[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.1"]
[White "Radjabov, Teimour"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2758"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "69"]
[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 16,69,18,18,22,7,7,3,6,4,4,4,8,6,7,10,6,6,2,0,0,0,0,0,0,0,0,0,0,0,5,5,7,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4.
Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 {The position is
equal.} c5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 10. a3
(10. O-O cxd4 11. Nxd4 Bd7 12. Qb3 Nc6 13. Nxc6 Bxc3 14. Qxc3 Bxc6 15. Qxf6
gxf6 16. Rfd1 Rfd8 17. f3 f5 18. Kf2 Kg7 19. Ke1 {1/2-1/2 (40) Radjabov,T 
(2765)-Giri,A (2764) chess24.com INT 2021}) 10... Bxc3+ 11. Rxc3 Rd8 {[#]} 12.
Rd3 $146 ({Predecessor:} 12. Qc2 cxd4 13. Nxd4 Bd7 14. O-O Nc6 15. Nf3 Ne5 16.
Be2 Rac8 17. Nd4 Rxc3 18. Qxc3 Nc6 19. Nb5 Qxc3 20. Nxc3 Kf8 21. Rd1 {1/2-1/2 
(21) Ikonnikov,V (2542)-Papp,G (2583) Germany 2017}) 12... cxd4 13. Rxd4 Nc6
14. Rxd8+ Qxd8 15. Qxd8+ Nxd8 16. Ke2 Bd7 17. Rd1 Be8 18. Bd3 Rc8 19. Kd2 (19.
h4 {seems wilder.} Kf8 20. g4 f6 21. Nd4 Ba4 22. b3) 19... Kf8 20. Rc1 Rxc1 21.
Kxc1 $11 {[%mdl 4096] Endgame KBN-KBN} Ke7 22. Kd2 Kd6 23. Nd4 Nc6 24. Nxc6
Bxc6 {KB-KB} 25. g3 a5 26. b4 axb4 27. axb4 b6 28. Kc3 e5 29. f4 f6 30. Kd2 g5
31. Kc3 Bd5 32. Kd2 Bc6 33. Kc3 Bd5 34. Kd2 Bc6 35. Kc3 {A rather calm draw. 
Weighted Error Value: White=0.01/Black=0.00} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.2"]
[White "Pichot, Alan"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2548"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "80"]
[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 17,80,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,4,6,0,37,49,51,19,
35,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,-4,0,0,0]} 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 Nxc3 13. bxc3 f6 14. exf6 Qxf6 15. Be2 Na5 16.
O-O Bxf3 17. Bxf3 c6 18. Rae1 Nc4 19. Bc1 Bc7 {[#] aiming for ...Qd6.} 20. Be2
$146 ({Predecessor:} 20. Bg4 Rae8 21. g3 Bd6 22. h4 Qf7 23. h5 Ba3 24. Bg5 h6
25. Bf4 Bd6 26. Rxe8 Rxe8 {1/2-1/2 (39) Dominguez Perez,L (2763)-Grischuk,A 
(2759) Khanty-Mansiysk 2019}) 20... Qd6 {[%csl Gc7][%cal Rd6h2]} 21. f4 b5 22.
Bd3 g6 23. g3 Rae8 24. Kg2 Qd7 {The position is equal.} 25. Qd1 Nd6 26. Ba3 (
26. a4 {seems wilder.} bxa4 27. Qxa4 a5 28. Qc2 Kg7 29. Qd2) 26... Rxe1 27.
Rxe1 Re8 28. Bxd6 Rxe1 29. Qxe1 Bxd6 30. Qe2 Qe7 31. Qxe7 Bxe7 $11 {[%mdl 4096]
Endgame KB-KB} 32. Kf3 Kf7 33. Ke3 a5 34. Be2 Ke6 35. Kd3 Kd6 36. Bf3 Bf6 37.
Bg2 Bg7 38. Bf3 Bf6 39. Bg2 Bg7 40. Bf3 Bf6 {Weighted Error Value: White=0.03/
Black=0.03} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.3"]
[White "So, Wesley"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2741"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "116"]
[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 11,116,38,35,19,64,53,60,49,75,48,61,58,62,47,72,58,80,49,61,42,58,47,
57,44,58,54,48,48,68,-30,39,37,51,62,35,37,52,52,50,0,0,0,12,9,8,0,0,0,0,0,0,0,
0,3,10,8,16,13,101,101,101,0,0,0,0,0,0,0,0,-31,-31,-31,-31,-31,-30,-31,-31,-50,
-31,-50,-36,-50,0,-50,-20,-20,-20,-20,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-17,-8,
-29966,-8,-8,-8,-29987,-29988]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2
b5 6. O-O-O Nd7 7. h4 {B06: Modern Defence.} h6 8. f3 Nb6 9. Bd3 {White is
slightly better.} Bb7 10. Nh3 e6 11. g4 Ne7 {[#]} 12. Kb1 $146 ({Predecessor:} 
12. h5 g5 13. Ne2 d5 14. Nxg5 hxg5 15. Bxg5 Rf8 16. e5 c5 17. h6 Bh8 18. Ng3 {
0-1 (53) Rempel,E (2153)-Auer,M (2140) Germany 2014}) 12... Nc6 13. Ne2 Qe7 14.
Nf2 O-O-O 15. b3 Kb8 16. f4 f5 17. h5 $1 fxe4 18. Bxe4 gxh5 19. Rxh5 Rhf8 20.
Nd3 {[#]} ({Better is} 20. Ng3 $14) 20... Qe8 (20... Nxd4 $1 $11 21. Bxd4 (21.
Bxb7 Nxe2 22. Qxe2 Qf6 $17) 21... Bxe4) 21. Re1 $14 Ne7 22. Bxb7 Kxb7 23. Nc3
Ned5 24. Nxd5 Nxd5 25. f5 exf5 $1 26. Bxh6 Bxh6 27. Rxh6 Qf7 28. Qg2 {aiming
for Ree6.} fxg4 {Strongly threatening ...Qf3.} 29. Nb4 c6 30. Nxd5 Qxd5 31.
Qxg4 Rf7 32. Qh4 Rfd7 33. Re7 Kc7 34. Rhh7 c5 (34... Qf5 $11 {keeps the
balance.}) 35. Qe1 $1 $16 {[%cal Re1a5] Black must now prevent Qa5+.} b4 {[#]}
36. a3 (36. a4 $1 $16) 36... Qxd4 $11 37. axb4 Qxb4 38. Qe6 {[%cal Re7d7]} Qb5
39. Kb2 Qc6 40. c4 Rxe7 41. Rxe7+ $15 {[%mdl 4096] Endgame KQR-KQR} Rd7 42. Re8
Kb7 43. Qg8 Ka7 44. Qh8 Qb7 45. Re2 Rf7 {Hoping for ...Rf3.} 46. Qd8 Rd7 47.
Qh8 a5 48. Qe8 a4 49. Re3 d5 {Threatens to win with ...dxc4.} 50. Qf8 Qb4 {
( -> ...Qd2+)} 51. Re7 $1 {[%cal Re7d7]} Qxb3+ 52. Ka1 Qc3+ 53. Kb1 Qd3+ 54.
Ka1 Qd1+ 55. Kb2 a3+ {[%mdl 64] Decoy} 56. Kxa3 $2 {[%mdl 8192] [#]} (56. Ka2
$11 Qd2+ 57. Kxa3 Qc3+ 58. Ka2 Qc2+ 59. Ka1 Qc1+ 60. Ka2 Qxc4+ 61. Kb2 Rb7+ 62.
Rxb7+ Kxb7 63. Qe7+ Kc8 64. Qe8+ Kc7 65. Qe5+ Kb7 66. Qe7+ Kc6 67. Qe6+ Kc7 68.
Qe7+ Kc6 69. Qe6+ Kb7 70. Qd7+ Kb6 71. Qd6+ Kb5 72. Qd7+ Kb6 73. Qd6+ Kb5 74.
Qd7+ Kb6) 56... Qc1+ $2 (56... Qa1+ $1 {mates} 57. Kb3 dxc4+ 58. Kc2 Qd1+ 59.
Kb2 c3+ {[%mdl 64] Decoy} 60. Kxc3 Qd2+ 61. Kb3 c4+ 62. Ka4 Qa2+ 63. Kb5 Qb3+
64. Kc6 Qb7+ 65. Kc5 Rxe7 66. Qxe7 Qxe7+ 67. Kd4 Qe2 68. Kc5 c3 69. Kd5 c2 70.
Kc6 c1=Q+ 71. Kd6 Kb6 72. Kd7 Qc7#) 57. Ka2 $1 $11 Qxc4+ 58. Ka1 $2 {[%mdl
8192]} (58. Kb2 $11 Rxe7 59. Qxe7+ Kb6 60. Qd6+ Kb5 61. Qd7+ Kb6 62. Qd6+ Kb7
63. Qd7+ Kb6 64. Qd6+) 58... Qa6+ {Weighted Error Value: White=0.35/Black=0.30}
0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.4"]
[White "Aronian, Levon"]
[Black "Mamedyarov, Shakhriyar"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2778"]
[BlackElo "2761"]
[Annotator "TA"]
[PlyCount "54"]
[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 10,54,25,9,11,14,33,21,26,28,20,18,48,27,96,83,118,100,99,30,41,40,125,
139,160,113,144,121,130,0,15,-29,-41,-36,0,12,0,-118,-109,-1870,-1841,-1467,
-731,-716,-696,-29998,-29999]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nf6 5. Nc3
Be7 6. Bg5 h6 {C41: Philidor Defence.} 7. Bh4 O-O 8. h3 Nc6 {The position is
equal.} 9. Qe3 {[#]} Re8 $146 ({Predecessor:} 9... Be6 10. O-O-O Nd7 11. Bxe7
Qxe7 12. g4 a6 13. g5 h5 14. Nh4 g6 15. f4 b5 {1-0 (31) Kouvidis,I (1730)
-Stefanov,E (1959) Hersonissos 2018}) 10. O-O-O {[%cal Ba1d1,Bd1d5,Bd5f5][%mdl
32]} Be6 11. g4 a6 (11... d5 $11) 12. Rg1 $16 b5 13. g5 Nh7 14. Nd5 (14. Kb1
$16) 14... Bxd5 15. Rxd5 Nb4 (15... Rb8 $14) 16. gxh6 Bxh4 (16... Nxd5 $2 17.
Rxg7+ Kh8 18. Qd4) 17. Rxg7+ Kh8 18. Rf5 Bf6 {[#]} 19. Rxf7 ({Only move:} 19.
