qf6 $146 (30... Qe5 {seems wilder.} 31. h4
Bd7 32. Qa5 Kf8 33. Bb1 Bc8) ({Predecessor:} 30... Qe5 31. h3 Bd7 32. Qa5 Be8
33. Qd8 Qe1+ 34. Kh2 Qe5+ 35. Kg1 Qe1+ 36. Kh2 Qe5+ {1/2-1/2 (60) Kevlishvili,
R (2478)-Van Foreest,L (2531) Pardubice 2020}) 31. h3 g6 32. f4 Bd7 33. Bb1 c5
34. Be4 b4 35. Bd5 Kf8 36. Bc4 h5 37. Kh2 h4 38. g3 {[#]} (38. Be2 $11) 38...
hxg3+ (38... g5 $142 $1 {[%mdl 512]} 39. gxh4 (39. fxg5 Qe5) 39... gxf4) 39.
Kxg3 $17 Qf5 {aiming for ...bxa3.} 40. Bf1 (40. Qe3 $15) 40... g5 41. Qe3 {
Weighted Error Value: White=0.15/Black=0.04} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "8.8"]
[White "Le, Quang Liem"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2744"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,84,30,30,25,25,41,30,32,34,26,21,19,26,25,22,11,16,63,0,0,0,0,0,0,0,
0,0,0,0,0,0,8,0,0,0,54,54,80,58,66,66,66,66,93,39,47,45,91,88,87,80,80,80,80,0,
0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5
7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. a4
Bb4 {now supersedes 13...Be7. C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} 14.
axb5 Nxb5 ({Don't play} 14... axb5 $6 15. Rxa8 Qxa8 16. Nxd4 $16) 15. Qa4 c5 {
White has an edge.} 16. Nc4 O-O 17. Rd1 Nbd4 18. Nxd4 Nxd4 19. Be3 {[#]
Strongly threatening Bxd4.} a5 {[#]} 20. h3 $146 ({Predecessor:} 20. Rac1 Rc8
21. Kh1 Qh4 22. Nd6 Rcd8 23. Qa2 Ne6 24. f4 Qe7 25. Qc4 Rd7 26. f5 {1-0 (49)
Eliseev,U (2550)-Bai,J (2419) Kocaeli 2013}) 20... Ra6 21. Bxd4 (21. Nd6 $14)
21... cxd4 $11 22. Nd6 Qg5 23. Rxd4 Qxe5 {[%mdl 64] [#] Double Attack} 24. Rxb4
{[%mdl 64] aiming for Nc4. Pin} Rxd6 25. Rb5 Qe2 26. Qxa5 Rd2 $1 27. Qb6 Rfd8
28. b4 h6 29. Rba5 R8d4 ({Black should try} 29... Qe4 $11 30. Rf1 Re8) 30. Rf5
$14 f6 31. Qb7 Rd7 32. Qc6 R7d6 33. Qc5 Kh7 34. Kh2 (34. Ra7 $16) 34... Qe4 35.
Ra7 Rd7 36. Rxd7 Rxd7 $16 {[%mdl 4096] Endgame KQR-KQR} 37. Rf3 Rd5 38. Qc7 {
Rg3 is the strong threat.} Qxb4 39. Qf7 (39. Rxf6 $1 $16 {And now Qc2+ would
win.} Qb2 40. Rf7) 39... Qd6+ $11 {The position is equal.} 40. Rg3 {[%csl Gg3]
[%cal Rf7g7]} Rg5 41. Qb3 Rxg3 42. Qxg3 Qe6 {Weighted Error Value: White=0.10/
Black=0.11} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2636"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,86,27,27,28,27,32,28,40,36,31,35,24,43,58,17,26,20,34,17,27,17,33,0,
0,0,0,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,10,8,39,34,33,32,28,16,212,209,
206,191,190,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5.
e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 Qa5 9. Qd2 O-O 10. Rc1 Bg4 11. d5 b5 {
[%cal Bb7b5,Bb5b4][%mdl 32] D85: Exchange Grünfeld: Unusual White 7th moves
and lines with 7 Nf3.} 12. Bxc5 Rc8 13. Bb4 (13. Bxe7 Bxc3 14. Rxc3 Rxc3 $15)
13... Qc7 {White has an edge.} 14. Nd4 (14. Bxb5 a5 $11) 14... a5 $1 {[%cal
Ra5b4]} 15. Ba3 b4 $1 {[%cal Rb4a3]} 16. Bb2 Qb6 17. Bb5 e5 {Strongly
threatening ...bxc3.} (17... Bxd4 $6 18. Qxd4 Qxd4 19. cxd4 $16) 18. dxe6 $1 (
18. Qg5 $2 h5 $19) 18... Bxe6 (18... Bxd4 $2 19. Qxd4 Qxd4 20. exf7+ Kxf7 21.
cxd4 $18) 19. Nxe6 fxe6 20. c4 {[%cal Bc3c4,Bc4c5][%mdl 32] [#]} Rd8 $146 ({
Predecessor:} 20... Bxb2 21. Qxb2 Nc6 22. Qf6 Nd4 23. Bd7 Rf8 24. Qe5 Rxf2 25.
Kxf2 Rf8+ 26. Ke3 Nf5+ {1/2-1/2 (37) Vidit,S (2726)-Nepomniachtchi,I (2784)
chess.com INT 2020}) 21. c5 Rxd2 22. cxb6 Rxb2 23. Rc8+ $1 (23. b7 $2 Ra7 $19)
23... Kf7 {...Rb1+ is the strong threat.} 24. Rc7+ Kf8 {Hoping for ...Na6.} 25.
Ra7 {And now 0-0 would win.} Rb1+ 26. Ke2 Rxh1 27. f4 $1 Rc1 ({Avoid the trap} 
27... Rxh2 $2 28. Rxa8 Kf7 29. Rxb8 $18) ({Not} 27... Rxa7 $2 28. bxa7 Bc3 29.
axb8=Q+ $18) 28. Rxa8 Rc8 29. e5 {[#]} g5 $1 30. g3 (30. fxg5 Bxe5) 30... gxf4
31. gxf4 {Threatens to win with Bd7!} Bh6 $1 {[%cal Rh6f4]} 32. Kf3 Kg7 33.
Ra7+ ({Much worse is} 33. Rxa5 Rf8 $17) 33... Kg8 34. Rc7 {[%mdl 1024] White
has compensation.} Rf8 35. Rc4 Bg5 36. Kg4 Bd8 $2 (36... Bh6 $1 $11) 37. b7 $18
Bb6 38. Rc8 {Black must now prevent Bc4.} Kg7 {[#]} 39. Kf3 $2 ({Only move:} 
39. Bc4 $1 $18) 39... Ba7 $11 {The position is equal.} 40. Be8 Na6 41. Bb5 Nb8
42. Be8 Na6 43. Bb5 Nb8 {Weighted Error Value: White=0.11/Black=0.10} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.2"]
[White "So, Wesley"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2741"]
[BlackElo "2744"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:03]} Nf6 {[%emt 0:00:00]} 5. d3 {[%emt 0:00:02]} d6 {[%emt 0:00:05]} 6. c3 {
[%emt 0:00:03]} a6 {[%emt 0:00:04]} 7. a4 {[%emt 0:00:09]} h6 {[%emt 0:00:15]}
8. Re1 {[%emt 0:00:04]} O-O {[%emt 0:00:04]} 9. h3 {[%emt 0:00:05]} Re8 {
[%emt 0:00:16]} 10. Nbd2 {[%emt 0:00:03]} Be6 {[%emt 0:00:23]} 11. Bxe6 {
[%emt 0:00:17]} Rxe6 {[%emt 0:00:00]} 12. b4 {[%emt 0:00:01]} Ba7 {[%emt 0:00:
01]} 13. Qc2 {[%emt 0:00:00]} Qd7 {[%emt 0:00:10]} 14. Nf1 {[%emt 0:00:15]} d5
{[%emt 0:00:33]} 15. Be3 {[%emt 0:00:09]} Bxe3 {[%emt 0:01:01]} 16. Nxe3 {
[%emt 0:00:00]} Rd8 {[%emt 0:00:19]} 17. b5 {[%emt 0:00:35]} Ne7 {[%emt 0:00:
57]} 18. c4 {[%emt 0:00:03]} d4 {[%emt 0:00:28]} 19. Nf5 {[%emt 0:00:03]} a5 {
[%emt 0:01:12]} 20. c5 {[%emt 0:00:49]} Re8 {[%emt 0:01:41]} 21. Ng3 {[%emt 0:
00:49]} Ng6 {[%emt 0:00:09]} 22. Rac1 {[%emt 0:00:53]} Nf4 {[%emt 0:00:24]} 23.
Kh2 {[%emt 0:00:29]} Nh7 {[%emt 0:04:30]} 24. Qd2 {[%emt 0:01:58]} f6 {[%emt 0:
00:12]} 25. Nf5 {[%emt 0:02:07]} Ng6 {[%emt 0:02:04]} 26. Qxa5 {[%emt 0:00:11]}
Ng5 {[%emt 0:00:01]} 27. Nxg5 {[%emt 0:00:54]} fxg5 {[%emt 0:00:00]} 28. c6 {
[%emt 0:01:55]} bxc6 {[%emt 0:00:00]} 29. bxc6 {[%emt 0:00:01]} Qf7 {[%emt 0:
00:11]} 30. Qb5 {[%emt 0:00:09]} Nh4 {[%emt 0:00:24]} 31. f3 {[%emt 0:01:35]}
Nxf5 {[%emt 0:01:02]} 32. exf5 {[%emt 0:00:00]} Qxf5 {[%emt 0:00:01]} 33. Re4 {
[%emt 0:00:02]} Qf8 {[%emt 0:00:15]} 34. a5 {[%emt 0:00:47]} Ra8 {[%emt 0:02:
26]} 35. a6 {[%emt 0:00:48]} Kh7 {[%emt 0:00:30]} 36. Qb7 {[%emt 0:00:39]} Qb8
{[%emt 0:00:36]} 37. Rb1 {[%emt 0:00:26]} Qa7 {[%emt 0:00:02]} 38. Ra1 {
[%emt 0:00:19]} Ree8 {[%emt 0:00:17]} 39. Qb5 {[%emt 0:00:13]} Qb6 {[%emt 0:00:
08]} 40. Rxe5 {[%emt 0:00:23]} Rxe5 {[%emt 0:00:29]} 41. Qxe5 {[%emt 0:00:00]}
Rxa6 {[%emt 0:00:30]} 42. Qf5+ {[%emt 0:00:11]} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.3"]
[White "Svidler, Peter"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2742"]
[BlackElo "2829"]
[Annotator "ChessBase"]
[PlyCount "145"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. c3 {[%emt 0:00:
00]} Nf6 {[%emt 0:00:00]} 5. d3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 6. O-O {
[%emt 0:00:00]} h6 {[%emt 0:00:00]} 7. Re1 {[%emt 0:00:03]} O-O {[%emt 0:00:00]
} 8. h3 {[%emt 0:00:27]} a5 {[%emt 0:00:01]} 9. Nbd2 {[%emt 0:00:15]} Bb6 {
[%emt 0:00:03]} 10. b3 {[%emt 0:01:28]} Ne7 {[%emt 0:05:35]} 11. d4 {[%emt 0:
00:05]} Ng6 {[%emt 0:00:02]} 12. Bf1 {[%emt 0:00:19]} c6 {[%emt 0:00:07]} 13.
Nc4 {[%emt 0:01:55]} Bc7 {[%emt 0:00:18]} 14. Ba3 {[%emt 0:01:11]} Re8 {
[%emt 0:02:09]} 15. dxe5 {[%emt 0:00:02]} dxe5 {[%emt 0:00:11]} 16. Nd6 {
[%emt 0:00:18]} Bxd6 {[%emt 0:00:10]} 17. Qxd6 {[%emt 0:01:04]} Be6 {[%emt 0:
00:27]} 18. Nxe5 {[%emt 0:01:25]} Nxe5 {[%emt 0:00:03]} 19. Qxe5 {[%emt 0:00:
01]} Bc4 {[%emt 0:00:00]} 20. Qxe8+ {[%emt 0:02:20]} Qxe8 {[%emt 0:00:00]} 21.
Bxc4 {[%emt 0:00:02]} a4 {[%emt 0:01:14]} 22. Bd6 {[%emt 0:01:05]} b5 {[%emt 0:
00:29]} 23. Bd3 {[%emt 0:00:05]} Qe6 {[%emt 0:00:56]} 24. e5 {[%emt 0:00:05]}
Nd5 {[%emt 0:00:02]} 25. c4 {[%emt 0:00:13]} Nf4 {[%emt 0:00:05]} 26. Bf1 {
[%emt 0:00:05]} g5 {[%emt 0:00:58]} 27. cxb5 {[%emt 0:01:17]} cxb5 {[%emt 0:00:
03]} 28. Rad1 {[%emt 0:00:02]} axb3 {[%emt 0:00:15]} 29. axb3 {[%emt 0:00:01]}
Qxb3 {[%emt 0:01:35]} 30. Rb1 {[%emt 0:01:08]} Qc2 {[%emt 0:00:10]} 31. Rxb5 {
[%emt 0:00:52]} Ne6 {[%emt 0:01:07]} 32. Rb8+ {[%emt 0:01:09]} Rxb8 {[%emt 0:
00:02]} 33. Bxb8 {[%emt 0:00:00]} Qd2 {[%emt 0:00:21]} 34. Rb1 {[%emt 0:00:03]}
Qc2 {[%emt 0:00:05]} 35. Re1 {[%emt 0:00:02]} h5 {[%emt 0:00:48]} 36. Ba7 {
[%emt 0:00:09]} Qc3 {[%emt 0:00:10]} 37. Re4 {[%emt 0:00:20]} Qa1 {[%emt 0:00:
10]} 38. Be3 {[%emt 0:00:19]} h4 {[%emt 0:00:09]} 39. Bxg5 {[%emt 0:01:53]}
Nxg5 {[%emt 0:00:03]} 40. Rg4 {[%emt 0:00:01]} Qxe5 {[%emt 0:00:05]} 41. f4 {
[%emt 0:00:01]} Qe3+ {[%emt 0:00:33]} 42. Kh2 {[%emt 0:00:02]} f6 {[%emt 0:00:
05]} 43. fxg5 {[%emt 0:00:22]} f5 {[%emt 0:00:00]} 44. Rxh4 {[%emt 0:01:04]}
Qf2 {[%emt 0:00:07]} 45. Rc4 {[%emt 0:00:02]} Qxf1 {[%emt 0:00:06]} 46. Rc3 {
[%emt 0:00:03]} Qf4+ {[%emt 0:00:32]} 47. Kh1 {[%emt 0:00:01]} Kg7 {[%emt 0:00:
55]} 48. Rf3 {[%emt 0:00:02]} Qc1+ {[%emt 0:00:01]} 49. Kh2 {[%emt 0:00:01]}
Kg6 {[%emt 0:00:00]} 50. Rb3 {[%emt 0:00:14]} Qd1 {[%emt 0:00:03]} 51. Rf3 {
[%emt 0:00:01]} Qd4 {[%emt 0:00:04]} 52. Kh1 {[%emt 0:00:05]} Qa1+ {[%emt 0:00:
04]} 53. Kh2 {[%emt 0:00:01]} Qd1 {[%emt 0:00:00]} 54. Rf2 {[%emt 0:00:15]}
Qd6+ {[%emt 0:00:16]} 55. Kh1 {[%emt 0:00:01]} Qc7 {[%emt 0:00:04]} 56. Rf3 {
[%emt 0:00:02]} Qe5 {[%emt 0:00:00]} 57. Kg1 {[%emt 0:00:02]} Kxg5 {[%emt 0:00:
07]} 58. Kh1 {[%emt 0:00:01]} Kf6 {[%emt 0:00:05]} 59. Kg1 {[%emt 0:00:02]} Ke6
{[%emt 0:00:04]} 60. Kh1 {[%emt 0:00:02]} Kd5 {[%emt 0:00:00]} 61. Kg1 {
[%emt 0:00:02]} Ke4 {[%emt 0:00:01]} 62. Kh1 {[%emt 0:00:02]} Qa1+ {[%emt 0:00:
02]} 63. Kh2 {[%emt 0:00:01]} Qd1 {[%emt 0:00:00]} 64. Rc3 {[%emt 0:00:16]}
Qd6+ {[%emt 0:00:06]} 65. Kh1 {[%emt 0:00:01]} f4 {[%emt 0:00:06]} 66. Rf3 {
[%emt 0:00:09]} Qd1+ {[%emt 0:00:14]} 67. Kh2 {[%emt 0:00:02]} Qxf3 {[%emt 0:
00:00]} 68. gxf3+ {[%emt 0:00:01]} Kxf3 {[%emt 0:00:00]} 69. h4 {[%emt 0:00:01]
} Kg4 {[%emt 0:00:01]} 70. Kg2 {[%emt 0:00:02]} Kxh4 {[%emt 0:00:01]} 71. Kf3 {
[%emt 0:00:01]} Kg5 {[%emt 0:00:00]} 72. Kf2 {[%emt 0:00:00]} f3 {[%emt 0:00:
00]} 73. Kxf3 {[%emt 0:00:01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.4"]
[White "Nepomniachtchi, Ian"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,12]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6.
dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 {[#]} 11. Qe4+ $146
({Predecessor:} 11. Qe3+ Be6 12. Nc3 a6 13. Rd1 Qc5 14. Qg3 f6 15. Bf4 Rc8 16.
Re1 Kf7 17. Rxe6 Kxe6 18. Qh3+ f5 19. Ne4 Qd5 20. Nc3 Qd7 21. Rd1 Bd6 22. Rd5
g6 23. Ne4 Kxd5 24. Qb3+ Kc6 25. Qc4+ Kb6 {0-1 (25) Andreikin,D (2726)
-Nakamura,H (2736) chess.com INT 2020}) 11... Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14.
Qd4 Qd6 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.5"]
[White "Carlsen, Magnus"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2881"]
[BlackElo "2731"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:
00:00]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:00]} 4. Qxd4 {[%emt 0:00:02]}
Nf6 {[%emt 0:00:06]} 5. h3 {[%emt 0:00:34]} Nc6 {[%emt 0:00:03]} 6. Qe3 {
[%emt 0:00:01]} g6 {[%emt 0:00:07]} 7. Be2 {[%emt 0:00:02]} Bg7 {[%emt 0:00:07]
} 8. O-O {[%emt 0:00:01]} O-O {[%emt 0:00:01]} 9. Rd1 {[%emt 0:00:05]} Be6 {
[%emt 0:00:38]} 10. Nc3 {[%emt 0:00:40]} Qc8 {[%emt 0:00:53]} 11. a3 {[%emt 0:
00:40]} Na5 {[%emt 0:01:53]} 12. Nd4 {[%emt 0:00:14]} Nc4 {[%emt 0:03:14]} 13.
Qg3 {[%emt 0:01:06]} Bd7 {[%emt 0:01:11]} 14. b3 {[%emt 0:05:04]} Na5 {[%emt 0:
00:07]} 15. Nd5 {[%emt 0:01:22]} Re8 {[%emt 0:00:10]} 16. Nxf6+ {[%emt 0:00:33]
} Bxf6 {[%emt 0:00:04]} 17. c4 {[%emt 0:00:05]} Nc6 {[%emt 0:01:06]} 18. Bb2 {
[%emt 0:00:10]} a6 {[%emt 0:00:40]} 19. Qe3 {[%emt 0:00:20]} b5 {[%emt 0:01:11]
} 20. Rac1 {[%emt 0:01:01]} Qb7 {[%emt 0:00:38]} 21. c5 {[%emt 0:01:43]} dxc5 {
[%emt 0:00:24]} 22. Rxc5 {[%emt 0:00:02]} Nxd4 {[%emt 0:00:09]} 23. Bxd4 {
[%emt 0:00:20]} Bxd4 {[%emt 0:00:10]} 24. Rxd4 {[%emt 0:00:00]} Rac8 {[%emt 0:
01:46]} 25. b4 {[%emt 0:00:06]} Rxc5 {[%emt 0:00:15]} 26. bxc5 {[%emt 0:00:00]}
Bc6 {[%emt 0:00:14]} 27. e5 {[%emt 0:00:19]} e6 {[%emt 0:01:43]} 28. Bf3 {
[%emt 0:04:34]} Bxf3 {[%emt 0:00:15]} 29. gxf3 {[%emt 0:00:00]} a5 {[%emt 0:00:
40]} 30. Rd6 {[%emt 0:00:02]} Rc8 {[%emt 0:00:09]} 31. Rb6 {[%emt 0:00:15]} Qd7
{[%emt 0:00:02]} 32. Kg2 {[%emt 0:00:03]} b4 {[%emt 0:00:46]} 33. axb4 {
[%emt 0:00:02]} axb4 {[%emt 0:00:00]} 34. Rxb4 {[%emt 0:00:00]} Qd5 {[%emt 0:
00:01]} 35. Rh4 {[%emt 0:00:41]} Rxc5 {[%emt 0:00:10]} 36. Qh6 {[%emt 0:00:05]}
Qxe5 {[%emt 0:00:00]} 37. Qxh7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:01]} 38. Qh8+
{[%emt 0:00:01]} Qxh8 {[%emt 0:00:01]} 39. Rxh8+ {[%emt 0:00:05]} Kg7 {[%emt 0:
00:01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.6"]
[White "Radjabov, Teimour"]
[Black "Ding, Liren"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2758"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,92,0,-5,-51,-34,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,
0,15,12,104,84,95,95,94,0,0,0,0,0,0,-2,0,-5,-6,-29,-41,-227,-226,-212,-207,
-227,-222,-216,-205,-210,-202,-333,-231,-462,-538,-519,-318,-311,-304,-294,
-266,-638,-644,-1460,-856]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 h6 11. Bh4 dxe5 {B97:
Sicilian Najdorf: Poisoned Pawn.} 12. fxe5 Nfd7 13. Ne4 $1 Qxa2 {The position
is equal.} 14. Rd1 $1 Qd5 15. Qe3 $1 Qxe5 ({Don't blunder} 15... Nxe5 $2 16.
Nb3 $18) 16. Be2 $1 {Hoping for 0-0.} Bc5 17. Bg3 Qd5 $1 {[%mdl 4] And now ...
