[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.1"]
[White "Nakamura, Hikaru"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2829"]
[BlackElo "2731"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} Nd6 {[%emt 0:00:00]} 6.
dxe5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:00]} 7. a4 {[%emt 0:00:00]} Nbd4 {
[%emt 0:00:00]} 8. Nxd4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 9. exd6 {[%emt 0:
00:00]} Nxd4 {[%emt 0:00:00]} 10. Qxd4 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:00]}
11. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 12. Qd4 {[%emt 0:00:00]} Qd6 {
[%emt 0:00:00]} 13. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 14. Qd4 {
[%emt 0:00:01]} Qd6 {[%emt 0:00:00]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.2"]
[White "Van Foreest, Jorden"]
[Black "Dubov, Daniil"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2543"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,115,20,27,35,20,0,0,20,46,46,48,52,50,52,47,49,97,74,94,68,70,72,79,
83,87,66,67,72,99,79,110,104,180,171,142,141,156,127,122,121,209,155,148,148,
156,181,164,151,288,285,285,282,372,347,374,393,449,450,405,376,376,384,431,
425,414,413,612,588,606,549,581,572,701,666,731,721,837,837,823,817,718,604,
704,699,788,763,943,940,825,714,1141,662,916,629,594,568,6436,5933,4722,792,
29974,29971]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O d6 6. a4 O-O 7.
Re1 Be6 8. a5 a6 9. Nc3 {[%cal Bb1c3,Bc3e4,Be4g3][%mdl 32] [#] C55: Two
Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} Nxe4 $146 {[%mdl 64] [#]
Remove Defender, Decoy} ({Predecessor:} 9... Qd7 10. h3 Rfe8 11. Ng5 Bxc4 12.
dxc4 Bf8 13. Nf3 h6 14. Nd5 Qd8 15. b3 g6 16. Nh2 Nxd5 17. cxd5 {1/2-1/2 (36)
Xu,Y (2534)-Wang,H (2710) Tianjin 2018}) 10. Nxe4 {Hoping for Bxe6.} d5 {
[%mdl 64] Double Attack} 11. Nfg5 {The position is equal.} Bf5 12. Ng3 {
Bxd5 is the strong threat.} Bg6 13. Ba2 {[#] Threatens to win with h4.} Bxg5
14. Bxg5 Qxg5 15. Bxd5 Rfe8 16. Ra4 Qf6 17. h4 Rad8 18. Qf3 Qxf3 19. Bxf3 f6
20. Rc4 e4 21. dxe4 ({But not} 21. Nxe4 $2 f5 $19) 21... Re5 22. Ra1 Rd7 23.
Bg4 Rd4 (23... Rd8 $16) 24. Rxd4 $18 Nxd4 25. Rd1 Nxc2 26. Rc1 Nd4 27. Rxc7 h5
(27... Kf8 $16 {keeps fighting.} 28. h5 (28. Rxb7 Rxa5 29. h5 Ra1+ 30. Kh2 Be8
$16) 28... Be8 29. Rxb7 Rxa5) 28. Bc8 Rxa5 29. Bxb7 Kh7 30. Bd5 f5 31. Rc4 f4 (
31... Ra1+ $16 {was necessary.} 32. Kh2 Rd1) 32. Rxd4 fxg3 33. fxg3 {[%mdl
4096] Endgame KRB-KRB} Ra1+ 34. Kf2 Rc1 35. Rb4 Be8 36. Rb8 Bb5 37. Bg8+ Kh6
38. Ke3 g5 39. Bd5 gxh4 40. gxh4 Rc2 (40... Rh1 $142 41. e5 Kg7 42. Rg8+ Kh7)
41. b3 Kg7 42. g3 Kf6 {If Black can now play ...Ke5 this consolidates a bit.}
43. Rb6+ Ke7 44. Kf4 Rc3 45. Rg6 a5 46. Ke5 Be8 47. Rg7+ Kf8 48. Rg8+ Ke7 49.
Kd4 Rc1 50. Rg7+ Kf6 51. Ra7 Rd1+ 52. Kc5 Rd3 53. e5+ Kf5 54. e6 Ke5 55. Bc4
Rxg3 56. Ra8 Bg6 57. e7 (57. Rg8 $142 Kf6 58. Kd6) 57... Rg4 58. Rg8 {Weighted
Error Value: White=0.09/Black=0.29} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.3"]
[White "Vachier-Lagrave, Maxime"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2860"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,-5,-6,-33,-16,-20,-14,-17,-13,-19,0,-49,-14,-29,-28,-28,0,-28,0,
-27,6,-28,0,0,0,-29,-6,-21,-17,-16,0,-15,0,-14,-10,-16,0,0,0,-6,0,0,0,0,0,0,0,
0,0,0,0,0,0,-14]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. c3 e6 5. e3 Bd6 6. Bg3 Qc7
7. Nbd2 Nbd7 8. Bd3 O-O 9. e4 {[#] aiming for e5. D02: 1 d4 d5 2 Nf3 sidelines,
including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12.
Bc2 Rd8 13. Qe2 b6 14. O-O-O Bxg3 15. hxg3 Bb7 16. Rh4 h6 {[#]} 17. Qe3 $146 ({
Predecessor:} 17. Rdh1 cxd4 18. Nxd4 Bxg2 19. R1h2 Bd5 20. Qe3 Kf8 21. f4 Rac8
22. g4 g6 23. Rf2 Kg7 24. g5 hxg5 25. fxg5 Nh5 26. Nf3 Bxf3 27. Qxf3 Qe7 {
1/2-1/2 (27) Hankel,D (2131)-Bischoff,U (1961) Frankfurt 2019}) 17... Bxf3 18.
Qxf3 {With the idea Rxh6!} cxd4 19. Rhxd4 Rac8 20. Kb1 Kf8 21. a4 {The
position is equal.} Rxd4 22. Rxd4 Ke7 23. Bd3 Qc6 (23... Rd8 {with more
complications.} 24. Rxd8 Qxd8 25. Kc2 h5 26. Qb7+ Qd7) 24. Qxc6 (24. Kc2 {
seems wilder.} Qxf3 25. gxf3 h5 26. Kd2 e5 27. Rb4) 24... Rxc6 $11 {[%mdl 4096]
Endgame KRB-KRN} 25. Kc2 a5 26. Kd2 h5 (26... Rc5 {feels hotter.} 27. Be2 Rf5
28. f4 g5 29. Rc4 Kd6) 27. Rc4 Rxc4 28. Bxc4 {KB-KN} g6 29. Bb5 Kd6 30. Ke3
Ng4+ 31. Ke2 Nf6 32. Ke3 Ng4+ 33. Ke2 Nf6 34. Ke3 {Not much happened in this
game.  Weighted Error Value: White=0.13/Black=0.10} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.4"]
[White "Firouzja, Alireza"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2703"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,0,0,0,0,0,0,0,0,-14,-12,-15,-12,-11,-7,-26,-14,-26,-36,-36,-57,-40,
-34,-34,-37,-37,-46,-49,-18,-26,-47,-43,-40,-102,-21,-107,-109,-103,-99,-100,
-118,-167,-149,-260,-255,-427,-474,-452,-213,-224,-202,-254,-206,-212,0,0,0,
-211,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 (3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3
axb4 7. cxb4 b6 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. a4 bxc5 11. b5 Bd6 12. Bb2 O-O
13. O-O Qc7 14. Nbd2 c4 15. Bc3 e5 16. a5 e4 17. b6 Qb8 18. Nd4 Bxh2+ 19. Kh1
Be5 20. Nc6 Qd6 21. Nxe5 Nxe5 {1-0 (35) Firouzja,A (2749)-So,W (2770) chess24.
com INT 2020}) 3... c5 4. e3 Nc6 5. Nbd2 Qb6 6. dxc5 {D02: 1 d4 d5 2 Nf3
sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxb2 7. Rb1 Qc3 8. Bb5 e6
9. O-O Be7 10. e4 {Black must now prevent exd5.} O-O 11. e5 Nd7 12. Nb3 {
Strongly threatening Bd2.} Qb4 {[%cal Rb4b5][%mdl 64] Double Attack} (12...
Ndxe5 $2 13. Nxe5 Nxe5 14. Bd2 $18) (12... Nxc5 $2 13. Bd2 $18) (12... Ncxe5 $2
13. Nxe5 Nxc5 14. Nxc5 $18) 13. Nfd4 Nxd4 $1 ({But not} 13... Ndxe5 $6 14. c3
$16) ({Worse is} 13... Nxc5 14. Bd2 $1 $16) (13... Ncxe5 $2 14. c3 $18) 14.
Nxd4 Qxc5 15. Re1 {[#]} a6 $146 ({Predecessor:} 15... Rd8 16. h4 Bxh4 17. Rb3
Nf8 18. Rh3 Be7 19. Bd3 g6 20. Nf3 Bd7 21. Bg5 Bxg5 22. Nxg5 {1-0 (31) Berkes,
F (2661)-Forcen Esteban,D (2556) Linares 2020}) 16. Bd3 g6 17. Nf3 b5 18. h4
Bb7 19. Ng5 Bxg5 20. Bxg5 d4 21. f4 ({Better is} 21. Qe2 $15) 21... Qc6 (21...
Bd5 $17 22. Ra1 Rfc8) 22. Qg4 (22. Be4 $11 {keeps the balance.} Qc7 23. Bxb7 (
23. Qxd4 Bxe4 24. Rxe4 Qxc2 $17) 23... Qxb7 24. Rb4) 22... h5 $17 23. Qg3 Nc5
$1 24. Bf6 Kh7 25. Bf1 Ne4 26. Rxe4 (26. Qd3 $17) 26... Qxe4 $19 27. Re1 $2 (
27. Bd3 {was called for.} Qe3+ 28. Qxe3 dxe3 29. a3) 27... Qxc2 28. Bd3 Qxa2 (
28... Qc3 $142 {Threatens to win with ...Rac8.} 29. Kh2 Bd5) 29. Re2 Qa1+ 30.
Kh2 {[#] White threatens Qg5 and mate.} Qd1 $1 31. Re1 Qd2 32. Re2 Qd1 33. Re1
{[#]} Qd2 (33... Qg4 $1 $19 {[%cal Rg4g3]} 34. Qxg4 hxg4) 34. Re2 $11 Qd1 $1 {
Weighted Error Value: White=0.20/Black=0.28} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.5"]
[White "Carlsen, Magnus"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2881"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,83,53,47,62,66,65,59,66,65,54,67,63,62,77,35,43,43,71,64,65,75,73,27,
52,0,0,0,30,36,63,51,43,36,31,41,116,112,112,112,187,180,386,362,425,384,511,
507,602,595,673,666,737,729,1283,1220,2262,2312,29975,29976,29972,5608]} 1. e4
c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4
9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Bxe3 {B47: Sicilian:
Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. fxe3 Be6 15. Qxd6 Rc8 {White is
slightly better.} 16. Rf2 {[#]} Qxd6 $146 ({Predecessor:} 16... Ng4 17. Qxc7
Rxc7 18. Rfd2 Ke7 19. Nd5+ Bxd5 20. exd5 Kd6 21. Re2 Rhc8 22. c3 b5 {1/2-1/2 
(30) Faerber,D (2321)-Richter,N (2290) Willingen 2020}) 17. Rxd6 Rxc3 18. bxc3
{Strongly threatening Rb6.} Nd7 19. a4 Ke7 20. Rd1 Rc8 21. Rb1 b6 22. Bf1 a5
23. Ba6 Rxc3 24. Bb7 (24. Rd2 $14) 24... Kd6 $11 25. Rd1+ Ke7 (25... Kc7 $5 {
[%cal Rc7b7]} 26. Bd5 Bxd5 27. Rxd5 (27. exd5 f6 $11) 27... f6 $11) 26. Rfd2
Nc5 27. Bc6 Rxe3 28. Rb1 $36 {[%mdl 2048] White has some pressure.} Nxe4 29.