Qb3 $1 $16 Qe7 {[#]} 20. Rxh7+ $1 (20. Qxb4 Bxg7 21. hxg7+ Kg8 $14) (20. Rxf7
Qe6 $11) 20... Kxh7 21. Qxb4) 19... Rf8 20. Rxf8+ Qxf8 21. e5 dxe5 22. Nxe5 {
Ng6+ is the strong threat.} Qg8 23. Qf3 (23. Qe4 $11 {keeps the balance.} Re8
24. f4) 23... Re8 $40 {[%mdl 128] Black goes for the king.} ({Much worse is} 
23... Nxa2+ $6 24. Kb1 $11) 24. Ng4 {[%mdl 8192]} (24. Rxf6 $17 Rxe5 25. Rf7)
24... Qxa2 $19 25. Kd2 Qa1 26. Ne3 Bxb2 {( -> ...Bc3+)} 27. Bd3 Bc3+ {Never
resign too early!  Weighted Error Value: White=0.75/Black=0.40} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.5"]
[White "Dubov, Daniil"]
[Black "Grandelius, Nils"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2770"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "79"]
[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 13,79,2,6,-8,-4,-10,0,-1,4,-20,35,31,43,33,39,21,44,3,37,3,10,0,0,0,12,
0,32,30,34,15,14,0,29,17,23,12,61,60,66,59,59,78,108,91,177,175,175,150,172,
187,554,294,291,292,349,349,342,335,452,402,459,451,462,456,455,460,439,432]} 
1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e5 6. d3 Nge7 7. O-O O-O 8. Nd2
{A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} d6 9. a3 {[%cal Ba2a3,
Ba3b4][%mdl 32]} a6 {[#]} 10. Nd5 $146 {The position is equal.} ({Predecessor:
} 10. Rb1 Rb8 11. b4 cxb4 12. axb4 b5 13. Ba3 Be6 14. Nd5 f5 15. e3 g5 16. f4
gxf4 17. gxf4 {0-1 (29) Sigurjonsson,S (1948)-Vanheirzeele,D (2116) Reykjavik
2014}) 10... Rb8 11. Ne4 h6 ({Better is} 11... f5 $11 12. Nec3 Nxd5 13. Nxd5 (
13. Bxd5+ Kh8 $11) 13... b5) 12. b4 $14 cxb4 13. Nxe7+ Nxe7 14. axb4 d5 15.
cxd5 Nxd5 16. Qb3 Nc7 17. Qb1 Nb5 18. Bb2 Be6 19. Rc1 Bd5 20. Rc5 {[#] Black
must now prevent Rxd5!} Kh8 21. Qf1 Re8 22. Rac1 Bc6 23. Nd2 Bxg2 24. Qxg2 Nd4
25. Bxd4 exd4 26. Qf3 Re7 27. h4 Qe8 28. h5 g5 ({Don't blunder} 28... Rxe2 $2
29. Ne4 $18) (28... Qd7 $16 {was necessary.}) 29. Ne4 $18 Qd7 30. Kg2 Rf8 31.
g4 Qa4 $2 (31... b6 {is a better chance.}) 32. Rc8 {Threatens to win with Nf6.}
Qd7 33. Qf5 Qe6 {[#]} 34. Nf6 {[%csl Gf6][%cal Rf5h7][%mdl 512]} Qxf5 35. gxf5
Rxe2 36. Nd7 Rxc8 37. Rxc8+ {White is clearly winning.} Kh7 38. f6 Rb2 39. fxg7
Kxg7 40. Rc4 {Weighted Error Value: White=0.14/Black=0.29} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.6"]
[White "Nakamura, Hikaru"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2829"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "73"]
[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 29,73,40,45,51,42,19,28,36,36,29,29,32,31,8,11,5,29,35,25,16,19,19,19,
19,19,17,17,17,17,24,26,18,17,0,0,-8,0,0,0,0,0,0,0,0,0,0]} 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. c3 Be7 10.
Nbd2 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. Qe2 Rad8 18. Qf2 {White has an edge.}
Qc6 19. Bxg5 Bxg5 20. f4 Be7 21. Rfd1 c4 {...Bc5 is the strong threat.} 22. Kh1
Bc5 23. Qf3 Qe6 24. Rd2 Rd7 25. Rad1 {[%cal Rd2d5]} Rfd8 26. h3 g6 27. g4 fxg4
28. hxg4 d4 29. cxd4 Rxd4 30. Rxd4 Rxd4 {[#] The position is equal.} 31. Qa8+
$146 ({Predecessor:} 31. Rxd4 Bxd4 32. b3 Kg7 {1/2-1/2 (30) Gao,R (2543)-Wei,Y
(2727) Xinghua 2017}) 31... Kg7 32. Rxd4 Bxd4 33. Qb7+ Kh8 34. Qa8+ Kg7 35.
Qb7+ Kh8 36. Qb8+ Kg7 $1 37. Qb7+ {Weighted Error Value: White=0.04/Black=0.02}
1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.7"]
[White "Van Foreest, Jorden"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2543"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "100"]
[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 14,100,6,6,22,3,31,30,25,17,4,18,17,-2,6,0,-2,-15,-8,0,0,-22,0,-15,-12,
-12,-12,-8,-12,-15,-7,-72,-70,-64,-70,-66,-67,-70,-66,-64,-64,-67,-67,-62,-48,
-63,-38,-64,-31,-36,-31,-33,-34,-105,-99,-87,-68,-70,-100,-85,-64,-125,-119,
-126,-119,-119,-120,-497,-497,-477,-494,-490,-490,-450,-431,-366,-319,-497,
-496,-667,-319,-656,-640,-754,-747,-29968,-29969,-2126,-1815]} 1. e4 c5 2. Nf3
g6 3. Bc4 Bg7 4. c3 d6 5. d4 cxd4 6. cxd4 Nf6 7. Nc3 O-O 8. Bb3 Nc6 {B22:
Sicilian: 2 c3.} 9. h3 b5 10. O-O b4 {White has an edge.} 11. Nd5 Nxd5 12. Bxd5
Bb7 {[#]} 13. Be3 $146 ({Predecessor:} 13. Re1 e6 14. Bb3 Na5 15. Bc2 Nc4 16.
Bd3 d5 17. e5 Qb6 18. b3 Na3 19. Bg5 {1/2-1/2 (30) Glek,I (2430)-Citra,D (2227)
Pardubice 2017}) 13... Rc8 14. Qa4 e6 15. Bb3 Na5 16. Nd2 d5 17. Rfc1 Nxb3 18.
axb3 Rxc1+ 19. Rxc1 dxe4 20. Qxa7 Bd5 21. Rc7 Qa8 22. Nc4 (22. Qc5 $11) 22...
Qxa7 $17 23. Rxa7 f5 24. Ne5 f4 25. Bd2 Bxe5 26. dxe5 $15 {[%mdl 4096] Endgame
KRB-KRB} g5 27. Bxb4 Rc8 {[%cal Rc8c1] And now ...Rc1+ would win.} 28. Bc3 $1
Bxb3 29. Ra3 Bc4 30. Ba5 Bd5 {Hoping for ...Rc1+.} 31. Rc3 {[%cal Rc3c8]} Rb8
32. b4 Kf7 33. Rc7+ (33. h4 $15) 33... Kg6 $17 34. Rd7 e3 35. fxe3 fxe3 36. Rd8
Rb7 (36... Rb5 {seems wilder.} 37. g4 Bc4 38. Rd4 e2 39. Kf2 Rxe5 40. Ke1 Ba6)
37. Rf8 (37. g4 $1 $15) 37... Bc4 38. Rf6+ Kg7 {aiming for ...Rd7.} 39. Rf3 e2
40. Kf2 {[%mdl 8192] [#] Now White is beyond hope.} (40. b5 $17) 40... Bb5 $1
$19 41. Re3 Rf7+ 42. Rf3 Rd7 43. Re3 Rd2 44. Bb6 Rb2 45. Bd4 {[#]} (45. Bc5 {
is a better defense.}) 45... Rb1 $1 46. Bc3 {intending Be1.} Rf1+ 47. Kg3 h5
48. h4 g4 49. Re4 Rc1 50. Bd2 Rd1 {Weighted Error Value: White=0.48/Black=0.04}
0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "1.8"]
[White "Vachier-Lagrave, Maxime"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2860"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "120"]
[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 10,120,3,-24,8,0,0,0,0,3,0,-3,23,30,20,6,37,0,0,0,0,0,0,0,0,0,7,0,0,0,
16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-39,0,0,0,0,0,0,0,-46,0,0,0,-52,-15,-33,-14,-27,
-15,-12,-16,-22,-19,-38,-4,-4,0,0,13,13,13,13,13,13,14,54,75,14,14,14,14,14,20,
20,21,21,21,21,50,0,195,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3
Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 a5 {A07: Réti Opening: New York and
Capablanca Systems.} 7. a4 b6 8. b3 Bb7 9. Bb2 Nbd7 10. Re1 {[#]} Qc8 $146 ({
Predecessor:} 10... Re8 11. e4 dxe4 12. dxe4 Nc5 13. e5 Nfe4 14. Nxe4 Qxd1 15.
Raxd1 Bxe4 16. Nd4 Bxg2 17. Kxg2 {1/2-1/2 (47) Nakamura,H (2699)-Kononenko,D 
(2574) ICC INT 2009}) 11. e4 dxe4 12. dxe4 Nc5 {[%cal Rc5e4]} 13. e5 Nd5 14.
Qe2 Nb4 15. Nc4 Be4 16. Nd4 Bxg2 17. Kxg2 Rd8 18. Nb5 Qb7+ 19. f3 h5 20. h4 Rd7
21. Rad1 Rad8 22. Bc1 Nd5 23. Bg5 Bxg5 24. hxg5 g6 25. Rd2 Kg7 26. Rh1 Qa8 27.
Kg1 Rh8 28. Rh2 Qd8 29. f4 h4 30. gxh4 Nxf4 31. Qg4 (31. Qf3 $5 {[%cal Rf3f4]}
Nd5 32. Rd4 $11) 31... Rxd2 32. Rxd2 Nd5 33. Nd4 (33. Nc3 $11) 33... Qa8 34.
Ne2 Ne7 {White must now prevent ...Nf5.} 35. Ng3 Nf5 36. h5 Rd8 37. h6+ Kh7 38.