0-0 would win. is now more promising than 17...Bxd4.} 18. c4 Bxd4 19. Rxd4 Qa5+
20. Rd2 $1 O-O $5 {[%mdl 4] Strongly threatening ...f5. Leaves trodden paths.}
21. Bd6 $1 f5 22. Bxf8 Nxf8 ({But not} 22... fxe4 $6 23. Bd6 $14) 23. Nd6 $36 {
[%mdl 2048] White is pushing.} Nbd7 24. g4 fxg4 25. Bxg4 Qe5 26. Ke2 {[#]} b5
$5 $146 {[%mdl 8] An interesting novelty.} (26... a5 $11) ({Predecessor:} 26...
a5 27. h3 b6 28. Nxc8 Rxc8 29. Rxd7 Qxe3+ 30. Kxe3 Nxd7 31. Bxe6+ Kf8 32. Bxd7
Rxc4 {1/2-1/2 (32) Raja,H (2448)-Tran,T (2522) Moscow 2018}) 27. Bf3 $1 $16 {
[%cal Rf3a8]} Rb8 28. Qxe5 $1 Nxe5 {[#]} 29. cxb5 ({White should try} 29. c5 $1
$16) 29... axb5 $11 30. Nxc8 Rxc8 31. Rb1 Rc3 32. Bg2 Nfg6 (32... Nc4 $5 33.
Ra2 $8 Ng6 $11) 33. Rxb5 Nf4+ 34. Kf1 (34. Kd1 $5 {[%cal Rb5e5]} Nc4 35. Rb8+
Kf7 36. Rd7+ Kf6 37. Bf1 $15) 34... Ng4 35. Rd8+ $2 {Now White is beyond hope.}
(35. Rb8+ $15 Kf7 36. Kg1) 35... Kf7 $19 36. Rb7+ Kg6 37. Be4+ {[#]} Kh5 $1 38.
Rb1 Nxh2+ 39. Kg1 Ng4 40. Rd2 (40. Rdb8 $142) 40... Kh4 41. Rf1 $2 (41. Kf1)
41... Kg3 {Threatens to win with ...Nh3+.} 42. Kh1 g5 43. Rg1+ Kh4 {( -> ...
Rh3+)} 44. Re1 h5 45. Kg1 $2 (45. Ra2) 45... Kg3 46. Rc2 Nh3+ {Weighted Error
Value: White=0.35/Black=0.16} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.7"]
[White "Anton Guijarro, David"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2667"]
[BlackElo "2774"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:
00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 4. cxd5 {[%emt 0:00:00]}
Nxd5 {[%emt 0:00:02]} 5. e4 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:01]} 6. bxc3 {
[%emt 0:00:00]} c5 {[%emt 0:00:01]} 7. Rb1 {[%emt 0:00:10]} Be7 {[%emt 0:00:02]
} 8. Nf3 {[%emt 0:00:08]} O-O {[%emt 0:00:03]} 9. Bc4 {[%emt 0:00:04]} Nc6 {
[%emt 0:00:34]} 10. O-O {[%emt 0:00:11]} b6 {[%emt 0:00:00]} 11. d5 {[%emt 0:
00:36]} Na5 {[%emt 0:00:21]} 12. Bd3 {[%emt 0:00:11]} c4 {[%emt 0:01:23]} 13.
Bc2 {[%emt 0:00:02]} exd5 {[%emt 0:00:00]} 14. exd5 {[%emt 0:00:01]} Bf6 {
[%emt 0:00:01]} 15. d6 {[%emt 0:01:01]} Re8 {[%emt 0:02:38]} 16. Bf4 {[%emt 0:
00:17]} Bb7 {[%emt 0:00:14]} 17. Nd4 {[%emt 0:01:11]} Be4 {[%emt 0:00:11]} 18.
Nb5 {[%emt 0:01:18]} Bxc2 {[%emt 0:00:26]} 19. Qxc2 {[%emt 0:00:00]} Be5 {
[%emt 0:00:25]} 20. Qd2 {[%emt 0:00:36]} Bxf4 {[%emt 0:05:48]} 21. Qxf4 {
[%emt 0:00:03]} Re6 {[%emt 0:00:00]} 22. Rfe1 {[%emt 0:06:40]} Rf6 {[%emt 0:03:
44]} 23. Qe4 {[%emt 0:00:19]} h6 {[%emt 0:01:31]} 24. d7 {[%emt 0:02:21]} Rb8 {
[%emt 0:00:36]} 25. Qe8+ {[%emt 0:01:11]} Kh7 {[%emt 0:00:03]} 26. Rbd1 {
[%emt 0:00:02]} Nb7 {[%emt 0:00:45]} 27. Qe4+ {[%emt 0:01:17]} Rg6 {[%emt 0:00:
02]} 28. Qd5 {[%emt 0:00:39]} Qg5 {[%emt 0:00:28]} 29. Qxg5 {[%emt 0:00:40]}
Rxg5 {[%emt 0:00:00]} 30. Re8 {[%emt 0:00:17]} Rd8 {[%emt 0:00:06]} 31. Nxa7 {
[%emt 0:00:07]} Rc5 {[%emt 0:00:19]} 32. Kf1 {[%emt 0:00:24]} Rc7 {[%emt 0:00:
13]} 33. Rxd8 {[%emt 0:00:03]} Nxd8 {[%emt 0:00:00]} 34. Nb5 {[%emt 0:00:01]}
Rc5 {[%emt 0:00:12]} 35. a4 {[%emt 0:00:02]} Re5 {[%emt 0:00:10]} 36. Rd6 {
[%emt 0:00:11]} Re7 {[%emt 0:00:00]} 37. Na7 {[%emt 0:00:28]} Kg8 {[%emt 0:00:
21]} 38. Nc8 {[%emt 0:00:03]} Re5 {[%emt 0:00:01]} 39. Nxb6 {[%emt 0:00:04]}
Ra5 {[%emt 0:00:07]} 40. Rd4 {[%emt 0:00:15]} Ra6 {[%emt 0:00:03]} 41. Rxc4 {
[%emt 0:00:16]} Kf8 {[%emt 0:00:17]} 42. Re4 {[%emt 0:00:05]} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "9.8"]
[White "Firouzja, Alireza"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2703"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,0,20,17,0,0,0,0,0,0,0,29,22,44,21,16,-15,-12,-14,-8,0,-12,-38,50,
39,58,49,56,46,21,42,136,124,135,129,175,166,581,591,586,589,562,327,1255,545]
} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. c4 (4. O-O Bg7 5. d4 O-O 6. c4 c6 7. Ne5 Ng4
8. cxd5 cxd5 9. Bf4 Nxe5 10. Bxe5 Nc6 11. Bxg7 Kxg7 12. Nc3 e6 13. Qd2 b6 14.
Rad1 Bb7 15. e4 dxe4 16. Bxe4 Re8 {1/2-1/2 (59) Firouzja,A (2728)-Aronian,L 
(2767) Stavanger 2020}) 4... dxc4 5. Qa4+ Nfd7 6. Qxc4 {A09: Réti Opening: 1
Nf3 d5 2 c4.} Bg7 7. Nc3 Nb6 8. Qh4 {[#] The position is equal.} h6 $146 ({
Predecessor:} 8... Nc6 9. d3 h6 10. O-O Be6 11. Qf4 Nd5 12. Qd2 O-O 13. Rb1 a5
14. d4 Ndb4 {0-1 (55) Wartlick,K (2139)-Joachim,S (2443) Boeblingen 2001}) 9.
d4 Nc6 10. O-O Bf5 11. g4 Bd7 12. Rd1 e5 $1 13. Qg3 {[%cal Rf3e5]} exd4 14. Nb5
{[%mdl 64] Double Attack} O-O 15. Nxc7 Rc8 16. Nb5 {[%cal Rf3d4]} a6 (16... Ne5
$15 17. Nd6 Nxf3+ 18. Bxf3 Rc2) 17. Nbxd4 $14 Nxd4 18. Nxd4 Ba4 19. b3 {
Threatens to win with Ba3.} Bxd4 20. Bxh6 Qf6 (20... Re8 $14) 21. g5 $16 Qh8 {
[#]} 22. Rac1 $1 Bd7 {aiming for ...Rxc1.} 23. Qd6 {Hoping for Rxc8.} Bg4 $2 {
[#]} (23... Bg7) 24. Rxc8 $1 $18 Rxc8 25. Rxd4 Rc1+ 26. Rd1 Qa1 $2 (26... Rxd1+
27. Qxd1 Qc3) 27. Qf8+ {Weighted Error Value: White=0.19/Black=0.55} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2860"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,17,15,18,23,19,23,0,0,0,0,0,0,0,13,12,20,0,-1,-36,22,-17,-17,-17,
-17,-20,-27,-23,0,0,0,0,0,0,0,0,0,0,47,47,47,35,39,21,29,16,16,16,22,16,16,16,
26,23,24,0,26,0,24,0,26]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6
6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.
} Be6 7. O-O Bd6 8. d4 {White has an edge.} Nd7 $1 9. dxe5 Nxe5 10. Nxe5 Bxe5
11. f4 Qd4+ 12. Kh1 {[#] Hoping for c3.} Bd6 {[#]} 13. f5 $146 ({Predecessor:} 
13. Qe2 O-O-O 14. c3 Qc5 15. f5 Bd7 16. Nc4 Rhe8 17. b4 Qb5 18. a4 Qa6 19. Bg5
{1/2-1/2 (44) Leko,P (2702)-Wang,H (2795) Hengshui 2019}) 13... Bd7 14. e5 Be7
({Don't go for} 14... Qxe5 $2 15. Re1 $18) ({Better is} 14... Bxe5 $15 15. Qe1
Qc5) 15. f6 gxf6 16. exf6 Bd6 17. Ne4 Qxd1 $1 ({Of course not} 17... Qxe4 $6
18. Re1 $16) 18. Rxd1 O-O-O 19. Nxd6+ cxd6 20. Rxd6 Bf5 21. Rxd8+ Rxd8 $11 {
[%cal Rd8d1][%mdl 4096] [#] Endgame KRB-KRB} 22. Be3 Bxc2 23. Bxa7 Rd1+ (23...
Rd2 {feels hotter.} 24. Re1 Bg6 25. Re8+ Kd7 26. Re7+ Kc8) 24. Rxd1 Bxd1 $14 {
KB-KB} 25. Bd4 Kd7 26. a3 Ke6 27. Bc3 Kf5 28. Kg1 h5 29. g3 Ke4 30. Kf2 Bg4 31.
Kg2 Be6 32. Kf2 Bg4 33. Kg2 Be6 34. Kf2 Bg4 {Weighted Error Value: White=0.10/
Black=0.08} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.2"]
[White "Duda, Jan-Krzysztof"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2774"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,5,9,9,15,-8,14,8,0,-10,17,0,0,0,0,-2,0,-82,-78,-81,-59,-85,-69,
-50,-54,-54,-43,-58,-49,-62,0,0,0,0,0,-44,-8,-9,-12,-69,0,-21,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,13,106,106,98,93,115,100,319,320,256,78,
227,29,78,0,232,238,376,365,767,714,916,882,2392,2202]} 1. e4 c6 2. Nf3 d5 3.
d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Nfd2 {B10: Caro-Kann: 2 d3 and 2 c4.} g5
7. a4 Rg8 {[#]} 8. a5 $146 {The position is equal.} ({Predecessor:} 8. Na3 g4
9. Bd3 Be6 10. Ndc4 Na6 11. Be3 Nb4 12. Ke2 Nh5 13. Rhd1 f5 14. exf5 {1-0 (50)
Puranik,A (2580)-Gorshtein,I (2372) Sitges 2019}) 8... g4 9. Bd3 Nbd7 10. Nc4
Nc5 11. Nc3 Be6 12. Be3 Nfd7 13. Bd4 (13. Bf1 $11 {keeps the balance.}) 13...
Bg7 $17 14. Bxg7 Rxg7 15. Ke2 O-O-O 16. b4 Nxd3 17. cxd3 Bxc4 18. dxc4 Ne5 19.
a6 b6 ({Black should play} 19... Rd4 $15) 20. c5 $11 b5 21. Rad1 Rgg8 22. Ke3
Nc4+ 23. Ke2 $1 Nb2 24. Rb1 (24. Rd2 $11 Rxd2+ 25. Kxd2) 24... Nc4 {Threatens
to win with ...Rd2+.} 25. Rbd1 Rxd1 26. Rxd1 {[%mdl 4096] Endgame KRN-KRN} Kc7
27. Na2 Rg5 28. Nc1 Rh5 29. Rh1 Re5 30. f3 gxf3+ 31. gxf3 Rg5 {With the idea ..
.Rg2+.} 32. Kf2 Rg8 33. Rd1 Ne5 34. Nd3 Nd7 35. h4 e5 36. Ne1 Nb8 37. Ra1 f6
38. Nc2 Rd8 {...Rd2+ is the strong threat.} 39. Ke2 Rd7 (39... Nd7 $11) 40. h5
$1 $16 Rg7 41. Ne3 Rg5 42. h6 Rg8 $2 {[#]} (42... Rh5 $16 {might work better.})
43. Ng4 $1 $18 {[%cal Rg4f6]} Rf8 {[#]} 44. Kd3 $2 (44. Ke3 $1 $18 {is the
precise move to win.}) 44... Nd7 (44... Kd8 $16) 45. Ne3 $2 (45. Rg1 $18) 45...
Rg8 46. Ke2 (46. Kc2 $16) 46... Rg5 $2 (46... Nb8 $1 $11) 47. Rd1 Nb8 (47...
Rh5 {keeps fighting.} 48. Ng4 Nb8) 48. Rd6 Nd7 $2 (48... Rg6 49. Ng4 Nxa6 50.
Nxe5 Rxh6 51. Nxc6 Rh2+ 52. Ke3 Rb2 53. Nxa7 Nxb4 54. Nxb5+ Kc8) 49. Re6 {
White is clearly winning.} Rg6 50. Ng4 Rg5 51. Re7 {Weighted Error Value:
White=0.21/Black=0.36} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.3"]
[White "Ding, Liren"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2836"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,85,13,21,18,15,12,24,18,25,0,14,17,15,9,23,17,43,5,8,0,37,0,0,0,8,0,
0,-13,-11,-26,0,3,6,10,26,25,8,20,23,31,51,59,37,40,105,105,105,105,115,112,
100,96,174,170,187,179,236,239,238,245,364,340,371,350,360,300,625,626,843,824,
992,968,1464,1268,1705,1676]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. O-O Nf6
6. b3 O-O 7. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...
Nf6 3 Bf4.} a5 8. a4 Bf5 {[#]} 9. e3 $146 {White has an edge.} ({Predecessor:} 
9. Nbd2 Na6 10. Rc1 Rc8 11. Re1 Re8 12. c3 Qb6 13. Ne5 Rcd8 14. e3 Ne4 15. Nxe4
Bxe5 {1/2-1/2 (43) Holroyd,K (2529)-Walczak,P (2473) ICCF email 2015}) 9... Ne4
10. Qe2 Nd7 11. c4 Qb6 12. Nbd2 Ndf6 13. Rfc1 Bg4 14. Qd3 Bf5 {[#] And now ...
Nxg3! would win.} 15. Qe2 Bg4 16. cxd5 Nxd2 17. Qxd2 {dxc6 is the strong
threat.} Nxd5 18. Qd3 Rad8 19. Nd2 Nb4 20. Qf1 Bf5 21. Nc4 Qa6 22. Bc3 Bd3 23.
Qd1 {[#] Threatens to win with Bxb4.} Bxc4 24. bxc4 e5 25. d5 f5 26. Rab1 c5
27. e4 f4 {White stays focused until the end.} (27... Bh6 $14) 28. Rb2 $16 Qf6
29. Bh3 h5 30. Kh1 Bh6 31. Rcb1 f3 (31... Bg5 $16) 32. Rb3 $18 Kg7 33. Ba1 Kh7
(33... Rde8 {is a better defense.} 34. Ra3 g5) 34. Ra3 Qa6 35. Bf1 ({Less
strong is} 35. Bxe5 Qxc4 36. Bc7 (36. Rxf3 $2 Qxe4 {[%mdl 64] Double Attack}
37. Bg2 Rxf3 $19) 36... Qxe4 $14) ({Much less strong is} 35. Rxf3 $6 Rxf3 36.
Qxf3 Qxc4 $14) 35... Nc6 (35... Bg7 $142 36. Rxf3 Rxf3 37. Qxf3 Rf8) 36. Rxf3
Nd4 37. Rxf8 Rxf8 38. Bxd4 exd4 $2 (38... cxd4 39. f4 Bg7) 39. f4 {White is
clearly winning.} b6 40. e5 Kh8 41. Bd3 Kg7 42. Qf3 Qb7 43. Qe4 {Weighted
Error Value: White=0.05/Black=0.31} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.4"]
[White "Giri, Anish"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2731"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,0,-4,0,17,54,54,54,38,40,25,43,31,52,0,0,-7,0,-10,1,0,0,-7,-10,
-14,-11,-33,-6,-8,-14,-5,0,0,-7,-11,-14,-19,-24,-47,0,-20,0,-41,0,0,0,-18]} 1.
d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Rc1
Bb7 9. Bd3 Nbd7 10. O-O a6 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6
Bd3 b6.} 11. Ne5 Bd6 12. f4 Ne4 {White is slightly better.} 13. Be1 Ndf6 14.
Bh4 Qe8 $1 {[#]} 15. Qf3 $146 ({Predecessor:} 15. Bxe4 Nxe4 16. Nxe4 dxe4 17.
Nc4 Qd7 18. Qh5 Rac8 19. Nxd6 cxd6 20. f5 Rxc1 21. Rxc1 {0-1 (37) Mastrokoukos,
G (2301)-Rauk,T (2157) Puhajarve 2017}) 15... c5 16. Bxf6 (16. Qh3 $14) 16...
Nxf6 $11 17. g4 Rd8 18. Rcd1 g6 19. g5 Nh5 20. Be2 f6 21. gxf6 Nxf6 22. Qg2 Qe7
23. Bf3 {[%cal Rc3d5]} Kh8 24. Kh1 {[%cal Rc3d5]} ({Much weaker is} 24. Bxd5
Nxd5 25. Nxd5 Qe6 $17) 24... Qe6 25. a3 Rg8 26. Rg1 Rg7 27. Qg5 Rf8 28. Rde1
Kg8 29. Qg2 Kh8 30. Qg5 Kg8 31. Qg2 Kh8 32. Qg5 {Weighted Error Value: White=0.
10/Black=0.09} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.5"]
[White "Karjakin, Sergey"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2709"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,103,29,37,38,42,34,42,42,50,47,52,50,57,25,28,30,30,26,38,36,112,85,
116,115,123,14,32,38,93,58,60,34,45,60,61,33,46,44,67,79,75,75,72,64,96,94,108,
102,96,8,69,62,75,0,201,195,167,142,676,595,714,710,667,688,757,752,704,760,
768,725,693,763,747,702,620,732,1092,1092,1845,1786,1648,1396,1455,736,729,700,
1208,1189,1068,1043,29959,29961,29949,7540]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4.
Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence.} Re8 8. O-O Bf8 9.
h3 {White is slightly better.} Nbd7 10. g4 Nc5 {[%cal Rc5e4]} 11. Re1 c6 12. g5
Nfd7 13. f4 a5 14. Be3 Qc7 15. a4 Na6 {[#]} (15... Nb6 $14) 16. Qd2 $146 ({
Predecessor:} 16. Qf3 Ndc5 17. Rad1 Bd7 18. h4 Rad8 19. Qg3 Nb4 20. f5 Bc8 21.
h5 Nd7 22. Kh1 {1-0 (33) Onischuk,V (2498)-Zavgorodniy,S (2428) Alushta 2011})
16... Ndc5 17. Rad1 Bd7 18. Nde2 (18. f5 $16) 18... Rad8 19. Ng3 Qc8 (19... b6
$14) 20. Kh2 d5 21. e5 Nb4 22. Qf2 b6 23. Bd4 Bf5 24. Re2 g6 25. Nxf5 Qxf5 26.
h4 Ne6 {Threatens to win with ...c5.} 27. Rf1 $1 {Black must now prevent Bh3.}
c5 28. Be3 {aiming for Bh3.} d4 {[%mdl 64] Double Attack} 29. Bh3 $1 {[%cal
Rh3f5]} dxe3 30. Qg3 $1 {[#]} Qxc2 $1 31. Rxc2 $14 Nxc2 32. f5 (32. Kh1 $16)
32... Rd2+ $2 {[#]} (32... Ned4 $11 {and Black has nothing to worry.} 33. fxg6
fxg6) 33. Kh1 $1 $18 gxf5 34. Bxf5 e2 $2 {[%mdl 8192] [#] Black cannot hold
the game after this.} (34... Ncd4 $16) 35. Nxe2 $1 {[%mdl 512]} Rxe2 36. Bxe6
Rxe6 {[#]} 37. Qf3 $1 {[%csl LRe2,LRf7][%mdl 576] Double Attack} Re7 38. Qxe2
Nd4 39. Qc4 Nc6 40. Qb5 Nxe5 41. Qxb6 Nc4 42. Qb8 Re4 43. Rf4 Rxf4 44. Qxf4
Nxb2 45. h5 c4 46. Qd4 Nxa4 47. Qxc4 Nc5 48. g6 hxg6 49. hxg6 Ne6 50. Qd5 a4
51. Qf5 Nd8 52. Qd7 {Weighted Error Value: White=0.14/Black=0.55} (52. Qf6 $142
a3 53. Qxd8 Kg7 54. gxf7 Kxf7 55. Qd5+ Ke7 56. Kg2 Ke8 57. Kf3) 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.6"]
[White "Nakamura, Hikaru"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2829"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,17,11,8,22,29,7,5,16,0,8,10,31,5,104,90,189,177,177,162,273,266,
309,325,341,310,295,266,321,316,396,389,385,381,389,383,413,408,410,387,418,
394,568,561,1020,822,840,582,585,569,582,577,935,531,534,504,685,679,1083,1069,
29977,29979,5683,1078,29992,29993,29993,29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4
4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Be7 8. O-O O-O 9. Ng3 {B90: Sicilian
Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Be6 10. Nd5 Bxd5 11.
exd5 {The position is equal.} g6 12. c4 Nbd7 {[#]} 13. a3 $1 $146 {[%mdl 8] A
relevant novelty.} ({Predecessor:} 13. Bh6 Re8 14. Rc1 Nc5 15. Bb1 a5 16. b3
Rb8 17. f4 exf4 18. Bxf4 b5 19. Qf3 bxc4 20. Rxc4 {1/2-1/2 (26) Nepomniachtchi,
I (2773)-Wojtaszek,R (2724) Moscow 2019}) 13... Nc5 14. Bc2 b5 (14... Qb8 $11 {
keeps the balance.}) 15. b4 $16 Nb7 (15... Na4 $16) 16. cxb5 $18 axb5 17. Bh6
$1 Re8 (17... Qb6 $142) 18. Bd3 Nxd5 {[#]} 19. Qf3 $1 {[%cal Rf3d5]} ({Less
strong is} 19. Bxb5 Nc3 $16) 19... Nc3 {next ...d5 is good for Black.} 20. Qxb7
d5 21. Bd2 Rb8 22. Qa7 Ne4 23. Bxe4 dxe4 24. Rfd1 f5 25. Bc3 Bd6 26. Qe3 Qf6
27. Bb2 Bc7 28. Qb3+ Kh8 (28... Qe6 {was necessary.} 29. Qxe6+ Rxe6) 29. Rd7
Bb6 30. Rad1 Re6 31. Bc1 {Strongly threatening Bg5!} Rbe8 32. Be3 Bxe3 33. fxe3
h5 34. Rc7 h4 35. Ne2 f4 36. exf4 exf4 {[#]} 37. Nxf4 $1 {[%mdl 512]} Rf8 (
37... Qxf4 38. Qxe6) 38. Qxe6 (38. Nxe6 $2 {leads to mate.} Qf2+ 39. Kh1 {[#]}
Qf1+ $1 {[%mdl 512]} 40. Rxf1 Rxf1#) 38... Qxf4 39. Qb6 {White threatens Qd4+
and mate.} h3 40. Qd4+ Rf6 41. Rc6 {Black got outplayed after the opening. 