Rd3 Rxd3 (29... Nc3 $14 30. Rxe3 Nxb1) 30. cxd3 $14 {[%mdl 4096] Endgame
KRB-KBN} Nc5 31. Rxb6 Nxd3 {[#]} (31... Bb3 $16 32. Bb5 f6) 32. Ra6 $1 $18 f5
$2 (32... Nb4 33. Ra7+ Kd6) 33. Rxa5 e4 34. Bb5 Nb4 35. Ra7+ Kf6 36. a5 {
[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} g5 37. a6 f4 38. Rh7 Bd5 39. Rxh6+ Ke5 40.
gxf4+ gxf4 41. a7 Bb7 42. Rb6 {Weighted Error Value: White=0.06/Black=0.61} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.6"]
[White "Anton Guijarro, David"]
[Black "Radjabov, Teimour"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2674"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,54,38,25,12,-1,-12,-36,0,-3,-6,-35,-25,-46,-4,-56,-46,-62,-36,-146,
-156,-244,-237,-236,-185,-222,-229,-227,-225,-199,-203,-715,-712,-872,-757,
-837,-819,-830,-828,-809,-791]} 1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bg2 e5 5. c4
e4 6. Nd4 {[#] A05: Réti Opening: 1 Nf3 Nf6.} d5 $146 ({Predecessor:} 6... g6
7. Bb2 Bg7 8. Nc2 O-O 9. O-O c6 10. d3 d5 11. Nc3 Re8 12. Rb1 dxc4 13. dxc4 {
1/2-1/2 (37) Mundorf,J (1903)-Grochal,J (2124) Vlissingen 2010}) 7. cxd5 Qxd5
8. Nc2 {The position is equal.} Nbd7 9. Nc3 Qh5 10. Ne3 O-O-O 11. Qc2 Bc5 12.
Bb2 (12. Rb1 $11) 12... Rhe8 13. Rc1 Kb8 $36 {[%mdl 2048] Black has some
pressure.} 14. h3 (14. O-O $15) 14... Ne5 $17 15. Kf1 {[#]} (15. Na4 $17 Nd3+
16. exd3 exd3 17. Qd1 Bxe3 18. fxe3 Bxg2 19. Qxh5 Nxh5 20. Rg1 Rxe3+ 21. dxe3
d2+ {[%mdl 64] Double Attack} 22. Kd1 dxc1=N+ 23. Kxc1 Bxh3 24. g4) 15... Nf3
$1 $19 {[%mdl 512]} 16. Nb1 ({Not} 16. exf3 $2 exf3 17. Rh2 fxg2+ 18. Kg1 Ne4
$19) 16... Ba6 {Strongly threatening ...Bxe2+!} 17. g4 {[#]} Qg5 18. b4 Bxe3 ({
Much less strong is} 18... Bxb4 19. Qxc7+ Ka8 20. d3 $17) 19. dxe3 ({Wrong is} 
19. Qxc7+ $2 Ka8 $19) 19... Nd5 20. h4 $2 (20. a4 Nxb4 21. Qxc7+ {[%mdl 64]
Double Attack} Ka8 22. Nc3) 20... Qxg4 {Black is clearly winning.} 21. Rh3 Nxh4
22. Rg3 {[#]} Nxe3+ $1 {[%mdl 512]} 23. Kg1 {[#]} Qxg3 $1 {[%mdl 512]} 24. fxg3
Nxc2 {Weighted Error Value: White=0.65/Black=0.13} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.7"]
[White "Grandelius, Nils"]
[Black "Karjakin, Sergey"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2632"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,92,37,19,93,0,41,0,22,0,18,10,34,33,13,8,25,14,23,10,67,70,82,87,94,
64,60,16,37,-377,-133,-177,-29,-84,0,0,0,0,0,-515,-540,-501,-496,-489,-489,
-476,-485,-485,-480,-415,-443,-481,-478,-468,-454,-482,-482,-402,-426,-570,
-544,-497,-331,-709,-653,-29982,-29983,-29984,-29984,-29984,-29985]} 1. e4 {
Finkel,A} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8.
c3 O-O 9. a4 b4 10. a5 Rb8 11. Nbd2 Be6 12. Nc4 h6 13. Re1 Qc8 {[#] C88:
Closed Ruy Lopez: Anti-Marshall Systems.} (13... Na7 $11 {keeps the balance.})
14. h3 $146 (14. d4 $1 $16 {[%cal Rd4d5]}) ({Predecessor:} 14. d4 Bg4 15. Ba4
Qb7 16. d5 Na7 17. Ne3 Bc8 18. Qd3 Ng4 19. c4 Nxe3 20. Bxe3 {1/2-1/2 (36) Leko,
P (2763)-Svidler,P (2738) San Luis 2005 CBM 110 [Finkel,A]}) 14... Rd8 15. Bc2
Bf8 {The position is equal.} 16. Qe2 b3 17. Bb1 Rb5 18. Be3 Re8 19. d4 exd4 20.
Nxd4 Nxd4 21. Bxd4 Bxh3 (21... Nh5 $1 $11) 22. Bxf6 $14 gxf6 23. gxh3 Qxh3 {
( -> ...Rg5+)} 24. f4 {Hoping for Qg2+.} Kh8 $1 25. Qg2 Qh4 {[%cal Rh4e1]} 26.
Re3 {[%mdl 8192] [#]} (26. Kf1 $1 $14 {was forced to keep a grip.}) 26... d5 $2
(26... Rh5 $1 $19 {and Black stays clearly on top. Threatens to win with ...d5.
} 27. Kf1 d5) 27. Rh3 (27. exd5 $2 Bc5 $19) 27... Qe1+ ({Black should try} 
27... Qxf4 $19 28. Ne3 dxe4) 28. Kh2 $1 $11 {aiming for e5.} dxc4 ({Better is} 
28... dxe4 $17 {And now ...Rd5 would win.} 29. Ne3 Rg5) 29. e5 $1 Rbxe5 30.
fxe5 Qxe5+ (30... Rxe5 $5 31. Bh7 $8 Qe2 $11) 31. Qg3 $2 {[%mdl 8192] Black
keeps a firm grip on the game.} (31. Kh1 $11) 31... Qe2+ $19 {[%mdl 64] Double
Attack} 32. Qg2 {Black must now prevent Qxe2.} Bd6+ 33. Kh1 {[%cal Rh3h6]} Qd1+
34. Qg1 {[%cal Rh3h6]} Qd5+ 35. Be4 Qxe4+ 36. Qg2 Qxg2+ 37. Kxg2 {[%mdl 4096]
Endgame KRR-KRB} Re2+ {[%mdl 64] Double Attack} 38. Kf3 Rxb2 39. Rxh6+ Kg7 40.
Rh4 Rc2 41. Rxc4 b2 42. Rb1 Ba3 {Strongly threatening ...f5.} 43. Rg1+ $2 (43.
Rg4+ Kf8 44. Rg2 Rxc3+ 45. Ke4) 43... Kf8 {...Rc1! is the strong threat.} 44.
Rxc7 Rc1 {Black mates.} 45. Rc8+ Ke7 46. Rgg8 b1=Q {Weighted Error Value:
White=0.95/Black=0.36} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "11.8"]
[White "Mamedyarov, Shakhriyar"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2761"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,114,0,0,0,-8,0,0,8,0,0,0,0,0,16,-26,-37,-34,-35,-28,-31,-83,-83,-84,
-85,-85,-85,-85,-85,-85,-82,-91,-91,-92,-92,-92,-92,-100,-100,-100,-100,-100,
-93,-93,-93,-93,-93,-93,-93,-93,-81,-81,-81,-95,-96,-112,-77,-102,-80,-80,-80,
-81,-66,-101,-101,-101,-97,-98,-98,-98,-98,-98,-98,-98,-98,-98,-98,-12816,
-12819,-6287,-7163,-12833,-12833,-12839,-12839,-12840,-12840,-12841,-12842,
-12842,-12843,-12843,-12843,-12844,-12844]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4.
d4 Nc6 5. Nf3 Nf6 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd6 9. O-O Be7 10. Bg5 O-O 11.
Qd2 b6 12. Rad1 Bb7 {B22: Sicilian: 2 c3.} 13. Rfe1 Rad8 {[#]} 14. Bf4 $146 ({
Predecessor:} 14. a3 Qb8 15. Qe3 Rfe8 16. Bc4 Qa8 17. Qf4 Na5 18. Be2 Nd5 19.
Qg3 Bxg5 20. Nxg5 {1-0 (30) Somlai,L (2348)-Szegi,T (2261) Hungary 2010}) 14...
Qd7 {The position is equal.} 15. a3 Qc8 16. Bd3 Na5 17. Qe2 Qa8 18. b4 Bxf3 19.
Qxf3 Qxf3 20. gxf3 Nc6 21. d5 (21. Be3 $15) 21... Nxd5 $17 22. Nxd5 Rxd5 23.
Be4 Rxd1 24. Rxd1 {[#]} Rd8 $1 25. Rxd8+ Nxd8 {[%mdl 4096] Endgame KBB-KBN} 26.
Bc7 f5 27. Bxd8 Bxd8 {KB-KB} 28. Bd3 Be7 29. h3 Kf7 30. Kf1 Kf6 31. Bc4 e5 32.
Bg8 h6 33. Bc4 Kg5 34. Ba6 Kf4 35. Ke2 e4 36. fxe4 Kxe4 37. Bd3+ Kf4 38. Bc4
Ke5 39. Kd3 g5 40. f3 Kf4 41. Be6 b5 42. Ke2 Bf6 43. Bd7 Bb2 44. a4 bxa4 45.
Bxa4 Ba3 46. b5 Kg3 47. Bc2 f4 48. Bf5 h5 49. Be6 $2 {[%mdl 8192] [#] White
does not recover from this.} (49. Bg6 $17) 49... Kg2 $1 $19 {Black is clearly
winning.} 50. Bf5 Bc5 51. Be6 g4 52. fxg4 f3+ 53. Kd2 f2 54. Bc4 {[#]} h4 $1
55. g5 f1=Q 56. Bxf1+ Kxf1 57. g6 Bf8 {Weighted Error Value: White=0.33/
Black=0.02} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.1"]
[White "Giri, Anish"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2731"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,25,22,0,27,22,35,23,31,23,17,19,20,0,0,0,0,0,1,0,22,-5,41,24,29,
33,23,35,34,0,34,-15,0,-31,0,-30,-31,-85,-88,-78,-92,-66,192,201,195,-337,-335,
-304,-281,-529,-517,-29965,-29966,-29966,-29962,-29997,-29998]} 1. e4 c5 2. Nf3
e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Qd3 {B46: Sicilian:
Taimanov: 5 Nc3 a6.} d5 8. Qg3 d4 9. Nb1 {White is slightly better.} h5 10. h4
Nf6 {[#]} 11. e5 $146 ({Predecessor:} 11. Nd2 Ng4 12. Nc4 Bb4+ 13. Kd1 Qf6 14.
f3 Ne3+ 15. Bxe3 dxe3 16. e5 Qd8+ 17. Bd3 {1-0 (26) Audi,A (2378)-Pniaczek,M 
(2211) Chess.com INT 2020}) 11... Ne4 12. Qf4 Bb4+ 13. Nd2 Nxd2 14. Bxd2 Bxd2+
15. Qxd2 Qd5 16. f4 a5 17. Be2 Ba6 18. Bf3 Qc5 19. O-O-O Rd8 {[%cal Ba8d8,
Bd8d7,Bd7d3][%mdl 32]} 20. Kb1 O-O 21. Rhg1 Rd7 22. g4 Rb8 (22... d3 $5 23.
cxd3 (23. gxh5 $2 dxc2+ 24. Qxc2 Bd3 $19) 23... Rxd3 $15) 23. Ka1 d3 {Hoping
for ...Rdb7.} 24. cxd3 (24. gxh5 $15 dxc2 25. Qxd7) 24... Rxd3 $17 25. Qg2 hxg4
26. Bxg4 a4 $2 {[%mdl 8192]} (26... Rxd1+ $1 $15 {keeps the upper hand.} 27.
Rxd1 Bd3) 27. Rxd3 $18 Bxd3 {[#]} 28. Bxe6 $4 {[%mdl 8192] [#]} g6 $19 {
( -> ...a3)} 29. f5 {[#] White wants to mate with Qxg6+.} Kf8 $1 {...a3 is the
strong threat.} 30. fxg6 $2 ({Wrong is} 30. Bxf7 $2 a3 $19) (30. a3 Qd4 31. Rd1
(31. Bxf7 $2 Be4 $19) 31... fxe6 32. fxe6) 30... fxe6 31. Rd1 {[#]} (31. Rh1
$19 Qxe5 32. Qf3+ Ke7 33. Qf2 Bxg6 34. h5) 31... a3 $1 {Black mates.} 32. Qf3+
Bf5 {[%csl Gb8][%cal Ra3b2]} 33. b3 Qxe5+ {Weighted Error Value: White=0.69/
Black=0.23} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.2"]
[White "Karjakin, Sergey"]
[Black "Mamedyarov, Shakhriyar"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2709"]
[BlackElo "2761"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,56,71,76,-114,-108,-106,-70,-63,-62,-53,-52,-91,-86,-75,-25,-93,-96,
-74,-87,-124,-118,-260,-247,-234,-241,-253,-228,-725,-695]} 1. e4 c5 2. Nf3 Nf6
3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 Qb6 9. Bc4
Bxf2+ 10. Ke2 O-O 11. Rf1 Bc5 12. Ng5 Nd4+ 13. Kd1 Ne6 14. Ne4 d6 15. exd6 Rd8
{[%cal Rc5d6]} 16. c3 $2 {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation).} ({
Don't go for} 16. Nxc5 $2 Rxd6 17. Nd3 Rxd5 $19) (16. Bd3 $16 {Qf5 is the
strong threat.} Bxd6 17. Qh5) 16... Bxd6 $17 17. Kc2 {[#]} Bf4 $146 {[%mdl 512]
} ({Predecessor:} 17... Bf8 18. Qh5 Qc7 19. Bxe6 Bxe6 20. Ng5 h6 21. Nxe6 fxe6
22. Qg4 Qd7 23. Qe4 Rac8 {1-0 (57) Vasta,E (2400)-Piscicelli,D (2340) Mar del
Plata 1994}) 18. Qb5 {Black is slightly better.} Qxb5 19. Bxb5 Bxh2 20. g3 b6
$1 21. Bc4 b5 22. Bxb5 (22. Bd3 $1 $11) 22... Bb7 23. Bd3 {[#]} Rd7 $1 $36 {
[%mdl 2048] Strongly threatening ...Rad8. Black has strong initiative.} 24. Re1
Rc8 {Threatens to win with ...Nd4+.} 25. Bf1 {[#] This costs White the game.} (
25. Bf4 $17 Nd4+ 26. Kb1) 25... Nd4+ $1 $19 26. Kb1 Nf3 27. Re2 f5 28. Bh3 $2 {
[#]} (28. Nd2 Nxd2+ 29. Bxd2 Bxg3 30. Kc2) 28... Ng1 $1 {[%mdl 64] Double
Attack.  Weighted Error Value: White=0.77/Black=0.06} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.3"]
[White "Radjabov, Teimour"]
[Black "Grandelius, Nils"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2758"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "202"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,201,14,21,39,45,22,32,37,16,23,28,31,23,44,44,52,46,47,36,68,51,39,
52,64,59,69,-100,-97,-123,25,28,44,39,82,-28,11,14,29,41,34,36,58,0,0,0,0,0,0,
0,0,-10,0,-2,0,0,0,-114,-37,-41,-36,-295,0,-257,-216,-256,-21,-82,0,0,0,-430,
-444,-419,-402,-391,-173,-196,0,-198,-198,-190,-190,-197,-204,-747,-752,-750,
-747,-756,-732,-728,-221,-717,-221,-511,-221,-221,-221,-221,-221,-221,-221,
-221,-221,-221,-221,-221,-221,-221,-89,-221,-221,-221,-221,-221,-221,-221,-221,
-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,
-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,-221,
-221,-221,-221,-221,-221,-221,-221,-38,-221,-100,-221,-221,-221,-213,-221,-221,
-221,-221,-221,-221,-221,-221,-221,-221,-221,-206,-214,-8,-8,-8,-8,-8,-8,-8,-8,
-8,-8,-8,-8,-8,-8,-8,-220,-8,-8]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5.