Qf4 Rxd2 39. Nxd2 Qd5 40. Kf2 Qd4+ (40... c6 {is more complex.} 41. Nge4 Nd7
42. Nc4 Qd4+ 43. Ke2 Ng3+) 41. Qxd4 Nxd4 42. Nge4 Nxe4+ $1 ({Wrong is} 42...
Nxc2 $2 43. Nxc5 bxc5 44. Nc4 $18) 43. Nxe4 Nxc2 $11 {[%mdl 4096] Endgame KN-KN
} 44. Nd2 Nb4 {[#] aiming for ...Nd3+.} 45. Ke3 ({Better is} 45. Kf3 $1 $16)
45... Kh8 $1 46. Kd4 Nc6+ 47. Ke4 Kh7 48. Nf3 Nb8 $1 49. Ne1 Nd7 {...Nc5+ is
the strong threat.} 50. Nd3 Kg8 51. Kd4 c6 $2 {[#]} (51... Nb8 $11 {and Black
is okay.}) 52. Kc4 $2 ({White has to play} 52. Nb2 $1 $18) 52... Kh7 {The
position is equal.} 53. b4 axb4 54. Kxb4 Kg8 55. Kc4 Kh8 56. Kd4 Kg8 57. Nc1
Kh7 58. Nd3 Kg8 59. Nc1 Kh7 60. Nd3 Kg8 {Weighted Error Value: White=0.13/
Black=0.13} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.1"]
[White "Giri, Anish"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2731"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "132"]
[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 16,132,39,36,39,29,23,22,25,17,42,22,23,27,25,34,54,41,45,44,102,74,120,
124,116,126,88,83,77,72,213,212,210,137,139,100,189,200,180,157,162,160,152,
167,160,165,171,191,187,193,193,175,205,209,236,266,274,263,253,227,252,230,
267,273,278,271,256,225,222,231,273,259,250,220,218,214,168,131,133,147,182,0,
0,0,0,-84,-99,-172,-169,-142,-150,-126,-116,-117,-8,-8,0,0,0,0,0,0,0,-8,-1,-8,
-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0]} 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 $1 {8...Bd7 is better than 8...h6.}
9. Kb1 (9. f3 Be7 10. Kb1 Nxd4 11. Qxd4 Qc7 12. g4 h5 13. gxh5 Nxh5 14. Rg1 Rc8
15. Qd2 b5 16. Bd3 Bxg5 17. Rxg5 b4 18. Ne2 {0-1 (55) Giri,A (2764)-Firouzja,A
(2749) chess24.com INT 2020}) 9... Nxd4 {B67: Sicilian: Richter-Rauzer: 7...a6
8 0-0-0 Bd7, lines without 9 f4 Be7.} 10. Qxd4 h6 {[#]} 11. Bd2 $146 ({
Predecessor:} 11. Bc1 Bc6 12. f3 Qc7 13. Be2 O-O-O 14. Qf2 d5 15. Be3 Rd7 16.
Bb6 Qb8 17. exd5 Nxd5 18. Nxd5 Rxd5 19. Rxd5 exd5 {1-0 (32) Inarkiev,E (2702)
-Gelfand,B (2729) Nazran 2017}) 11... b5 12. f3 Qb8 13. h4 b4 {White must now
prevent ...e5.} 14. Ne2 a5 15. g4 e5 16. Qg1 $36 {[%mdl 2048] White is more
active.} Be6 17. g5 Nh5 (17... hxg5 $14 18. hxg5 Rxh1 19. Qxh1 Nd7) 18. Bh3 Qc8
19. Bxe6 Qxe6 20. f4 Rc8 21. b3 g6 22. Qb6 Bg7 (22... Nxf4 $16 23. Nxf4 exf4)
23. gxh6 Bxh6 {[%cal Re5f4]} 24. fxe5 (24. Qxa5 $6 exf4 25. Nd4 (25. Qxb4 O-O
$14) 25... Qe5 $16) 24... Bg7 25. Qb5+ ({Don't play} 25. Qxd6 $6 Qxe5 26. Qxe5+
Bxe5 $14) 25... Kf8 (25... Qd7 $16 {was necessary.} 26. Qxd7+ (26. Qxa5 Bxe5
27. Qxb4 O-O $16) 26... Kxd7) 26. Qxa5 $18 Bxe5 27. Bxb4 Kg7 28. Qd5 Qg4 29.
Qd3 Nf6 30. Nc3 Rxh4 31. Rxh4 Qxh4 32. a4 $1 Qg4 {...Bxc3 is the strong threat.
} 33. Re1 {[%cal Bd1e1,Be1e2,Be2f2][%mdl 32]} Qh4 34. Nb5 $1 Bg3 35. Re2 Qh1+
36. Ka2 Be5 {[%csl Ge5][%cal Rh1a1]} 37. c3 Ne8 38. Rf2 Qh4 39. Qf3 Qe7 40. Rd2
Rc6 41. Nd4 Ra6 42. Rg2 {aiming for Nf5+.} Qb7 {Hoping for ...Bxd4.} 43. Qd3
Kg8 44. Re2 Nf6 45. Nf3 Bf4 46. e5 dxe5 47. Nxe5 Nd5 {[#] intending ...Re6.}
48. Ng4 $2 (48. Bc5 $1 $18) 48... Qxb4 $1 $11 49. Qxd5 Qxc3 50. Rf2 (50. Nf2
$11) 50... g5 51. Qf5 {[#]} (51. Qg2 $17 {keeps fighting.} Kg7 52. Rc2) 51...
Rb6 $1 $19 52. Qc2 Qxc2+ 53. Rxc2 $17 {[%mdl 4096] Endgame KRB-KRN} f5 54. Nf2
g4 (54... Kf7 $17 55. Nd3 Bd6) 55. Rc4 $11 {The position is equal.} Be3 (55...
Bd6 {feels hotter.} 56. Nxg4 fxg4 57. Rxg4+ Kf7 58. Rg5 Rb4) 56. Nxg4 fxg4 57.
Rxg4+ {KRB-KR} Kf7 58. b4 Ke7 59. Re4+ (59. a5 {keeps more tension.} Re6 60.
Kb3 Kd6 61. Rc4 Kd5 62. Rc7) 59... Re6 60. Rxe6+ Kxe6 {KB-KPP} 61. a5 Kd6 62.
Kb3 Kc6 63. Kc4 Bf2 64. b5+ Kb7 65. b6 Bxb6 66. axb6 Kxb6 {Weighted Error
Value: White=0.14/Black=0.15} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.2"]
[White "Carlsen, Magnus"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2881"]
[BlackElo "2860"]
[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 11,67,4,8,-1,17,-2,-10,-8,0,8,29,29,32,25,25,16,11,11,12,16,29,0,0,-15,
-18,-27,-14,-31,-31,-33,-33,-45,0,0,0,0,0,0,0,0,2,0,11,11,14,7,14,10,64,75,154,
184,358,292,353,287,340,330]} 1. c3 b6 2. e4 Bb7 3. d3 e6 4. Nd2 d5 5. Ngf3 Nf6
6. e5 Nfd7 7. d4 {C00: French: Unusual White 2nd moves.} c5 {[#]} 8. h4 $146 ({
Predecessor:} 8. Bd3 Nc6 9. O-O Be7 10. Re1 h5 11. dxc5 bxc5 12. c4 d4 13. Ne4
Ncxe5 14. Nxe5 Nxe5 15. Nxc5 Bxc5 16. Rxe5 {1-0 (43) Kobalia,M (2614)-Papp,L 
(2361) chess.com INT 2020}) 8... Nc6 9. Bd3 {The position is equal.} cxd4 10.
cxd4 Nb4 11. Be2 Qc8 12. O-O Ba6 13. Bxa6 Qxa6 14. Ne1 Rc8 ({Much weaker is} 
14... Nxa2 $6 15. Ndf3 $16) 15. h5 Be7 16. a3 Nc6 17. Qg4 g5 18. Ndf3 h6 19.
Be3 Qe2 20. b4 Nd8 21. Qh3 f5 22. exf6 $1 Nxf6 {[#] aiming for ...g4.} 23. Ne5
Qxh5 24. Qxh5+ Nxh5 25. N1d3 Bd6 26. Rfc1 Rxc1+ 27. Rxc1 Rh7 $1 28. Rc8 Rc7 29.
Ra8 Nf6 ({Black should play} 29... Ke7 $11) 30. b5 $1 $14 Ke7 {[#]} ({Black
should try} 30... Ne4) 31. Ng6+ $1 $16 Kd7 $2 (31... Ke8 {might work better.})
32. Nde5+ $18 Bxe5 33. Nxe5+ Ke7 34. Bd2 {Weighted Error Value: White=0.04/
Black=0.20} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.3"]
[White "Anton Guijarro, David"]
[Black "Van Foreest, Jorden"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2674"]
[BlackElo "2543"]
[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 12,58,54,47,50,59,67,44,38,45,48,44,51,51,58,24,58,45,54,33,30,23,58,50,
125,71,65,11,15,1,1,2,4,2,5,0,0,0,0,-15,-12,-31,-27,-50,-1,-9,0,-1090,-1066]} 
1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nf6 {
D32: Tarrasch Defence: Sidelines and lines without g3.} 8. Qd1 Bc5 {has lost
popularity (8...Nc6).} 9. e3 (9. a3 {feels hotter.} O-O 10. Nf3 Re8 11. b4 Bb6
12. e3) 9... O-O {White is slightly better.} 10. Nf3 Qe7 11. Be2 Rd8 12. Qc2
Nc6 13. a3 Rac8 14. O-O Bd6 {[#]} 15. Bd2 $146 ({Predecessor:} 15. h3 b5 16. e4
a5 17. Bxb5 Ne5 18. Nd4 Bxb5 19. Ndxb5 Bb8 20. Bg5 Nd3 21. Qe2 {0-1 (50) Utkin,
A (2187)-Vlassow,V (2379) Peterhof 2008}) 15... Ne5 16. Rad1 Bc7 17. Bc1 h5 {
[#]} (17... Nxf3+ $14 18. Bxf3 b6) 18. Nd4 ({White should play} 18. Ng5 $1 {
Hoping for Nd5.} Ng6 19. e4) 18... Nc6 $16 19. h3 ({White should try} 19. Rfe1
$14) 19... Nxd4 $11 20. Rxd4 Qe5 {[%csl Gc7][%cal Re5h2]} 21. f4 Qe7 22. Bf3
Bb6 23. Rb4 ({Much weaker is} 23. Bxb7 Bxd4 24. exd4 {[#]} Ba4 $1 $15) 23...