Weighted Error Value: White=0.35/Black=0.40} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.7"]
[White "Le, Quang Liem"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2744"]
[BlackElo "2742"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,63,20,22,26,37,38,32,36,51,25,45,50,10,135,8,9,0,58,7,62,45,226,223,
222,224,229,214,214,203,539,322,960,847]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4
Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. f4 Qc7 9. Bf3 O-O 10. Be3 Nc6 11. a4 Re8
12. Kh1 Rb8 13. g4 Nxd4 14. Bxd4 e5 15. fxe5 dxe5 16. Ba7 Ra8 17. g5 Rd8 {
B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3.} 18. Qe2 Ne8 19.
Be3 {aiming for Nd5.} Be6 {White is slightly better.} 20. Nd5 Bxd5 21. exd5 Nd6
22. a5 {[#]} e4 $146 (22... Rdc8 $11) ({Predecessor:} 22... Re8 23. Bg2 Nc4 24.
Bc1 Nxa5 25. b3 Rac8 26. Be4 g6 27. Be3 Bb4 28. Qf2 Qe7 29. Bb6 Bc5 30. Bxc5
Rxc5 31. d6 {1-0 (31) Ganguly,S (2652)-Rublevsky,S (2702) Berlin 2015}) 23. Bg2
({White has to play} 23. Bg4 $16) 23... Rac8 $11 24. Rf2 $36 {[%mdl 2048]
White has some pressure.} Qc4 (24... Nc4 $11 25. Bf4 (25. Bxe4 Nxe3 26. Bxh7+
Kxh7 $11) 25... Bd6) 25. Rd1 ({White should try} 25. Qd1 $14) 25... Qa2 (25...
g6 $11) 26. Bh3 $1 $14 Rc4 $2 {This costs Black the game.} (26... Qxb2 $14 27.
Bxc8 Rxc8) 27. b3 $1 $18 {[%cal Rb3c4]} Rc3 {[#]} 28. Bd4 $1 {[%cal Rd4c3]}
Qxa5 {[#]} 29. Qe1 $1 {[%mdl 64] Pin} ({Not} 29. Bxc3 Qxc3 30. Bg2 Qe5 $11)
29... Nb5 30. Qxe4 Bf8 $2 (30... Nxd4 31. Qxe7 {[%mdl 64] Double Attack} Rf8)
31. Be6 Nd6 $2 (31... Nxd4 32. Bxf7+ Kh8) 32. Qe1 {[%mdl 64] Pin.  Weighted
Error Value: White=0.32/Black=0.69} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "10.8"]
[White "Vidit, Santosh Gujrathi"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2636"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,92,19,18,24,16,23,11,11,15,14,9,20,16,18,8,8,6,9,11,10,3,17,0,18,0,
11,0,0,0,0,0,0,0,0,0,4,0,0,0,1,0,0,-1,2,8,12,18,11,11,12,14,14,8,8,0,14,20,24,
24,24,24,25,0,0,0,0,0,0,0,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3
Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2 dxc4 8. O-O c5 9. dxc5 Nxc5 10. Bxc4 Qxd1 {
D37: Queen's Gambit Declined: 5 Bf4.} 11. Rfxd1 b6 12. Ne5 {[#] Nc6 is the
strong threat.} Bb7 13. f3 Nh5 14. b4 Na6 $1 {[%cal Bc5a6,Ba6b8,Bb8c6][%mdl 32]
} 15. a3 {[#]} Nb8 $146 ({Predecessor:} 15... Bf6 16. Bxa6 Bxa6 17. Ne4 Rfd8
18. Rxd8+ Rxd8 19. Rc1 Bb5 20. g4 Nxf4 21. exf4 Bh4 {1-0 (62) Carlsen,M (2863)
-So,W (2770) Lichess.org INT 2020}) 16. Rac1 g5 17. Bg3 Nxg3 18. hxg3 Nc6 19.
Ba6 Nxe5 20. Bxb7 Rad8 21. Ba6 Nd7 22. Kf2 Nb8 23. Be2 a5 24. Na4 (24. Ne4 {
keeps more tension.} Rxd1 25. Rxd1 axb4 26. axb4 f5 27. Nc3) 24... axb4 25.
axb4 Bxb4 26. Nxb6 Be7 27. Rxd8 Bxd8 28. Nc4 Nd7 29. f4 h6 30. Bf3 Bf6 31. Nd6
Be7 32. Rc7 Bxd6 33. Rxd7 $11 {[%mdl 4096] Endgame KRB-KRB} Bc5 34. Bh5 f5 35.
Rc7 Bd6 36. Rd7 Bc5 37. Ke2 Rb8 38. Bf7+ Kh8 39. Bxe6 Re8 40. Bxf5 {[#] aiming
for e4.} Rxe3+ {The position is equal.} 41. Kf1 Rxg3 42. fxg5 Rxg5 43. g4 h5
44. Rh7+ Kg8 45. Rxh5 Rxh5 46. gxh5 Kg7 {Not much happened in this game. 
Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.1"]
[White "So, Wesley"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2741"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,58,1,50,18,32,17,23,0,0,0,0,0,0,0,15,15,15,18,16,16,18,17,12,0,0,0,0,
0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6.
bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O
Bg4 13. Rxb7 {13.Be3 is a critical line. D85: Exchange Grünfeld: Unusual White
7th moves and lines with 7 Nf3.} Bxf3 14. Bxf3 Bxd4 15. e5 {[#] And now Rb5
would win.White has an edge.} Na6 {The position is equal.} 16. Rxe7 Rad8 {[#]}
17. e6 $146 ({Predecessor:} 17. Qe2 Bc5 18. Bg5 Qxe2 19. Bxe2 Bxe7 20. Bxe7 Nb8
21. Bxd8 Rxd8 22. Ra1 Nc6 23. f4 {1/2-1/2 (60) Mamedyarov,S (2753)-Cheparinov,
I (2678) Khanty-Mansiysk 2013}) 17... fxe6 {Threatens to win with ...Bc5.} 18.
Qe1 Bf6 19. Rxa7 {[#] Strongly threatening Ba5.} Rxd2 20. Rxa6 $1 Qxa6 21. Qxd2
Qb6 22. g3 Bd4 23. Kg2 Rxf3 24. Kxf3 $11 {[%mdl 4096] Endgame Hoping for Qc2.
KQR-KQB} Qb7+ 25. Ke2 Qe4+ 26. Kd1 Qb1+ 27. Ke2 Qe4+ 28. Kd1 Qb1+ $1 29. Ke2
Qe4+ {Weighted Error Value: White=0.06/Black=0.04} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.2"]
[White "Svidler, Peter"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2742"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,42,21,21,18,24,21,28,28,21,0,1,0,0,0,0,0,16,9,8,10,5,0,0,-158,-157,
-160,-158,-297,-292]} 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O
Rb8 7. e3 Nf6 8. d4 O-O 9. b3 {E65: King's Indian: Fianchetto: 6...c5 7 0-0
without d5 by White.} Be6 $5 {[%mdl 4] [#] A promising side line.} 10. Bb2 $146
{[#] aiming for d5.} ({Predecessor:} 10. d5 Nxd5 11. cxd5 Bxc3 12. dxe6 Bxa1
13. exf7+ Rxf7 14. Ng5 Rf5 15. Bd5+ Kh8 16. Ne6 Qd7 {0-1 (79) Ding,L (2801)
-Vidit,S (2722) Kolkata 2019}) 10... cxd4 11. Nxd4 {White has an edge.} Nxd4
12. Qxd4 Nd5 13. Qd2 Nxc3 14. Bxc3 Bxc3 15. Qxc3 Qc7 16. Rac1 Rfc8 17. Qb2 Qa5
18. Rfd1 b5 {[%cal Bb7b5,Bb5c4][%mdl 32]} 19. b4 $2 {[#]} (19. cxb5 $11 Qxb5
20. h4) 19... bxc4 $17 20. a3 Qa4 21. Rd2 (21. Qc3 $17) 21... a5 {Weighted
Error Value: White=0.38/Black=0.02} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.3"]
[White "Nepomniachtchi, Ian"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,144,26,3,29,33,42,29,25,18,29,35,40,54,41,29,33,22,39,-7,55,47,44,5,
14,7,37,0,31,6,6,0,5,-10,0,-29,-24,-20,-27,-29,70,69,69,69,69,69,84,77,135,135,
135,135,135,135,152,144,152,153,153,135,145,130,103,100,100,90,88,83,168,160,
152,12,21,13,22,19,24,8,8,0,41,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,29946,
11730,29965,29959,29944,11216,29972,29974,29973,29974,29974,29975,29972,0,8,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O
Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 {C67: Ruy Lopez: Berlin Defence: 4 0-0
Nxe4.} 8. Nf3 O-O 9. d4 d5 {White has an edge.} 10. Nc3 {[%cal Bb1c3,Bc3e2,
Be2f4][%mdl 32]} Bf6 {[%cal Rf5d4]} 11. Ne2 $1 Re8 12. c3 g6 13. Nf4 Rxe1 14.
Qxe1 Ng7 {[#]} 15. Ne5 $146 ({Predecessor:} 15. Nd3 Bf5 16. Bf4 Ne6 17. Bg3 Be4
18. Qd1 Ne7 19. h3 Nf5 20. Bh2 b6 21. Nd2 {1/2-1/2 (93) Ivic,V (2531)
-Nikolaidis,I (2531) Nis 2019}) 15... Bf5 (15... Nxe5 $11 16. dxe5 Be7) 16.
Nxc6 $14 bxc6 17. Nd3 (17. Be3 {is more complex.} a5 18. Qd2 Rb8 19. Re1 Qd6
20. Be2) 17... Bxd3 18. Bxd3 Ne6 19. Be3 Bg5 20. Ba6 Bxe3 21. Qxe3 Qd6 22. Qg3
Rb8 23. b4 c5 {[%mdl 64] Discovered Attack} 24. Qxd6 cxd6 $11 {[%mdl 4096]
Endgame KRB-KRN} 25. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} c4 (25... cxd4 $11 26.
cxd4 Nxd4) 26. a4 $1 $14 Nc7 {[#]} 27. Bb5 $1 {[%mdl 512]} Nxb5 28. axb5 {KR-KR
} Rb7 29. Ra6 Kf8 ({Black should try} 29... Rd7) 30. Rxd6 $16 Rxb5 {With the
idea ...a5.} 31. Ra6 $1 Rb7 32. h4 Re7 {[#]} 33. Kf1 $1 Ke8 34. Ra5 Rd7 35. Ke2
Re7+ 36. Kf3 Re1 37. Rxd5 {aiming for Re5+.} Rc1 38. Re5+ Kd7 39. Re3 h5 (39...
Kd6 $16) 40. Kf4 f6 41. f3 ({White should play} 41. d5 $16) 41... Kd6 $11 42.
g4 hxg4 43. fxg4 {Black must now prevent h5.} Rh1 44. Rf3 Ke6 45. Re3+ Kd6 46.
Re2 Rxh4 47. Ra2 Rh3 48. Ra6+ Kd5 49. Ra5+ Kd6 $1 50. Ke4 {Ra6+ is the strong
threat.} Rxc3 51. Ra6+ Kc7 52. Rxf6 Rg3 53. Rxg6 c3 {Strongly threatening ...
c2.} 54. Kd5 Kb7 55. Rc6 a5 $2 {[%mdl 8192]} (55... a6 $11) 56. bxa5 Rxg4 57.
Rxc3 Rg5+ 58. Ke6 (58. Kd6 $142 Rg6+ 59. Ke7 Rg7+ 60. Kf6 Rh7 61. Ra3 Rh6+ 62.
Ke7 Rh8 63. d5 Rh7+ 64. Kd6) 58... Rxa5 59. d5 Ra1 60. Kd7 Kb6 61. d6 {Cut Off
at move 61} Ra7+ {[#]} 62. Ke6 $2 (62. Rc7 $1 {mates} Ra2 63. Rc6+ Kb5 64. Rc1
Kb6 65. Rb1+ Ka7 66. Re1 Rh2 67. Kc7 Rc2+ 68. Kd8) 62... Rh7 {The position is
equal.} 63. d7 Rh6+ 64. Ke5 Rh5+ 65. Ke4 Rh4+ 66. Ke3 Rh3+ 67. Kd2 Rh2+ 68. Ke3
Rh3+ 69. Ke4 Rh4+ 70. Ke5 Rh5+ 71. Kf6 Rh6+ 72. Ke5 Rh5+ {Blacks defense is
rewarded with a draw.  Weighted Error Value: White=0.12/Black=0.44} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.4"]
[White "Carlsen, Magnus"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2881"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,16,0,9,11,18,1,31,17,61,20,30,32,34,19,11,15,24,30,13,10,29,27,29,
-70,-66,-74,-57,-63,-47,-49,-55,-50,-54,-50,-76,-66,-72,-106,-106,-91,-65,-71,
-13,-15,-9,-14,-5,-30,-29,-33,0,0,0,-31,0,0,0,-25]} 1. e4 e5 2. Bc4 Nf6 3. d3
c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Qc7 {C24: Bishop's Opening: 2...
Nf6.} 8. O-O dxe4 9. Ng5 O-O {[#]} (9... Bg4 $5 {[%cal Rg4d1]} 10. f3 (10.
Bxf7+ Qxf7 11. Nxf7 Bxd1 $15) 10... Bh5 $14) 10. Ndxe4 $146 ({Predecessor:} 10.
Ngxe4 Nxe4 11. Nxe4 Bf5 12. Ng3 Bg6 13. h4 h6 14. Qg4 Kh8 15. f4 Nd7 16. fxe5
Nxe5 17. Qf4 c5 18. h5 Bh7 19. Rfe1 f6 20. Nf5 {1/2-1/2 (20) Vogt,L (2495)
-Lechtynsky,J (2460) Trnava 1982}) 10... Nd5 11. d4 (11. Qh5 {looks sharper.}
h6 12. Nf3 Re8 13. Rfe1 Nd7 14. Qh4) 11... h6 12. Nf3 Bg4 13. dxe5 Nd7 $1 14.
h3 Bxf3 15. Qxf3 Qxe5 16. Rfe1 Rae8 17. c3 N5f6 18. Rad1 (18. Nxf6+ $11 Qxf6
19. Qxf6 Nxf6 20. Rad1) 18... Nxe4 $15 19. Rxd7 Ng5 $1 {[%csl LRe1,LRf3]} 20.
Qe3 $1 {[%cal Re3e5]} Nf3+ $1 21. gxf3 Qg5+ 22. Qxg5 Rxe1+ 23. Kg2 {[#] Qg6!
would kill now.} hxg5 24. Rxb7 {[%mdl 4096] Endgame KRR-KRB} a5 25. a4 g6 26.
Bc4 Kg7 27. Rc7 Re5 (27... Rc1 $17) 28. Rxc6 Rb8 29. Rc7 Rxb2 {White should
prevent ...Rf5.} 30. Bxf7 Re1 31. Bc4+ Kh8 {[%mdl 1024] Black has compensation.
} 32. Rc8+ Kg7 33. Rc7+ Kh8 34. Rc8+ Kg7 35. Rc7+ $1 {Weighted Error Value:
White=0.11/Black=0.11} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.5"]
[White "Radjabov, Teimour"]
[Black "Karjakin, Sergey"]
[Result "1-0"]
[ECO "D63"]
[WhiteElo "2758"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,19,18,11,10,19,22,7,0,19,20,16,16,14,7,27,26,25,33,30,25,31,16,
37,41,29,27,25,9,4,0,20,16,11,9,156,153,137,0,256,252,227,233,252,264,285,323,
319,300,384,386,384,377,377,346,488,485,447,382,495,399,523,489,457,472,581,
581,566,530,565,538,580,509,584,573,574,562,489,509,991,1017,983,946,941,846,
29981,29982,29989,29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6.
e3 Nbd7 7. Rc1 h6 8. Bh4 c5 {is cutting edge theory. D63: Queen's Gambit
Declined: Classical: 7 Rc1.} 9. cxd5 Nxd5 10. Bxe7 Nxe7 {The position is equal.
} 11. Be2 cxd4 12. Nxd4 Nf6 13. O-O Bd7 14. Qb3 {[#]} Rb8 $146 ({Predecessor:} 
14... Qa5 15. Rfd1 Rfd8 16. Bf3 Rab8 17. h3 b5 18. Ne4 Nxe4 19. Bxe4 b4 20. Nf3
Nd5 {1/2-1/2 (48) Krasenkow,M (2636)-Inarkiev,E (2672) Baku 2014}) 15. Qa3 a6
16. Rfd1 Re8 17. Nb3 Qb6 18. Na5 Nc6 19. Nc4 Qa7 20. Nd6 Red8 21. b4 Qb6 22.
Rb1 Ne5 23. b5 axb5 24. Ncxb5 {aiming for Qc3.} Ne8 {[#]} (24... Bc6 $11) 25.
f4 $1 $16 {[%cal Rf4e5]} Ra8 26. Qc3 (26. Qc1 $16 Ng6 27. Nc3 Qxd6 28. Rxd6
Nxd6 29. e4) 26... Bxb5 $4 {[%mdl 8192] White leaves nothing to chance now.} (
26... Ng6 $1 $11) 27. Rxb5 $18 {[%mdl 64] Double Attack} Qc6 28. Rc5 ({
Stronger than} 28. Qxe5 Rxd6 29. Rdb1 Rd5 $11) 28... Rxd6 29. Rxc6 Rxd1+ 30.
Bxd1 {Black must now prevent Rc8.} Nxc6 31. Qb3 Ra7 32. Bf3 Na5 33. Qb5 Ra8 34.
Qc5 g6 (34... Nf6 {keeps fighting.} 35. Qb5 Ra7) 35. g4 Ng7 36. h3 Ne8 37. Kg2
Ng7 38. Kg3 Ne8 39. a4 Ng7 40. Qb4 Ra6 41. Be2 Ra8 42. Bb5 Kh7 43. Qe7 Kg8 44.
Qc7 Kf8 45. e4 Kg8 46. Kf3 g5 (46... h5 $142 47. Kg3 e5 48. Qxe5 Rc8) 47. f5
exf5 48. gxf5 Nh5 49. Qe7 Nb3 50. Kg4 Ng7 {[#]} 51. Bc4 $1 {[%mdl 64] Double
Attack.  Weighted Error Value: White=0.10/Black=0.52} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.6"]
[White "Anton Guijarro, David"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2667"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,68,-10,0,-5,-2,-1,-2,-5,0,0,0,0,11,18,14,2,39,26,32,41,43,36,36,25,
24,16,29,22,13,14,13,9,9,12,12,11,10,10,10,10,10,13,10,11,16,13,16,10,16,0,0,0,
16,0,9,0,19]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 b6 7.
cxd5 exd5 8. Bd3 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Bd6 9. O-O
Re8 10. Rc1 {[#]} c5 $146 ({Predecessor:} 10... a6 11. Re1 Bb7 12. Qc2 Ne4 13.
a3 Qe7 14. Na2 Nd7 15. Bb4 c5 16. Bc3 Rac8 {0-1 (42) Schmalzried,V (1901)
-Glantz,R (2310) Berlin 2013}) 11. Bb5 Bd7 12. b3 a6 13. Bxd7 Nbxd7 14. dxc5
Nxc5 15. Ne2 Nce4 16. Bc3 Nxc3 17. Nxc3 Qd7 18. Na4 Qb7 19. Qd4 Rab8 20. Rc2 b5
{The position is equal.} 21. Nc5 Bxc5 22. Rxc5 Ne4 23. Rc2 ({Of course not} 23.