Bg5 Bg7 6. Nf3 O-O {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} 7. e3 {7.Rc1 is the
fancy move.} Nxc3 8. bxc3 c5 {White is slightly better.} 9. Bd3 Nc6 10. O-O h6
11. Bh4 {[#]} Be6 $146 {[%cal Rc5d4]} ({Predecessor:} 11... b6 12. Be4 Bb7 13.
dxc5 Qc7 14. cxb6 axb6 15. Bg3 Qc8 16. Rb1 Na5 17. Bxb7 Qxb7 {0-1 (41) Van
Wely,L (2622)-Gupta,A (2581) chess.com INT 2019}) 12. Rb1 Qd7 13. Qe2 Rac8 14.
Rfd1 Rfd8 15. h3 cxd4 16. cxd4 a6 17. a4 Na5 18. e4 $2 (18. Qe1 $14 {keeps the
upper hand.} Nc6 19. Be4) 18... Bb3 $17 {White must now prevent ...g5.} 19. Rd2
Qxa4 ({Better is} 19... Bxa4 $17 {Threatens to win with ...Nb3.} 20. d5 Nb3)
20. Bxe7 $11 Re8 21. Bc5 b5 22. Rdb2 (22. Qe1 $16 Rxc5 23. dxc5) 22... Bc4 (
22... Rxc5 $5 23. dxc5 Bd1 24. Rxd1 Bxb2 $11) 23. e5 Bxd3 24. Qxd3 Qc4 25. Qa3
Nb7 {[%cal Rb7c5]} 26. Bb6 (26. Bb4 $14) 26... Ra8 27. Qa2 Qc6 28. Ba5 Nxa5 29.
Qxa5 Bf8 30. Ra2 Qd5 31. Rba1 Rec8 32. Qd2 b4 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl
32]} 33. Ra5 (33. Rxa6 $11 Rxa6 34. Rxa6) 33... Qe4 (33... Qc4 $1 $17 34. d5 b3
) 34. Re1 $15 Qc2 35. Qf4 $2 {[%mdl 8192]} (35. Ra2 $15 Qxd2 36. Nxd2) 35...
Qf5 $2 (35... b3 $19 {Strongly threatening ...b2.} 36. Raa1 g5) 36. Qd2 $2 {
[%mdl 8192]} (36. Qxf5 $11 gxf5 37. Rb1) 36... b3 $19 37. e6 Qf6 (37... Qc2 $1
$19 {[%cal Rc2d2]} 38. exf7+ Kg7) 38. exf7+ (38. Raa1 $11 {keeps the balance.})
38... Kg7 (38... Kh7 $17 {...Rab8 is the strong threat.} 39. Rf1 Qxf7) 39. Rb1
$11 Rab8 40. Qd3 $2 {[%mdl 8192]} (40. Qe3 $11 {and White is okay.}) 40... b2
$1 $19 41. Re5 Rc1+ 42. Re1 Rxe1+ (42... Rxb1 $142 43. Rxb1 Qf5) 43. Nxe1 Rb5
$2 ({Not} 43... Kxf7 44. Qc4+ Ke8 45. Nd3 $16) (43... Qxf7 44. Qxa6 Qc7 45. Qe2
$15) (43... Qf5 $19 44. Qd1 a5) 44. Qe2 $2 (44. Qc3 $1 $11) 44... Qxd4 45. Nd3
{[%cal Rb1b2]} a5 $1 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} ({Less strong is} 
45... Kxf7 46. Rxb2 Rxb2 47. Nxb2 $11) 46. g3 {[%cal Rb1b2] [#]} a4 $1 {
[%cal Ra4a3] Hoping for ...a3.} ({But not} 46... Kxf7 47. Rxb2 Rxb2 48. Nxb2
$17) 47. Nf4 $2 {[#]} (47. Rxb2 Rxb2 48. Nxb2) 47... Rb6 $1 48. Ne6+ {[#]} Rxe6
$1 {[%mdl 512]} 49. Qxe6 {[%mdl 4096] Endgame KQR-KQB} a3 50. Qb3 Qa7 $2 (50...
Qb4 51. Qa2 Qc3) 51. h4 $2 (51. Rxb2 axb2 52. Qxb2+ Kxf7 53. h4) 51... Qxf7 $2
(51... Qc5 {And now ...Qc1+ would win.} 52. Rd1 Qb4) 52. Qc3+ (52. Rxb2 {
was the only chance.} axb2 53. Qxb2+ Kh7 54. Qb5) 52... Kh7 (52... Qf6 $142 53.
Qc4 h5) 53. Rxb2 axb2 54. Qxb2 Bg7 55. Qe2 Qf5 56. Kg2 Qd5+ 57. Kh2 Bf6 58. Qc2
Kg7 59. Kg1 Bd4 (59... Qe5 $19 {has better winning chances.} 60. Qc6 Qe1+ 61.
Kg2 Qe7) 60. Qe2 (60. h5 $17) 60... Qe5 61. Qf3 Qf5 62. Qe2 Kf6 63. Kg2 Qd5+
64. Kg1 Be5 65. Qa6+ Qe6 66. Qd3 Qd6 67. Qf3+ Kg7 68. Kg2 Bf6 69. Qb7+ Be7 70.
Qe4 Qf6 71. Qb7 Kf7 72. Qd5+ Qe6 73. Qf3+ Qf5 74. Qb3+ Kg7 75. Qb7 Qe5 76. Qf3
Bc5 77. Qb7+ Qe7 78. Qd5 Bb6 79. Qc6 Qc7 80. Qd5 Qf7 81. Qd2 Qb7+ 82. Kg1 Kh7
$2 (82... h5 $19 83. Qd6 Kh7) 83. Qe2 $2 (83. h5 $1 $15) 83... Bd4 (83... h5
$19 {and Black stays clearly on top.} 84. Qe8 Bd4) 84. Qd3 (84. h5 $17 {
was forced.}) 84... Qd5 {( -> ...Bxf2+!)} 85. Qe2 Kg7 86. Qe7+ Qf7 87. Qe2 h5
88. Kg2 Qd5+ 89. Kg1 Kf6 90. Qd2 Qe4 91. Kh2 Ke5 92. Qa5+ Qd5 $2 (92... Ke6 $19
{aiming for ...Qe2!} 93. Qd8 Kf7 94. Qc7+ Kg8 95. Qc8+ Kh7) 93. Qxd5+ $11 Kxd5
{KB-K3P} 94. g4 Ke4 (94... hxg4 $5 95. Kg3 $8 Bg7 96. Kxg4 Bh6 $11) 95. gxh5
gxh5 {KB-KPP} 96. f3+ Kf4 97. Kg2 Be3 98. Kh1 Kxf3 99. Kh2 Kg4 100. Kg2 $2 (
100. Kh1 $11 {and White stays safe.}) 100... Kxh4 $2 ({Black should try} 100...
Bd4 $19 101. Kh2 Kxh4) 101. Kh1 Kg3 {And White is the lucky defender. 
Weighted Error Value: White=0.76/Black=0.47} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.4"]
[White "Pichot, Alan"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2548"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,16,23,20,18,0,50,43,54,28,34,36,43,18,66,-52,44,0,61,25,75,64,73,
66,81,76,113,108,123,133,165,131,200,179,203,190,258,254,340,340,339,294,375,
377,377,316,313,165,178,114,150,158,213,58,182,0,0,-87,-100,-595,-319,-446,
-428,-5900,-5900,-5310,-5310,-29977,-29978,-29987,-29988,-29987,-2965,-29997,
-29992,-29997,-29988,-29980,-29981]} 1. e4 c6 2. Nf3 d5 3. d3 Qc7 4. exd5 cxd5
5. c4 Nf6 6. Nc3 {B10: Caro-Kann: 2 d3 and 2 c4.} e6 7. g3 {[#]} Qd8 $146 ({
Predecessor:} 7... Bb4 8. Bf4 Qe7 9. d4 O-O 10. c5 Ne4 11. Qb3 Nc6 12. Bd3 e5
13. Bxe4 exf4 {0-1 (28) Swiercz,D (2649)-Liang,A (2592) Lichess.org INT 2020})
8. Bg2 {White is slightly better.} Nc6 9. Bf4 Be7 10. O-O O-O 11. Ne5 Re8 12.
Nb5 (12. Re1 $14) 12... Rf8 (12... g5 $1 $15 13. Nxf7 Kxf7 14. Bxg5 Kg8) 13.
Nc3 h6 (13... Re8 $11) 14. Rc1 g5 15. Nxc6 bxc6 16. Bd2 Rb8 17. b3 Kg7 18. Qe2
Bd6 19. f4 g4 20. Na4 c5 (20... Kh7 $16 {might work better.} 21. Qe3 Bb4 22.
Bxb4 (22. Qxa7 Bxd2 23. Qxb8 Bxc1 $16) 22... Rxb4 23. Qxa7 Qd6) 21. cxd5 $18
exd5 22. Nxc5 d4 (22... Bf5 $142 23. Be3 Re8) 23. f5 Bxc5 24. Rxc5 Bb7 25. Bf4
Re8 26. Qd2 Bxg2 27. Kxg2 ({Weaker is} 27. Qxg2 Rc8 $18) 27... Nd5 28. Bxh6+ (
28. Bxb8 $142 Ne3+ 29. Kg1 Qxb8 30. Rf4) 28... Kh7 {With the idea ...Qd6.} 29.
f6 (29. Kg1 $18 Rb6 30. Bg5) 29... Re5 $16 {Black wants to play ...Ne3+.} 30.
Kg1 {Hoping for Bg7.} Qd6 (30... Qe8 $16 {keeps fighting.} 31. Qa5 Kxh6 32.
Rxd5 Rxd5 33. Qxd5 Rd8) 31. b4 $2 (31. Rc2 $1 $18) 31... Rxb4 {[#]} (31... Qe6
$1 $14) 32. Rc8 $2 (32. Bg7 $1 $18 {[%mdl 512] Intending Qh6+ and mate.} Re3
33. Rxd5 $1 {[%mdl 576] Remove Defender, Deflection} Qxd5 34. Qxb4) 32... Ne3
$11 33. Bf8 (33. a3 $11 {keeps the balance.} Ra4 34. Qc1) 33... Qe6 $40 {
[%mdl 128] Black has strong attack.} 34. Rc7 {[%mdl 8192]} ({But not} 34. Bxb4
$6 Qxc8 35. Rf4 Rf5 $11) (34. Rfc1 $17 {is tougher.} Ra4 35. a3) 34... Rbb5 35.
Re7 {[#]} ({Avoid the trap} 35. Rxa7 $2 Rf5 $19) 35... Rf5 $1 {[%csl Ge3][%cal
Rf5f1]} 36. Re1 (36. Qxe3 $142 Qxe3+ 37. Rxe3 dxe3 38. a4) 36... Qxf6 $19 {
( -> ...Rf1+)} 37. R7xe3 dxe3 38. Qe2 Rf3 39. d4 Rbf5 40. d5 Rxd5 (40... Qd4
$142 41. Rd1 Qe4 42. Qb2 {[#]} Rf1+ $3 {[%mdl 576] Deflection, Decoy} 43. Rxf1
Rxf1+ 44. Kxf1 Qh1+ 45. Ke2 Qxh2+ {[%mdl 64] Double Attack} 46. Kd3 Qxb2 47.