Bc6 24. Bxc6 Rxc6 25. Kh1 Ba5 26. Ra4 Bxc3 27. bxc3 b5 28. Rb4 Qc5 29. a4 $2 {
[%mdl 8192] [#]} (29. Qe2 $11) 29... Qxb4 $1 {[%mdl 576] Pin.  Weighted Error
Value: White=0.47/Black=0.10} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.4"]
[White "Grandelius, Nils"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2632"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "116"]
[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 16,116,22,15,16,13,24,20,25,23,33,30,36,31,39,30,50,50,62,59,49,47,49,
44,56,61,50,39,39,34,47,46,59,50,52,0,0,0,0,0,13,12,11,0,0,0,0,0,0,0,0,-27,-20,
-17,-9,-40,-50,-50,-10,-18,-16,-59,-32,-66,-17,-73,-70,-166,-166,-201,-201,
-243,-189,-187,-158,-303,-295,-305,-232,-303,-295,-563,-301,-297,-297,-296,
-243,-293,-293,-281,-233,-231,-230,-271,-271,-1211,-1185,-4767,-4559,-1541,
-997,-1322,-748]} 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 Ne8 {C67: Ruy Lopez: Berlin Defence: 4 0-0
Nxe4.} 10. d5 Bc5 11. Re1 {[#]} h6 $1 $146 {[%mdl 8] The position is equal. A
top novelty.} ({Predecessor:} 11... d6 12. Nc3 f5 13. Na4 Bxf2+ 14. Kxf2 Qh4+
15. Kg1 Qxa4 16. Re7 Qh4 17. Qe2 Nf6 18. Rxc7 Nxd5 {1/2-1/2 (45) Nakamura,H 
(2746)-Aronian,L (2765) St Petersburg 2018}) 12. Nc3 Nf6 13. h3 Re8 14. Rxe8+
Nxe8 15. Ne4 Bf8 16. Qf3 d6 17. Bd2 g6 18. Re1 Bg7 19. c4 Bf5 20. b3 a5 21. Ng3
Bd7 22. Bd3 b6 23. Qd1 Nf6 24. Qc1 Qf8 25. Ne4 (25. Re3 $14) 25... Nxe4 $11 26.
Bxe4 Re8 27. Bd3 h5 28. Rxe8 Qxe8 29. Qe1 Qd8 30. Be3 Qf6 31. Qc1 Qe7 32. Bg5
Bf6 33. Bf4 Bd4 34. Qd2 Qf6 35. Kf1 Bc5 36. Kg1 Bf5 37. Bxf5 Qxf5 38. h4 a4 39.
bxa4 Qe4 40. Qc1 (40. Bg5 $1 $11) 40... Qe2 $36 {[%mdl 2112] [#] Double Attack.
Black has some pressure. White is now going downhill.} 41. Bg3 ({White should
play} 41. Be3 $15) 41... Qxa2 $19 42. Qc3 Qxa4 43. Kh2 b5 44. cxb5 Qxb5 45. Qf3
(45. Bf4 $17 {was called for.} Qa4 46. Qd2) 45... Qb2 46. Kh3 Qd4 47. Kh2 Kg7
48. Qb3 $2 (48. Kg1 {is a better defense.}) 48... Qd2 49. Qf3 Bb6 50. Kh3 Bd4
51. Kh2 Qe1 52. Qf4 Be5 53. Qf3 Qd2 54. Bxe5+ dxe5 55. g3 $2 {[#]} (55. Kg3)
55... e4 $1 {[%cal Re4f3][%mdl 64] Deflection. Black is clearly winning.} 56.
Qxe4 Qxf2+ 57. Kh1 Qxg3 58. Qd4+ Kg8 {Weighted Error Value: White=0.48/Black=0.
15} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.5"]
[White "Mamedyarov, Shakhriyar"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2761"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "137"]
[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 27,136,0,0,0,15,0,0,0,0,0,0,-16,4,0,9,10,49,48,50,22,24,20,21,20,38,22,
27,35,67,67,66,59,60,59,59,60,69,60,75,69,80,74,81,72,110,134,162,158,176,177,
177,175,178,150,152,152,152,152,152,152,152,152,152,146,142,136,140,0,130,0,
131,126,122,120,141,141,237,232,244,244,313,311,310,309,361,356,325,318,277,
288,411,363,363,363,356,350,348,348,250,254,239,234,232,224,189,8,8,8,8,0,0]} 
1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8.
Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qa3 Qe6 14. Rd1
O-O 15. Be2 {Rd6 is the strong threat. B22: Sicilian: 2 c3.} Nf5 16. O-O Bc6
17. Bg4 Qg6 18. Bxf5 Qxf5 19. Qc5 {[#]} Rfd8 $146 {[#]} ({Predecessor:} 19...
Rfe8 20. Qd4 Re6 21. Rfe1 h5 22. Qe3 a6 23. Rd2 Rae8 24. Red1 Rg6 25. Rd6 Qg4 {
1-0 (64) Kainrath,F (2140)-Detter,P (2100) Austria 2011}) 20. Qxa7 $1 h5 (20...
h6 21. Qe3) 21. Qe3 Rd3 22. Rxd3 exd3 23. f3 Rxa2 24. Rd1 Bb5 25. e6 fxe6 26.
Qd4 {[%csl Gc3][%cal Rd4g7]} Qg6 27. Re1 {Strongly threatening Rxe6!} Ra4 28.
Qd8+ Kh7 29. Re5 $40 {[%mdl 128] White is up to no good.} Ra1+ 30. Kf2 $1 d2 $1
31. Qxd2 Rf1+ 32. Ke3 Qh6+ {[#]} 33. Kd4 $1 Qxd2+ ({Don't go for} 33... Qf6 $2
34. Kc5 $18) 34. Bxd2 $14 {[%mdl 4096] Endgame KRB-KRB} Be8 35. Rxe6 Bf7 36.
Re7 Kg6 37. Ke3 Rh1 38. h3 b5 39. Rb7 Rg1 40. g4 ({Don't take} 40. Rxb5 $6 Rxg2
41. Bc3 Rh2 $16) 40... Rg3 41. gxh5+ Kf6 42. Bc3+ Ke6 43. Kf4 Rxh3 44. Kg4 ({
Reject} 44. Bxg7 $6 Bxh5 45. Rxb5 Bxf3 $11) 44... Rh1 45. Rxb5 Rg1+ 46. Kf4 Rh1
47. Kg4 Rg1+ $1 48. Kf4 Rh1 49. Bxg7 {Black must now prevent h6.} Bxh5 50. Bc3
Kd6 51. Kg3 Bf7 {[#]} (51... Be8 $16 52. Ra5 Rh5 53. Ra6+ Kc5) 52. f4 $1 $18
Be8 53. Ra5 Bd7 54. f5 Rf1 55. Kg4 Ke7 56. Bd4 Kf7 57. Kg5 Rd1 58. Rd5 Bc8 (
58... Ba4 {was worth a try.} 59. Rd6 Ke8 60. Re6+ Kd7) 59. Rd8 Ba6 60. Rd7+ Ke8
61. Rd6 Bc4 {intending ...Ke7.} 62. Kf6 Bb3 {[#]} 63. Rb6 $1 Bc2 64. Re6+ Kd7
65. Re7+ Kc6 66. Be5 $2 (66. Be3 $18) 66... Rf1 $1 $11 {The position is equal.}
67. Rc7+ Kd5 68. Rxc2 Rxf5+ $1 69. Kxf5 {Weighted Error Value: White=0.08/
Black=0.13} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.6"]
[White "Nepomniachtchi, Ian"]
[Black "Aronian, Levon"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "2778"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "80"]
[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 13,80,-26,0,0,1,18,37,31,16,9,16,14,53,60,43,33,62,43,111,0,42,12,5,8,
64,23,20,-37,-42,-146,-133,-152,-135,-230,-220,-234,-241,-222,-227,-224,-235,
-306,-297,-362,-361,-389,-376,-530,-389,-389,-382,-474,-262,-257,-202,-264,
-250,-372,-260,-29981,-29982,-29982,-29983,-29979,-29980,-29987,-29988,-29988,
-29989]} 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. d4 d5 6. exd5 cxd5 7. Bb3
Bd6 (7... Bb4 {is more complex.} 8. Bxf4 O-O 9. Nf3 a5 10. a4 Ne4) 8. Nge2 $1 {
8.Nge2 scores better than 8.Nf3. C33: King's Gambit Accepted: 3 Nc3 and 3 Bc4.}
Bg4 9. Qd3 O-O 10. O-O {White is slightly better.} f3 11. gxf3 Bh3 {And now ...
Bxh2+! would win.} 12. Rf2 {[#]} Nbd7 $146 ({Predecessor:} 12... Nc6 13. Bg5 h6
14. Bh4 g5 15. f4 Qd7 16. fxg5 Qg4+ 17. Bg3 Bxg3 18. Qxg3 Qxg3+ 19. Nxg3 {
0-1 (39) Ivanenko,O (2221)-Soysal,S (2316) Lvov 2015}) 13. Bg5 Qb6 14. f4 Bg4
15. Rg2 {Hoping for Qg3.} Rfe8 (15... Rae8 $14) 16. Rf1 (16. Nxd5 $16 Nxd5 17.
Rxg4) 16... Bf8 17. h3 Bxe2 18. Nxe2 a5 (18... Re4 $1 $11) 19. a4 Re4 {[#]} 20.
Kh1 (20. Bxd5 $1 $11 Rxe2 21. Bxf7+ $1 Kxf7 22. Rxe2) 20... Rae8 $15 {White
must now prevent ...Re3.} 21. Ng3 {Black converts the advantage convincingly.}
({White should play} 21. f5 $15) 21... Rxd4 $17 22. Qf3 Rb4 23. Nf5 {[#]} (23.
Bxf6 $17 Nxf6 24. Nh5) 23... g6 $1 $19 24. Bxd5 Nxd5 ({Much less strong is} 
24... Rxb2 25. Bb3 $17) ({But not} 24... Rxa4 25. c3 $17) 25. Qxd5 {[#]} Nf6 {
[%cal Rf6d5]} 26. Bxf6 Qxf6 27. b3 Kh8 28. Ng3 Rxf4 29. Rxf4 Qxf4 30. Qxa5 (30.
Re2 $142 Qc1+ 31. Kh2 Rxe2+ 32. Nxe2 Qxc2 33. Qc4) 30... Bd6 {...Qf3! is the
strong threat.} 31. Qc3+ f6 32. Kg1 Bb4 (32... Bc7 $142 33. b4 Re3) 33. Ne2 Qh4
({Less strong is} 33... Bxc3 34. Nxf4 Re4 35. Nd5 $11) 34. Qg3 Bc5+ 35. Kf1 (
35. Kh2 $142 Qe4 36. Qd3) 35... Qe4 36. Qf4 $2 (36. Qd3 $19 Qe5 37. c3) 36...
Qxc2 {[%cal Rc2d1] Black mates.} 37. Qc1 Qf5+ {[%mdl 64] Double Attack} 38. Qf4
Qd3 {[%cal Rd3d1]} 39. Qg3 Qb1+ 40. Qe1 Qf5+ {[%mdl 64] Double Attack. 
Weighted Error Value: White=0.49/Black=0.24} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.7"]
[White "Karjakin, Sergey"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2709"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "108"]
[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 12,108,16,0,9,12,15,15,17,-13,-15,-14,0,0,0,0,-3,0,0,0,0,-14,-2,-42,54,
0,14,-59,-43,-182,-175,-188,-157,-185,-154,-147,-152,-143,-154,-141,-144,-152,
-146,-168,-147,-154,-138,-135,-139,-141,-141,-116,-125,-173,-175,-173,-175,
-185,-185,-191,-191,-199,-191,-263,-256,-258,-192,-236,-229,-306,-291,-251,
-251,-251,-247,-372,-354,-436,-446,-434,-445,-460,-445,-445,-407,-559,-548,
-525,-504,-559,-559,-574,-457,-557,0,-564,-564,-973,-922]} 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. Nbd2 {Recently 7.Re1 got a lot of
attention.} a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8.