Rxd5 Nc3 $17) 23... Rbc8 24. Rfc1 h6 25. Qd3 b4 26. Nd4 Rc3 27. Rxc3 Nxc3 28.
a3 a5 29. g3 g6 30. h4 h5 31. Rc2 Ra8 32. Rc1 Re8 33. Rc2 Ra8 34. Rc1 Re8 {
Weighted Error Value: White=0.04/Black=0.01} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.7"]
[White "Firouzja, Alireza"]
[Black "Ding, Liren"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2703"]
[BlackElo "2836"]
[Annotator "RC"]
[PlyCount "87"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. d3 {[%emt 0:00:
00]} Bc5 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 6. O-O {
[%emt 0:00:05]} O-O {[%emt 0:00:07]} 7. Re1 {[%emt 0:00:06]} a5 {[%emt 0:00:08]
} 8. h3 {[%emt 0:00:04]} h6 {[%emt 0:00:11]} 9. Bb3 {[%emt 0:00:05]} b5 {
[%emt 0:00:24]} 10. d4 {[%emt 0:00:25]} Bb6 {[%emt 0:00:59]} 11. Be3 {[%emt 0:
00:04]} a4 {[%emt 0:00:41]} 12. Bc2 {[%emt 0:00:04]} exd4 {[%emt 0:03:06]} 13.
cxd4 {[%emt 0:00:05]} Nb4 {[%emt 0:00:01]} 14. Nc3 {[%emt 0:00:04]} Nxc2 {
[%emt 0:01:04]} 15. Qxc2 {[%emt 0:00:02]} Ba5 {[%emt 0:00:02]} 16. Bd2 {
[%emt 0:02:18]} Rb8 {[%emt 0:03:06]} 17. e5 {[%emt 0:04:36]} dxe5 {[%emt 0:00:
14]} 18. dxe5 {[%emt 0:00:02]} Bxc3 {[%emt 0:00:00]} 19. Qxc3 {[%emt 0:01:43]}
Nd5 {[%emt 0:00:14]} 20. Qc5 {[%emt 0:00:01]} Be6 {[%emt 0:00:53]} 21. Rac1 {
[%emt 0:00:36]} Qd7 {[%emt 0:01:05]} 22. Red1 {[%emt 0:00:24]} Rfc8 {[%emt 0:
03:22]} 23. Nd4 {[%emt 0:01:06]} c6 {[%emt 0:00:00]} 24. Kh2 {[%emt 0:02:27]}
Rb7 {[%emt 0:00:07]} 25. Be1 {[%emt 0:00:49]} Qe8 {[%emt 0:00:45]} 26. a3 {
[%emt 0:01:00]} Bd7 {[%emt 0:00:06]} 27. Nf3 {[%emt 0:00:41]} Nf4 {[%emt 0:00:
19]} 28. Qe3 {[%emt 0:00:20]} Nd5 {[%emt 0:00:59]} 29. Qe4 {[%emt 0:00:08]} Nb6
{[%emt 0:00:15]} 30. Rc5 {[%emt 0:00:31]} Be6 {[%emt 0:00:07]} 31. Nd4 {
[%emt 0:01:02]} Bd5 {[%emt 0:00:07]} 32. Qg4 {[%emt 0:00:29]} Qxe5+ {[%emt 0:
00:57]} 33. f4 {[%emt 0:00:02]} Qf6 {[%emt 0:00:01]} 34. Bc3 {[%emt 0:00:33]}
Qg6 {[%emt 0:00:02]} 35. Nf5 {[%emt 0:00:19]} Qxg4 {[%emt 0:00:09]} 36. hxg4 {
[%emt 0:00:00]} Rd7 {[%emt 0:00:46]} 37. Nxg7 {[%emt 0:00:16]} Be6 {[%emt 0:00:
31]} 38. Rxd7 {[%emt 0:00:12]} Bxd7 {[%emt 0:00:01]} 39. Nh5 {[%emt 0:00:12]}
Be6 {[%emt 0:00:03]} 40. Nf6+ {[%emt 0:00:12]} Kf8 {[%emt 0:00:01]} 41. Rh5 {
[%emt 0:00:25]} Nd5 {[%emt 0:00:01]} 42. Nxd5 {[%emt 0:00:11]} Bxd5 {[%emt 0:
00:00]} 43. Rxh6 {[%emt 0:00:03]} Re8 {[%emt 0:00:07]} 44. Bf6 {[%emt 0:00:11]}
1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "11.8"]
[White "Aronian, Levon"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2778"]
[BlackElo "2774"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,0,11,0,0,0,12,0,6,12,12,13,22,15,18,27,33,16,27,27,15,8,32,0,-5,-3,
-8,-16,3,12,0,3,56,63,52,44,97,90,132,124,123,123,157,137,242,277,253,260,389,
379,685,678,677,644,1028,1044,1256,1064,2780,2560,2014,1870]} 1. e4 e5 2. Bc4
Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {White must now prevent ...a4.} 6. a4 {
C24: Bishop's Opening: 2...Nf6.} ({But not} 6. Nxe5 $2 a4 $19) 6... Bb4+ 7. c3
Bd6 8. exd5 {The position is equal.} cxd5 9. Bg5 Be6 $1 10. Na3 Nc6 11. Nb5 Bb8
12. O-O O-O 13. Re1 h6 14. Bh4 g5 15. Bg3 {[%cal Rf3e5]} Bg4 {[#]} 16. h3 $5
$146 {[%mdl 8] New and interesting.} ({Predecessor:} 16. Qd2 Bxf3 17. gxf3 Qd7
18. Kg2 Qf5 19. h4 Ne7 20. hxg5 hxg5 21. Rh1 Ng6 22. Rae1 {0-1 (61) Onischuk,V
(2608)-Motylev,A (2665) Minsk 2017}) 16... Bh5 17. Re3 Kg7 18. Rc1 Ng8 19. d4
$36 {[%cal Rd4e5][%mdl 2048] White has some pressure.} e4 {Strongly
threatening ...Bf4.} 20. Bxb8 Rxb8 (20... Qxb8 $11 21. g4 Bg6) 21. g4 $14 Bg6
22. Ne5 Bh7 {[#]} (22... Nf6 $14) 23. c4 $1 $16 {[%cal Rc4d5]} dxc4 24. Nxc4 ({
Much worse is} 24. Bxc4 $6 Nge7 $11) 24... Nf6 25. Ncd6 Nb4 {[#]} 26. d5 $1 {
Hoping for Qd4.} Qb6 (26... Nd3 $16 {is a better defense.}) 27. Rc7 $18 Nd3 28.
Qc2 Bg6 (28... Rbd8 {keeps fighting.}) 29. Qc3 Rfd8 $2 (29... Nf4 30. Nc4 Qa6)
30. Nc4 {White is clearly winning.} Qa6 31. d6 Nf4 32. Ne5 Rxd6 33. Nxf7 Bxf7
34. Rxf7+ Kg6 {[#]} 35. Qc7 $1 {[%mdl 512] Weighted Error Value: White=0.04/
Black=0.32} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2860"]
[BlackElo "2774"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,87,10,17,22,20,10,19,14,16,13,17,0,8,-10,0,-10,0,0,28,27,25,25,25,17,
29,21,43,18,26,30,31,24,31,16,31,8,1,7,30,29,25,13,63,68,102,98,98,92,236,222,
593,593,593,592,630,607,779,764,727,731,679,635,1014,997,1043,1022,1054,1050,
1296,1427,1175,1089]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6.
d4 d5 7. Bd3 Bd6 8. Qe2+ Qe7 9. Qxe7+ Kxe7 10. O-O {C01: French: Exchange
Variation.} Nc6 11. Re1+ Kf8 12. c3 {The position is equal.} h6 13. Ne5 Ne7 {
[#]} 14. Nd2 $146 ({Predecessor:} 14. b3 g6 15. Na3 a6 16. Nc2 Kg7 17. f3 Bf5
18. Bxf5 Nxf5 19. Nd3 Rhe8 20. Bf4 a5 21. a4 Rxe1+ 22. Rxe1 {1-0 (60) Ramirez
Garcia,J (2269)-Barbero Sendic,A (2346) Barcelona 2019}) 14... Bf5 15. Bf1 Rd8
16. g3 c6 17. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ne8 18. a5 f6 19. Nd3 g5 20. Nc5
Bxc5 21. dxc5 a6 22. Nf3 Nc7 23. Nd4 {Strongly threatening Rxe7!} Bc8 24. Bd3
Kf7 25. Be3 Ne6 26. Be2 h5 27. Nxe6 Bxe6 28. Ra4 h4 29. g4 h3 30. f4 d4 31.
Bxd4 {fxg5 is the strong threat.} gxf4 {[#]} 32. g5 $1 {[%mdl 512]} Nd5 {
Loses the game.} (32... fxg5 $16 33. Bxh8 Rxh8) 33. Bxf6 $18 {[%mdl 64] Double
Attack} Kg6 $2 (33... Nxf6 34. Rxf4 {[%mdl 64] Pin} (34. gxf6 Rh4 $11) 34...
Kg7) 34. Bxd8 {White is clearly winning.} Rxd8 35. Rd4 Rf8 {[#]} 36. Bxa6 $1
bxa6 37. Rxe6+ {[%mdl 64] Double Attack} Kxg5 38. Rxc6 {[%mdl 4096] Endgame
KRR-KRN} Ne3 39. Re6 Kf5 40. Ree4 Rg8+ 41. Kf2 Ng4+ 42. Ke1 Nxh2 43. Rxf4+ Ke5
44. Ke2 {Weighted Error Value: White=0.06/Black=0.35} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.2"]
[White "Ding, Liren"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2836"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,22,18,10,0,15,10,16,23,36,51,27,29,29,46,46,44,39,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4.
Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6 {
E05: Open Catalan: 5 Nf3 Be7.} 11. Qc1 h6 $5 {[%mdl 4] [#] 11...Nbd7 is a
critical line. An interesting side line.} (11... a5 12. Nc3 Na6 13. Bd2 Nb4 14.
Qb1 Bxf3 15. Bxf3 c6 16. Rd1 Qe7 17. Ne4 Nxe4 18. Qxe4 {1-0 (44) Ding,L (2760)
-Aronian,L (2785) Sharjah 2017 CBM 177 [Yermolinsky,A]}) 12. Re1 $146 ({
Predecessor:} 12. Nc3 Ne4 13. a5 Nd7 14. Rd1 Qe7 15. Qc2 Nxc3 16. bxc3 Bxf4 17.
gxf4 Nf6 18. e3 {1/2-1/2 (37) Sargissian,G (2672)-Kasimdzhanov,R (2683) Riadh
2017}) 12... Nbd7 13. Nc3 Ne4 14. Ne5 Bxe5 15. dxe5 Nxc3 16. Bxc6 Nxe2+ $1 17.
Rxe2 bxc6 {[#]} 18. Bxh6 $1 {[%mdl 512]} gxh6 {The position is equal.} 19. Qxh6
{Black must now prevent Re4.} Qe7 $1 20. Re4 {White threatens Rg4+ and mate.}
f5 21. Rh4 Qg7 {And now ...Qxh6 would win.} 22. Qxe6+ {[%mdl 64] [#] Double
Attack} Qf7 $1 {[%cal Rf7e6]} 23. Qh6 {[%csl Gh4][%cal Rh6h8]} Qg7 24. Qxc6
Nxe5 25. Qd5+ Nf7 26. Qxf5 {Threatens to win with Rg4.} Ne5 27. Qe6+ Qf7 28.
Qxe5 {[%csl Ge5][%cal Rh4h8]} Qxf2+ 29. Kh1 Qf3+ 30. Kg1 {Rh8+ would kill now.}
Qf2+ 31. Kh1 Qf3+ 32. Kg1 {Threatening mate with Rh8+.} Qf2+ {Weighted Error
Value: White=0.04/Black=0.02} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.3"]
[White "Giri, Anish"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2731"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,110,30,9,14,10,37,24,15,22,35,10,46,25,35,11,60,62,82,54,76,69,73,59,
50,35,38,81,36,27,187,187,216,199,205,39,135,39,75,54,116,86,252,-41,-28,-39,
-40,-115,-101,-108,-79,-75,-87,-84,-58,-232,-172,-179,-191,-266,-265,-258,-242,
-225,-163,-223,-223,-163,-45,-90,-88,-373,-321,-314,-268,-662,-602,-890,-851,
-1911,-1792,-1792,-1945,-1868,-1679,-1987,-1888,-1575,-1700,-2220,-1802,-4864,
-2825,-5100,-4641]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5
e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. Kb1 Nxd4 $1 {[%mdl 4] is currently
scoring better than 10...Qc7. B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0
Bd7, lines without 9 f4 Be7.} 11. Qxd4 Qc7 12. g4 h5 {White has an edge.} 13.
gxh5 Nxh5 {[#]} 14. Rg1 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:
} 14. h4 Qc5 15. Qd2 b5 16. Bd3 b4 17. Ne2 a5 18. Rhg1 a4 19. Bxe7 Kxe7 20. Rg5
{0-1 (53) Grischuk,A (2777)-Firouzja,A (2723) Moscow 2019}) 14... Rc8 15. Qd2
b5 16. Bd3 Bxg5 17. Rxg5 b4 18. Ne2 Qb6 19. f4 g6 20. Ng3 Nf6 21. f5 gxf5 22.
exf5 e5 23. Ne4 Nxe4 $2 (23... d5 $11 24. Nxf6+ Qxf6) 24. Bxe4 $18 Rc4 25. Qg2
$1 Kd8 26. Bd3 $2 (26. Rg7 $18) 26... Rd4 (26... Rch4 $14) 27. Rc1 ({White
should play} 27. Rg8+ $16 Rxg8 28. Qxg8+ {[%mdl 64] Double Attack} Be8 29. Qg5+
Kd7 30. h4) 27... Kc7 28. Rg7 Rf8 (28... Be8 $14) 29. Qg5 d5 $2 (29... Qb8 $16
{was necessary.}) 30. Qe7 $2 ({White must play} 30. h4 $1 $18) 30... Qd6 $15
31. f6 Rf4 32. c4 (32. Rf1 $1 $15) 32... Qxe7 33. fxe7 Re8 34. cxd5+ Kd6 {
[%mdl 64] Double Attack} 35. Bxa6 Rxe7 36. Bc8 $2 ({White should try} 36. Kc2
$15) 36... Bxc8 ({Less strong is} 36... Kxd5 37. Rg8 $17) 37. Rxc8 Kxd5 $19 {
[%mdl 4096] Endgame KRR-KRR} 38. Rg2 (38. Rd8+ $142 Ke6 39. Rb8) 38... e4 39.
Rd2+ Ke5 {aiming for ...e3.} 40. Rc5+ {[#]} Kf6 $1 41. Kc2 {[#]} Re5 $1 {
[%cal Re5c5]} 42. Rc7 Kg6 (42... e3 $19 43. Re2 Rd4) 43. Kd1 f6 44. Rb7 $2 {
[%mdl 8192]} (44. Ke1 $17) 44... e3 {And now ...Rf1+ would win.} 45. Rg2+ Kf5
46. Ke2 $2 (46. Rh7 Rd4+ 47. Ke1) 46... Rd4 {Threatens to win with ...Rd2+.
Black is clearly winning.} 47. Ke1 Rc4 {...Rc1+ is the strong threat.} 48. Rbg7
Rc1+ 49. Ke2 Rc2+ {[%mdl 64] Double Attack} 50. Kd3 {[#]} e2 $1 {[%mdl 512]}
51. Rg1 Rxb2 {( -> ...Rc5)} 52. Re1 Rxa2 53. Rb7 Kf4 54. Rxb4+ Kf3 55. Rbb1 Kf2
{Never resign too early!  Weighted Error Value: White=1.01/Black=0.27} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.4"]
[White "Karjakin, Sergey"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2709"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,10,15,17,16,0,10,10,35,43,38,19,34,34,25,-19,-11,-16,-3,-14,0,0,0,
0,6,0,0,0,0,0,0,0,8,0,0,-14,0,0,0,0,0,-18,0,0,54,0,3,6,5,8,8,0,22,39,97,104,
232,172,198,189,197,196,225,224,231,225,228,235,224,221,301,246,283,177,178,
225,284,272,279,202,196,-953,-953,-29996,-29997]} 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. c3 Nf6 5. d3 d6 6. h3 h6 7. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main
lines with 5 d4 and 5 d3.} a5 8. Nf1 O-O 9. Ng3 {[#] The position is equal.} d5
$146 ({Predecessor:} 9... Be6 10. Bb3 Bxb3 11. axb3 d5 12. Qe2 Re8 13. O-O Qd7
14. Nh4 Qe6 15. Qf3 Bf8 {0-1 (59) Dourerassou,J (2484)-Fressinet,L (2657)
Paris 2017}) 10. exd5 Nxd5 11. O-O Nb6 12. Bb5 Bd6 13. d4 exd4 14. Bxc6 bxc6
15. Nxd4 Qf6 16. Ne4 Qg6 17. Nxd6 cxd6 18. Nxc6 Re8 19. Nd4 Bxh3 $1 {[%csl Gh3]
[%cal Rg6g2]} 20. Qf3 Bd7 21. b3 Re4 22. Bf4 Nd5 23. Bd2 Rae8 24. Rfe1 Nf6 25.
Rxe4 Nxe4 26. Bf4 h5 27. Re1 h4 (27... d5 $11) 28. c4 ({Better is} 28. Qd3 $1
$14) 28... Kh7 29. Qd3 h3 {[%csl Gh3][%cal Rg6g2]} 30. g3 $1 f5 $1 $132 {
[%mdl 2048] White must now prevent ...Nxg3. Black is not keeping still} 31. Qf1
Qh5 {Strongly threatening ...g5.} (31... h2+ $5 32. Kxh2 Qf6 $14) 32. f3 h2+ (
32... g5 $14 33. fxe4 gxf4 34. Qxf4 {[%mdl 64] Double Attack} Qh6) 33. Kh1 $16
Nf6 (33... g5 $16 {was called for.} 34. fxe4 gxf4 35. Qxf4 {[%mdl 64] Double
Attack} fxe4) 34. Rxe8 Nxe8 35. Qe2 Qf7 36. a4 Qf6 37. Qxh2+ Kg8 38. Qd2 Nc7
39. Nb5 (39. Qxa5 Qxd4 40. Qxc7 Qd1+ 41. Kg2 Qe2+ 42. Kh3 Qf1+ 43. Kh2 Qxf3 $11
) 39... Ne6 40. Qxd6 (40. Bxd6 Bc6 $11) ({Not} 40. Nxd6 g5 $17) 40... Qa1+ {[#]
} 41. Kg2 $1 Qe1 42. Qb8+ ({Worse is} 42. Qxd7 Qe2+ 43. Kh3 (43. Kg1 Qe1+ 44.
Kg2 Qe2+ 45. Kh3 Qf1+ 46. Kh2 Qf2+ 47. Kh3 Qf1+ 48. Kh2 Qf2+ 49. Kh3 Qf1+ $11)
43... Qf1+ 44. Kh2 Qf2+ 45. Kh3 Qf1+ 46. Kh2 Qf2+ 47. Kh3 Qf1+ $11) 42... Kh7
43. Qe5 Qd1 44. Qxf5+ g6 45. Qf7+ Ng7 {( -> ...Qe2+)} 46. Be3 $4 {[%mdl 8192] 
[#]} (46. Kf2 $18) 46... Bh3+ $1 $19 {[%mdl 512]} 47. Kh2 {[#]} (47. Kxh3 Qh1+)
47... Qf1 $1 {[%mdl 512] Black used his chance.  Weighted Error Value: White=0.
36/Black=0.16} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.5"]
[White "Nakamura, Hikaru"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2829"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,15,15,9,11,10,13,10,10,10,9,3,10,9,17,0,10,8,12,10,16,18,23,0,0,0,
0,0,0,0,0,0,0,0,29,21,20,25,25,27,25,26,33,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4
Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 Nh5 8. Bd3 {
D37: Queen's Gambit Declined: 5 Bf4.} (8. Be2 Nxf4 9. exf4 b6 10. b4 a5 11. a3
c6 12. O-O Ba6 13. Qc2 Bxe2 14. Nxe2 Ra7 15. Rab1 axb4 16. axb4 Qa8 17. Nc1 Rb8
18. Nd3 Ra2 19. Qd1 bxc5 20. bxc5 Rxb1 21. Qxb1 Bf6 22. h4 h6 23. h5 Ra4 24.
Qb2 {1/2-1/2 (47) Nakamura,H (2736)-Radjabov,T (2765) chess.com INT 2020}) 8...
Nxf4 9. exf4 b6 10. b4 $1 a5 11. a3 c6 12. O-O Qc7 {[%cal Rb6c5] 12...Ba6 is
more fashionable.} 13. g3 Ba6 14. Re1 {has lost popularity (14.Bxa6).} Bf6 15.
Ne5 Bxd3 (15... Nxe5 {feels hotter.} 16. fxe5 Bd8 17. h4 Bxd3 18. Qxd3 Qa7) 16.
Qxd3 Bxe5 17. fxe5 Ra7 {[#]} 18. Ne2 $146 ({Predecessor:} 18. Rab1 axb4 19.
axb4 Rfa8 20. Kg2 Ra3 21. Qc2 bxc5 22. bxc5 Qa5 23. Rec1 h5 24. h4 {1/2-1/2 
(60) Buhmann,R (2633)-Azarov,S (2577) Bad Wiessee 2016}) 18... Rfa8 {[#]
Threatens to win with ...axb4.} 19. Rab1 axb4 20. axb4 Ra3 21. Rb3 Rxb3 22.
Qxb3 Qa7 23. Rb1 bxc5 24. bxc5 Rb8 25. Qd1 Rxb1 26. Qxb1 Nf8 27. h4 Qa6 28. Qb2
Qd3 {The position is equal.} 29. Nf4 Qd1+ 30. Kg2 Ng6 31. Qb8+ Nf8 32. Qb2 Ng6
33. Qb8+ Nf8 34. Qb2 {A rather calm draw.  Weighted Error Value: White=0.04/
Black=0.02} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.6"]
[White "Le, Quang Liem"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2744"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,11,9,9,9,9,9,9,7,7,13,11,10,12,10,14,12,10,10,11,17,10,10,9,18,9,
22,9,6,13,13,6,9,9,9,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3
d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 e5 9. cxd5 cxd5 10. Nb5
Bb4+ 11. Bd2 Bxd2+ 12. Nxd2 a6 {The position is equal.} 13. dxe5 {D45:
Semi-Slav: 5 e3.} Nxe5 14. Nd4 Bg4 15. Bxg4 Nfxg4 16. O-O Rc8 ({Reject} 16...