Kxe3 Qe5+ {[%mdl 64] Double Attack} 48. Kd3 Qxg3+ 49. Kd4 Qf4+ 50. Kc3 Qe3+ 51.
Kc4 Qe4+ 52. Kc3 Qe3+ 53. Kc4 Qe4+ 54. Kc5 g3 55. Bd6 g2 56. Bh2 Qe3+ 57. Kb5
Qe2+ 58. Kc5 Qe3+ 59. Kb5 Qe2+ 60. Ka5 Qe1+ 61. Kb5 Qh1 62. d6 a6+ {[%mdl 64]
Promotion} 63. Kxa6 Qxh2 64. Kb7 Qxd6 65. Ka7 g1=Q+ 66. Ka8 Qg8+ 67. Kb7 Qgb8#)
41. Qc4 Qf5 {Black mates.} 42. Bb4 Rf2 43. Rxe3 {[#]} Rd4 $3 {[%mdl 512]
Weighted Error Value: White=0.92/Black=0.42} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.5"]
[White "So, Wesley"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2741"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,30,52,8,16,11,12,14,2,4,14,14,10,3,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,22,17,18,16,8,7,12,13,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 (4... Nf6
5. Nc3 Nc6 6. Nf3 a6 7. Rc1 Bf5 8. e3 Rc8 9. Be2 e6 10. O-O Nd7 11. Na4 Be7 12.
h3 O-O 13. a3 Na5 14. Nc5 Nc4 15. b4 Nxc5 16. dxc5 Nxa3 17. Nd4 {1-0 (44) So,W
(2778)-Carlsen,M (2843) Stavanger 2018 CBM 185 [So,Wesley]}) 5. e3 Bf5 6. Nc3 {
D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} e6 {The position is
equal.} 7. Nf3 Bd6 8. Bxd6 Qxd6 9. Nh4 Bg6 10. Bb5 Nf6 {[#]} 11. Bxc6+ $146 ({
Predecessor:} 11. Nxg6 fxg6 12. O-O O-O 13. Rc1 Rf7 14. Bxc6 bxc6 15. Na4 h5
16. h3 Raf8 17. Qc2 {1/2-1/2 (69) Ruiz,E-Mendivil,M Cartagena 2000}) 11... Qxc6
12. Rc1 O-O 13. Nxg6 hxg6 14. Qa4 Qd6 15. O-O Rfc8 16. Qb3 Qd7 17. Rc2 Rc6 18.
Rfc1 Rac8 19. Ne2 g5 20. h3 Ne4 21. Qa4 f6 22. Rxc6 Rxc6 23. Rxc6 Qxc6 24. Qxc6
bxc6 $11 {[%mdl 4096] Endgame KN-KN} 25. Nc1 Kf7 26. Nd3 Ke7 27. Kf1 Kd6 28.
Ke2 e5 29. g4 {[#] Black must now prevent f3.} exd4 30. exd4 {And now f3 would
win.} Ke7 31. a4 Nd6 32. b3 Nf7 33. Kd2 Kd6 34. Kc3 Nd8 $1 35. Nc5 Ne6 36. Nxe6
Kxe6 {KP-KP} 37. b4 Kd6 38. Kb3 Kc7 39. Kc3 Kb6 40. Kb3 Ka6 41. Kc3 Kb6 42. Kb3
Ka6 43. Kc3 Kb6 {Not much happened in this game.  Weighted Error Value:
White=0.03/Black=0.02} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.6"]
[White "Aronian, Levon"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2778"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,4,10,8,8,10,10,8,10,6,9,7,8,8,9,0,0,0,10,10,14,10,45,36,42,41,39,
41,37,17,20,13,13,18,21,10,33,28,28,35,34,13,18,7,16,10,16,0,0,0,0,0,0,0,0,0,
16,14,20,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4
c5 4. e3 Nc6 5. Nbd2 Bg4 6. h3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...
Nf6 3 g3 and 2...Nf6 3 Bf4.} Bxf3 7. Nxf3 ({Of course not} 7. gxf3 cxd4 8. exd4
Nxd4 $17) 7... e6 8. Be2 {[#]} Bd6 $146 ({Predecessor:} 8... cxd4 9. exd4 Bd6
10. Bg5 h6 11. Be3 Rb8 12. a4 a6 13. c3 O-O 14. O-O Qc7 {1/2-1/2 (35) Michalik,
P (2593)-Hracek,Z (2563) Plzen 2020}) 9. dxc5 Bxf4 10. exf4 Qa5+ 11. c3 Qxc5
12. Bd3 O-O 13. O-O Qd6 14. g3 Rfe8 15. Re1 e5 (15... Rac8 {with more
complications.} 16. Qe2 Qc7 17. Kg2 Na5 18. Ne5 Nc4) 16. fxe5 Nxe5 17. Nxe5
Rxe5 18. Rxe5 Qxe5 19. Qf3 Re8 20. Rd1 g6 21. Kg2 Kg7 22. Rd2 Qe1 (22... Qg5 {
seems wilder.} 23. Rc2 Re1 24. h4 Qe5 25. a3 b6) 23. Qd1 Qxd1 24. Rxd1 $11 {
[%mdl 4096] Endgame KRB-KRN} Kf8 25. Kf3 Re6 {The position is equal.} 26. Bc2
Ke7 27. Bb3 Re5 28. g4 h5 29. Rd4 hxg4+ 30. hxg4 b6 31. c4 dxc4 32. Rxc4 Kf8
33. Rc8+ Re8 $1 {[%cal Re8c8]} 34. Rc6 Nd7 {[#] ...Ne5+ is the strong threat.}
35. Rc7 Ne5+ 36. Kg3 {aiming for f4.} Re7 37. Rc8+ Kg7 38. Rd8 g5 39. f4 gxf4+
40. Kxf4 Ng6+ 41. Kf3 Ne5+ 42. Kf4 Ng6+ 43. Kf3 Ne5+ 44. Kf4 {Weighted Error
Value: White=0.04/Black=0.03} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.7"]
[White "Dubov, Daniil"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2770"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,16,16,18,16,15,8,12,9,5,10,8,7,0,3,0,0,0,11,6,12,10,34,14,14,14,
14,14,14,14,20,0,48,47,47,50,62,50,53,41,93,82,73,68,80,81,161,161,161,148,148,
143,120,98,189,27,62,44,43,0,0,0,0,0,0,0,305,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4
Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6
10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 h6 13. Bxf6 {E05: Open Catalan: 5 Nf3 Be7.}
Bxf6 14. Rd1 a5 15. Nbd2 Bxf3 16. Nxf3 Na6 17. Qc4 c6 18. e4 Nb4 19. h4 {[#]}
Qb6 $146 ({Predecessor:} 19... Rc8 20. h5 Qb6 21. Rd2 Rfd8 22. Rad1 Rc7 23. Bh3
Rcd7 {1-0 (51) Lekic,D (2343)-Silva,T (1995) Lisbon 2020}) 20. Rd2 Qa6 21. Qb3
Rad8 22. Rad1 Rfe8 23. Bf1 Qb6 24. Bc4 Qc7 25. Qe3 Nd5 26. Qe2 ({Much weaker is
} 26. exd5 exd5 27. Qd3 dxc4 $17) 26... Nb4 27. Kg2 Be7 28. Ne5 Bd6 29. f4 Bxe5
30. dxe5 Rxd2 31. Qxd2 Na6 ({Black should play} 31... Qb6 $14) 32. Qd4 $1 $16
Qe7 33. Bxa6 bxa6 {[%mdl 4096] Endgame [#] KQR-KQR} 34. Qb6 $1 Qb4 (34... g5
$16) 35. Qxb4 $18 ({Stronger than} 35. Qxc6 Qxb2+ 36. Kh3 Rb8 $11) 35... axb4 {
KR-KR} 36. Kf3 c5 37. Ke3 Rc8 38. Rc1 h5 {[#]} (38... c4 $16) 39. a5 $2 (39.
Kd3 $1 $18) 39... Kf8 $11 40. Kd3 Ke7 41. Kc4 {Hoping for Rd1.} Rb8 $1 42. Kb3
Rb5 43. Ka4 b3 44. Rc3 Rb4+ {[%mdl 64] Double Attack} 45. Ka3 Rb5 $1 {The
position is equal.} 46. Ka4 Rb4+ {[%mdl 64] Double Attack} 47. Ka3 Rb5 48. Ka4
{Weighted Error Value: White=0.09/Black=0.09} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "12.8"]
[White "Nakamura, Hikaru"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2829"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,25,25,17,17,10,13,10,16,15,23,-17,14,-18,-18,-15,-14,-14,-14,-18,
-14,-18,-12,-18,-17,-23,-22,-22,-18,-16,-21,-22,-12,-14,0,-8,-14,-22,-23,-57,
-55,-54,0,0,0,-54,0,-7]} 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.
} Nd7 7. Nc4 f6 8. O-O Nf8 {[#]} 9. Be3 $146 ({Predecessor:} 9. c3 Ne6 10. b4
Be7 11. Be3 O-O 12. a3 c5 13. Qc2 Kh8 14. Rad1 Qe8 15. bxc5 Nxc5 {0-1 (34) Le,
Q (2709)-So,W (2770) chess24.com INT 2020}) 9... Bxe3 10. fxe3 Ng6 11. a4 Be6
12. b3 O-O 13. Qe1 Qe7 14. h3 b6 15. Kh2 a5 16. g4 Qc5 17. d4 Qe7 18. Ncd2 Rad8
19. c3 Bc8 20. Qg3 Ba6 21. Rf2 Qd6 22. h4 exd4 23. exd4 Nf4 24. Ng1 Nd3 25. Rg2
Nf4 (25... h6 $15) 26. Rf2 $11 Nd3 ({Black should play} 26... g5 $11) 27. Rg2
$1 $15 Nf4 28. Rf2 {Weighted Error Value: White=0.05/Black=0.08} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.1"]
[White "Van Foreest, Jorden"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2543"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,135,28,21,21,20,20,29,18,18,18,18,18,15,23,16,12,20,20,13,12,14,14,
12,17,9,6,2,6,3,7,6,4,4,15,11,28,23,28,29,30,26,33,14,14,14,79,31,118,122,94,
96,177,177,177,177,177,177,118,112,177,177,198,44,46,44,44,44,45,45,8,8,8,17,
23,8,8,8,8,8,23,8,167,167,167,167,167,167,167,0,8,0,162,93,156,51,52,43,43,43,
46,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,-8,-8,-8,8,8]} 1. d4 d5 2. Nf3 Nf6 3. g3
g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 {D77: Fianchetto
Grünfeld: 6 0-0: Replies other than 6...c6.} 9. Nb5 Na6 {[%cal Bb8a6,Ba6c5,
Bc5e4][%mdl 32]} 10. Nxc3 Nxc5 {White has an edge.} 11. Be3 {Strongly
threatening Qxd8.} Nfe4 12. Nxe4 Nxe4 13. Bd4 Bxd4 14. Qxd4 Qxd4 15. Nxd4 Nd6
16. Rac1 Rd8 17. f4 Kf8 18. Kf2 Bg4 19. Rc3 Rac8 20. Rfc1 Rxc3 21. Rxc3 Rc8 22.
Rxc8+ Bxc8 $11 {[%mdl 4096] Endgame KBN-KBN} 23. b3 {[#]} f5 $146 ({
Predecessor:} 23... e6 24. e4 f6 25. e5 fxe5 26. fxe5 Nf7 27. Nf3 Bd7 28. Ke3
Bc6 29. Kd4 Ke7 {1/2-1/2 (36) Meier,G (2621)-Li,C (2699) chess.com INT 2019})
24. Ke3 Bd7 25. Bd5 Kg7 26. Nf3 Kf6 27. Ne5 Be8 28. a4 e6 29. Bf3 b6 (29... g5
$11) 30. Kd4 (30. Bc6 {with more complications.} Bf7 31. Kd4 Bg8 32. b4 Bf7 33.
e3) 30... a5 (30... g5 $14) 31. Bc6 $1 $16 Bxc6 32. Nxc6 {KN-KN} Ne4 (32... Nc8
$16) 33. Ne5 $18 Nd2 34. Nd7+ Ke7 35. Nxb6 Nxb3+ 36. Kc4 Nd2+ (36... Nc1 $16)
37. Kb5 Kd6 38. Kxa5 $2 (38. Nc4+ $1 $18 Nxc4 39. Kxc4) 38... Kc7 39. Kb5 Nf1
$1 40. a5 Nxh2 41. a6 {White wants to mate with a7.} Kb8 42. Nc4 {White
threatens Kb6 and mate.} (42. Nd7+ {looks sharper.} Ka7 43. Nf8 Nf1 44. Nxh7
Nxg3 45. Nf8) 42... Ka7 43. Nd6 {Threatening mate with Ka5.} Ng4 44. Nc8+ Ka8
$1 45. Kb6 {Hoping for a7.} Nf6 46. Nd6 Nd5+ 47. Ka5 Nc3 $2 (47... Ka7 $11) 48.