Re1 Be6 9. Bb5 Qb8 {The position is equal.} 10. Bxc6 bxc6 11. Nf1 {[#]} h6 $146
({Predecessor:} 11... a4 12. h3 Re8 13. Ng3 Qb5 14. Nh4 Nd7 15. Nhf5 d5 16. h4
Bf8 17. h5 Nc5 18. exd5 cxd5 19. Rxe5 Qxd3 {0-1 (34) Radjabov,T (2765)-Anton
Guijarro,D (2703) chess24.com INT 2020}) 12. Ng3 Re8 13. h3 a4 14. Nh4 Kh7 15.
Nhf5 Ng8 16. Qd2 Qd8 17. Kh2 h5 ({Black should play} 17... Bb6 $15) 18. d4 Bb6
19. Nxh5 ({Better is} 19. Qe2 $11 g6 20. dxe5) 19... g6 $15 20. Nh6 (20. Nhg3
$15) 20... gxh5 $19 21. Nxg8 Kxg8 22. Qh6 Bd7 (22... exd4 $2 23. Bg5 $18) 23.
Bg5 {[#]} Re6 $1 {[%mdl 512]} 24. Qxh5 Qf8 {...Qg7 is the strong threat.} 25.
dxe5 dxe5 26. Rad1 {[#]} Be8 ({Avoid the trap} 26... Bxf2 $2 27. Rf1 $18) 27.
Qh4 Rg6 {And now ...Qg7 would win.} 28. Be3 Bxe3 29. Rxe3 Qh6 30. Qe7 Qg5 31.
Qxg5 Rxg5 32. g4 Rb8 33. Rd2 Rg6 34. Red3 Rd6 35. Rxd6 cxd6 {[%mdl 4096]
Endgame KRB-KR} 36. Kg3 Kf8 37. g5 (37. a3 {might work better.}) 37... Ke7 38.
h4 Bd7 39. f4 Be6 40. a3 exf4+ 41. Kxf4 Rh8 42. Kg3 c5 43. Rd1 (43. Rh2 {
keeps fighting.}) 43... Bc4 44. Rh1 Be2 45. Kf4 Ke6 46. Rh2 Bh5 47. Rd2 Bg6 48.
Rh2 f6 49. gxf6 Kxf6 50. Rh3 Rh5 51. c4 Ke6 52. Rh2 Kf6 53. Rh3 $1 Bf7 54. Rc3
Rxh4+ {Weighted Error Value: White=0.35/Black=0.21} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "2.8"]
[White "Radjabov, Teimour"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2758"]
[BlackElo "2548"]
[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 13,49,-7,0,0,0,0,0,0,0,-10,-7,-11,-8,-17,0,0,0,-18,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 dxc4 5. Qa4+ c6 6.
Qxc4 b5 7. Qb3 a6 $1 {[%mdl 4] The position is equal. outshines the older 7...
Nbd7.} 8. e4 {D43: Semi-Slav: 5 Bg5 h6.} c5 9. e5 c4 10. Qc2 Nd5 11. Be2 Bb7
12. O-O Be7 {[#]} 13. a4 $146 ({Predecessor:} 13. a3 h6 14. Bd1 O-O 15. Qe4 Qc7
16. Qg4 Kh8 17. Bc2 Nxc3 18. bxc3 Rd8 19. Qh5 Bf8 20. Ng5 Kg8 21. Nxf7 {
1-0 (21) Bove,A (2369)-Sardo,G (2218) Milan 2011}) 13... Qb6 14. Rd1 h6 15.
Nxd5 Bxd5 16. Be3 Qb7 17. axb5 axb5 18. Rxa8 Qxa8 19. b3 $1 {[%cal Rb3c4]} Qc6
20. bxc4 bxc4 21. Rc1 Ba3 22. Ra1 Be7 23. Rc1 Ba3 24. Ra1 Be7 25. Rc1 {An
uneventful encounter.  Weighted Error Value: White=0.01/Black=0.01} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.1"]
[White "Pichot, Alan"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2548"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "62"]
[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 17,62,27,35,44,38,0,0,0,12,9,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-76,-75,-70,
-101,-183,-153,-298,-298,-316,-308,-519,-500,-1779,-1597,-1600,-1595,-1202,
-1209,-1087,-1056,-6295,-6287]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5.
Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qe2 Qc7 9. O-O-O b5 10. a3 {B96: Sicilian
Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Be7 $1 {[%mdl 4]
is now more promising than 10...Bb7.} 11. Bxf6 Nxf6 12. g4 {The position is
equal.} Nd7 13. g5 Rb8 {[#]} 14. h4 $146 ({Predecessor:} 14. Qd2 Nc5 15. h4 O-O
16. f5 b4 17. axb4 Rxb4 18. f6 Bd8 19. fxg7 Kxg7 20. Rh3 {1-0 (37) Vesely,P 
(2581)-Trembecki,L (2544) ICCF email 2016}) 14... b4 15. axb4 Rxb4 16. f5 Nc5
17. Bh3 Qb6 18. fxe6 fxe6 19. Rhf1 Rxb2 {Strongly threatening ...e5.} 20. Qf3
$1 {e5 is the strong threat.} Rb4 $1 21. Qf7+ (21. e5 $1 $11 Rxd4 22. Rxd4 Nb3+
{[%mdl 64] Discovered Attack} 23. cxb3 Qxd4 24. exd6 Bxd6 25. Kb1) 21... Kd8
$17 {And now ...Rxd4! would win.} 22. Qxg7 Re8 23. Rf7 {[#]} (23. Rf3 $17 {
keeps fighting.}) 23... Bd7 $1 $19 24. Rxe7 ({But not} 24. Qxh7 $2 Qa5) (24.
Bg2 $17) 24... Rxe7 25. Qf6 {[#]} Qa5 $1 {[%cal Ra5a1]} 26. Qf8+ $2 (26. Bg2)
26... Kc7 {Black is clearly winning.} 27. Qxe7 (27. Nde2 $142 Nxe4 28. Nxe4
Rxe4 29. Qf2) 27... Qa3+ 28. Kd2 Rxd4+ {[%mdl 64] Double Attack} 29. Ke2 Qxc3
30. Rxd4 Qxd4 31. Qxh7 Nxe4 {Weighted Error Value: White=0.93/Black=0.02} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.2"]
[White "So, Wesley"]
[Black "Radjabov, Teimour"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2741"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "101"]
[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 14,101,43,32,41,0,0,0,0,0,0,0,0,0,18,20,20,20,20,20,11,16,14,10,20,0,0,
7,25,23,24,17,17,17,46,46,41,42,43,41,41,40,38,32,42,7,25,9,12,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,8,0,0,0,0,0,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2.
Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d5 (6... d6 7. Re1 h6 8. Nbd2 a6
9. Nf1 Re8 10. Ng3 Ba7 11. Bb3 Be6 12. Bc2 d5 13. exd5 Qxd5 14. h3 Rad8 15. Qe2
Bc5 16. b4 Bf8 17. Bb2 Qd7 18. Qf1 Bd5 19. Re3 b5 20. a3 Re6 21. Rae1 e4 22.
Nxe4 Nxe4 23. c4 Ng5 24. Nxg5 Rxe3 25. fxe3 hxg5 26. cxd5 Qxd5 {1-0 (59) So,W 
(2770)-Radjabov,T (2765) chess24.com INT 2020}) 7. exd5 Nxd5 8. Re1 Nb6 {
C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Bb3 Bg4 10. h3
Bh5 11. Nbd2 Qxd3 12. Nxe5 Qf5 13. Nef3 $1 Rad8 14. Qe2 Nd5 {White should
prevent ...Nf4.} 15. Ne4 Bxf3 16. Qxf3 Qxf3 17. gxf3 Bb6 {[#]} 18. Bg5 $146 ({
Predecessor:} 18. Kf1 Nde7 19. Bg5 h6 20. Bxe7 Nxe7 21. Nf6+ gxf6 22. Rxe7 Rd2
23. Re2 Rfd8 24. Rae1 {1/2-1/2 (31) Vachier Lagrave,M (2774)-Aronian,L (2758)
Khanty-Mansiysk 2019}) 18... Nde7 $1 19. a4 {[#] Hoping for Bxe7.} a5 20. Rad1
Rxd1 21. Rxd1 h6 22. Bxe7 Nxe7 23. f4 Ng6 24. f5 Ne5 25. Kg2 Re8 26. f4 Nc6 27.
Kf3 Rd8 28. Rxd8+ Nxd8 $14 {[%mdl 4096] Endgame KBN-KBN} 29. Nd2 c6 30. Ke4 Kf8
{The position is equal.} 31. Ba2 Ke7 32. b4 Bc7 33. Nb3 axb4 34. cxb4 Bd6 35.
b5 cxb5 36. axb5 b6 37. Nd4 Bc7 38. Bd5 g6 39. h4 Kf6 40. fxg6 fxg6 41. Kf3 g5
(41... Nf7 {feels hotter.} 42. Bc4 Nd6 43. Bd3 h5 44. Be4 Nf7) 42. fxg5+ hxg5
43. hxg5+ Kxg5 44. Ne6+ (44. Bg8 {is more complex.} Kf6 45. Ke4 Ke7 46. Kd5 Bh2
47. Nc6+) 44... Nxe6 45. Bxe6 $11 {KB-KB} Kf6 46. Bc8 Ke5 47. Ba6 Bd8 48. Kg2
Bc7 49. Kf3 Bd8 50. Kg2 Bc7 51. Kf3 {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 "3.3"]
[White "Aronian, Levon"]
[Black "Karjakin, Sergey"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2778"]
[BlackElo "2709"]
[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 9,67,20,17,11,52,46,50,-43,-20,-20,-13,-27,-28,-58,-49,-61,27,31,27,12,
18,11,65,68,43,61,68,70,56,0,95,93,96,91,159,157,175,183,212,211,177,124,254,
282,273,231,218,217,216,216,218,191,358,359,450,435,447,450,463,454]} 1. d4 Nf6
2. Nf3 d5 3. Bf4 Bf5 4. c4 e6 5. Qb3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4,Bc4d2][%mdl
32]} 6. Nbd2 {[#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...
Nf6 3 Bf4.} Na5 $146 ({Predecessor:} 6... Nb4 7. Rc1 a5 8. c5 Ra7 9. e3 Be7 10.