Qh4 $6 17. h3 $16) 17. Qf5 {[#] Hoping for h3.} g6 ({Don't go for} 17... Qh4 $2
18. h3 $18) 18. Qf4 {Black must now prevent h3.} Qe7 19. N2f3 Nxf3+ 20. Qxf3
Nf6 21. Rfc1 Ne4 22. Qd1 Qf6 {[#]} 23. Rc2 $146 ({Predecessor:} 23. Qe2 Rfd8
24. h3 h5 25. Rc2 Rxc2 26. Qxc2 Nd6 27. Rc1 Rc8 28. Qd1 Rxc1 29. Qxc1 {1/2-1/2
(37) Giri,A (2764)-Carlsen,M (2863) chess24.com INT 2020}) 23... Rc5 24. Rac1
Rfc8 25. f3 Rxc2 $1 26. Rxc2 Rxc2 27. Qxc2 Nd6 28. h3 Nb5 29. Nxb5 axb5 $11 {
[%mdl 4096] Endgame KQ-KQ} 30. Qc8+ Kg7 {Black wants to play ...Qa1+.} 31. Qxb7
Qa1+ 32. Kh2 Qe5+ {[%mdl 64] [#] Double Attack} 33. Kh1 Qa1+ 34. Kh2 Qe5+ {
[%mdl 64] Double Attack} 35. Kh1 Qa1+ 36. Kh2 {An uneventful encounter. 
Weighted Error Value: White=0.02/Black=0.00} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.7"]
[White "Vidit, Santosh Gujrathi"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2636"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,-4,0,34,23,77,81,80,93,106,101,119,114,91,93,75,75,79,80,71,30,45,
31,46,21,22,14,10,22,15,16,37,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5.
cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. h3 O-O 9. Be2 Nc6 10. Be3 Qa5 {[#] White
must now prevent ...cxd4. D85: Exchange Grünfeld: Unusual White 7th moves and
lines with 7 Nf3.} 11. O-O cxd4 $5 {[%mdl 4] Exploring less charted territory.}
(11... b6 $11 {keeps the balance.}) 12. cxd4 $16 {[#]} Bd7 $5 $146 {[%mdl 8]
White is better. An interesting novelty.} ({Predecessor:} 12... b6 13. d5 Ne5
14. Nxe5 Bxe5 15. Bd4 Bxd4 16. Qxd4 Ba6 17. Bxa6 Qxa6 18. e5 Rfd8 {1-0 (41)
Parligras,M (2591)-Almeida Junior,A (2174) Chess.com INT 2020}) 13. Rb1 b6 14.
a4 Nd8 15. Bb5 Bxb5 16. axb5 {[#] And now Qb3 would win.} Qa2 17. Qd3 Nb7 18.
Ra1 Qe6 19. Ra6 Qd7 {...Nc5! is the strong threat.} 20. Ra3 Rfc8 21. e5 Na5 22.
Rc1 Rxc1+ 23. Bxc1 Rc8 24. Rc3 e6 25. Ba3 h6 {The position is equal.} 26. Bd6
Rxc3 27. Qxc3 Qxb5 28. Qc8+ Kh7 29. Qc7 Qb1+ 30. Kh2 Qf5 31. Qxa7 Nc4 32. Qc7
b5 33. Qc6 Qf4+ 34. Kg1 Qc1+ 35. Kh2 Qb2 36. Qe8 Nd2 $1 {[%cal Rd2f3] aiming
for ...Nxf3+.} ({Wrong is} 36... Qxf2 $2 37. Qxf7 Nxd6 38. exd6 $18) 37. Nxd2
Qxd2 38. Qxf7 {Intending Bf8 and mate.} Qxd4 39. f4 {White threatens Bf8 and
mate.} g5 40. fxg5 hxg5 41. Qh5+ Bh6 42. Qf7+ Bg7 43. Qh5+ Bh6 44. Qf7+ Bg7 {
Weighted Error Value: White=0.04/Black=0.06} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "12.8"]
[White "So, Wesley"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2741"]
[BlackElo "2742"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:
00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:00]}
Nxd5 {[%emt 0:00:00]} 5. e4 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 6. bxc3 {
[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 7. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]
} 8. Rb1 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 9. Be2 {[%emt 0:00:00]} cxd4 {
[%emt 0:00:04]} 10. cxd4 {[%emt 0:00:01]} Qa5+ {[%emt 0:00:02]} 11. Bd2 {
[%emt 0:00:01]} Qxa2 {[%emt 0:00:01]} 12. O-O {[%emt 0:00:01]} Bg4 {[%emt 0:00:
01]} 13. Rxb7 {[%emt 0:00:01]} Bxf3 {[%emt 0:00:02]} 14. Bxf3 {[%emt 0:00:00]}
Bxd4 {[%emt 0:00:03]} 15. e5 {[%emt 0:00:01]} Na6 {[%emt 0:00:15]} 16. Rxe7 {
[%emt 0:00:04]} Rad8 {[%emt 0:00:12]} 17. e6 {[%emt 0:00:02]} fxe6 {[%emt 0:00:
38]} 18. Qe1 {[%emt 0:00:03]} Bf6 {[%emt 0:00:24]} 19. Rxa7 {[%emt 0:00:03]}
Rxd2 {[%emt 0:00:04]} 20. Rxa6 {[%emt 0:00:02]} Qxa6 {[%emt 0:00:01]} 21. Qxd2
{[%emt 0:00:01]} Qb6 {[%emt 0:04:07]} 22. g3 {[%emt 0:00:02]} Bd4 {[%emt 0:00:
09]} 23. Kg2 {[%emt 0:00:05]} Kg7 {[%emt 0:00:13]} 24. Be4 {[%emt 0:00:56]} Qb2
{[%emt 0:00:15]} 25. Qxb2 {[%emt 0:00:01]} Bxb2 {[%emt 0:00:01]} 26. Rb1 {
[%emt 0:00:01]} Bd4 {[%emt 0:00:03]} 27. Rb7+ {[%emt 0:00:00]} Rf7 {[%emt 0:00:
02]} 28. Rxf7+ {[%emt 0:00:01]} Kxf7 {[%emt 0:00:01]} 29. f3 {[%emt 0:00:03]}
h6 {[%emt 0:00:02]} 30. g4 {[%emt 0:00:00]} g5 {[%emt 0:00:01]} 31. Bd3 {
[%emt 0:00:00]} Be5 {[%emt 0:00:01]} 32. Be4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:
01]} 33. h3 {[%emt 0:00:02]} Bf4 {[%emt 0:00:01]} 34. Bd3 {[%emt 0:00:00]} Be5
{[%emt 0:00:01]} 35. Be4 {[%emt 0:00:00]} Bf4 {[%emt 0:00:01]} 36. Bd3 {
[%emt 0:00:00]} Be5 {[%emt 0:00:01]} 37. Be4 {[%emt 0:00:00]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.1"]
[White "Svidler, Peter"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2742"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,28,13,17,3,15,6,19,-22,33,-13,14,-8,41,7,18,0,21,-14,-14,-20,0,
-70,28,39,12,0,0,0,0,0,0,0,0,0,0,-525,228,231,235,240,252,250,229,239,234,236,
236,137,378,371,379,381,386,379,382,378,366,375,347,376,360,323,481,507,512,
500,487,490,471,458]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Nb3 e6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.
} 7. g4 b5 8. Bg2 {e5! is the strong threat.} Bb7 {The position is equal.} 9.
g5 Nfd7 (9... b4 $11) 10. h4 Be7 (10... b4 $5 {[%cal Rb4c3]} 11. Ne2 a5 $11)
11. f4 h6 (11... b4 $5 {[%cal Rb4c3]} 12. Ne2 Nc6 $11) 12. Qg4 Nc6 {[%cal
Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 13. Be3 {[#]} Na5 $146 ({Predecessor:} 13... hxg5
14. hxg5 Rxh1+ 15. Bxh1 g6 16. O-O-O Qc7 17. Qg1 O-O-O 18. Kb1 Kb8 19. Ne2 Rc8
{1-0 (36) Vidic,T (2102)-Rozman,M (2130) Maribor 2017}) 14. O-O-O Nc4 15. Bf2
Qc7 16. Nd4 (16. f5 $11) 16... h5 (16... Rc8 $1 $15 17. g6 O-O) 17. Qh3 $11 b4
18. g6 {aiming for gxf7+.} bxc3 19. gxf7+ Kxf7 20. Qxe6+ Kf8 21. Qf5+ $1 Kg8
22. Qe6+ $1 {[%mdl 64] Double Attack} Kh7 23. Bh3 $2 {[%mdl 8192]} (23. Qf5+
$11 {and White is okay.} Kg8 24. Qe6+ {[%mdl 64] Double Attack} Kf8 25. b3)
23... Bf6 $4 {[%mdl 8192]} (23... cxb2+ $19 {and life is good for Black.} 24.
Kb1 Rhc8) 24. Bf5+ $40 {[%mdl 128] White is out for blood.} Kh6 25. b3 {
Threatens to win with Qf7!} Nf8 (25... Qa5 26. Rdg1 $18) 26. Qxc4 Qxc4 27. bxc4
g6 28. Rhg1 Rg8 29. Nb3 (29. Nf3 $18) 29... Re8 $2 {This costs Black the game.}
(29... Rg7 $16) 30. Rxd6 Be7 {[#]} 31. Rb6 $1 {[%cal Rb6b7]} Bxe4 32. Bxe4 Ba3+
33. Kb1 Rxe4 34. Rxa6 Be7 35. Re1 Rxe1+ 36. Bxe1 Nd7 (36... Nh7 $142 37. Nd4 (
37. Bxc3 Bxh4 38. f5 Bd8 $18) 37... Rf8) 37. Ra7 {White is clearly winning.}
Rd8 38. Bxc3 Bxh4 39. Ba5 Bf2 {[#]} 40. c5 $1 {Weighted Error Value: White=0.
33/Black=0.47} ({Less strong is} 40. Bxd8 Bxa7 41. Bg5+ Kg7 $16) 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.2"]
[White "Nepomniachtchi, Ian"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,137,14,12,22,12,9,0,4,0,18,4,14,0,22,0,0,0,14,6,17,11,8,0,0,0,0,-43,
-59,-139,-144,-137,-141,-140,-133,-141,-125,-141,-137,-165,-141,-133,-133,-137,
-110,-308,-292,-352,-347,-743,-754,-719,-666,-600,-219,-231,-219,-209,-83,-87,
-86,-173,-65,-65,-32,-32,-33,-37,-8,-8,-8,-8,-8,-8,-8,-8,-8,-54,-54,-75,-37,
-37,-37,-38,0,-17,-19,-45,-43,-47,0,-45,0,-45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6
6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 $1 {10...Re8 scores
better than 10...Nf5. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Rxe8+
Nxe8 12. d5 d6 {[#]} 13. h3 $146 ({Predecessor:} 13. Nd2 Bg5 14. a4 a5 15. Ra3
Bd7 16. g3 Nf6 17. Bg2 Qe8 18. c4 b6 19. h3 {0-1 (45) Abdusattorov,N (2627)-So,
W (2770) Chess.com INT 2020}) 13... Bd7 14. Qd3 a5 15. Nc3 Bg5 16. Bxg5 Qxg5
17. Re1 Nf6 18. Ne4 Nxe4 19. Qxe4 h6 20. h4 Qd2 21. Re2 Qb4 22. Qe7 Bb5 23. c4
(23. Re4 $15 Qxb2 {[%mdl 64] Double Attack} 24. Bxb5 Qxb5 25. c4 Qb1+ 26. Re1
Qxa2 27. Qxc7) 23... Qxc4 $17 ({But not} 23... Bxc4 $2 24. Re4 $18) 24. Re1
Qxd5 {White must now prevent ...Re8.} 25. Qxc7 Bxf1 26. Kxf1 {[%mdl 4096]
Endgame KQR-KQR} Qb5+ $1 27. Kg1 Qxb2 28. Re7 Qxa2 29. Qxb7 Rf8 30. g3 a4 31.
Qa6 $2 (31. Qc6 $17 {might work better.}) 31... d5 32. Ra7 Qb1+ 33. Kh2 $2 (33.
Qf1 Qe4 34. Qg2) 33... Qc2 $19 34. Qb6 Re8 35. Rc7 Qb3 $2 (35... Qf5 36. Qb2 a3
$1 {[%mdl 512]}) 36. Qc6 {[#]} Rf8 $1 37. Ra7 {[#]} a3 (37... Qf3 $1 $19 {
[%cal Rf3f2]} 38. Qc2 a3) 38. Qc5 $17 a2 {And now ...Qb2 would win.} 39. Qa5 (
39. Qa3 $17 {keeps fighting.} Qd1 40. Qxa2) 39... h5 (39... d4 $19 40. Qxa2 Qf3
) 40. Qxa2 $15 Qxa2 (40... Qf3 {with more complications.} 41. Ra4 Qf6 42. Rf4
Qe6 43. Qa5 Qd7) 41. Rxa2 {KR-KR} Rd8 42. Kg2 Kh7 43. Kf3 Kg6 44. Kf4 Rd7 45.
Ra6+ f6 46. Ra3 Kf7 47. Ke3 Ke6 48. Kf4 g6 49. Ra6+ Rd6 50. Ra3 Rd7 51. Ra6+
Ke7 52. Ke3 Rd6 53. Ra3 Ke6 54. Kf4 Kd7 55. Ke3 Re6+ 56. Kd4 {The position is
equal.} Re5 57. Ra6 Ke7 58. f4 Re4+ 59. Kxd5 Re3 60. Ra7+ Kf8 61. Rb7 {Cut Off
at move 61} Kg8 62. Ra7 Kf8 63. Rb7 Rxg3 64. Ke6 Rg4 65. Kxf6 {[%cal Rb7b8]}
Rxf4+ 66. Kxg6 Rxh4 67. Rb5 Rh3 68. Rxh5 Rxh5 69. Kxh5 {White happily takes
the draw.  Weighted Error Value: White=0.23/Black=0.21} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.3"]
[White "Carlsen, Magnus"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2881"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,12,12,15,10,12,12,12,13,7,18,14,27,23,25,17,31,31,39,36,37,20,30,
26,74,14,14,20,37,46,35,43,47,-784,12,18,18,27,164,180,180,180,164,177,233,231,
242,240,238,226,214,115,229,263,356,299,241,144,145,145,152,152,152,152,152,
152,29981,29982,29982,29977,29968,29978,29978,29979,29977,29979,29977,29975,
29974,29975,29980,29981,29981,29982,29982,29983,29986,29986,29987,29988,29988,
29988]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. a4 d6 6. a5 {C50:
Hungarian Defence and Giuoco Pianissimo.} a6 7. c3 Ba7 8. O-O {The position is
equal.} O-O 9. Be3 Bxe3 10. fxe3 {[#]} Be6 $146 ({Predecessor:} 10... Qe7 11.
Nbd2 Be6 12. Qb3 Rab8 13. Bxe6 Qxe6 14. Qxe6 fxe6 15. d4 Rfe8 16. dxe5 Nxe5 17.
Nxe5 dxe5 18. Ra4 Red8 19. Nc4 {1/2-1/2 (19) Kollars,D (2588)-Donchenko,A 
(2658) Bremen 2020}) 11. Bxe6 fxe6 12. Nbd2 d5 13. Qb3 Qd6 14. exd5 (14. Qxb7
$2 Rfb8 $19) 14... Qxd5 15. e4 Qxd3 16. Qxb7 Nxe4 17. Qxc6 ({White should try} 
17. Nxe4 $16 Qxe4 18. Qxc7) 17... Nxd2 $11 18. Nxd2 Qxd2 19. Qxe6+ Kh8 20. Qxa6
$40 {[%mdl 128] White mounts an attack.} Qxb2 21. Rxf8+ Rxf8 22. Rf1 Rxf1+ $1
23. Qxf1 {[%cal Rf1f8][%mdl 4096] Endgame KQ-KQ} h6 (23... Qa3 $11) 24. Qf8+
$18 Kh7 25. Qf5+ {[%mdl 64] Double Attack} Kh8 26. Qxe5 Qc1+ (26... c6 $142 27.
h3 Kg8 28. Qe6+ Kh8 29. Qc8+ (29. Qxc6 Qa1+ 30. Kf2 Qxa5 $18) 29... Kh7) 27.
Kf2 Qd2+ 28. Kf3 Qd3+ {[#]} 29. Kf4 $1 {Black must now prevent Qe8+.} Qd2+ {[#]
} 30. Kf5 (30. Ke4 $1 $18) 30... Qd3+ (30... c5 $16 31. Qe8+ Kh7) 31. Ke6 Qc4+
32. Kd7 c5 33. Qb8+ (33. Kd8 $18) 33... Kh7 $16 34. Qb1+ Kh8 35. Qb6 {aiming
for a6.} Qxc3 36. a6 Qd2+ 37. Kc8 {And now Qd8+ would win.} c4 $2 (37... Qxg2
$16 38. a7 Qg4+ 39. Kb8 Qf4+ 40. Kb7 Qe4+ 41. Qc6 Qb4+ 42. Kc7 Qf4+ 43. Kb6
Qb4+ 44. Kc7 Qf4+ 45. Kd8 Qg5+ 46. Ke8 Qh5+ 47. Kf8 Qf5+ 48. Ke8 Qh5+ 49. Kd8
Qh4+ 50. Ke8 Qh5+) 38. a7 {White mates.} ({Not} 38. Qd8+ Qxd8+ 39. Kxd8 c3 $11)
38... Qxg2 39. Qb8 Qc6+ 40. Kd8 Qd5+ 41. Ke7+ Kh7 42. a8=Q Qg5+ 43. Kd7 Qf5+
44. Kc6 Qe4+ 45. Kc5 Qe3+ 46. Kxc4 Qe2+ 47. Kb3 Qd3+ 48. Kb2 Qd2+ 49. Ka1 Qd4+
50. Qb2 {Weighted Error Value: White=0.19/Black=0.32} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.4"]
[White "Radjabov, Teimour"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2758"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,134,18,13,18,18,3,3,7,8,16,8,5,8,3,8,0,13,0,0,-22,-26,-22,-10,-20,0,0,
-8,-22,13,8,8,0,12,0,53,40,75,77,80,0,0,0,0,0,0,0,0,-8,0,0,7,0,41,6,73,72,110,
105,105,106,118,113,125,107,109,108,103,123,134,0,268,45,130,120,130,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. c5 (5. cxd5 exd5 6.
Bg5 Be6 7. e3 Nbd7 8. Bd3 c6 9. Qc2 Bd6 10. Bh4 h6 11. a3 O-O 12. O-O Re8 13.
Rfc1 Qb8 14. Bg3 Bxg3 15. hxg3 Nb6 16. Ne2 Nc8 17. Nf4 {0-1 (77) Radjabov,T 
(2765)-Le,Q (2709) chess24.com INT 2020}) 5... b6 6. cxb6 $1 {D37: Queen's
Gambit Declined: 5 Bf4.} cxb6 7. Bg5 Be7 8. e3 O-O 9. Bd3 Nbd7 10. O-O Bb7 {[#]
} 11. Qb1 $146 ({Predecessor:} 11. Qe2 Ne4 12. Bxe7 Qxe7 13. Rac1 Rfc8 14. Rc2
b5 15. Rfc1 Nb6 16. Nd2 Nxd2 17. Qxd2 {1-0 (40) Unzicker,F (2314)-Neuschmied,S
(2282) Bayern 2018}) 11... h6 12. Bf4 Rc8 13. a4 Nh5 14. h3 Nxf4 15. exf4 Bb4
16. Rc1 Nf6 17. Qc2 {[#]} Ne4 $1 {[%mdl 512]} 18. Qb3 (18. Nxe4 Rxc2) 18... Bd6
19. Ne2 Rc7 20. g3 g5 21. Ne5 gxf4 ({Black should play} 21... Kg7 $11) 22. Nxf4
$14 Bxe5 23. dxe5 d4 24. Qd1 ({Reject} 24. Nxe6 $6 fxe6 25. Qxe6+ Rcf7 $11) (
24. Bxe4 $16 Bxe4 25. Qb4) 24... Ng5 $11 {[%cal Be4g5,Bg5f3,Bf3h2][%mdl 32]}
25. Qg4 f5 26. Qe2 ({Of course not} 26. exf6 Rxf6 27. Rxc7 Qxc7 $17) 26... Nf3+
27. Kf1 Nh2+ 28. Ke1 Nf3+ 29. Kd1 Ng5 $1 30. Qd2 {And now h4 would win.} Bf3+
31. Be2 {With the idea Bxf3.} (31. Ke1 $5 {[%cal Rh3h4]} Bh5 32. Qb4 $11) 31...
Rxc1+ (31... Qd7 $11) 32. Rxc1 $16 Qd7 33. Bxf3 Nxf3 34. Qb4 Nxe5 35. Qxb6 {
[%mdl 64] Double Attack} Qxa4+ 36. b3 Qb5 {( -> ...Qf1+)} 37. Qxe6+ Rf7 38. Kc2
(38. Qxh6 {leads to mate.} Qf1+ 39. Kd2 Nf3+ 40. Kc2 Rc7+ 41. Qc6 Rxc6+ 42. Kb1
Qxc1+ 43. Ka2 Rc2#) 38... d3+ 39. Kb2 (39. Kd1 $16 d2 40. Kxd2) 39... d2 $2 {
[%mdl 8192] [#]} (39... Kh7 $11 {and Black is okay.}) 40. Rd1 $2 ({Only move:} 
40. Rc8+ $1 $18 Kh7 41. Rd8) 40... Nd3+ (40... Qa5 $1 $14) 41. Nxd3 Qxd3 {
[%mdl 4096] Endgame [#] KQR-KQR} 42. Qc8+ (42. Qc4 $1 $16 {[%cal Rc4d3]} Qd6
43. Kc2) 42... Kh7 $11 {The position is equal.} 43. Qc3 Rd7 44. Qxd3 Rxd3 {
KR-KR} 45. Kc2 Rf3 $1 46. Rxd2 f4 47. gxf4 Rxh3 48. Rd7+ Kg6 49. Rd6+ Kf5 50.
Rxa6 h5 51. b4 Rf3 52. b5 Rxf2+ 53. Kc3 {Black must now prevent b6.} Rf3+ 54.
Kc4 Rxf4+ 55. Kc5 Rf1 56. Rh6 Rc1+ 57. Kd6 Kg4 58. b6 h4 59. b7 Rb1 60. Kc7 (
60. Kc6 {keeps more tension.} h3 61. Kc7 Rc1+ 62. Kd6 Rb1 63. Kc6) 60... Rxb7+
61. Kxb7 {KR-KP. Cut Off at move 61} h3 62. Kc6 Kg3 63. Kd5 h2 64. Ke4 Kg2 65.
Rg6+ Kf2 66. Rh6 Kg2 67. Rxh2+ Kxh2 {Weighted Error Value: White=0.18/Black=0.
18} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.5"]
[White "Anton Guijarro, David"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2667"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,1,12,11,2,10,11,0,0,0,1,0,0,0,0,0,11,0,0,0,0,0,0,0,21,0,0,0,41,0,
41,0,0,0,0,0,20,0,0,-12,-21,-6,-8,-59,-63,-63,-63,-71,-57,-62,-72,-122,-107,
-151,-121,-106,-108,-118,-116,-119,-110,-177,-109,-116,-66,-62,-83,-79,-84,-75,
-95,-70,-22,-26,0,0,0,-23,-22,-10,-11,-17,-10,-70,-68,-78,-57,-85,-68,-68,-67,
-89,-70,-191,-91,-179,-178,-541,-534,-520,-515,-450,-443,-5893,-5886,-5857,
-5636,-5610,-5582,-5536,-5344,-4618,-937]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
O-O 5. Bd2 c5 6. a3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without
early Bd3.} Bxc3 7. Bxc3 Ne4 8. Ne2 {The position is equal.} b6 9. d5 Bb7 10.
f3 Nxc3 11. Nxc3 exd5 12. cxd5 d6 13. e4 a6 {[#]} 14. Bd3 $146 ({Predecessor:} 
14. a4 Nd7 15. Be2 f5 16. exf5 Rxf5 17. O-O Qg5 18. Qc1 Qf4 19. Qxf4 Rxf4 20.
Ne4 Bxd5 {1/2-1/2 (38) Bluebaum,M (2647)-Sarana,A (2654) chess.com INT 2020})
14... b5 15. Qd2 Nd7 16. O-O Qf6 17. Kh1 Ne5 18. Be2 g5 19. Nd1 Ng6 20. Ne3 Bc8
21. g3 Bh3 22. Rf2 Rac8 23. Bf1 Bd7 $1 24. Bg2 c4 25. Rc1 Ne5 {[%cal Bg6e5,
Be5d7,Bd7f6][%mdl 32]} 26. Qd4 ({Better is} 26. Rff1 $11) 26... Qg7 $15 {
Strongly threatening ...Nd3.} 27. Bf1 f5 28. exf5 Bxf5 29. Nxf5 Rxf5 30. Be2
Nd7 31. Qd2 Nf6 {White must now prevent ...Ne4!} 32. Qc2 Rxd5 33. f4 g4 34. Bf1
Qg6 35. f5 (35. Bg2 $17 {keeps fighting.} Rd3 36. Rd1) 35... Qg5 ({Black
should try} 35... Qf7 $19 36. Bg2 Re5) 36. Re1 $17 Re5 37. Rxe5 dxe5 38. Qd1
Qe3 39. Qd6 {[#]} Rf8 $1 ({Reject} 39... Qxf2 40. Qe6+ Kh8 41. Qxf6+ Kg8 42.
Qe6+ Kg7 43. Qxe5+ Kf8 44. Bg2 $11) 40. Re2 Qf3+ (40... Qd4 $5 {[%cal Rd4d6]}
41. Qxa6 Qd5+ 42. Kg1 Qc5+ 43. Kh1 Qd5+ 44. Kg1 Qd4+ 45. Kg2 Qd5+ 46. Kg1 $17)
41. Kg1 Qxf5 {...Ne4 is the strong threat.} 42. Rxe5 ({Avoid the trap} 42. Rf2
$2 {[#]} Qxf2+ $1 {[%mdl 512]} 43. Kxf2 Ne4+ 44. Ke2 Nxd6 $19) 42... Qd7 $40 {
[%mdl 128] Black is up to no good.} 43. Rg5+ Kf7 44. Qxd7+ ({Don't blunder} 44.
Qxa6 $2 Qd4+ 45. Kh1 Qe4+ 46. Kg1 Qe3+ 47. Kg2 Qxg5 $19) 44... Nxd7 45. Rxg4
Nc5 (45... Re8 {seems wilder.} 46. Kf2 Nc5 47. Rd4 Re6 48. Be2 Rh6) 46. Bxc4+ (
46. Rf4+ $11 Ke8 47. Rh4) 46... bxc4 $15 47. Rxc4 $11 {[%mdl 4096] Endgame
KRN-KR} Ne6 48. Ra4 Rb8 49. Rxa6 Rxb2 50. a4 Nd4 {Hoping for ...Nf3+.} 51. h4 (
51. Ra7+ $15 Kg6 52. h3) 51... Kg7 (51... Nf5 $19 {has better winning chances.}
52. Ra7+ Kg8) 52. a5 (52. h5 $17 {might work better.}) 52... Nf5 $19 53. Ra8 $2
(53. Rb6 {is tougher.} Ra2 54. Rb7+ Kh6 55. a6) 53... Nxg3 {Black is clearly
winning.} 54. a6 Ra2 55. Ra7+ Kh6 56. Ra8 (56. Rf7 $142 Rxa6 57. Kg2) 56... Kh5
57. a7 Kxh4 {( -> ...Kh3)} 58. Rb8 Rxa7 59. Kg2 Nf5 60. Kf3 Kg5 {Weighted
Error Value: White=0.35/Black=0.10} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.6"]
[White "Firouzja, Alireza"]
[Black "Karjakin, Sergey"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2703"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,109,11,8,9,0,4,0,33,36,36,43,56,45,43,43,50,36,60,54,59,41,57,68,85,
79,93,95,81,92,92,70,79,83,93,89,75,74,74,64,110,64,64,65,74,74,203,70,65,67,
76,84,139,128,131,162,558,562,1130,1118,1114,1108,1108,1085,1012,1012,1370,
1351,2342,2162,1803,1685,29968,29969,29972,29973,29971,29970,29978,29979,29979,
29980,29981,29980,29980,29980]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O
O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nd4 Na6 10. c6 Nd5 11. Nab5 Nab4 12.
Nxc3 Nxc3 13. bxc3 Nxc6 14. Be3 Bd7 {D75: Fianchetto Grünfeld: Main Line with
7...c5.} 15. Rb1 Na5 16. Nb3 {Threatens to win with Nxa5.} Nxb3 {[#] The
position is equal.} 17. Rxb3 $146 ({Predecessor:} 17. Qxb3 Bc6 18. Bxc6 bxc6
19. Bc5 Bf6 20. Rfd1 Qa5 21. Bb4 Qe5 22. Qc4 a5 23. Bc5 Qxc3 24. Qxc3 Bxc3 25.
Bxe7 Rfb8 26. Rbc1 {1-0 (61) Phiri,R (2166)-Ristovich,D Gauteng 2011}) 17...
Bc6 18. Bxc6 bxc6 19. Qxd8 Rfxd8 20. Rfb1 a5 21. Ra3 h5 22. Kg2 e6 23. Rb6 a4
24. c4 c5 25. Rd3 ({Of course not} 25. Bxc5 $6 Rdc8 $11) 25... Rdb8 26. Rdd6
Bf8 27. Rxb8 Rxb8 $16 {[%mdl 4096] Endgame KRB-KRB} 28. Ra6 $1 Rb2 29. Rxa4
Rxe2 30. Kf3 Rb2 31. Ra8 {aiming for Bxc5.} Kg7 32. Ke4 Be7 33. a4 g5 $1 34. a5
Ra2 35. a6 Ra3 (35... g4 $16) 36. Bc1 (36. Ra7 $1 $18) 36... Ra2 $14 37. Kd3
Bf6 {White stays focused until the end.} 38. Be3 Ra5 (38... Be7 $142) 39. Kc2
$16 g4 {[#]} 40. Kb3 $1 Be5 $2 (40... Kh7 {is tougher.} 41. a7 Be7) 41. a7 $18
Bf6 {[#]} 42. Bxc5 $1 {[%mdl 576] Promotion} Rxc5 {KRB-KR} 43. Rb8 Ra5 44. a8=Q
Rxa8 45. Rxa8 {KR-KB} Bd4 46. Kb4 Bxf2 47. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} h4
48. gxh4 Bxh4 49. Kb5 {White mates.} Bf6 50. Ra4 Be5 51. Rxg4+ Kh6 52. c6 f5
53. Rg8 f4 {[#]} 54. Re8 $1 Kg5 55. Rxe6 {Weighted Error Value: White=0.07/
Black=0.40} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.7"]
[White "Aronian, Levon"]
[Black "Giri, Anish"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2778"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,0,0,6,3,0,16,16,23,0,0,0,0,5,15,0,0,0,0,0,0,-7,-16,-22,-12,-20,-8,
-13,15,0,4,17,20,-8,35,34,47,24,77,37,102,113,135,112,117,26,242,236,277,260,
248,256,285,254,248,254,741,720,29995,29996]} 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4.
d3 e6 5. O-O Be7 6. c3 {B50: Sicilian: 2...d6, Miscellaneous.} O-O 7. Re1 a6 8.
Bb3 {The position is equal.} b5 9. Bf4 Bb7 10. Nbd2 Nbd7 11. h3 {[#]} Re8 $146
({Predecessor:} 11... Qb6 12. Bc2 Rac8 13. Qe2 Rfe8 14. Rad1 Bf8 15. Bh2 g6 16.
Bb1 e5 17. a3 Bg7 {0-1 (63) Kirchner,T (2311)-Braeuer,F (2445) Magdeburg 2019})
12. d4 cxd4 13. cxd4 Nb6 14. Qe2 Rc8 15. Bh2 h6 16. Rad1 d5 17. e5 Ne4 18. Bf4
{[%cal Rd2e4]} Na4 19. Rb1 Nb6 20. Nf1 {[%cal Bd2f1,Bf1g3,Bg3e2][%mdl 32]} Nc4
21. Ng3 a5 22. Bc2 Ncd2 23. Rbc1 Nxf3+ (23... Nxg3 $11 {remains equal.} 24.
fxg3 Ne4) 24. Qxf3 {[%cal Rg3e4]} Rc4 (24... Bg5 $14) 25. Ne2 b4 26. Qg4 $36 {
[%mdl 2048] White is really pushing.} Bg5 27. f3 (27. Bd3 $16) 27... f5 $2 {
This move loses the game for Black.} (27... Bxf4 $1 $11 28. Qxf4 Nc5) 28. exf6
$1 $18 {[%mdl 64] [#] Overworked Piece} Nxf6 29. Bxg5 hxg5 30. Qxg5 Qd6 31. Bd3
Rxc1 32. Rxc1 Ba6 $2 (32... Rf8 33. Qf4 Rd8) 33. Bxa6 {[%mdl 64] [#]
Overworked Piece} Qxa6 34. Rc7 {Weighted Error Value: White=0.10/Black=0.52}
1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "13.8"]
[White "Duda, Jan-Krzysztof"]
[Black "Ding, Liren"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2774"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,127,25,16,18,12,10,-59,17,12,8,12,31,12,12,12,12,12,12,11,15,12,14,6,
51,4,31,11,18,16,10,12,16,15,10,10,43,36,49,39,46,37,54,25,28,29,27,29,37,35,
35,38,40,38,47,45,47,54,55,55,56,62,57,58,72,64,55,48,148,133,135,120,148,142,
161,154,368,391,359,355,326,188,208,171,179,193,152,125,430,405,957,921,5539,
611,476,147,29950,29951,29952,29953,29962,29958,29977,29978,29978,29979]} 1. d4
Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O e5 9.
cxd5 cxd5 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 h6 13. Nxd4 {13.b3 is not played
anymore.} Qh4 {[%csl Gd6][%cal Rh4h2] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black
avoids the Meran.} 14. Nf3 Qh5 15. Bh7+ Kh8 {...g6 is the strong threat.Black
is slightly better.} 16. Qf5 $1 {[%cal Rf5h5]} Qxf5 17. Bxf5 Nf6 18. Bxc8 (18.
Bd3 {feels hotter.} b6 19. Bc4 Bb7 20. b3 Rad8 21. Rd1) 18... Rfxc8 19. Rd1 Rd8
20. Be3 Be7 21. d6 Bxd6 {[#]} 22. Kf1 $146 ({Predecessor:} 22. Rac1 Kg8 23. h3
Be7 24. Rxd8+ {1/2-1/2 (24) Lenic,L (2634)-Motylev,A (2676) Germany 2013})
22... Kg8 23. Rac1 a6 24. Rc4 Rd7 25. g3 Rc7 26. Rxc7 Bxc7 27. Rd3 Rd8 28. Rb3
b5 29. Ra3 a5 30. Rc3 Nd5 31. Rc5 b4 32. Ke2 a4 33. Bd4 a3 34. bxa3 bxa3 35.
Rb5 Ne7 36. Bc5 Rd5 37. Nd4 Nf5 38. Nb3 g5 39. Rb4 Bd6 40. Bxd6 Nxd6 $14 {
[%mdl 4096] Endgame KRN-KRN} 41. Rd4 Re5+ 42. Kd3 $1 Nf5 43. Ra4 Re1 44. Rxa3
Rh1 45. Ra5 Ng7 (45... Ne7 $1 $14) 46. a4 Rxh2 47. Ke3 Ne6 48. Rb5 {aiming for
a5.} Rh1 49. a5 {And now a6 would win.} Re1+ $2 {[#]} (49... Nc7 $16 50. Rb7
Na6) 50. Kd2 $1 $18 {[%cal Rd2e1]} Re4 51. a6 Ra4 52. Ra5 (52. Na5 $142) 52...
Rxa5 53. Nxa5 {KN-KN} Nc7 54. a7 h5 55. Ke3 Kg7 $2 {[%mdl 8192]} (55... h4 $16
56. gxh4 gxh4) 56. Nc4 Kg6 (56... Na8 $142 57. Nd2 h4 58. gxh4 gxh4) 57. Nb6
Kf5 58. Kf3 (58. a8=Q $142 Nxa8 59. Nxa8) 58... g4+ 59. Kg2 $2 (59. Ke3 $18 {
and the rest is easy.}) 59... Kg5 $2 {[%mdl 8192] [#]} (59... Ke4 $16 60. Kf1
Ke5) 60. a8=Q {White mates.} Nxa8 61. Nxa8 f5 62. Nc7 h4 63. gxh4+ Kxh4 64. Ne6
{Weighted Error Value: White=0.27/Black=0.41} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2860"]
[BlackElo "2836"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,122,0,4,19,0,14,0,7,0,0,0,0,-3,0,-32,-10,-7,21,23,43,4,33,15,26,20,
44,40,54,55,75,49,49,49,54,49,50,46,53,43,95,64,69,57,102,101,87,70,70,70,70,
70,98,62,98,98,98,98,98,98,98,98,98,98,98,71,85,55,55,55,55,35,35,15,15,15,15,
10,10,10,10,10,10,10,10,10,10,10,10,10,10,0,7,14,14,14,14,22,22,22,22,22,22,22,
22,0,0,0,22,0,0,0,22]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Bd3 e5 7. Nde2 Nc6 {[#] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3
Ng4 and 6 Be3 e5.} 8. Nd5 $146 ({Predecessor:} 8. O-O Be6 9. f4 exf4 10. Nxf4
Ne5 11. Kh1 Be7 12. Be3 O-O 13. a4 Qc7 14. Bd4 Rae8 15. Qe1 {1/2-1/2 (32)
Heberla,B (2566)-Gajewski,G (2616) Warsaw 2020}) 8... Nxd5 9. exd5 Nb4 10. Be4
{[#] Hoping for c3.} a5 11. c3 Na6 12. O-O f5 13. Bc2 Be7 14. f4 O-O 15. Be3 e4
16. Nd4 Nc7 17. Bb3 Bf6 18. a4 Kh8 19. Bc4 Qe7 20. Qb3 Na6 21. Ne6 Bxe6 22.
dxe6 Nc5 23. Bxc5 dxc5 24. Rad1 {Rd7 is the strong threat.} Rad8 25. Qb5 g5 (
25... Rd6 $14) 26. Rd7 ({Don't play} 26. Qxa5 $6 gxf4 27. Rxd8 Rxd8 $11) (26.
fxg5 {is interesting.} Bxg5 27. Rd7 Rxd7 28. Qxd7 f4 29. Qd5) 26... Rxd7 27.
Qxd7 gxf4 28. Rxf4 Bg5 {[#] aiming for ...Qxd7.} 29. Qxe7 Bxe7 $16 {[%mdl 4096]
Endgame KRB-KRB} 30. g4 fxg4 31. Rxg4 Rg8 32. Rxg8+ Kxg8 {KB-KB} 33. Kf2 Kf8
34. Ke3 Bg5+ 35. Kxe4 Bc1 36. Kd5 Ke7 37. b3 Bd2 38. Bd3 h6 39. c4 Be3 40. Be2
Bd4 41. h4 Bf2 42. h5 Bd4 {The position is equal.} 43. Bf3 Bf2 44. Ke5 Bd4+ 45.
Kf5 b6 46. Bg4 Bc3 47. Bh3 Bd4 48. Kf4 Kd6 49. Ke4 Bc3 50. Kf5 Ke7 51. Bg2 Bb2
52. Bc6 Bc3 53. Bd7 Bb2 54. Ke4 Kd6 $1 55. Kf4 Bc3 56. Kf5 Ke7 57. Bc8 Bb2 58.
Kg6 Bc1 59. Kf5 Bb2 $1 60. Kg6 Bc1 61. Kf5 Bb2 $1 {Weighted Error Value:
White=0.07/Black=0.06} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.2"]
[White "Giri, Anish"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2731"]
[BlackElo "2774"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {
[%emt 0:00:00]} 3. Nxe5 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 6. Bd3
{[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:00]} Be7 {[%emt 0:00:
00]} 8. Re1 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 9. c4 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:00]} 10. cxd5 {[%emt 0:00:03]} Qxd5 {[%emt 0:00:00]} 11. Nc3 {
[%emt 0:00:01]} Nxc3 {[%emt 0:00:03]} 12. bxc3 {[%emt 0:00:00]} Rae8 {[%emt 0:
01:19]} 13. Rb1 {[%emt 0:00:48]} Bxd3 {[%emt 0:00:28]} 14. Qxd3 {[%emt 0:00:03]
} b6 {[%emt 0:00:20]} 15. Bf4 {[%emt 0:00:30]} Qd7 {[%emt 0:02:42]} 16. d5 {
[%emt 0:01:00]} Na5 {[%emt 0:00:55]} 17. Re3 {[%emt 0:01:16]} Bf6 {[%emt 0:02:
04]} 18. Be5 {[%emt 0:03:03]} Bxe5 {[%emt 0:01:08]} 19. Nxe5 {[%emt 0:00:02]}
Qa4 {[%emt 0:00:01]} 20. Rbe1 {[%emt 0:01:27]} f6 {[%emt 0:03:00]} 21. Rh3 {
[%emt 0:00:03]} g6 {[%emt 0:00:16]} 22. Rxh7 {[%emt 0:00:10]} Kxh7 {[%emt 0:00:
12]} 23. Qxg6+ {[%emt 0:00:10]} Kh8 {[%emt 0:00:01]} 24. Qh5+ {[%emt 0:01:38]}
Kg7 {[%emt 0:00:18]} 25. Qg6+ {[%emt 0:00:04]} Kh8 {[%emt 0:00:05]} 26. Qh6+ {
[%emt 0:00:11]} Kg8 {[%emt 0:00:01]} 27. Qg6+ {[%emt 0:00:10]} Kh8 {[%emt 0:00:
01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.3"]
[White "Karjakin, Sergey"]
[Black "Aronian, Levon"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2709"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,0,23,28,13,14,24,23,14,8,6,12,40,3,31,28,39,18,69,11,37,-16,12,0,0,
-56,0,0,0,0,0,-67,-85,-80,-87,-78,-81,-79,-76,-73,-69,-180,-176,-212,-216,-497,
-491,-440,-428,-424,-418,-716,-578,-1050,-1023]} 1. d4 {Meier,Georg} Nf6 2. Bg5
d5 3. Nd2 c5 4. dxc5 e6 5. e4 h6 6. Bh4 {D00: 1 d4 d5: Unusual lines.} dxe4 {
[#]} 7. Nxe4 $146 ({Predecessor:} 7. Qe2 Qa5 8. O-O-O Qxa2 9. Qb5+ Nbd7 10. c6
bxc6 11. Qxc6 Bb7 12. Qxb7 Qa1+ 13. Nb1 {0-1 (28) Nepomniachtchi,I (2767)-So,W
(2808) Wijk aan Zee 2017 CBM 177 [Meier,Georg]}) 7... Qa5+ {[%mdl 64] Double
Attack} (7... Qxd1+ $6 8. Rxd1 Nbd7 9. Bxf6 $16) 8. Nd2 {White has an edge.}
Qxc5 9. Ngf3 Nbd7 10. Bd3 b6 11. Qe2 Bb7 12. O-O-O Be7 13. Kb1 Rc8 (13... O-O
$11) 14. Rhe1 (14. Nb3 $14 Qh5 15. Ba6 Bxf3 16. Qxf3 (16. gxf3 Rd8 $11) 16...
Qxf3 17. gxf3) 14... O-O $11 15. g4 (15. c3 $14) 15... Rfd8 (15... Nxg4 16. Nb3
$14) 16. g5 hxg5 17. Bxg5 ({Better is} 17. Nxg5 $11 Nf8 18. Rg1) 17... Nd5 (
17... Qc7 $1 $15) 18. Rg1 Bxg5 19. Rxg5 Qb4 20. Ne4 ({White should try} 20. Ka1
$11) 20... Nf4 $15 21. Qe3 Nxd3 22. cxd3 {Hoping for Rdg1.} Bxe4 ({Not} 22...
Qa4 23. Rdg1 $16) 23. dxe4 {[#]} Nf6 $1 $40 {[%mdl 640] Black is out for blood.
} 24. Nd4 {[#]} g6 $1 {Threatens to win with ...e5!} 25. a3 {[#]} (25. Rgg1 $1
$15) 25... Qa4 $1 $19 {[%cal Ra4d1]} 26. Rd2 {[#]} e5 $1 {[%mdl 576]
Deflection, Decoy} 27. Rxe5 $2 (27. Nb3) 27... Ng4 $1 {[%csl LRe3,LRe5,LRh2]
[%mdl 64] Double Attack} ({Stronger than} 27... Qc4 28. Rc2 $11) 28. Qf4 Nxe5 (
{Inferior is} 28... Rxd4 29. Re7 $11) 29. Qxe5 {intending Ne6!} Qc4 {aiming
for ...Qc1+.} 30. Rd1 (30. Qf6 $142) 30... Rc6 31. b3 Qc3 {Weighted Error
Value: White=0.57/Black=0.14} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.4"]
[White "Nakamura, Hikaru"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2829"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,85,4,0,0,5,12,0,0,-7,0,0,0,-8,-15,-11,-18,-12,-26,-35,-25,-75,-27,
-17,-22,-35,-33,-74,-61,-73,-73,-61,0,0,0,0,0,0,0,0,0,0,323,367,333,-8,336,359,
605,607,545,575,546,527,500,479,1049,958,950,915,828,811,1699,1651,1229,1076,
2267,1706]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7.
Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ {B19: Classical
Caro-Kann: 4...Bf5 main line.} 12. Bd2 Bb4 13. c3 Be7 {The position is equal.}
14. c4 Qb6 15. Bc3 $5 {[%mdl 4] Leaves trodden paths.} Ngf6 {[#]} 16. Ne5 $146
({Predecessor:} 16. O-O-O Rd8 17. Qe2 O-O 18. Ne4 Nxe4 19. Qxe4 Qa6 20. d5 cxd5
21. cxd5 Nf6 22. Bxf6 Bxf6 {0-1 (56) Zakhartsov,V (2486)-Gaifullin,A (2448) St
Petersburg 2018}) 16... Rd8 17. Qe2 Bb4 {Strongly threatening ...Qxd4.} 18. O-O
{And now c5 would win.} Bxc3 19. bxc3 {Threatening Ng6!} O-O 20. Rab1 Qc7 21.
f4 c5 22. Qf3 Nb6 23. Rfd1 Nfd7 24. Ne4 {Black should prevent Nxd7.} cxd4 25.
cxd4 f5 (25... Nxc4 $15 26. Nxd7 Qxd7) 26. Nc5 $36 {[%mdl 2048] White has good
play.} Nxc5 27. dxc5 Qxc5+ 28. Kh2 {Threatens to win with Rxd8.} Qc7 (28...
Nxc4 29. Nd7 $16) 29. a4 Rxd1 (29... Nxc4 $2 30. Qc3 $18) 30. Rxd1 {aiming for
a5.} Rd8 $2 {[%mdl 8192] [#]} ({Don't go for} 30... Nxa4 $2 31. Rd7 $18) ({
Avoid the trap} 30... Nxc4 $2 31. Qc3 $18) (30... a5 $11) 31. Qxb7 $3 $18 {
[%mdl 576] Deflection} Qxb7 32. Rxd8+ Kh7 {White must now prevent ...g5. This
move loses the game for Black.} 33. Ng6 $1 {[%csl Gg6][%cal Rd8h8] [#]} Qc8 $2
(33... Qa8 $1 {[%mdl 512]} 34. Rxa8 Nxa8) 34. Rxc8 {White is clearly winning.}
Nxc8 {[%mdl 4096] Endgame [#] KN-KN} 35. c5 $1 Kg8 36. Kg3 Kf7 37. Kf3 Ke8 (
37... a6 $142 38. Ke3 Na7 39. Ne5+ Ke7) 38. Ke3 Kd7 39. Kd4 a6 40. Ke5 Kc6 41.
Kxe6 Kxc5 42. Kf7 Kb4 43. Kxg7 {Weighted Error Value: White=0.05/Black=0.40}
1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.5"]
[White "Le, Quang Liem"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2744"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,63,26,31,32,34,32,26,20,32,25,29,20,32,26,26,21,41,33,173,208,202,
204,204,145,208,208,302,301,731,776,29981,29980,29955,12453,6287,6287]} 1. e4
e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6
9. Nbd2 Be7 10. c3 O-O 11. Bc2 f5 12. Nb3 Qd7 13. Nfd4 Nxd4 14. Nxd4 c5 15.
Nxe6 Qxe6 16. f3 {C83: Open Ruy Lopez: 9 c3 Be7.} Ng5 17. Bxg5 Bxg5 18. f4 {
White has an edge.} Be7 19. Qf3 Rad8 20. Rfd1 g6 21. Rd2 Rd7 22. Rad1 {[%cal
Rd2d5]} Rfd8 23. h3 $36 {[%mdl 2048] White has good play.} h5 {[#] A mistake
that costs the game.} (23... c4 $14) 24. g4 $1 $18 {[%cal Rg4f5]} hxg4 25. hxg4
fxg4 {[#]} 26. Qh1 $1 {aiming for Rh2.} Bf8 (26... c4 $16 {might work better.})
27. Qh4 {[%mdl 1024] [#] White has strong compensation.} Bg7 $146 (27... Re8 {
was called for.} 28. Rg2 (28. Rh2 Rg7 $16) 28... Rg7 29. Rxg4 c4) ({
Predecessor:} 27... c4 28. Rh2 Bg7 29. Qh7+ Kf8 30. Qxg6 Qxg6 31. Bxg6 d4 32.
Kg2 dxc3 33. Rxd7 Rxd7 34. bxc3 {1-0 (48) Hovhannisyan,R (2641)-Hakobyan,A 
(2582) Yerevan 2020}) 28. Qg5 ({Don't do} 28. Rh2 $6 c4 $18) 28... Kf7 $2 (
28... Rf8 29. Bxg6 Rxf4) 29. Re2 Re7 {[#]} 30. f5 $1 {[%mdl 512]} gxf5 31. Bxf5
{[%mdl 64] Double Attack} Qh6 {[#]} 32. Bg6+ $1 {[%mdl 512] Weighted Error
Value: White=0.01/Black=0.86} 1-0

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.6"]
[White "Vidit, Santosh Gujrathi"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2636"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,24,0,24,0,0,0,35,14,20,22,38,17,29,12,6,4,25,0,0,5,14,0,0,2,0,
-100,-114,-106,-106,-98,-101,-266,-267,-518,0,0,0,0,0,0,0,0,0,0]} 1. c4 g6 2.
g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. Rb1 a5 9. a3 Be6
10. Nd5 f5 {A25: English Opening vs King's Indian with ...Nc6 but without
early d3.} 11. b4 axb4 12. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32] [#]} Bf7 $146 ({
Predecessor:} 12... Bxd5 13. cxd5 Na7 14. O-O Qd7 15. b5 Nac8 16. Qb3 Nb6 17.
Bd2 h6 18. Rfc1 Kh7 {1-0 (42) Ribbegren,K (2239)-Andreasen,J (2229) Saint
Peter Port 2015}) 13. b5 Na5 14. O-O c6 15. Nxe7+ Qxe7 16. bxc6 bxc6 17. Bd2 e4
18. Nd4 c5 19. Nb5 Nc6 {[%cal Ba5c6,Bc6e5,Be5d3][%mdl 32]} 20. dxe4 fxe4 21.
Qc2 Ne5 22. Bxe4 (22. Bc3 $11 {remains equal.}) 22... Bxc4 $17 {Strongly
threatening ...d5.} 23. Bxa8 Rxa8 24. f4 Ra2 {[%mdl 1024] Black has strong
compensation.} 25. Qd1 $2 {[#]} (25. Qe4 $17 {was necessary.} d5 26. Qg2) 25...
Nd3 $1 $19 {Hoping for ...Bd5.} ({Weaker is} 25... Bxf1 26. fxe5 Bh3 27. Nxd6
$11) 26. f5 $2 {[#]} (26. Rb3 Rb2 27. Rxb2 Nxb2 {[%mdl 64] Discovered Attack}
28. Qf3 Bxb5 29. Ra1) 26... Bh6 $2 (26... Bd5 $1 $19 27. Nc3 Bxc3 28. Rb8+ Kf7
29. fxg6+ Kxg6 30. Qg4+ Qg5 31. Qxg5+ Kxg5) 27. Rf3 $1 $11 {The position is
equal.} Ne5 28. Rf2 Nd3 29. Rf3 $1 Ne5 {And now ...Rxd2 would win.} 30. Rf2 Nd3
31. Rf3 $1 {Weighted Error Value: White=0.36/Black=0.23} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.7"]
[White "So, Wesley"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2741"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,42,23,11,6,16,15,16,8,17,16,22,25,17,10,14,7,4,2,11,0,0,0,0,0,0,0,0,
0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 O-O 7. Nf3
dxc4 8. Qxc4 b6 9. Bg5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} Bb7 10. Rd1
Nbd7 11. Ne5 h6 12. Nxd7 Qxd7 13. Bxf6 gxf6 14. d5 {[#] The position is equal.}
exd5 $146 ({Predecessor:} 14... Bxd5 15. Qf4 Kh7 16. Qxf6 Qd8 17. Qxd8 Rfxd8
18. e3 Rd6 19. Bd3+ Kh8 20. Bf1 Rad8 {1-0 (52) Sethuraman,S (2617)-Gelfand,B 
(2737) Douglas 2017}) 15. Qf4 Kh7 16. e3 c5 17. Bd3+ Kg7 18. Qg3+ Kh8 19. Qf4
Kg7 20. Qg3+ Kh8 21. Qf4 Kg7 {Not much happened in this game.  Weighted Error
Value: White=0.01/Black=0.03} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "14.8"]
[White "Svidler, Peter"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2742"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,112,33,19,19,22,14,1,16,-17,2,0,0,-4,0,-3,-20,-39,-30,-29,-33,-27,
-28,-32,-24,-36,-40,-46,-55,-97,0,-73,-73,-92,-71,-90,0,0,0,-5,-5,-17,-10,-40,
-40,-47,-34,-79,-66,-56,-41,-34,-25,-30,-16,-15,-12,-57,-57,-68,-71,-41,-50,
-39,-30,-23,-31,-760,-59,-55,-45,-48,-49,-47,-40,-44,-22,-220,-216,-223,-224,
-224,-224,-225,-224,-224,-224,-224,-224,-223,-223,-223,-223,-209,-223,-222,
-222,-454,-442,-538,-516,-802,-777,-627,-563]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 {B90: Sicilian Najdorf: Unusual White 6th moves,
6 Be3 Ng4 and 6 Be3 e5.} 7. g4 b5 8. Bg2 Bb7 {The position is equal.} 9. g5
Nfd7 10. h4 b4 11. Ne2 Nc6 12. f4 h6 13. Be3 hxg5 14. hxg5 Rxh1+ 15. Bxh1 {[#]}
a5 $146 ({Predecessor:} 15... g6 16. Nbd4 e5 17. Nxc6 Bxc6 18. Qd2 Qb8 19.
O-O-O Qb7 20. Ng3 a5 21. f5 a4 {1-0 (49) Lomasov,S (2559)-Colovic,A (2449)
Skopje 2019}) 16. Ned4 Nxd4 17. Nxd4 Nc5 18. Qg4 g6 ({Inferior is} 18... Nxe4
19. f5 $16) ({Of course not} 18... Bxe4 $6 19. Bxe4 Nxe4 20. f5 $14) 19. O-O-O
{White wants to play f5.} Qd7 ({Better is} 19... Nxe4 $17 20. Nxe6 Qc8 {
[%mdl 64] Pin}) 20. e5 (20. f5 $1 $11) 20... Bxh1 $17 21. Rxh1 dxe5 22. fxe5
Qd5 (22... Rc8 $17) 23. Qf3 $1 $11 Rd8 24. Qxd5 (24. Rh7 {seems wilder.} Qxf3
25. Nxf3 Ne4 26. Rh8 a4 27. Nd2) 24... Rxd5 25. Nf3 Nd7 26. Bf4 Bc5 27. Rd1 Nb6
28. c3 bxc3 29. bxc3 Kd7 30. Nd2 Kc6 31. Kc2 Rd7 32. Rf1 Nd5 {Threatens to win
with ...Be3.} 33. Nc4 Kb5 34. Nd6+ Bxd6 35. exd6 $15 {[%mdl 4096] Endgame
KRB-KRN} Kc6 36. Bd2 Kxd6 37. c4 Rc7 38. Bxa5 $2 {[%mdl 8192] [#]} (38. Kd3 $15
Nb4+ {[%mdl 64] Double Attack} 39. Kc3) 38... Rxc4+ $2 ({Black should play} 
38... Ne3+ $19 39. Kc3 Nxf1 40. Bxc7+ Kxc7) 39. Kb3 Rg4 40. Rxf7 Rxg5 41. a4
Rg3+ 42. Kc4 Kc6 43. Be1 $2 {[#]} (43. Rf8 $11) 43... Ra3 $1 $19 {...Ne3+ is
the strong threat.} 44. Bd2 Rxa4+ 45. Kd3 Kd6 46. Ke2 Ke5 47. Rg7 Kf5 48. Rf7+
Ke4 49. Rg7 Ra2 50. Ke1 Kf5 51. Rf7+ Nf6 52. Bc3 e5 53. Re7 $2 (53. Bb4 {
only move.}) 53... Ng4 {Black is clearly winning.} 54. Re8 g5 55. Bd2 (55. Rf8+
$142 Ke4 56. Bb4) 55... Nh2 56. Rf8+ Ke4 {Weighted Error Value: White=0.46/
Black=0.18} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.1"]
[White "Nepomniachtchi, Ian"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2778"]
[BlackElo "2860"]
[Annotator "ChessBase"]
[PlyCount "153"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:
00:00]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:00]}
cxd4 {[%emt 0:00:00]} 5. Qxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 6. Bxd7+ {
[%emt 0:00:00]} Bxd7 {[%emt 0:00:00]} 7. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:09]
} 8. Nc3 {[%emt 0:00:10]} Bc6 {[%emt 0:00:08]} 9. O-O {[%emt 0:00:31]} Nf6 {
[%emt 0:00:03]} 10. b3 {[%emt 0:00:42]} Be7 {[%emt 0:00:05]} 11. Ba3 {[%emt 0:
00:26]} O-O {[%emt 0:00:15]} 12. Rac1 {[%emt 0:00:56]} Qa5 {[%emt 0:00:45]} 13.
Bxd6 {[%emt 0:00:13]} Bxd6 {[%emt 0:00:05]} 14. Qxd6 {[%emt 0:00:00]} Nxe4 {
[%emt 0:00:04]} 15. Qe5 {[%emt 0:00:13]} Qxe5 {[%emt 0:00:03]} 16. Nxe5 {
[%emt 0:00:00]} Nxc3 {[%emt 0:00:14]} 17. Rxc3 {[%emt 0:00:04]} Rfd8 {[%emt 0:
00:03]} 18. Nxc6 {[%emt 0:00:27]} bxc6 {[%emt 0:00:00]} 19. b4 {[%emt 0:01:10]}
Rd2 {[%emt 0:00:23]} 20. Ra3 {[%emt 0:00:08]} Rb2 {[%emt 0:00:21]} 21. Ra4 {
[%emt 0:00:05]} g5 {[%emt 0:00:19]} 22. g3 {[%emt 0:00:19]} Kg7 {[%emt 0:00:22]
} 23. Rd1 {[%emt 0:00:06]} h5 {[%emt 0:00:44]} 24. a3 {[%emt 0:00:17]} h4 {
[%emt 0:00:08]} 25. gxh4 {[%emt 0:00:39]} gxh4 {[%emt 0:00:00]} 26. h3 {
[%emt 0:00:01]} Rb3 {[%emt 0:00:12]} 27. Kh2 {[%emt 0:00:16]} Rf3 {[%emt 0:00:
45]} 28. Kg2 {[%emt 0:00:06]} Rf4 {[%emt 0:00:01]} 29. c5 {[%emt 0:02:21]} Kf6
{[%emt 0:00:03]} 30. Kf1 {[%emt 0:00:11]} Rf3 {[%emt 0:01:11]} 31. Rd4 {
[%emt 0:00:21]} Rxh3 {[%emt 0:00:05]} 32. Kg2 {[%emt 0:00:03]} Rb3 {[%emt 0:00:
27]} 33. Rxh4 {[%emt 0:00:03]} Rd3 {[%emt 0:00:23]} 34. Ra5 {[%emt 0:01:17]}
Kg5 {[%emt 0:00:15]} 35. Rh7 {[%emt 0:00:17]} Kg6 {[%emt 0:00:05]} 36. Rh3 {
[%emt 0:00:29]} Rxh3 {[%emt 0:00:31]} 37. Kxh3 {[%emt 0:00:03]} Kf5 {[%emt 0:
00:00]} 38. a4 {[%emt 0:00:03]} Ke4 {[%emt 0:00:09]} 39. b5 {[%emt 0:00:15]}
Rh8+ {[%emt 0:00:18]} 40. Kg2 {[%emt 0:00:06]} Rg8+ {[%emt 0:00:11]} 41. Kf1 {
[%emt 0:00:04]} axb5 {[%emt 0:00:02]} 42. axb5 {[%emt 0:00:03]} cxb5 {[%emt 0:
00:01]} 43. Rxb5 {[%emt 0:00:03]} Kd5 {[%emt 0:00:02]} 44. Rb7 {[%emt 0:00:13]}
f5 {[%emt 0:00:02]} 45. Ke2 {[%emt 0:00:31]} Kxc5 {[%emt 0:00:15]} 46. f4 {
[%emt 0:00:10]} Rg3 {[%emt 0:00:19]} 47. Rd7 {[%emt 0:00:15]} Ra3 {[%emt 0:00:
03]} 48. Rd8 {[%emt 0:00:03]} Ra4 {[%emt 0:00:06]} 49. Ke3 {[%emt 0:00:03]}
Re4+ {[%emt 0:00:01]} 50. Kf3 {[%emt 0:00:01]} Rd4 {[%emt 0:00:02]} 51. Rc8+ {
[%emt 0:00:03]} Kd5 {[%emt 0:00:01]} 52. Rd8+ {[%emt 0:00:11]} Kc4 {[%emt 0:00:
01]} 53. Rc8+ {[%emt 0:00:05]} Kd3 {[%emt 0:00:03]} 54. Rc6 {[%emt 0:00:03]}
Re4 {[%emt 0:00:02]} 55. Rd6+ {[%emt 0:00:01]} Kc4 {[%emt 0:00:02]} 56. Ra6 {
[%emt 0:00:03]} Kc5 {[%emt 0:00:03]} 57. Ra5+ {[%emt 0:00:05]} Kd6 {[%emt 0:00:
04]} 58. Ra6+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:01]} 59. Ra7+ {[%emt 0:00:02]}
Kf6 {[%emt 0:00:01]} 60. Ra6 {[%emt 0:00:02]} Rb4 {[%emt 0:00:05]} 61. Rc6 {
[%emt 0:00:06]} Rb3+ {[%emt 0:00:02]} 62. Kf2 {[%emt 0:00:01]} Ke7 {[%emt 0:00:
01]} 63. Ra6 {[%emt 0:00:02]} Kd7 {[%emt 0:00:01]} 64. Ke2 {[%emt 0:00:02]} Rc3
{[%emt 0:00:00]} 65. Kf2 {[%emt 0:00:02]} Rc6 {[%emt 0:00:02]} 66. Ra5 {
[%emt 0:00:03]} Kd6 {[%emt 0:00:01]} 67. Kf3 {[%emt 0:00:04]} Rc3+ {[%emt 0:00:
04]} 68. Kf2 {[%emt 0:00:02]} Rc5 {[%emt 0:00:01]} 69. Ra3 {[%emt 0:00:19]} Kd5
{[%emt 0:00:05]} 70. Ke3 {[%emt 0:00:02]} Rb5 {[%emt 0:00:10]} 71. Rd3+ {
[%emt 0:00:03]} Kc4 {[%emt 0:00:01]} 72. Rd6 {[%emt 0:00:05]} Rb3+ {[%emt 0:00:
04]} 73. Kf2 {[%emt 0:00:02]} Rb2+ {[%emt 0:00:04]} 74. Kf3 {[%emt 0:00:01]}
Rb3+ {[%emt 0:00:00]} 75. Kf2 {[%emt 0:00:01]} Rb2+ {[%emt 0:00:01]} 76. Kf3 {
[%emt 0:00:00]} Rb3+ {[%emt 0:00:00]} 77. Kf2 {[%emt 0:00:01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.2"]
[White "Carlsen, Magnus"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2881"]
[BlackElo "2742"]
[Annotator "RC"]
[PlyCount "65"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:
00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Qxd4 {[%emt 0:00:00]}
Nc6 {[%emt 0:00:00]} 5. Qe3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 6. Be2 {
[%emt 0:01:01]} Bg7 {[%emt 0:00:23]} 7. O-O {[%emt 0:00:02]} Nf6 {[%emt 0:00:
03]} 8. h3 {[%emt 0:00:04]} O-O {[%emt 0:00:37]} 9. Rd1 {[%emt 0:00:04]} Be6 {
[%emt 0:01:48]} 10. Nc3 {[%emt 0:00:04]} Qc8 {[%emt 0:00:32]} 11. a3 {[%emt 0:
00:10]} Na5 {[%emt 0:00:47]} 12. Nd4 {[%emt 0:00:05]} Bc4 {[%emt 0:00:25]} 13.
Bf3 {[%emt 0:00:36]} Nc6 {[%emt 0:00:51]} 14. Nxc6 {[%emt 0:01:10]} bxc6 {
[%emt 0:00:04]} 15. e5 {[%emt 0:00:19]} dxe5 {[%emt 0:00:28]} 16. Qc5 {[%emt 0:
00:09]} Bd5 {[%emt 0:00:06]} 17. Bxd5 {[%emt 0:02:19]} cxd5 {[%emt 0:00:10]}
18. Qxc8 {[%emt 0:00:01]} Rfxc8 {[%emt 0:00:17]} 19. Nxd5 {[%emt 0:00:00]} Nxd5
{[%emt 0:00:04]} 20. Rxd5 {[%emt 0:00:00]} Rxc2 {[%emt 0:00:01]} 21. b4 {
[%emt 0:00:16]} f5 {[%emt 0:01:50]} 22. Be3 {[%emt 0:00:08]} f4 {[%emt 0:00:08]
} 23. Bc5 {[%emt 0:00:03]} Bf6 {[%emt 0:00:05]} 24. Rd7 {[%emt 0:00:26]} a5 {
[%emt 0:00:07]} 25. Bxe7 {[%emt 0:00:35]} Bxe7 {[%emt 0:00:03]} 26. Rxe7 {
[%emt 0:00:00]} axb4 {[%emt 0:00:01]} 27. Rd1 {[%emt 0:00:01]} bxa3 {[%emt 0:
00:21]} 28. Rdd7 {[%emt 0:00:02]} a2 {[%emt 0:00:02]} 29. Rg7+ {[%emt 0:00:03]}
Kf8 {[%emt 0:00:06]} 30. Rgf7+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:01]} 31. Rg7+ {
[%emt 0:00:01]} Kf8 {[%emt 0:00:01]} 32. Rgf7+ {[%emt 0:00:00]} Kg8 {[%emt 0:
00:00]} 33. Rg7+ {[%emt 0:00:01]} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.3"]
[White "Radjabov, Teimour"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "2758"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-22,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4
g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c5 7. dxc5 Qa5 8. Rc1 dxc4 9. Bxc4
Qxc5 10. Qb3 {Nb5 is the strong threat.} Nc6 {D93: Grünfeld: 4 Nf3 Bg7 5 Bf4
0-0 6 e3.} 11. O-O Na5 12. Qb5 Qxc4 13. Qxa5 b6 14. Qa3 Re8 15. Rfd1 Qa6 $1 16.