Nb5 $1 {[%cal Rb5c3]} Nd5 ({Stronger than} 48... Nxe2 49. Kb6 Kb8 50. a7+ Kc8
51. a8=Q+ Kd7 52. Qb7+ Ke8 53. Nd6+ Kf8 54. Qf7#) 49. Nd4 Nc7 50. Kb6 Nd5+ {[#]
} 51. Ka5 $2 (51. Kc6 $1 $18) 51... Nc7 $1 $11 52. Kb6 $2 (52. Nc6 $11) 52...
Nd5+ $18 {[#]} 53. Kb5 ({White has to play} 53. Kc6 $1 $18) 53... Nc7+ (53...
Ka7 $142) 54. Kc6 (54. Ka5 $16) 54... Nxa6 $14 55. Nxe6 {Nc7+ is the strong
threat.} Nb4+ $1 56. Kd6 Na2 57. Nc7+ Kb7 {The position is equal.} 58. Nd5 Nc1
59. Nc3 Kb6 60. e4 fxe4 61. Nxe4 {aiming for g4.} Ne2 62. Ke5 h5 63. Kf6 h4 $1
64. gxh4 Nxf4 65. Kg5 Ng2 66. Kxg6 Nxh4+ 67. Kf6 Nf5 68. Kxf5 {Weighted Error
Value: White=0.15/Black=0.15} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.2"]
[White "Vachier-Lagrave, Maxime"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2860"]
[BlackElo "2829"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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 0:00:01]} 3. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:01]} 4. O-O {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:00]} Nd6 {[%emt 0:00:01]} 6.
dxe5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:01]} 7. a4 {[%emt 0:00:00]} Nbd4 {
[%emt 0:00:00]} 8. Nxd4 {[%emt 0:00:00]} d5 {[%emt 0:00:02]} 9. exd6 {[%emt 0:
00:00]} Nxd4 {[%emt 0:00:00]} 10. Qxd4 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:01]}
11. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:00]} 12. Qd4 {[%emt 0:00:00]} Qd6 {
[%emt 0:00:00]} 13. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 14. Qd4 {
[%emt 0:00:00]} Qd6 {[%emt 0:00:00]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.3"]
[White "Firouzja, Alireza"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2703"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,58,25,26,20,55,22,52,46,58,67,58,3,7,10,11,11,12,12,12,11,11,11,11,
11,12,12,12,12,21,21,21,12,21,12,21,12,12,0,21,10,10,0,17]} 1. Nf3 d5 2. g3 g6
3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. b3 Bf5 8. Bb2 a5 9. Nc3 Ne4 10. Ne5
{[#] D78: Fianchetto Grünfeld: 6 0-0 c6.} Nd7 $146 ({Predecessor:} 10... Nxc3
11. Bxc3 Be6 12. cxd5 cxd5 13. Rc1 Nc6 14. e3 Bxe5 15. dxe5 Qd7 16. Qd3 d4 17.
exd4 Bd5 {1-0 (63) Ding,L (2777)-Andreikin,D (2712) Huaian 2017}) 11. cxd5 Nxe5
12. Nxe4 {White is slightly better.} Bxe4 13. Bxe4 cxd5 {[#]} 14. Bg2 ({
White should try} 14. Bxd5 $1 $14 Qxd5 15. dxe5) 14... Nc6 $11 {The position
is equal.} 15. e3 Qd7 16. Qe2 Rfd8 17. Rfc1 a4 18. Bc3 axb3 19. axb3 e6 20. Qb5
Bf8 21. Bf1 Be7 22. Ra4 Rac8 23. Ba5 Re8 24. Bd2 h5 25. h4 Bd6 26. Bg2 Rc7 27.
Bf1 Rcc8 28. Raa1 Qe7 29. Ra4 Qd7 {Weighted Error Value: White=0.09/Black=0.05}
1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.4"]
[White "Carlsen, Magnus"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2881"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,20,14,3,10,0,2,0,4,0,-3,-6,-6,0,0,0,0,-42,0,0,8,8,11,10,14,19,18,
10,10,11,20,18,21,12,10,10,6,6,8,9,9,9,31,0,34,8,25,25,25,25,25,25,34,37,67,67,
67,60,60,60,67,75,406,400,389,380,417,326,387,17,18,0,0,0,0,0,0,0,0,0,0,0,0,0,
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,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. d4 Nf6 2. c4 e6 3.
Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin
Defence (4 Nf3 Bb4).} O-O (6... c6 7. e3 Bf5 8. Qb3 Qb6 9. Nh4 Bg6 10. Nxg6
hxg6 11. h3 Nbd7 12. Bd3 c5 13. a3 Ba5 14. Qxb6 Bxb6 15. dxc5 Nxc5 {1/2-1/2 
(61) Carlsen,M (2862)-Aronian,L (2781) chess24.com INT 2020}) 7. e3 c5 8. dxc5
{The position is equal.} Qa5 9. Nd2 {[#]} Nc6 $146 ({Predecessor:} 9... Bxc3
10. bxc3 Qxc5 11. Rc1 b6 12. Qa4 Bb7 13. Be2 Nbd7 14. O-O Qe7 15. Rfd1 Rfc8 {
1/2-1/2 (65) Van Foreest,J (2612)-Van Foreest,L (2521) Amsterdam 2019}) 10. Nb3
Bxc3+ 11. bxc3 Qxc3+ 12. Qd2 Qxd2+ 13. Kxd2 Ne4+ (13... d4 $5) 14. Ke1 g5 15.
Bc7 Be6 16. f3 Rac8 17. Bg3 Nxg3 18. hxg3 Kg7 19. Bd3 h6 20. Kd2 Ne5 21. Rhc1
Rfe8 22. Nd4 Nc4+ 23. Bxc4 dxc4 24. Nxe6+ Rxe6 25. Rxc4 $11 {[%mdl 4096]
Endgame KRR-KRR} b6 26. Rac1 Rec6 27. Ra4 Rxc5 28. Rxc5 Rxc5 29. Rxa7 {KR-KR}
Rb5 30. Rc7 Ra5 31. Rc2 Ra3 32. g4 b5 33. Rb2 b4 34. e4 Kf6 35. Kc2 Rc3+ $2 {
[%mdl 8192]} (35... Ke5 $16) 36. Kb1 $18 Rc4 37. Rd2 Ke5 38. Rd5+ Kf4 39. Rf5+
$2 ({White should play} 39. Kb2 $18) 39... Kg3 $11 40. Rxf7 Rc3 41. Rf6 Kxg2
42. e5 Re3 43. e6 {[#] Hoping for Kc1.} Re2 44. Kc1 {Kd1 is the strong threat.}
({Don't play} 44. Rxh6 Kxf3 45. Kc1 Kxg4 $17) 44... Rxa2 45. Kd1 (45. Rxh6 Kxf3
46. Rh8 Re2) 45... b3 {( -> ...Ra1+)} 46. e7 (46. Rxh6 {is a self mate.} Ra1+
47. Ke2 b2 48. e7 b1=Q 49. Rh2+ Kxh2 50. e8=Q Qe1+ 51. Kd3 Qxe8 52. Kc4 Qc6+
53. Kd3 Rd1+ 54. Ke2 Qc2+ 55. Ke3 Qd3+ 56. Kf2 Rf1#) 46... b2 $1 {[%cal Rb2b1]
[#]} 47. Kc2 b1=Q+ 48. Kxb1 Re2 49. Rf7 {Black must now prevent Kc1.} ({
Of course not} 49. Rxh6 Kxf3 50. Rh7 Kxg4 $17) 49... Kf2 50. Kc1 {And now Kd1
would win.} Ke1 51. Rh7 {Threatens to win with f4.} Re6 52. Kc2 {Strongly
threatening Kd3.} Ke2 53. Rf7 Re3 54. Kc1 Ke1 55. Kb1 Ke2 56. Kc2 Ke1 57. Rh7
Ke2 $1 58. Rxh6 Rxe7 59. Rf6 Re3 60. Rf5 Rxf3 $2 {[%mdl 8192]} (60... Re7 $11)
61. Rxg5 {Mate.} Rg3 62. Re5+ Kf3 63. g5 Kf4 64. Rc5 Rxg5 65. Rxg5 Kxg5 {
[%mdl 32768] What a bad dream for White.  Weighted Error Value: White=0.16/
Black=0.16. An unexpected result.} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.5"]
[White "Anton Guijarro, David"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C22"]
[WhiteElo "2674"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,-3,0,0,0,0,0,0,0,0,0,0,8,3,9,4,15,-4,-9,-21,-4,-5,-4,-9,0,-3,-3,
-10,-10,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Bd2
Bb4 {The position is equal.} 6. a3 {C22: Centre Game.} Bxd2+ 7. Nxd2 O-O 8.
O-O-O d5 9. exd5 Qxd5 {[#]} 10. Ne2 $146 ({Predecessor:} 10. Nc4 Qh5 11. Ne2
Ng4 12. Qg3 Qc5 13. Ne3 Nxe3 14. Qxe3 Qxe3+ 15. fxe3 Bg4 16. h3 Bxe2 17. Bxe2 {
0-1 (39) Bancod,R (2266)-Korneev,O (2524) Johor 2019}) 10... Qe5 11. Qxe5 Nxe5
12. h3 Bd7 13. Nd4 Rad8 14. Nc4 Rfe8 (14... Ng6 {seems wilder.} 15. g3 Ne4 16.
Rh2 Rfe8 17. Nf3 Bc6) 15. Nxe5 Rxe5 16. Bc4 Kf8 17. Nf3 Ree8 18. Ng5 Re7 19.
Rhe1 Rxe1 20. Rxe1 Be8 21. g3 h6 22. Ne4 Nxe4 23. Rxe4 $11 {[%mdl 4096]
Endgame KRB-KRB} Bc6 24. Re3 (24. Re5 {feels hotter.} b6 25. h4 Re8 26. Rxe8+
Kxe8 27. Kd2) 24... Re8 25. Rxe8+ Kxe8 {KB-KB} 26. h4 Ke7 27. Kd2 a5 28. b4
axb4 29. axb4 b6 30. Ke3 f6 31. Kd4 Bd7 32. Bd3 Kd6 33. c3 g5 34. Be4 c5+ 35.
bxc5+ bxc5+ 36. Ke3 Ke5 37. f4+ gxf4+ 38. gxf4+ Kd6 39. Bf3 Be6 40. Be4 Bd7 41.
Bf3 Be6 42. Be4 Bd7 {An uneventful encounter.  Weighted Error Value: White=0.
01/Black=0.02} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.6"]
[White "Grandelius, Nils"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2632"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,85,27,34,8,0,14,50,45,24,25,33,43,91,56,104,87,95,38,112,94,112,102,
108,107,94,97,94,99,110,93,-18,99,124,100,187,183,196,209,209,195,197,201,251,
189,314,322,486,506,492,487,485,411,385,344,1351,1342,1329,1343,1211,1268,2688,
2537,1900,1381,29947,6114,29989,29970,2439,29944,29981,29982,29982,29983,29983,
29980]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 {
B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 8. Nxc6 dxc6 (8...
Qxc6 {with more complications.} 9. a3 Bb7 10. f3 Bc5 11. Qd2 Ne7) 9. Qf3 {
White is slightly better.} e5 {[#]} 10. h4 $146 ({Predecessor:} 10. O-O-O Be6
11. Bh3 Bb4 12. g5 Bxh3 13. Qxh3 Ne7 14. a3 Bxc3 15. bxc3 Qc8 16. Qxc8+ Rxc8 {
0-1 (32) Sanchez Jerez,E (2274)-Paunovic,D (2509) Roquetas de Mar 2011}) 10...
Be6 11. g5 Bb4 12. a3 Ba5 13. Bc5 Bb6 14. Qe3 (14. Bxb6 $16 Qxb6 15. O-O-O)
14... Rb8 ({Better is} 14... Bxc5 $14 15. Qxc5 O-O-O) 15. O-O-O $16 Ne7 16. h5
Qa7 17. Bxb6 Qxb6 18. Qg3 b4 {[#]} 19. axb4 Qxb4 20. Qxe5 {Strongly
threatening Nb5!} Qxb2+ 21. Kd2 {Threatens to win with Rb1.} Rd8+ {White
leaves nothing to chance now.} 22. Bd3 {Hoping for Rb1.} Qb6 (22... Bc4 $16 {
was necessary.} 23. Rh3 f6) 23. Ke2 $18 O-O {next ...Bg4+ is good for Black.}
24. h6 {[%csl Gh6][%cal Re5g7] [#]} Qd4 25. Qxd4 Rxd4 26. hxg7 (26. Bxa6 $6
Bc4+ 27. Bxc4 Rxc4 $16) 26... Kxg7 27. Ke3 (27. Bxa6 Bc4+ 28. Bxc4 Rxc4 $14)
27... Rfd8 (27... c5 $142 28. Rh2 (28. Bxa6 Nc6 $16) 28... Rh8) 28. f4 ({Not} 
28. Bxa6 Rxd1 29. Nxd1 (29. Rxd1 Rxd1 30. Nxd1 h6 $16) 29... Ra8 $16) 28... Bg4
(28... Kg8 {keeps fighting.} 29. f5 Bc8) 29. Rdg1 Bc8 30. f5 Kg8 31. Rh2 c5 32.