Bb5+ Nd7 11. O-O O-O 12. Rfe1 h6 {1/2-1/2 (61) Demchenko,A (2641)-Esipenko,A 
(2682) Lichess.org INT 2020}) 7. Qa4+ c6 8. cxd5 (8. c5 $1 $14) 8... b5 ({
But not} 8... Qxd5 $2 9. e3 $18) 9. Qd1 exd5 ({Don't play} 9... Nxd5 10. Bg3
$14) 10. g3 Nc4 11. b3 Nxd2 12. Bxd2 Be4 (12... Ba3 $15) 13. Bh3 Ba3 14. O-O
O-O 15. Ne5 Bb2 (15... c5 $11) 16. Nxc6 Qb6 {[#]} 17. Rc1 Bxc1 18. Qxc1 Rfe8
19. Ba5 (19. Bg5 $14) 19... Qb7 (19... Qa6 $11) 20. f3 $16 {[%mdl 1024] White
has strong compensation.} Bg6 21. Ne5 b4 ({Black should try} 21... Nh5) 22. Qd2
Rab8 23. Rc1 h6 24. Nc6 {[%mdl 64] Double Attack} Ra8 {[#]} 25. Bxb4 (25. Kf2
$1 $18) 25... Nd7 {This costs Black the game.} (25... Nh7 $16) 26. Na5 $18 Qa6
27. Bxd7 Rxe2 {[#]} 28. Rc6 $1 Rxd2 29. Rxa6 Rxa2 30. Rd6 Kh7 $2 (30... Rb8)
31. Rxd5 Rb8 32. Rb5 {White is clearly winning.} Ra1+ {[#]} 33. Kf2 $1 Ra2+ 34.
Ke3 {Weighted Error Value: White=0.14/Black=0.31} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.4"]
[White "Dubov, Daniil"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2770"]
[BlackElo "2778"]
[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 22,85,87,83,76,52,97,99,109,97,109,104,236,236,237,232,237,233,260,229,
238,210,218,181,243,270,410,369,357,355,383,200,437,409,459,456,565,425,766,
759,914,912,910,741,737,736,1537,1535,29973,29974,29974,29975,29975,29976,
29976,29974,29970,29972,29967,29963,29991,29992,29992,29978,29992,667]} 1. e4
g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 e5 9.
dxe5 dxe5 10. f5 Nc6 11. Be3 Nd4 {[#]} 12. Qf2 $1 b5 {next ...c5 is good for
Black. B09: Pirc Defence: Austrian Attack.} 13. O-O $5 {[%mdl 4] Leaves
trodden paths.} b4 14. Ne2 c5 {White must now prevent ...c4!White is better.}
15. Ng3 {[#]} Qc7 $146 ({Predecessor:} 15... Qa5 16. a3 Qc7 17. Bc4 Kh8 18. Bg5
Rab8 19. Bxf6 Bxf6 20. c3 bxc3 21. bxc3 Nb5 22. Bxb5 Rxb5 {1/2-1/2 (34) Gonda,
L (2255)-Brkic,A (2208) Oropesa del Mar 2000}) 16. Bc4 Qc6 (16... Rab8 $16) 17.
fxg6 $18 hxg6 {[#]} 18. Bg5 $1 {[%cal Rg5f6]} Nh7 19. Be7 Bh6 20. Rad1 Bf4 21.
Bxf8 Rxf8 22. Ne2 Nxe2+ (22... Bg5 $142 23. h4 (23. Nxd4 cxd4 24. Bd5 Qc7 $16)
(23. Bxf7+ Kg7 $16) 23... Bh6) 23. Qxe2 Ng5 (23... Nf6 {keeps fighting.} 24.
Rxf4 {[%mdl 64] Remove Defender} exf4) 24. Bd5 Qc8 25. h4 Ne6 {If only Black
now had time for ...Nd4....} 26. c3 (26. Qg4 $142) 26... Kg7 $2 (26... Ng7 {
is a better defense.} 27. g3 Bxg3) 27. Qf3 bxc3 28. bxc3 f5 29. Bc4 Rf6 (29...
Nd4 $142 30. cxd4 cxd4) 30. g3 Bh6 31. exf5 gxf5 32. Rd6 e4 33. Qd1 {Threatens
to win with Rd7+.} Be3+ 34. Kh2 Nd4 35. Rxf6 {White mates.} Kxf6 36. cxd4 cxd4
{[#]} 37. Qh5 $1 Qxc4 38. Rxf5+ {KQR-KQB} Ke7 39. Qh7+ Kd6 40. Qg6+ Ke7 41.
Re5+ {[%mdl 64] Discovered Attack} Kd7 42. Qg7+ Kd8 43. Qe7+ {Black got
outplayed after the opening.  Weighted Error Value: White=0.17/Black=0.67} (43.
Qf6+ $142 Kc8 44. Re7 Bg1+ 45. Kh1 Qc7 46. Qf5+ {[%mdl 64] Double Attack} Kb8
47. Qb5+ Kc8 48. Re8+ Qd8 49. Qc6+ {[%mdl 64] Double Attack} Kb8 50. Rxd8#) 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.5"]
[White "Nakamura, Hikaru"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2829"]
[BlackElo "2761"]
[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 9,95,30,62,34,38,38,38,43,41,33,25,29,29,20,29,3,21,26,26,-9,0,0,0,0,0,
0,0,-5,0,-4,0,0,0,-21,0,-27,-26,-46,-47,-69,-23,-93,-93,-86,-86,-86,0,0,0,0,0,
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. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bf4 {C41: Philidor Defence.
} Bg7 7. Qd2 Nc6 8. Nxc6 {White is slightly better.} bxc6 9. Bc4 O-O {[#]} 10.
O-O-O $146 ({Predecessor:} 10. O-O Be6 11. Bb3 Re8 12. Rfe1 Bxb3 13. axb3 Nd7
14. f3 Qb8 15. Be3 Qb7 16. Ra5 {1-0 (41) Zarubitski,V (2426)-Kameko,A (2045)
Minsk 2019}) 10... Be6 11. Bb3 Rb8 12. e5 Nd5 13. Nxd5 cxd5 14. Rhe1 dxe5 15.
Bxe5 Bxe5 16. Rxe5 {[%cal Rb3d5]} c6 17. f4 a5 18. Qe3 Re8 19. h3 Qb6 20. Qxb6
Rxb6 21. c4 {[%cal Rc4d5]} a4 22. Bxa4 {[%cal Rc4d5]} (22. cxd5 $5 {[%cal
Rb3a4]} axb3 23. dxe6 $11) 22... dxc4 23. Rc5 Ra8 24. Rxc6 Rb4 (24... Rbb8 $5 {
[%cal Ra8a4]} 25. b3 cxb3 26. axb3 Bxb3 27. Bxb3 Rxb3 $15) 25. b3 (25. Bc2 $11
{keeps the balance.}) 25... cxb3 $17 26. Bxb3 Bxb3 27. axb3 {[%mdl 4096]
Endgame KRR-KRR} Ra1+ (27... Rxb3 $17 28. Rc5 Rg3) 28. Kc2 $11 {The position
is equal.} Ra2+ 29. Kc3 Rxf4 30. Rc4 Rff2 31. g4 Rf3+ 32. Rd3 Rxd3+ 33. Kxd3 {
KR-KR} Rh2 34. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rxh3+ 35. Kd4 h5
36. gxh5 Rxh5 37. Rc5 {[#] White threatens Rxh5 and mate.} Rh1 38. b5 Kg7 39.
Kd5 f5 40. b6 {Strongly threatening b7.} Rb1 41. Kc6 {[#] aiming for b7.} f4 $1
{[%cal Rf4f3] ...f3 is the strong threat.} 42. b7 {Threatens to win with Rb5.}
f3 {Hoping for ...f2.} 43. Rc3 f2 44. Rf3 Rc1+ 45. Kd6 Rb1 46. Kc6 Rc1+ 47. Kd6
Rb1 48. Kc6 {Weighted Error Value: White=0.07/Black=0.06} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.6"]
[White "Van Foreest, Jorden"]
[Black "Grandelius, Nils"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2543"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "82"]
[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 9,82,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,5,0,0,0,0,4,35,-8,0,0,83,87,100,99,
135,74,79,75,75,76,98,54,90,56,119,121,117,108,102,94,123,-113,-100,-158,-123,
-206,-204,-192,22,-291,-272,-507,-501,-524,-525,-976,-966,-6170,-5325,-29997,
-29986,-29986,-329,-29987,-29988,-29988,-29989,-29989,-29990]} 1. e4 c5 2. Nf3
d6 3. Bc4 Nf6 4. Nc3 e6 5. d4 cxd4 6. Qxd4 {B50: Sicilian: 2...d6,
Miscellaneous.} Nc6 7. Qd3 a6 8. Bf4 {The position is equal.} b5 9. Bb3 {[#]}
Ra7 $146 ({Predecessor:} 9... Bb7 10. O-O-O Qb6 11. Qe2 Na5 12. Rhe1 Be7 13.
Nd5 Nxb3+ 14. axb3 exd5 15. exd5 Ng8 {1/2-1/2 (27) Zhigalko,S (2668)-Feller,S 
(2579) Moscow 2010}) 10. O-O-O Rd7 11. Ng5 e5 12. Be3 h6 13. Nf3 Na5 14. Bd5
Be7 15. a3 O-O 16. Ba2 Bb7 17. Nh4 Nc4 (17... Nxe4 $11 {keeps the balance.} 18.
Nxe4 Bxe4 19. Qxe4 Bxh4) 18. Nf5 $1 $16 (18. Bxc4 $6 bxc4 19. Qxc4 Nxe4 $1 $11)
18... Nxe3 19. Qxe3 Kh7 20. Kb1 ({White should try} 20. h4 $1) 20... a5 21. Nd5
Bxd5 22. Bxd5 ({Much worse is} 22. exd5 $6 b4 $11) 22... Qc7 23. Qb3 g6 24. Ne3
Kg7 (24... Qc5 $14) 25. Qxb5 Rb8 26. Qa4 Qa7 27. Bb3 Bd8 28. Nc4 $2 (28. Rhf1
$16) 28... Nxe4 $17 29. Qc6 (29. h4 $142 Qc7 30. Rd5 (30. Nxe5 $2 Nc5 $19))
29... Nxf2 {White must now prevent ...Rc7.} 30. Nxd6 (30. Nxe5 $17 {was worth
a try.} Rc7 31. Qxd6 Nxd1 32. Rxd1) 30... Nxd1 $19 31. Rxd1 {[#]} Rbb7 $2 32.
Rf1 $2 {[%mdl 8192] Loses the game.} (32. Rd5 $11 Rxd6 33. Rxd6 (33. Qxd6 a4
$11)) 32... Qb6 33. Qd5 (33. Qxb6 {was the only defense.} Rxb6 34. Nc4) 33...
a4 ({Worse is} 33... Rxd6 34. Rxf7+ Kg8 {[#]} 35. Rf8+ $3 {[%mdl 512]} Kxf8 36.