Qb4 {And now Nb5 would win.} Bb7 17. Ne5 Rac8 $1 18. h3 Rc5 19. a4 e6 {[#]} 20.
Nd3 $146 ({Predecessor:} 20. Qa3 Nd5 21. Nb5 Rec8 22. Rxc5 bxc5 23. Bg3 f6 24.
Nd7 Qc6 25. Nb8 Qe8 26. Nd6 {1-0 (26) Bouguern,A (1850)-Koronowski,H (1917)
LSS email 2013}) 20... Rc4 {The position is equal.} 21. Qb5 Qxb5 22. Nxb5 Rxc1
({Worse is} 22... Rxa4 23. Nd6 $18) 23. Rxc1 Rd8 24. Rc7 Ba6 (24... Rxd3 25.
Rxb7 h5 26. Nxa7 $11 (26. Rxa7 Nd5 $11)) 25. Nb4 Bxb5 26. axb5 Nh5 27. Nc6 Rd1+
28. Kh2 {[#] Rc8+ would kill now.} Nxf4 29. Rc8+ Bf8 {Hoping for ...Nd3.} 30.
exf4 $11 {[%mdl 4096] Endgame KRB-KRN} Kg7 31. Ra8 Bd6 32. g3 Rd2 33. Rxa7
Rxf2+ 34. Kg1 Bc5 {aiming for ...Rxf4+.} 35. b4 Be3 {Black wants to play ...
Rxf4+.} 36. Ra3 Rf3+ 37. Kg2 Rf2+ 38. Kg1 Rf3+ 39. Kg2 Rf2+ 40. Kg1 {Not much
happened in this game.  Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.4"]
[White "Anton Guijarro, David"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2667"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,123,0,0,-13,7,-1,13,-33,12,11,13,34,31,29,52,56,94,96,113,19,87,86,
131,136,174,153,162,153,164,125,117,129,127,109,129,124,147,116,107,112,149,
127,141,127,129,82,100,93,75,93,187,181,179,164,168,24,31,-44,-59,-102,-102,
-125,-99,-108,-81,-84,-100,-100,-100,-79,0,-62,-39,-233,-186,-220,-210,-206,
-219,-209,-218,-1548,-200,-1522,-1538,-1007,-552,-493,-504,-602,-601,-598,-598,
-577,-575,-576,-534,-654,-647,-645,-593,-578,-561,-623,-527,-479,-472,-29997,
-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5
6. Nf3 b6 7. cxd5 exd5 8. Bd3 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.
} Re8 9. O-O Bd6 10. Rc1 {The position is equal.} a6 {[#]} 11. Ne5 $146 ({
Predecessor:} 11. Ne2 Ne4 12. Ng3 Bg4 13. Be2 Nd7 14. Bc3 Nxc3 15. bxc3 h5 16.
Nd2 Bxe2 17. Qxe2 {1/2-1/2 (35) Swiercz,D (2659)-Tan,J (2511) chess.com INT
2020}) 11... Bxe5 12. dxe5 Rxe5 13. e4 $1 Bg4 14. Qc2 {[%mdl 1024] White has
compensation.} d4 15. Nd5 c5 16. Bf4 (16. Nxf6+ $1 $16 Qxf6 17. f4) 16... Rh5 (
16... Nxd5 $11 {keeps the balance.} 17. exd5 (17. Bxe5 Nb4 $11 {[%mdl 64]
Double Attack}) 17... Rxd5) 17. f3 $16 Be6 18. Nc7 Ra7 19. Nxe6 fxe6 20. g4 e5
21. Bg3 ({Don't play} 21. gxh5 $6 exf4 22. b4 Nbd7 $16) 21... Rg5 22. h4 Rg6
23. Bxe5 Nc6 {And now ...Nxg4 would win.} 24. Bh2 Nb4 25. Bc4+ Kh8 26. Qd2 $36
{[%mdl 2048] Keeping Black busy.} Qe7 27. Qf4 {Black must now prevent h5!} Ra8
28. a3 Nc6 29. Kh1 Rf8 {[#] Threatens to win with ...Nxg4.} 30. Qc7 $1 ({
Don't blunder} 30. Bxa6 $2 Nxg4 31. Qc7 Qe8 $19) 30... Qxc7 31. Bxc7 Nd7 (31...
b5 $16) 32. Bxa6 $18 Nce5 33. Bb5 Rc8 34. Bxd7 (34. Bxe5 $18 Nxe5 35. Kh2)
34... Rxc7 $11 35. Bf5 (35. Bb5 $14) 35... Rh6 $15 36. Kh2 {[#]} g6 $1 ({
Weaker is} 36... Rxh4+ 37. Kg3 $16) 37. g5 Rxh4+ 38. Bh3 {With the idea Kg3.}
Rf7 39. Kg3 Rhf4 {[%cal Rf4f3]} 40. Bg2 c4 41. a4 Kg7 ({Black should try} 41...
h6 $17 42. gxh6 g5) 42. Rfd1 ({White should play} 42. Rcd1 $11) 42... d3 43. b3
$2 (43. Rf1 $1 $15) 43... cxb3 44. Rb1 Nxf3 45. Rxd3 Nxg5 46. Re3 h5 {aiming
for ...Rg4+.} 47. e5 $2 (47. Rbxb3 Rf2 48. Kh2) 47... Rg4+ $19 48. Kh2 Rf2 49.
Rg3 Rxg3 50. Kxg3 {[%mdl 4096] Endgame KRB-KRN} Rd2 51. Rxb3 {[#]} h4+ $1 {
[%mdl 576] Deflection} 52. Kxh4 Rxg2 53. Rxb6 {KRN-KR} Nf3+ 54. Kh3 Re2 55. a5
Nxe5 56. a6 Ra2 57. Kg3 Kh6 58. Rd6 Ra3+ 59. Kh4 Nd3 {( -> ...Nf2)} 60. a7 (60.
Kg4 $19) 60... Nf2 {[%csl Gf2][%cal Ra3h3] Black mates.} 61. Rxg6+ Kxg6 {
[%csl Gf2][%cal Ra3h3]} 62. a8=Q Rh3# {What a bad dream for White.  Weighted
Error Value: White=0.39/Black=0.24} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.5"]
[White "Firouzja, Alireza"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2703"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,160,35,37,45,31,31,32,23,35,30,41,32,32,20,39,39,40,52,52,0,0,0,8,0,
0,4,11,-6,-8,-14,24,0,18,14,33,25,30,24,58,42,34,9,10,0,0,-1,-1,-1,-3,-3,-3,-3,
-3,-3,-3,-3,-6,-19,-26,-38,-42,-49,-47,-47,-43,-60,-62,-78,-50,-56,-48,-43,-39,
-53,-26,-19,-20,-78,-78,-78,-75,-121,-127,-127,-83,-103,-82,-150,-123,-123,-75,
-105,-94,-154,-105,-161,-112,-229,-227,-221,-210,-314,-314,-308,-127,-316,-306,
-320,-321,-1218,-1052,-29970,-312,-320,-320,-444,-450,-2381,-2245,-1658,-462,
-462,-462,-421,-414,-366,-320,-29975,-29976,-29976,-29977,-29977,-29978,-29978,
-29979,-29979,-29980,-29980,-29980,-29980,-29980,-29980,-29979,-29979,-29980,
-29980,-29981,-29981,-29982]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O c6 5. d3 h6
6. c4 e6 7. cxd5 exd5 8. Qb3 {A11: English Opening: 1...c6.} Qb6 9. Qc2 Be7 10.
Nc3 {White is slightly better.} O-O 11. e4 Bh7 {11...dxe4 deserves study.} 12.
Be3 Qa6 13. Rfd1 Nbd7 14. exd5 cxd5 15. Qb3 Rfd8 {[#]} 16. Qb5 $146 ({
Predecessor:} 16. d4 Qb6 17. Nxd5 Nxd5 18. Qxd5 Qxb2 19. Ne1 Nc5 20. Qc4 Ne4
21. Rdb1 Qa3 22. Rb3 {1-0 (41) Banusz,T (2618)-Braeuer,F (2423) Karlsruhe 2018}
) 16... Qxb5 17. Nxb5 a6 18. Nc3 Rac8 19. Bh3 g5 {White must now prevent ...g4.
} 20. Nd4 g4 21. Bf1 Kg7 22. Bf4 Bc5 23. Nb3 d4 24. Ne2 Bb6 25. Bg2 Nc5 26.
Nxc5 ({Of course not} 26. Nbxd4 Nxd3 27. Be3 (27. Bxb7 Bxd4 28. Rxd3 Bxd3 $15)
27... Nd5 $15) (26. Nexd4 Nxd3 27. Be3 (27. Bxb7 Nxf4 28. gxf4 Rc7 $15) 27...
Nxb2 $15) 26... Rxc5 27. Rac1 Rxc1 28. Bxc1 Nd5 29. Nf4 Nxf4 30. Bxf4 Rd7 31.
f3 h5 32. fxg4 hxg4 33. h3 gxh3 34. Bxh3 Re7 35. Kf2 Bc7 36. Bxc7 Rxc7 $11 {
[%mdl 4096] Endgame KRB-KRB} 37. Rd2 Kf6 38. Bg2 b6 39. Kf3 Kg5 40. Kf2 Re7 41.
Bf1 Re6 42. Be2 Rc6 43. Bf3 Rf6 44. Kg2 Re6 45. Kf2 (45. Bb7 $11) 45... Re3 $17
46. Be2 Bf5 47. Kg2 Bg4 48. Bf1 Re1 49. Kf2 Rb1 50. a3 (50. Rc2 $142) 50... a5
51. Bg2 Be6 52. Bc6 Rc1 53. Bf3 (53. Ba4 $142) 53... Bf5 54. Bd5 (54. Kg2 $17)
54... f6 55. Be4 (55. Kg2 $17) 55... Bh3 $1 $19 56. Bf3 f5 $1 57. Be2 (57. Bg2
{was worth a try.} Bxg2 58. Kxg2) 57... Rh1 58. Bf3 Rf1+ 59. Ke2 {This costs
White the game.} f4 60. gxf4+ Kxf4 61. Be4 $2 {Cut Off at move 61} (61. Bh5)
61... Kg3 62. b4 Ra1 $2 (62... Rb1 {mates} 63. Ra2 Be6 64. bxa5 bxa5 65. Kd2
Bxa2 66. Kc2 Rb3 67. Bg6 a4 68. Be8 Bb1+ 69. Kc1 Bxd3 70. Bxa4 Rxa3 71. Be8 Bc4
72. Bg6 Ra1+ 73. Kb2 Ra2+ 74. Kb1 Kf4 75. Be8 Ke3 76. Bb5 Bb3 77. Bf1 d3 78.
Bh3 Kd4 79. Bg4 Kc3 80. Bd1 d2 81. Bxb3 Ra1+ $1 {[%mdl 576] Back Rank,
Promotion} 82. Kxa1 Kxb3 83. Kb1 d1=Q#) 63. Rb2 {[#]} a4 $1 ({Not} 63... Rxa3
64. bxa5 bxa5 65. Bd5 $15) 64. b5 Rxa3 65. Rb4 (65. Bd5 $142 Bf5 66. Bc4) 65...
Ra2+ 66. Kd1 a3 (66... Be6 $142 {Threatens to win with ...a3.} 67. Ke1 a3 68.
Rxd4 Rb2) 67. Bd5 Bg4+ 68. Kc1 Ra1+ 69. Kc2 a2 70. Ra4 $2 (70. Bxa2 $19 Rxa2+
71. Kc1) 70... Bd1+ {[%mdl 64] Skewer. Black mates.} 71. Kb2 Bxa4 72. Kxa1 Bxb5
73. Kxa2 Bxd3 {KB-KB} 74. Kb3 Kf2 75. Kb4 Ke3 76. Bb3 Be2 77. Ba4 {[#]} b5 $1
78. Bb3 {[#]} (78. Bxb5 Bxb5) 78... Bc4 $1 79. Bd1 (79. Bxc4 bxc4) 79... Kd2
80. Bf3 d3 {Weighted Error Value: White=0.15/Black=0.08} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.6"]
[White "Aronian, Levon"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,66,8,8,18,6,13,0,8,-5,-5,-10,-8,-8,-10,-14,-12,-20,0,-2,-2,-6,0,0,0,
-5,-3,-7,-5,-10,-8,-8,-5,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2.
Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O
9. d4 {The position is equal.} Ne8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.
} 10. Re1 d5 11. Bf4 Bd6 12. Bxd6 Nxd6 13. Bd3 Bf5 14. Bxf5 Nxf5 15. c3 Re8 16.
Nd2 c6 17. Rxe8+ Qxe8 18. Nf3 {[#]} f6 $146 ({Predecessor:} 18... Nd6 19. Qc2
Qd7 20. Re1 Re8 21. Rxe8+ Qxe8 22. Kf1 f6 23. Qe2 Qxe2+ 24. Kxe2 Kf7 {1/2-1/2 
(36) Ni,H (2703)-Ding,L (2749) Danzhou 2015}) 19. Qc2 Qd7 20. Re1 Nd6 21. Nd2
Re8 22. Rxe8+ Qxe8 23. Kf1 Qe6 24. h3 Qf5 (24... g6 {seems wilder.} 25. Nb3 Ne4
26. Nd2 Ng5 27. Nb3 Qd6) 25. Qxf5 Nxf5 $11 {[%mdl 4096] Endgame KN-KN} 26. Ke2
Nd6 27. Nb3 b6 28. Nc1 Kf7 29. Nd3 Ke7 30. Nf4 Nc4 31. Nd3 Nd6 32. Nf4 Nc4 33.
Nd3 Nd6 {Not much happened in this game.  Weighted Error Value: White=0.02/
Black=0.03} 1/2-1/2

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.7"]
[White "Duda, Jan-Krzysztof"]
[Black "Karjakin, Sergey"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2774"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,132,23,18,19,16,43,18,18,13,14,14,31,16,16,-20,-24,-47,-42,-46,0,-25,
-28,-27,-31,-34,-37,-64,-64,-70,-41,-164,-145,-153,-110,-200,-175,-171,-113,
-114,-117,-116,-116,-97,-112,-112,-99,-227,-223,-212,-183,-172,-171,-275,-255,
-264,-258,-600,-600,-600,-600,-595,-592,-1064,-950,-29943,-29941,-29943,-29949,
-29953,-29951,-29948,-29949,-29943,-29940,-12850,-8540,-29978,-29980,-29984,
-29985,-29985,-29984,-29985,-29986,-29986,-29987,-29986,-29987,-29986,-29987,
-29988,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29991,
-29991,-29991,-29992,-29992,-29993,-29994,-29995,-29995,-29995,-29996,-29996,
-29997,-29997,-29997,-4779]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O
6. e3 Nbd7 7. Be2 dxc4 8. O-O c5 9. dxc5 Nxc5 10. Bxc4 Qxd1 {D37: Queen's
Gambit Declined: 5 Bf4.} 11. Rfxd1 b6 12. Ne5 {Strongly threatening Nc6.} Bb7 {
The position is equal.} 13. f3 Nh5 14. b4 Na6 $1 {[%cal Bc5a6,Ba6b8,Bb8c6,
Bc6e5][%mdl 32]} 15. a3 {[#] aiming for Rd7.} Nb8 $146 ({Predecessor:} 15...
Bf6 16. Bxa6 Bxa6 17. Ne4 Rfd8 18. Rxd8+ Rxd8 19. Rc1 Bb5 20. g4 Nxf4 21. exf4
Bh4 {1-0 (62) Carlsen,M (2863)-So,W (2770) Lichess.org INT 2020}) 16. Nb5 g5 $1
{[%cal Rg5f4]} 17. Bg3 Nxg3 18. hxg3 Nc6 (18... Bf6 $5 {[%cal Rf6e5]} 19. Nxf7
Kxf7 $11) 19. Nxf7 Kxf7 20. Nc7 $1 Kf6 {White must now prevent ...Rab8.} 21.
Nxa8 Bxa8 22. Rac1 a5 $1 $36 {[%mdl 2048] Black is more active.} 23. Bb5 Ne5 ({
Reject} 23... axb4 24. Bxc6 bxa3 25. Kf2 $11) (23... Na7 $5 {[%cal Ra7b5]} 24.
Bd7 Rd8 $17) 24. Rc7 (24. bxa5 $15 bxa5 25. a4) 24... axb4 $19 25. axb4 Bxb4
26. Rxh7 (26. f4 $17 {was necessary.}) 26... Bc5 27. Rh6+ Ke7 (27... Kf7 $19
28. Ra1 Bd5 29. Ra7+ Kg8) 28. Rh7+ $17 Rf7 29. Rxf7+ Nxf7 30. Kf2 Nd6 31. Bd3
Nf5 32. Bxf5 (32. Re1 $17) 32... exf5 $19 33. Ke2 Bc6 34. Rh1 Be8 35. Rh7+ (35.
Rc1 $142) 35... Bf7 36. Kd3 b5 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 37. e4 $2 {
[#]} (37. Rg7 Kf6 38. Rh7) 37... fxe4+ 38. Kxe4 b4 39. Kd3 b3 40. Kc3 Bf2 41.
f4 g4 42. Rh4 Kf6 43. Rh6+ Kf5 44. Rh7 Kg6 45. Rh4 Be1+ 46. Kb2 Be6 47. Rxg4+
Bxg4 {Black mates.} 48. f5+ Kxf5 49. Kxb3 Bxg3 50. Kc4 Ke4 51. Kc5 Be2 52. Kc6
Bf1 53. Kc5 Bxg2 54. Kc4 Be5 55. Kc5 Kd3 56. Kb5 Bd4 57. Kb4 Bc6 58. Ka5 Kc4
59. Ka6 Bc3 60. Kb6 Kd5 61. Kc7 {Cut Off at move 61} Kc5 62. Kc8 Kb6 63. Kd8
Bf6+ 64. Kc8 Bb5 65. Kb8 Bd7 66. Ka8 Bg7 {Weighted Error Value: White=0.52/
Black=0.03} 0-1

[Event "Skilling Open CCT 2021"]
[Site "Online"]
[Date "2020.11.19"]
[Round "15.8"]
[White "Ding, Liren"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2836"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2020.11.20"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,125,27,0,19,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,-12,0,0,0,0,0,0,0,-35,0,-9,
0,0,0,0,0,-12,-3,-14,0,0,0,0,0,0,0,-12,-12,-21,-22,-29,-29,-52,-52,-62,-62,-62,
-62,-62,-62,-65,-58,-58,-56,-90,-90,-79,-53,-60,-60,-60,-8,-8,-8,-8,-8,-8,-8,
-8,-8,-8,-8,-8,-7,-7,0,0,0,-8,-7,-7,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0]} 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 dxc4 5. O-O Nbd7 6. Na3 Nb6 7.
Qc2 Be6 {A11: English Opening: 1...c6.} 8. Ne5 {[%cal Ra3c4]} h5 9. Naxc4 Nxc4
10. Nxc4 h4 11. Ne5 hxg3 12. hxg3 Qd4 13. Qc3 ({Not} 13. Bxc6+ $2 Kd8 $19)
13... Qd6 14. d4 Rd8 {[#]} 15. Qa5 $146 ({Predecessor:} 15. b3 Qxd4 16. Qxd4
Rxd4 17. Be3 Rd8 18. Bxa7 Bd5 19. Bb6 Bxg2 20. Kxg2 Rd5 21. Nc4 {1/2-1/2 (30)
Quinones Borda,J (2406)-Paredes,C (2467) ICCF email 2017}) 15... Bh3 16. Qxa7
Bxg2 17. Kxg2 Qxd4 18. Qxd4 Rxd4 19. Be3 Rd5 (19... Re4 $5 {[%cal Re4e5]} 20.
Nd3 Ng4 $15) 20. f4 g5 21. a4 gxf4 22. gxf4 Nd7 23. Nc4 Bg7 24. Rad1 b5 25.
axb5 Rxb5 26. Rd2 Nf6 27. Ra1 {[#] Intending Ra8+ and mate.} Nd5 28. Ra8+ Kd7
29. Rxh8 Bxh8 30. Kf3 Rb4 31. Nb6+ Ke6 32. Nxd5 cxd5 $15 {[%mdl 4096] Endgame
KRB-KRB} 33. Bc5 Rb3+ 34. e3 Bxb2 35. f5+ {[%mdl 64] [#] Decoy} Kxf5 {
Threatens to win with ...e6.} 36. Rxd5+ e5 37. Ba7 Ke6 38. Ra5 Bd4 39. Bxd4
exd4 {KR-KR} 40. Ke4 Rxe3+ (40... dxe3 $15 41. Kf4 Kd6) 41. Kxd4 $11 {The
position is equal.} Re1 42. Ra2 f6 43. Rb2 Kf7 44. Rf2 Kg6 {And now ...f5
would win.} 45. Rg2+ Kh5 {aiming for ...f5.} 46. Rf2 Kg5 {...f5 is the strong
threat.} 47. Rg2+ Kf5 (47... Kh4 $5 48. Rf2 $8 Kg5 49. Rg2+ Kf5 $11) 48. Rf2+
Ke6 49. Ra2 Ke7 50. Ra7+ Ke6 51. Ra2 f5 {Strongly threatening ...f4.} 52. Ra6+
Kf7 53. Kd3 Kg7 54. Kd2 Re5 55. Kd3 Kf7 56. Rb6 Re7 57. Ra6 Kg7 58. Rb6 f4 59.
Rb4 f3 60. Rf4 Rf7 61. Rxf7+ Kxf7 62. Ke3 f2 63. Kxf2 {Weighted Error Value:
White=0.04/Black=0.05} 1/2-1/2