Rgh1 c4 $2 (32... Nxf5+ 33. exf5 Re8+ 34. Kf2 Bb7) 33. Rxh7 {Intending Rh8+
and mate.} Kf8 34. Rh8+ Ng8 35. Be2 Rd2 36. f6 Rxc2 37. Nd5 Rxd5 38. exd5 c3
39. Bd3 Rg2 40. Bh7 (40. Rc1 $18 Bd7 41. Rxc3 Rxg5 42. Rc7) 40... Rxg5 {
White mates.} 41. Rxg8+ Rxg8 42. Bxg8 Kxg8 43. Rc1 {Weighted Error Value:
White=0.12/Black=0.72} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.7"]
[White "Mamedyarov, Shakhriyar"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2761"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,74,0,7,10,11,12,41,43,29,26,30,8,35,0,0,0,0,0,0,0,6,0,0,0,0,-22,-3,
-6,-7,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3.
Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O
10. Qf3 c6 11. h3 Bd6 12. Bg5 Rb8 13. b3 {C47: Scotch Four Knights and Four
Knights with 4 g3.} Be5 {[#]} 14. Bf4 $1 Qd6 (14... Bxf4 15. Qxf4) 15. Bxe5 {
White is slightly better.} Qxe5 {[#]} 16. Rae1 $146 ({Predecessor:} 16. Rfe1
Qd6 17. Na4 c5 18. Qg3 Qxg3 19. fxg3 c4 20. bxc4 Rb4 21. Nc3 dxc4 22. Bf1 {
1/2-1/2 (68) Blohberger,F (2434)-Zarubitski,V (2451) Moscow 2019}) 16... Qd6
17. Qe3 a5 (17... c5 {is interesting.} 18. Qe7 Qc6 19. Qxa7 Ra8 20. Qe7 Be6)
18. Ne2 Bd7 {The position is equal.} 19. c4 Rfe8 20. Qf4 Qxf4 21. Nxf4 Kf8 22.
cxd5 cxd5 23. Rxe8+ Bxe8 24. Be2 a4 25. Rd1 axb3 26. axb3 Rxb3 27. Nxd5 Nxd5
28. Rxd5 $11 {[%mdl 4096] Endgame KRB-KRB} Rb1+ 29. Rd1 Rxd1+ 30. Bxd1 {KB-KB}
Kg8 31. Kh2 Kh8 32. Kg1 f6 33. Kh2 Bf7 34. Kg1 Bg8 35. Kh2 Bf7 36. Kg1 Bg8 37.
Kh2 Bf7 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "13.8"]
[White "Nepomniachtchi, Ian"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2709"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} Nd6 {[%emt 0:00:00]} 6.
dxe5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:00]} 7. a4 {[%emt 0:00:00]} Nbd4 {
[%emt 0:00:00]} 8. Nxd4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 9. exd6 {[%emt 0:
00:00]} Nxd4 {[%emt 0:00:01]} 10. Qxd4 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:01]}
11. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:01]} 12. Qd4 {[%emt 0:00:01]} Qd6 {
[%emt 0:00:01]} 13. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:01]} 14. Qd4 {
[%emt 0:00:01]} Qd6 {[%emt 0:00:02]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.1"]
[White "Giri, Anish"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2731"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,14,22,6,17,0,0,8,13,14,10,27,11,0,0,7,9,-6,17,10,15,15,11,0,0,0,6,
0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nbd2 O-O 6. O-O {C65: Ruy
Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd4 7. Nxd4 Bxd4
8. c3 Bb6 9. Nc4 d5 10. exd5 Qxd5 11. Nxb6 {The position is equal.} axb6 12.
Bc4 Qd6 13. Bg5 Re8 14. Qf3 {[#]} Bg4 $146 ({Predecessor:} 14... h6 15. Bxf6
Qxf6 16. Qxf6 gxf6 17. f4 {1/2-1/2 (17) Fedorchuk,S (2667)-Erdos,V (2650) Bol
2013}) 15. Qg3 {[#] Strongly threatening Bxf6.} ({But not} 15. Qxb7 $2 Reb8 $19
) 15... Bf5 16. Qf3 Bg4 17. Qg3 {Bxf6 is the strong threat.} ({Don't blunder} 
17. Qxb7 $2 Reb8 $19) 17... Bf5 18. Qf3 Bg4 {A rather calm draw.  Weighted
Error Value: White=0.06/Black=0.02} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.2"]
[White "Radjabov, Teimour"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2758"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,29,6,22,3,22,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4.
cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 $1 {[%mdl 4] 8.Nf3 is the
modern continuation.} Qa5 {The position is equal.} 9. Nd2 {D85: Exchange
Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} O-O 10. Nb3 {[#]}
Qxc3+ $1 $146 {[%mdl 8] A relevant novelty.} ({Predecessor:} 10... Qc7 11. Nxc5
Nd7 12. Na4 a6 13. Qd2 b5 14. Nb2 Bb7 15. f3 Rac8 16. c4 f5 17. exf5 gxf5 18.
cxb5 axb5 19. Bxb5 {1-0 (41) Korobov,A (2652)-Nepomniachtchi,I (2729) Riadh
2017}) 11. Bd2 Qb2 12. Bc1 Qc3+ 13. Bd2 Qb2 14. Bc1 Qc3+ 15. Bd2 {A rather
calm draw.  Weighted Error Value: White=0.09/Black=0.04} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.3"]
[White "Pichot, Alan"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2548"]
[BlackElo "2761"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,106,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,-271,-271,-263,-214,-219,-218,-189,-177,-197,-158,-176,-98,
-102,-28,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-13,-31,-616,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5
Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines
with 5 d4 and 5 d3.} Bg4 11. h3 Bh5 12. Qc2 Bxf3 13. gxf3 Ng5 14. Bxc6 Nxf3+
15. Ke2 Nxd4+ 16. Bxd4 Bxd4 {[#]} 17. Bxd5 $146 {Threatens to win with f4.} ({
Predecessor:} 17. Bxb7 Rb8 18. Bc6 Rb6 19. Ba4 Qg5 20. Rae1 c5 21. Kd1 Bxe5 22.
b3 Rd8 23. Ne2 {0-1 (59) Yarmolyuk,Y (2331)-Zakharov,O (2290) ICCF email 2016})
17... Bxc3 18. Rhd1 {Bxf7+! is the strong threat.} Bxe5 {And now ...Qf6 would
win.} 19. Bxf7+ $1 Rxf7 20. Rxd8+ Rxd8 21. Rd1 Bd4 22. Qc4 c5 23. Rd3 Kf8 24.
f3 b6 25. b4 g6 26. bxc5 bxc5 27. Rb3 Re8+ 28. Kf1 Rfe7 29. Rb1 Kg7 30. Qd5 $2
{[%mdl 8192] [#]} (30. Kg2 $11 {and White is okay.}) 30... Re2 $1 $19 {[%cal
Re2f2]} 31. h4 Rf2+ 32. Kg1 Rb2+ 33. Qxd4+ cxd4 34. Rxb2 {[%mdl 4096] Endgame
KR-KR} Kf6 35. Kf2 Re3 ({Black should play} 35... h5 $19 36. Rb4 Ke5) 36. Rb4
$17 Ke5 (36... Ra3 $17 37. Rxd4 Rxa2+ 38. Ke3 a5 39. Rf4+ Kg7) 37. Ra4 $11 Rc3
38. Rxa7 Rc2+ 39. Kg3 Kd6 40. Rxh7 d3 {aiming for ...d2.} 41. Rh8 $1 Kc5 {
Strongly threatening ...Kd4.} (41... Ke7 $5 42. Rh7+ $8 Kd6 $15) 42. Rd8 Kc4
43. a4 Kc3 44. Kf4 Ra2 45. Rd7 Ra1 {White must now prevent ...d2.} 46. Kg5 $2 {
[%mdl 8192] [#]} (46. Rc7+ $15 Kd2 47. Kg5) 46... Rxa4 $2 (46... Rg1+ $1 $19
47. Kf6 d2) 47. f4 $1 {The position is equal.} d2 (47... Rd4 {is more complex.}
48. Rc7+ Kb2 49. Rb7+ Kc1 50. Ra7 Kb1) 48. Rxd2 Kxd2 49. Kxg6 {KR-KPP} Ra6+ 50.
Kg7 Ra7+ 51. Kg6 $1 Ra6+ 52. Kg7 Ra7+ (52... Ke3 $5 53. f5 $8 Kf4 $11) 53. Kg6
Ra6+ {Weighted Error Value: White=0.22/Black=0.29} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.4"]
[White "So, Wesley"]
[Black "Grandelius, Nils"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2741"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,57,25,41,36,47,52,52,53,63,53,70,64,81,87,158,173,170,158,163,166,
262,262,428,402,396,374,374,370,549,531,716,729,631,647,948,919,1344,1190,
29957,10384]} 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 b6 10. O-O Qc7 11. Re1 $5 {[%mdl 4] Leaves trodden
paths. D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.}
Nc6 {[#]} 12. d5 $146 ({Predecessor:} 12. Be3 Bg4 13. h3 Bxf3 14. Bxf3 Rad8 15.
Rc1 b5 16. Qc2 Na5 17. Be2 cxd4 18. cxd4 Qxc2 19. Rxc2 Bxd4 20. Bxb5 Bxe3 21.
Rxe3 {1-0 (66) Klaus,E (2092)-Welti,M (2046) ICCF email 2016}) 12... Ne5 13. c4
$1 {White is slightly better.} f5 14. exf5 $1 Bxf5 15. Rb3 Rad8 16. Bb2 e6 (
16... Nxf3+ $142 17. Bxf3 Bxb2 18. Rxb2 Qd6) 17. Nxe5 Bxe5 18. Bxe5 Qxe5 19.
Bf3 Qf6 (19... Qd4 $142) 20. g4 $18 b5 $2 {[#]} (20... Bxg4 21. Bxg4 Qxf2+ 22.
Kh1 exd5 23. Be6+ (23. cxd5 Rf4 $18) 23... Kg7) 21. gxf5 bxc4 22. Rbe3 Qxf5 {
[%cal Re6d5]} 23. d6 Qf4 (23... Kg7 {is a better defense.} 24. d7 c3 25. Rxc3
e5) 24. d7 Rf7 25. Bc6 Qxf2+ 26. Kh1 c3 27. Rxe6 {[#] And now Re8+ would win.}
c2 28. Re8+ Kg7 29. Qa1+ {Black did not feel at home in the position after the
opening.  Weighted Error Value: White=0.01/Black=0.86} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.5"]
[White "Aronian, Levon"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2778"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,4,12,9,11,13,24,16,18,11,15,14,9,16,16,9,16,4,27,31,31,34,33,33,36,
36,38,36,36,37,34,9,193,191,177,191,228,228,228,221,425,439,479,438,547,544,
586,572,567,569,573,574,560,372,377,361,610,604,602,606,594,593,668,665,730,
716,829,856,825,742,1141,1141,1136,1134,1150,1210,1377,1076,1178,1181]} 1. d4
Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. h3 Bd6 6. Bxd6 {A47: 1 d4 Nf6 2 Nf3 b6:
Torre, London and Colle Systems.} cxd6 7. c4 d5 8. Nc3 {White has an edge.}
dxc4 9. Bxc4 O-O 10. Rc1 {[#]} a6 $146 ({Predecessor:} 10... Nc6 11. O-O Rc8
12. Qe2 Nb4 13. Nd2 d5 14. Bb5 Qe7 15. a3 Nc6 16. Rc2 Nb8 {1/2-1/2 (26) Sedlak,
N (2600)-Savic,M (2535) Novi Sad 2018}) 11. O-O b5 12. Be2 Nc6 13. Nd2 Rc8 14.
a4 b4 15. Nce4 Nxe4 16. Nxe4 {Strongly threatening Nd6.} d6 $1 17. d5 Ne7 18.
Rxc8 Nxc8 19. Ng3 e5 20. e4 $36 {[%mdl 2048] White has the initiative.} Nb6 $2
{[#] This move loses the game for Black.} (20... g6 $11) 21. a5 $1 $18 Nd7 22.
Qa4 Nc5 23. Qxb4 g6 24. Rc1 Ba8 $2 {[#]} (24... Qb8 {is a better defense.} 25.
Qb6 Nd7) 25. Qc4 Qg5 26. Rc3 Qd2 27. b4 Nd7 28. Nf1 Qb2 29. Rc2 Qb1 30. Bd3 Nf6
31. Rc1 Qb2 32. Qc3 Qa2 (32... Qxc3 33. Rxc3 Bb7) 33. Nd2 {White is clearly
winning.} Qa4 34. Bxa6 Kg7 35. Bd3 Bb7 36. Qb3 Qd7 37. a6 Ba8 38. b5 {[%cal
Bb4b5,Bb5b6][%mdl 32]} Rb8 39. b6 Nh5 40. Rb1 Nf4 41. Bf1 Qe7 42. b7 Bxb7 43.
axb7 Qg5 44. Qe3 {Weighted Error Value: White=0.10/Black=0.37} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.6"]
[White "Dubov, Daniil"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2770"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,153,0,-10,7,12,11,10,31,15,20,-3,0,-1,-7,-19,-20,-20,-22,-79,-62,-82,
-64,-101,-95,-108,-100,-122,-89,-64,-61,-112,-128,-168,-152,-166,-139,-247,
-237,-249,-125,-125,-109,-114,-125,-243,-286,-263,0,-368,0,0,0,0,0,0,0,0,0,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-9,-9,-9,-9,-87,-87,-100,-100,-100,-100,-100,
-100,-100,-100,-100,-100,-100,-100,-137,-137,-137,-137,-137,-137,-137,-137,
-137,-137,-137,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,
-100,-100,-100,-100,-100,-100,0,-100,0,-100,-8,-8,-8,-60,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 6. Bg2 dxc4
7. O-O Bd6 {E01: Catalan: Early deviations.} 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd2 Nb6
(10... Qxd4 $2 11. e3 $18) 11. a4 a5 $1 {[#]} ({Avoid the trap} 11... Qxd4 $2
12. e3 $18) 12. Nce4 $146 ({Predecessor:} 12. e3 O-O 13. f4 Qe7 14. Qe2 Bc7 15.