Qg8+ Ke7 37. Qf7#) 34. Qxe5+ f6 35. Ne8+ Kh7 36. Nxf6+ Bxf6 37. Rxf6 Qg1+ 38.
Ka2 axb3+ 39. cxb3 {Rf8 is the strong threat.} Rd1 {[%csl Gg1][%cal Rd1a1]
Black mates.} 40. b4 Ra1+ 41. Kb3 Qd1+ {Weighted Error Value: White=0.92/
Black=0.21} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.7"]
[White "Vachier-Lagrave, Maxime"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2860"]
[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 14,87,7,3,35,0,0,0,18,0,0,0,0,-21,-32,-28,-25,-23,-20,-23,-19,-25,-26,
-11,0,-15,0,-30,0,-18,0,0,0,0,0,-29,-23,-37,-34,-57,-48,-87,-87,-87,-89,-167,
-186,-195,-172,-362,-172,-275,-2,-10,-9,-46,-6,-2,0,-34,99,150,484,495,442,483,
615,640,607,589,29991,29992,29992,29989,29993,29994]} 1. c4 Nf6 2. g3 e6 3. Bg2
d5 4. Nf3 d4 5. e3 c5 6. exd4 cxd4 7. O-O Nc6 8. d3 h6 {A13: English Opening:
1...e6.} 9. Na3 {9.Bf4 is setting a new trend.} Bxa3 10. bxa3 O-O {The
position is equal.} 11. Bf4 Ng4 $1 {[#]} 12. Bd2 $146 ({Predecessor:} 12. Re1
Re8 13. Ne5 Ngxe5 14. Bxe5 Bd7 15. Bd6 e5 16. Qh5 Qf6 17. c5 Rac8 18. Bd5 {
1-0 (54) Odendahl,R (2359)-Haria,R (2463) Belgium 2020}) 12... e5 13. Bb4 Re8
14. Nd2 Nf6 15. Ne4 Nxe4 16. Bxe4 Bh3 17. Re1 Qd7 18. Rb1 Kh8 19. Bd2 Rab8 20.
Rb3 Bg4 21. Qc1 f5 22. Bd5 f4 23. gxf4 Be6 24. Bf3 ({Don't blunder} 24. fxe5 $2
Bxd5 25. Qd1 Be6 $19) (24. Bg2 {is more complex.} Bh3 25. Be4 Bf5 26. f3 Rf8
27. fxe5 Bxe4 28. Rxe4 Rxf3 29. e6) 24... Rf8 25. Rb5 Rf6 26. Qd1 a6 27. Rc5
exf4 28. Kh1 Re8 29. Rg1 (29. Bb4 $17) 29... Bf7 $1 $19 30. Be4 Ne5 31. Qc1 $2
(31. f3 {is a better defense.}) 31... g5 (31... Bh5 $142 32. Rd5 Qh3) 32. Qb2 {
[#]} (32. f3 $142) 32... b6 $2 (32... Nxc4 $1 $19 {[%mdl 512]} 33. Qc1 Nxd2 34.
Qxd2 Bh5) 33. Rd5 $1 $11 {[%cal Rd5d7]} Bxd5 34. cxd5 Kg8 35. Qxd4 Qh3 {
And now ...Nf3! would win.} 36. d6 f3 (36... Qd7 $15 {keeps the upper hand.}
37. Qxb6 Rxd6 38. Qb3+ Ree6 39. Qb8+ Qd8) 37. Bc3 $16 {[%mdl 1024] White has
strong compensation.} Kg7 $2 {[#]} (37... Kf8 $16 {is tougher.}) 38. Bc6 $1 $18
{[%cal Rc6e8][%mdl 512]} Ree6 39. Bd5 Re8 {[#]} 40. Qe4 $1 ({Wrong is} 40. Qxb6
$2 Ng4 $19) 40... Qf5 {Black wants to play ...Qxe4.} 41. d7 Nxd3 {[%cal Rd3f2]}
42. Bxf6+ {White mates.} Kxf6 43. dxe8=N+ Kg6 {[#]} 44. Bf7+ $1 {[%mdl 64] Pin.
What a bad dream for Black.  Weighted Error Value: White=0.18/Black=0.56} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "3.8"]
[White "Firouzja, Alireza"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2703"]
[BlackElo "2881"]
[Annotator "TA"]
[PlyCount "79"]
[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 10,79,14,15,14,0,6,3,5,2,0,0,0,0,13,0,0,-16,25,18,21,0,0,0,0,-10,-35,
-25,30,31,37,30,37,30,40,0,0,0,27,20,24,18,37,37,37,0,65,37,37,37,37,37,37,37,
37,0,45,46,46,46,53,53,54,0,65,0,54,0,0,0,71,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 c5
4. Bd3 d5 5. b3 Nc6 6. Bb2 b6 {D05: Colle System with ...e6.} 7. Nbd2 {is the
legacy move (7.0-0).} Bb7 8. a3 cxd4 {The position is equal.} 9. exd4 g6 10.
Qe2 Bg7 {[#]} 11. Ne5 $146 ({Predecessor:} 11. Rb1 O-O 12. O-O Rc8 13. Rfd1 Qe7
14. Nf1 Rfd8 15. Ng3 Rc7 16. Ba6 Bxa6 17. Qxa6 {1/2-1/2 (44) Gruz,J (1868)
-Sandor,L (1490) Budapest 2012}) 11... Qc7 12. h4 h5 13. O-O-O O-O-O 14. Kb1
Kb8 15. Rh3 Nxe5 16. dxe5 Ne4 17. Bxe4 dxe4 18. Nc4 Ba6 (18... Rxd1+ $142 19.
Qxd1 Rd8) 19. Rxd8+ $11 Rxd8 20. Qxe4 Bxc4 21. bxc4 Bf8 22. Rf3 Bc5 23. Qe2 Rc8
24. Ka2 Rd8 25. Kb3 Rd7 26. Rd3 Qc6 27. g3 Kb7 ({Better is} 27... Rxd3+ $11 28.
cxd3 b5) 28. Bc3 (28. Rxd7+ {feels hotter.} Qxd7 29. Bc1 Qe7 30. Bg5 Qf8 31.
Qf3+) 28... Rxd3 29. cxd3 b5 30. d4 bxc4+ 31. Qxc4 Bb6 32. a4 a6 33. Qb4 Qd5+
34. Kb2 {[#] Threatens to win with a5.} Kc6 35. Qf8 $1 {[%cal Rf8c8]} Qd7 36.
Kb3 (36. Qa8+ $1 $14 Qb7 37. Qxb7+ Kxb7 38. Kb3) 36... Qd5+ ({Black should try
} 36... Kb7 $11) 37. Kb2 {aiming for Qc8+.} Qd7 38. Kb3 ({White should play} 
38. Qa8+ $1 $14 Qb7 39. Qxb7+ Kxb7 40. Kb3) 38... Kb7 39. Qb4 {[#] Black must
now prevent a5.} Kc6 (39... Qd5+ $1 $11 {remains equal.} 40. Kc2 a5 41. Qe7+
Ka6) 40. Qf8 {Weighted Error Value: White=0.15/Black=0.16} (40. Kc2 $16)
1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.1"]
[White "Giri, Anish"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2731"]
[BlackElo "2881"]
[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 17,115,35,39,33,43,43,47,23,29,25,28,24,25,20,27,20,18,27,12,20,46,55,
38,49,57,34,44,35,34,35,35,34,34,34,34,35,36,35,58,58,56,14,108,101,107,107,
108,105,115,101,101,101,101,101,131,129,130,130,142,131,141,135,152,151,230,
226,204,187,211,175,181,101,133,86,97,89,331,227,331,141,273,201,193,192,175,
185,183,141,160,125,271,271,271,275,271,183,277,339,29988,29989]} 1. e4 c5 2.
Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9.
O-O O-O 10. Qd3 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} a5 11. Be3
Bd7 12. Bd4 $5 {[%mdl 4] White is slightly better. An interesting side line.}
Bc6 13. b3 $5 {[%mdl 4] Leaves trodden paths.} Nd7 14. Bxg7 Kxg7 15. Qd4+ {[#]}
Kg8 $146 ({Predecessor:} 15... f6 16. Nd5 e5 17. Qe3 Bxd5 18. cxd5 {1/2-1/2 
(18) Gorbunov,E (2065)-Waerstad,L (2146) ICCF email 2018}) 16. Rfd1 Qb6 17.
Qxb6 Nxb6 18. f4 f5 19. exf5 Rxf5 20. g3 g5 21. Bd3 Rc5 22. Re1 Re8 23. Ne4
Bxe4 24. Rxe4 gxf4 25. Rxf4 {Hoping for Rg4+.} Nd7 $1 26. Re1 Ne5 27. Be4 b5
28. cxb5 Rxb5 29. Rh4 Rb4 (29... Ng6 $1 $11 30. Rg4 Re5) 30. Bxh7+ $16 Kg7 31.
Be4 $36 {[%mdl 2048] White is really pushing.} a4 32. bxa4 Rxa4 33. Re2 Rh8 34.
Rxh8 Kxh8 {[%mdl 4096] Endgame KRB-KRN} 35. Bd5 Ra5 36. Bb3 Nc6 37. Rd2 Kg7 38.
Kg2 Ne5 39. h3 Nd7 40. Re2 Kf8 (40... Ne5 $16 41. a4 Ra7) 41. Rf2+ $18 Nf6 42.
g4 Kg7 43. Rf4 d5 44. g5 (44. h4 $18) 44... Ne4 $16 {[#]} 45. Bxd5 $1 {[%mdl
512]} Nxg5 46. Bb3 e5 $2 (46... Re5 $16) 47. Ra4 Rc5 (47... Rb5 $142 48. h4 Nh7
49. Ra7+ Kh8 50. Ra8+ Kg7 51. Ra7+ Kh8) 48. Rc4 (48. h4 $18) 48... Ra5 (48...
Rb5 $16) 49. h4 Ne6 50. Ra4 Nf4+ 51. Kf3 Rc5 52. Rc4 Ra5 53. Rc7+ Kh6 {[#]} (
53... Kg6 $16 {was called for.} 54. a4 Nd5) 54. Bc2 $1 $18 {[%csl Gc2][%cal
Rc7h7]} Ra3+ 55. Kg4 {[%csl Gc2][%cal Rc7h7]} Nd3 56. Kf5 Nb4 (56... Nf4 {
is a better defense.} 57. Bb3 (57. Kxe5 Ng6+ 58. Bxg6 Kxg6 $16) 57... Ng2) 57.