Nce4 f5 16. Nc5 Bd6 17. Nxc4 Bxc5 18. dxc5 Qxc5 {1/2-1/2 (96) Skytte,R (2416)
-Andersen,M (2504) Aarhus 2014}) 12... Qe7 13. b3 cxb3 14. Nxd6+ Qxd6 15. Qxb3
(15. e3 $11) 15... Qxd4 $17 16. Rfd1 O-O 17. Rab1 Nd5 {[%cal Rd5c3] And now ...
Nc3 would win.} ({Inferior is} 17... Nxa4 18. Ne4 $16 (18. Nc4 Qc3 $17)) 18.
Nc4 Qc3 19. e4 Qxb3 20. Rxb3 Nb4 21. e5 ({White should try} 21. f4 $15) 21...
Nd5 22. f4 b5 $1 {[%cal Rb5c4]} 23. axb5 cxb5 24. Bxd5 (24. Rxb5 $17 Ba6 25.
Rc5 Bxc4 26. Rxc4) 24... exd5 $19 25. Nb6 Ra6 (25... Bg4 $1 $19 {[%cal Rg4d1]}
26. Ra1 Ra7 27. Nxd5 Rb8) 26. Nxc8 $17 Rxc8 27. Rxb5 {[%mdl 4096] Endgame
KRR-KRR} a4 {[%cal Ba5a4,Ba4a3][%mdl 32] Strongly threatening ...Rc2.} 28.
Rdxd5 (28. Rb2 $17) 28... a3 $1 $19 {[%cal Ra3a2]} 29. Ra5 {[#]} Rcc6 (29...
Raa8 $1 $19 {...a2 is the strong threat.} 30. Rdc5 Re8 31. Rxa8 Rxa8) 30. Rd8+
$11 Kh7 31. Ra8 Rxa8 (31... Rxa5 {with more complications.} 32. Rxa5 Rc3 33.
Kg2 h5 34. Ra6 Rc2+) 32. Rxa8 {KR-KR} Rc1+ 33. Kg2 Rc2+ 34. Kf3 a2 35. f5 (35.
h4 {with more complications.} g6 36. g4 Kg7 37. h5 gxh5 38. gxh5 Rh2 39. Ke4)
35... Rxh2 36. e6 fxe6 37. fxe6 {Hoping for e7.} Rh1 38. Rxa2 {e7 would kill
now.} Re1 39. Ra6 Kg6 40. g4 Kf6 41. Kg3 Re3+ 42. Kf2 Rxe6 43. g5+ (43. Ra3 $11
) 43... hxg5 $17 44. Ra2 Kf5 45. Kf3 g4+ 46. Kg3 Re3+ 47. Kf2 Rf3+ (47... Rd3 {
with more complications.} 48. Kg2 g6 49. Rf2+ Kg5 50. Rf8 Rc3) 48. Kg2 Kg5 49.
Ra8 Rb3 (49... Rc3 {keeps more tension.} 50. Rh8 Re3 51. Rc8 Re2+ 52. Kg3 Re5)
50. Ra2 Kh4 51. Rc2 Rb8 52. Ra2 Rc8 53. Rb2 Ra8 54. Rc2 Ra4 55. Rb2 g3 56. Rc2
Rf4 57. Rc7 Rf2+ 58. Kg1 {[#]} g6 $1 59. Rc6 g5 60. Rh6+ Kg4 61. Rh8 Re2 (61...
Rc2 {is interesting.} 62. Rg8 Rc3 63. Kg2 Rc6 64. Re8 Rc4) 62. Ra8 Re4 63. Kg2
Rf4 64. Kg1 Rf2 (64... Kh3 $17) 65. Ra7 (65. Rh8 $1 $11 {remains equal.}) 65...
Re2 66. Ra8 $1 g2 (66... Rc2 $17) 67. Ra3 (67. Ra4+ {is more complex.} Kh5 68.
Ra3 Rb2 69. Ra1 Rc2 70. Ra3) 67... Kf4 (67... Re1+ {seems wilder.} 68. Kxg2
Re2+ 69. Kg1 Rb2 70. Kh1 Kh5) 68. Rb3 Re3 ({Better is} 68... Rc2 $15) 69. Rxe3
$11 {The position is equal.} Kxe3 70. Kxg2 {KP-K} Kf4 (70... g4 $5) 71. Kf2 g4
72. Kg2 g3 (72... Ke3 $5) 73. Kg1 Kg4 74. Kg2 Kh4 75. Kg1 Kh3 {( -> ...g2)} (
75... Kg4 $5) 76. Kh1 g2+ 77. Kg1 Kg3 {And White is the lucky defender. 
Weighted Error Value: White=0.15/Black=0.09} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.7"]
[White "Nakamura, Hikaru"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2829"]
[BlackElo "2703"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:53]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:02]} Nd6 {[%emt 0:00:00]} 6.
dxe5 {[%emt 0:00:24]} Nxb5 {[%emt 0:00:00]} 7. a4 {[%emt 0:00:01]} Nbd4 {
[%emt 0:00:02]} 8. Nxd4 {[%emt 0:00:01]} d5 {[%emt 0:00:02]} 9. exd6 {[%emt 0:
00:01]} Nxd4 {[%emt 0:00:01]} 10. Qxd4 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:01]}
11. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 12. Qd4 {[%emt 0:00:00]} Qd6 {
[%emt 0:00:01]} 13. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:00]} 14. Qd4 {
[%emt 0:00:00]} Qd6 {[%emt 0:00:01]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "14.8"]
[White "Van Foreest, Jorden"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2543"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,9,30,25,26,11,46,25,140,131,129,118,129,135,128,110,104,0,124,0,0,
0,0,0,0,0,0,0,0,0,35,43,36,39,156,165,141,148,143,94,118,0,0,0,0,0,190,193,199,
191,298,284,281,279,293,291,287,291,481,481,446,96,98,0,395,146,309,299,296,
231,317,189,175,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6
5. dxc5 Bg4 6. c3 {B12: Caro-Kann: Advance Variation.} e6 7. Be3 {7.b4 is
vanishing.} Nge7 {is the legacy move (7...a6).} 8. Bb5 {White is slightly
better.} Nf5 (8... Qa5 $11 {remains equal.} 9. Ba4 Bxf3 10. gxf3 Nf5) 9. Qa4
Bxf3 10. Bxc6+ bxc6 11. Qxc6+ Ke7 {[#] Threatens to win with ...Rc8.} 12. Qb7+
$146 ({Predecessor:} 12. gxf3 Rc8 13. Qb7+ Qc7 14. Qxc7+ Rxc7 15. b4 Kd7 16.
Ke2 Be7 17. Nd2 a5 18. Rhd1 Rb8 19. Nc4 axb4 20. Nb6+ Rxb6 21. cxb6 Rxc3 {
1-0 (54) Gong,Q (2267)-Udani,I (2340) Penang 2012}) 12... Ke8 13. Qc6+ Ke7 {
White must now prevent ...Rc8.} 14. Bg5+ (14. gxf3 $16 Qc8 15. Qxc8 Rxc8 16. b4
) 14... f6 $11 15. exf6+ gxf6 {aiming for ...Rc8.} 16. Qb7+ Ke8 {Strongly
threatening ...Rb8.} 17. Bxf6 $1 Qxf6 18. Qxa8+ Kf7 $1 {( -> ...Qe5+)} 19. gxf3
Qe5+ 20. Kd1 Bxc5 21. Qb7+ Ne7 (21... Kf6 $14) 22. Qb5 $1 $16 {[%cal Rb5c5]}
Bxf2 23. Qe2 Be3 24. Na3 {Hoping for Re1.} Nf5 25. Nc2 (25. Re1 $16) 25... d4
$11 26. cxd4 Rd8 27. Ke1 $1 Nxd4 (27... Qf4 $11 {and Black stays safe.} 28.
Nxe3 Nxe3) 28. Nxd4 $18 Qxd4 29. Kf1 {Re1 is the strong threat.} Rd5 (29... Rg8
$142) 30. Re1 Re5 31. h4 $1 Qf4 32. Kg2 Qf5 33. Qc4 h5 $2 (33... Qg6+ 34. Kh3
Qf5+ 35. Kg2 Qg6+ 36. Kh2 Qf5 37. Kg2) 34. Qc7+ Kf6 35. Qd8+ $2 (35. Qc3 $18
Qf4 36. Rd1) 35... Kf7 $16 {[#]} 36. Qc7+ $2 {[%mdl 8192]} (36. Rhg1 $1 $16 Rd5
37. Qc7+ Kf6 38. Qc3+ (38. Rxe3 Rd2+ 39. Kg3 Qg6+ 40. Kh3 Qf5+ 41. Rg4 hxg4+
42. Kg3 Rd1 $16) 38... Bd4 39. Qc8 Bxg1 40. Kxg1) 36... Kf6 $1 $18 {intending .
..Qg6+.} 37. Rd1 $2 (37. Qc3 $18 {and White stays clearly on top.} Qf4 38. Rd1)
37... Qg6+ $2 {[#]} (37... Rc5 $16 {keeps fighting.} 38. Qd8+ Kg6) 38. Kf1 $1
Bb6 39. Qd6 Qg7 40. Qd2 (40. Re1 $142 Rxe1+ 41. Kxe1) 40... Qg3 41. Qh6+ $2 (
41. Qg2 $18 Qf4 42. b3) 41... Ke7 $11 {[%cal Rg3f3] The position is equal.} (
41... Kf7 $5 42. Qh7+ $8 Kf8 43. Qh8+ Ke7 44. Qh7+ Kf8 45. Qh8+ Ke7 46. Qh7+
Kf8 $11) 42. Qh7+ Kf6 {[%cal Rg3f3]} (42... Kf8 $5 43. Qh8+ $8 Ke7 44. Qh7+ Kf8
45. Qh8+ Ke7 46. Qh7+ $11) 43. Qh8+ Ke7 {[%cal Rg3f3]} 44. Qh7+ Kf6 {[%cal
Rg3f3]} (44... Kf8 $5 45. Qh8+ $8 Ke7 46. Qh7+ $11) 45. Qh8+ Ke7 {[%cal Rg3f3]}
46. Qh7+ {White really could win this.  Weighted Error Value: White=0.43/
Black=0.34} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2860"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,88,12,15,0,0,0,0,0,12,16,14,15,7,14,14,6,11,1,19,19,29,23,35,35,28,
28,35,31,43,16,10,11,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,5,0,2,0,0,0,0,-8,0,0,
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 a6
6. Be3 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Nc6 10. Re1 {B90: Sicilian Najdorf:
Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Be6 11. Bb3 Na5 12. Bg5 Nxb3
13. axb3 Ng4 14. Bxe7 Qxe7 15. Nd5 Bxd5 16. Qxd5 Nf6 17. Qd3 {[#]} b5 $146 ({
Predecessor:} 17... Qc7 18. Nd2 Rfd8 19. Qc4 {1/2-1/2 (19) Boros,D (2461)
-Vazquez,G (2400) Cleveland 2015}) 18. b4 Rfd8 19. c3 g6 20. Qe3 Kg7 21. h3 Qc7
22. Ra5 Qb7 23. Nh2 d5 {The position is equal.} 24. exd5 Rxd5 25. Ng4 Nxg4 26.
hxg4 Rad8 27. Raa1 R8d6 28. Re2 Qd7 29. Qe4 Rd1+ 30. Rxd1 Rxd1+ $11 {[%mdl
4096] Endgame KQR-KQR} 31. Kh2 Qd5 32. Qxe5+ Qxe5+ 33. Rxe5 {KR-KR} Rd2 34. f3
Rxb2 35. Rc5 h6 36. Rc6 Ra2 $1 37. c4 bxc4 38. Rxc4 a5 39. bxa5 Rxa5 40. Re4 g5
41. Re2 Rb5 42. Re4 Ra5 43. Re2 Rb5 44. Re4 Ra5 {Weighted Error Value: White=0.
03/Black=0.02} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.2"]
[White "Firouzja, Alireza"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2703"]
[BlackElo "2543"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} Nd6 {[%emt 0:00:01]} 6.
dxe5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:02]} 7. a4 {[%emt 0:00:00]} Nbd4 {
[%emt 0:00:02]} 8. Nxd4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 9. exd6 {[%emt 0:
00:00]} Nxd4 {[%emt 0:00:03]} 10. Qxd4 {[%emt 0:00:01]} Qxd6 {[%emt 0:00:00]}
11. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 12. Qd4 {[%emt 0:00:00]} Qd6 {
[%emt 0:00:01]} 13. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 14. Qd4 {
[%emt 0:00:00]} Qd6 {[%emt 0:00:00]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.3"]
[White "Carlsen, Magnus"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[WhiteElo "2881"]
[BlackElo "2829"]
[Annotator "NA"]
[PlyCount "12"]
[EventDate "2021.03.13"]
[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. Ke2 {[%emt 0:00:00]} Ke7 {
[%emt 0:00:00]} 3. Ke1 {[%emt 0:00:00]} Ke8 {[%emt 0:00:00]} 4. Ke2 {[%emt 0:
00:00]} Ke7 {[%emt 0:00:09]} 5. Ke1 {[%emt 0:00:00]} Ke8 {[%emt 0:00:01]} 6.
Ke2 {[%emt 0:00:00]} Ke7 {[%emt 0:00:01]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.4"]
[White "Anton Guijarro, David"]
[Black "Dubov, Daniil"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2674"]
[BlackElo "2770"]
[Annotator "ChessBase"]
[PlyCount "113"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. b3 {[%emt 0:00:00]} g6 {
[%emt 0:00:00]} 3. Bb2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:01]} 4. g3 {[%emt 0:00:
00]} d6 {[%emt 0:00:16]} 5. d4 {[%emt 0:00:00]} c5 {[%emt 0:00:05]} 6. dxc5 {
[%emt 0:00:07]} Qa5+ {[%emt 0:00:14]} 7. Nbd2 {[%emt 0:00:45]} Qxc5 {[%emt 0:
00:03]} 8. e3 {[%emt 0:00:25]} O-O {[%emt 0:01:18]} 9. c4 {[%emt 0:00:50]} Nc6
{[%emt 0:00:28]} 10. Bg2 {[%emt 0:00:43]} Qh5 {[%emt 0:00:05]} 11. O-O {
[%emt 0:01:18]} Bg4 {[%emt 0:00:03]} 12. Qc2 {[%emt 0:01:23]} Rac8 {[%emt 0:00:
04]} 13. Nd4 {[%emt 0:00:30]} Nb4 {[%emt 0:01:40]} 14. Qb1 {[%emt 0:00:03]} Bh3
{[%emt 0:00:10]} 15. f3 {[%emt 0:00:38]} a6 {[%emt 0:00:55]} 16. a3 {[%emt 0:
00:31]} Nc6 {[%emt 0:00:16]} 17. Qe1 {[%emt 0:00:48]} Bxg2 {[%emt 0:01:06]} 18.
Kxg2 {[%emt 0:00:00]} b5 {[%emt 0:00:19]} 19. g4 {[%emt 0:00:55]} Qc5 {[%emt 0:
00:11]} 20. b4 {[%emt 0:01:45]} Qb6 {[%emt 0:00:07]} 21. Rc1 {[%emt 0:00:17]}
Ne5 {[%emt 0:00:45]} 22. Qe2 {[%emt 0:00:01]} bxc4 {[%emt 0:00:29]} 23. Nxc4 {
[%emt 0:00:01]} Nxc4 {[%emt 0:00:12]} 24. Rxc4 {[%emt 0:00:00]} Nd5 {[%emt 0:
03:17]} 25. Rfc1 {[%emt 0:01:15]} Rxc4 {[%emt 0:00:02]} 26. Rxc4 {[%emt 0:00:
01]} e5 {[%emt 0:00:08]} 27. Nc2 {[%emt 0:00:07]} Qb5 {[%emt 0:00:22]} 28. Kf2
{[%emt 0:01:00]} Bf6 {[%emt 0:00:12]} 29. Bc1 {[%emt 0:00:51]} e4 {[%emt 0:01:
32]} 30. Nd4 {[%emt 0:01:50]} Bh4+ {[%emt 0:00:03]} 31. Kf1 {[%emt 0:00:17]}
exf3 {[%emt 0:00:12]} 32. Nxf3 {[%emt 0:00:05]} Bf6 {[%emt 0:00:05]} 33. Rc2 {
[%emt 0:00:23]} Qa4 {[%emt 0:00:41]} 34. Qd3 {[%emt 0:00:20]} Re8 {[%emt 0:00:
24]} 35. Kf2 {[%emt 0:00:24]} Bg7 {[%emt 0:00:14]} 36. g5 {[%emt 0:00:21]} Nb6
{[%emt 0:01:13]} 37. e4 {[%emt 0:00:40]} d5 {[%emt 0:00:30]} 38. exd5 {[%emt 0:
00:04]} Nxd5 {[%emt 0:00:07]} 39. Re2 {[%emt 0:00:20]} Rd8 {[%emt 0:00:08]} 40.
Bb2 {[%emt 0:00:15]} Bxb2 {[%emt 0:00:51]} 41. Rxb2 {[%emt 0:00:00]} Rd6 {
[%emt 0:00:04]} 42. Re2 {[%emt 0:00:47]} Qd7 {[%emt 0:00:05]} 43. Qe4 {[%emt 0:
00:09]} Qa7+ {[%emt 0:00:49]} 44. Qd4 {[%emt 0:00:46]} Qxd4+ {[%emt 0:00:28]}
45. Nxd4 {[%emt 0:00:00]} Nxb4 {[%emt 0:00:07]} 46. axb4 {[%emt 0:00:45]} Rxd4
{[%emt 0:00:01]} 47. Ra2 {[%emt 0:00:00]} Rd6 {[%emt 0:00:50]} 48. Kg3 {
[%emt 0:00:21]} Kg7 {[%emt 0:00:16]} 49. h4 {[%emt 0:00:16]} h6 {[%emt 0:00:15]
} 50. Rc2 {[%emt 0:00:25]} Rd3+ {[%emt 0:00:32]} 51. Kf2 {[%emt 0:00:26]} hxg5
{[%emt 0:00:21]} 52. hxg5 {[%emt 0:00:01]} Rd5 {[%emt 0:00:00]} 53. Rc5 {
[%emt 0:00:16]} Rxc5 {[%emt 0:00:16]} 54. bxc5 {[%emt 0:00:00]} Kf8 {[%emt 0:
00:02]} 55. Ke3 {[%emt 0:00:05]} Ke7 {[%emt 0:00:02]} 56. Ke4 {[%emt 0:00:17]}
a5 {[%emt 0:00:44]} 57. Kd5 {[%emt 0:00:03]} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.5"]
[White "Grandelius, Nils"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2632"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,49,39,20,27,12,17,16,16,8,16,6,10,10,31,14,14,20,18,4,26,-18,0,0,0,
-11,-29,-27,-10,-4,0,-22,0,-20,0,-18,0,-16]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 {aiming for axb5.} Bb7 {C78: Ruy
Lopez: Archangelsk and Möller Defences.} ({Not} 8... Nxe4 $2 9. Bd5 $18) 9. d3
h6 10. Nh4 {[#]} Rb8 $146 ({Predecessor:} 10... O-O 11. axb5 axb5 12. Rxa8 Bxa8
13. Qf3 Kh8 14. Nf5 Ng8 15. Qg3 Qf6 16. Ne3 Qg6 17. Qxg6 fxg6 {1-0 (41)
Movsesian,S (2709)-Kurnosov,I (2674) Dagomys 2010}) 11. axb5 axb5 12. Nf5 O-O
13. Qf3 {[#] Qg3! is the strong threat.} Bc8 14. Nd2 Bxf5 15. Qxf5 Ne7 16. Qh3
b4 17. Bc4 bxc3 18. bxc3 c6 19. Nf3 d5 20. Ba2 Bd6 21. Bb1 {The position is
equal.} Ng6 22. Qf5 Ne7 23. Qh3 Ng6 24. Qf5 Ne7 25. Qh3 {A rather calm draw. 
Weighted Error Value: White=0.11/Black=0.09} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.6"]
[White "Mamedyarov, Shakhriyar"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2761"]
[BlackElo "2741"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2021.03.13"]
[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. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. O-O {[%emt 0:
00:00]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} Nd6 {[%emt 0:00:01]} 6.
dxe5 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:01]} 7. a4 {[%emt 0:00:00]} Nbd4 {
[%emt 0:00:02]} 8. Nxd4 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:01]} 9. Qxd4 {
[%emt 0:00:00]} d5 {[%emt 0:00:02]} 10. exd6 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:
01]} 11. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:01]} 12. Qd4 {[%emt 0:00:00]}
Qd6 {[%emt 0:00:02]} 13. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 14. Qd4 {
[%emt 0:00:00]} Qd6 {[%emt 0:00:01]} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.7"]
[White "Nepomniachtchi, Ian"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2778"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,34,50,12,31,20,33,33,36,61,60,18,15,27,26,47,18,28,47,22,58,43,
103,0,0,0,0,0,0,0,0,0,0,0,0,0,36,36,33,36,55,79,770,754]} 1. e4 c5 2. Nf3 e6 3.
d4 cxd4 4. Nxd4 Nc6 {[%cal Bb8c6,Bc6e5,Be5g4][%mdl 32]} 5. Nc3 Qc7 6. Be3 a6 7.
Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Ne5 8. Qg3 b5 9.
O-O-O {White is slightly better.} Nf6 {Threatening ...b4.} 10. f4 Neg4 11. Bd2
{Strongly threatening e5.} (11. Bg1 $5 {[%cal Re4e5]}) 11... b4 12. Na4 {
e5 is the strong threat.} h5 13. Bd3 d5 14. e5 Ne4 15. Bxe4 dxe4 16. h3 Nh6 {
[#]} 17. Qb3 $5 $146 {[%mdl 8] An interesting novelty.} (17. Bxb4 $1 $16 {
[%mdl 512] Threatens to win with Bd6!} Bxb4 18. Qxg7) ({Predecessor:} 17. b3
Bd7 18. Nb2 Bc5 19. Be3 O-O 20. Qf2 a5 21. Kb1 a4 22. g4 Ra6 23. Nxe6 Bxe6 24.
Bxc5 axb3 25. cxb3 {1/2-1/2 (48) Caruana,F (2832)-Shankland,S (2724) Germany
2019}) 17... Bd7 {aiming for ...Qa5.} 18. Bxb4 Rb8 19. Bxf8 Rxb3 {[%mdl 64] Pin
} 20. Bd6 $1 $36 {[%cal Rd6c7][%mdl 2048] White is pushing.} Qa5 21. axb3 Bxa4
22. bxa4 Qxa4 23. Ba3 {And now Rhe1 would win.} Kd7 {With the idea ...Kc8.} 24.
Rhe1 Kc8 25. Rxe4 Rd8 {next ...Nf5 is good for Black.} 26. Rd3 $1 Nf5 $2 {
[%mdl 8192] [#]} (26... Rd5 $16) 27. Nxe6 $1 {[%mdl 576] Discovered Attack. 
Weighted Error Value: White=0.12/Black=0.08} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "15.8"]
[White "Karjakin, Sergey"]
[Black "Radjabov, Teimour"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2709"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.03.13"]
[EventType "tourn"]
[EventCountry "NET"]
[Tiebreak "Koya+Number of black wins+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,59,18,23,27,23,30,25,25,17,58,64,83,34,34,27,54,33,53,54,58,60,68,70,
75,52,61,49,56,37,72,87,134,104,102,84,89,70,68,81,272,213,411,429,576,575,529,
545,695,525,503,507]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. O-O
h6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Nd5 Nf6 8. a3 $5 {
[%mdl 4] Leaves trodden paths.} O-O {White has an edge.} 9. c3 {[#]} Nd7 $146 (
{Predecessor:} 9... Nxd5 10. Bxd5 Bg4 11. h3 Bxf3 12. Qxf3 Bg5 13. Qg4 Bxc1 14.
Raxc1 Ne7 15. Ba2 Kh8 {1/2-1/2 (58) Stoinev,M (2268)-Miljkovic,M (2477)
Plovdiv 2010}) 10. b4 Nb6 11. Nxb6 axb6 12. Be3 Bf6 13. Qb3 Bd7 14. h3 Ne7 {
[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 15. a4 Qc7 16. Rfb1 Ra7 17. Nd2 Ng6 18. Kh2
Nf4 19. Ra2 g5 20. Nf1 d5 21. exd5 e4 {[#] Threatens to win with ...Nxd5+.} 22.
bxc5 bxc5 {aiming for ...Nxd5+.} 23. Qb6 Qxb6 24. Rxb6 Bd8 {This costs Black
the game.} (24... Be5 $16 25. Bxf4 (25. Rxh6 Nxd5+ 26. Kg1 Nxe3 $11) 25...
Bxf4+ 26. g3 Bc7) 25. Rxh6 Kg7 $2 {[#]} (25... Nxd3 26. Bxd3 exd3) 26. Bxc5 $18
Re8 {White is clearly winning.} 27. Rd6 b6 28. Bd4+ Kh7 29. Rxd7 Rxd7 30. Bb5 {
[%mdl 64] Skewer.  Weighted Error Value: White=0.18/Black=0.45} 1-0