Be4 {Threatening mate with Kg4.} ({Don't do} 57. Kxe5 $6 Nxc2 58. Rxc2 Kh5 $16)
57... Rxa2 $2 {[#]} (57... Nd3 $18 58. Rc8 Nb4) 58. Kg4 $1 {[%csl Ge4][%cal
Rc7h7] Weighted Error Value: White=0.18/Black=0.35} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.2"]
[White "Anton Guijarro, David"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2674"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "103"]
[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 11,103,27,35,25,41,32,37,22,29,26,47,53,51,41,35,35,48,16,42,0,19,0,23,
3,25,25,22,24,19,0,35,31,68,68,67,75,69,81,81,70,60,6,159,168,179,177,172,172,
174,181,180,179,190,183,174,152,147,147,203,183,180,185,181,193,181,171,179,
160,242,235,264,144,372,354,880,571,900,900,896,896,883,873,877,858,1094,964,
29977,29978,29977,29978,29978,29979,29998,29999]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7
4. e3 O-O 5. Be2 d6 6. Nc3 Nc6 7. d5 {E61: King's Indian: Early deviations for
White, including Smyslov System.} Nb4 8. O-O e6 {[#]} 9. dxe6 $146 {White is
slightly better.} ({Predecessor:} 9. e4 Re8 10. a3 Na6 11. Be3 exd5 12. exd5
Nc5 13. Bd4 a5 14. b3 Bd7 15. Nd2 {0-1 (30) Vrolijk,L (2433)-Heimann,A (2574)
Karlsruhe 2018}) 9... Bxe6 10. Nd4 Nc6 11. Nxe6 fxe6 12. Rb1 Nd7 13. Qd2 Qf6
14. Nd1 Nc5 15. Nc3 a5 16. Qd1 Rad8 17. Bd2 Qf7 18. a3 d5 19. cxd5 exd5 20. Nb5
d4 21. exd4 Bxd4 22. Qc2 $1 {Black must now prevent Bc4.} Qf5 23. Bc4+ Kg7 24.
Qxf5 Rxf5 25. Nxd4 Nxd4 26. Rfd1 ({White should try} 26. Bxa5 $14 b6 27. Bc3)
26... Na4 $2 {[#]} (26... b5 $11 27. Bf1 Ncb3) 27. b3 $1 $36 {[%mdl 2048] And
now Be3 would win. White is on the roll.} Nb6 28. Bc3 c5 29. Bxa5 Rd6 30. Bf1
Nd5 31. Be1 Nf4 32. Bc3 Kf8 {Hoping for ...Nde2+.} 33. Bxd4 cxd4 34. g3 Nh5 (
34... Ne6 $16 35. b4 Kg7) 35. Rd2 Rc5 36. a4 Rc3 37. Bc4 Ng7 38. Rbd1 Nf5 39.
Kg2 b6 (39... Ke7 $16 {was called for.} 40. Rd3 Rxd3 41. Bxd3 Kf6) 40. Rd3 $18
Rc2 41. Rf3 (41. g4 $18 Nh4+ 42. Kg3) 41... Rf6 {[#] Black cannot hold the
game after this.} (41... Kg7 $16 {was necessary.} 42. Bd3 Rb2 43. Bxf5 gxf5)
42. Rxd4 $1 {[%mdl 576] Pin} g5 $2 (42... Rc3) (42... Rb2 43. Rd7) 43. Bd3 Rd2
44. Rd5 Ne3+ 45. Rxe3 {Rd8+ is the strong threat.} Rfxf2+ 46. Kg1 Rg2+ 47. Kf1
Rxh2 48. Ke1 Ra2 49. Rf5+ {White mates.} Kg8 50. Re8+ Kg7 51. Re7+ Kg6 52. Rf4+
{Weighted Error Value: White=0.19/Black=0.52} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.3"]
[White "Grandelius, Nils"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2632"]
[BlackElo "2860"]
[Annotator "TA"]
[PlyCount "98"]
[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 17,98,42,41,23,31,33,40,33,38,36,60,60,66,54,54,59,54,59,58,8,33,48,46,
45,38,37,44,17,58,17,22,14,25,29,70,57,46,38,27,27,18,31,46,0,0,0,0,0,0,-18,0,
-10,0,-16,0,-8,0,0,0,0,0,0,123,65,63,59,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1.
e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 g6 6. Nf3 Bg7 7. O-O O-O 8. c3 Qc7
9. Re1 Nc6 10. Be3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik
Attack.} Re8 11. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Bd7 {[#]} 12. Rc1
$146 {White is slightly better.} ({Predecessor:} 12. Nb3 Rad8 13. Bf1 Nh5 14.
Nc5 Bc8 15. Nd3 Na5 16. b3 Nc6 17. a4 Bf5 18. b4 Bxd3 19. Qxd3 {1-0 (28)
Blomqvist,E (2519)-Andersson,L (2029) Gothenburg 2019}) 12... Rac8 13. Nb3 Ne4
14. Bxe4 dxe4 15. Ng5 f5 16. Nc5 Nd8 17. Qb3+ Kh8 $1 18. d5 (18. f3 {looks
sharper.} exf3 19. Nxf3 e6 20. Bg5 Bc6 21. Ne5) 18... b6 (18... Bf6 $5 {
[%cal Rf6g5]} 19. Nxd7 Qxd7 $14) 19. Nxd7 Qxd7 20. Rcd1 Bf6 21. Ne6 Nf7 22. Bd4
Nd6 23. Bxf6+ exf6 24. Qc2 Nb7 (24... Kg8 {is more complex.} 25. Kh1 a5 26. Re2
Nf7 27. Kg1 b5) 25. c4 Nc5 26. Nxc5 bxc5 27. Qc3 Qd6 28. a3 Kg7 29. b4 Re7 30.
bxc5 Rxc5 31. Rc1 Rec7 32. Red1 h5 ({But not} 32... Rxc4 $6 33. Qxc4 Rxc4 34.
Rxc4 $16) 33. Qd4 h4 34. a4 g5 35. Qe3 Re7 36. Qd4 Kg6 37. Re1 Rec7 38. f3 Qg3
{[#] ...Rxc4! is the strong threat.} 39. fxe4 f4 (39... Rxc4 $1 $11 {remains
equal.} 40. exf5+ Kf7) 40. Rf1 (40. Re2 $16 {Threatens to win with d6.} Qb3 41.
Rec2) 40... Qe3+ $14 41. Qxe3 fxe3 {[%mdl 4096] Endgame KRR-KRR} 42. Rce1 Rxc4
{The position is equal.} 43. Rxe3 Rxa4 44. e5 fxe5 45. Rxe5 Ra6 46. Rff5 Rc1+
47. Kh2 Raa1 $1 {[%csl Ga1][%cal Rc1h1] [#]} 48. Rxg5+ Kf7 {[%csl Ga1][%cal
Rc1h1]} 49. Rgf5+ Kg6 {[%csl Ga1][%cal Rc1h1] Weighted Error Value: White=0.09/
Black=0.11} (49... Kg7 $5 50. Rg5+ $8 Kf7 51. Rgf5+ Kg7 52. Rg5+ Kf7 $11)
1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.4"]
[White "Mamedyarov, Shakhriyar"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2761"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "71"]
[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 9,71,-17,-16,-23,-2,-12,9,8,7,12,14,3,32,18,34,25,18,-23,-30,-20,-24,
-37,11,24,32,31,31,26,27,29,39,32,37,34,26,33,51,12,33,24,33,22,74,70,92,93,
143,145,149,144,252,250,226,238,895,871,1310,1239,1923,1764,6425,4737,6087,
4129]} 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bc5 6. Bf4 {C26:
Vienna Game: 2...Nf6, sidelines .} O-O {[#]} 7. f3 $146 ({Predecessor:} 7.
O-O-O Re8 8. f3 d6 9. Qd2 Be6 10. Kb1 a6 11. Nge2 b5 12. Nc1 Ne5 13. Bg5 {
0-1 (29) Nepomniachtchi,I (2784)-So,W (2770) Lichess.org INT 2020}) 7... d5 8.
Nxd5 {The position is equal.} Nxd5 9. Qxd5 Qxd5 10. exd5 Re8+ 11. Ne2 Nb4 12.
O-O-O {a3 is the strong threat.} Bf5 13. Ng3 Bxc2 14. a3 Bxd1 15. axb4 Bxb4 {
Strongly threatening ...Bb3.} 16. Kxd1 Re1+ 17. Kc2 Rd8 18. Bc4 {Threatens to
win with Rxe1.} Rxh1 19. Nxh1 Bd6 20. Bxd6 Rxd6 21. Nf2 Kf8 22. Kc3 Ke7 23. b4
Rh6 24. Ng4 Rh5 25. h3 c6 (25... f5 $11 {remains equal.} 26. Ne5 Kd6) 26. Kd4
$16 f6 27. f4 cxd5 28. Be2 {Hoping for Ne3.} Rh4 {[#]} 29. Bf1 $1 {[%mdl 1024]
White has strong compensation.} ({Inferior is} 29. Kxd5 f5 $15) 29... Ke6 (
29... f5 $16 30. g3 Rh5) 30. g3 $18 Rh5 31. Ne3 b6 $2 (31... f5 32. Bg2 (32.
Nxd5 Rh6 $16) 32... Rh6 33. Bxd5+ Kd7) 32. g4 {White is clearly winning.} Rh6 {
[#]} 33. Nf5 $1 {[%cal Rf5h6]} Rg6 34. b5 h5 35. Be2 hxg4 36. hxg4 {Weighted
Error Value: White=0.04/Black=0.24} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.5"]
[White "Nepomniachtchi, Ian"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2778"]
[BlackElo "2829"]
[Annotator "TA"]
[PlyCount "89"]
[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 19,89,12,13,19,13,20,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,1,2,6,0,
0,0]} 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. Nc3 Ke8 10. h3 Be6 {The position is equal.} (10... h5 11.
Bf4 Be6 12. Ng5 Bc4 13. Rfd1 Bb4 14. Nce4 Be2 15. Rdc1 Bc4 16. b3 Bd5 17. Rd1
Be7 18. c4 Bxe4 19. Nxe4 c5 20. Rd3 Rd8 21. Rad1 b6 22. e6 fxe6 23. Bxc7 Rxd3
24. Rxd3 Kf7 25. Be5 Rd8 26. Rxd8 Bxd8 27. Kf1 {1-0 (64) Nepomniachtchi,I 
(2789)-Nakamura,H (2736) chess24.com INT 2021}) 11. g4 {C67: Ruy Lopez: Berlin
Defence: 4 0-0 Nxe4.} Ne7 12. Nd4 Bd7 13. Re1 h5 14. e6 fxe6 15. Nxe6 Bxe6 16.
Rxe6 hxg4 17. hxg4 Kd7 18. Re4 Nd5 19. Nxd5 cxd5 20. Re5 Rh4 {[#]} 21. Rg5 $146
({Predecessor:} 21. Rxd5+ Bd6 22. Be3 {1/2-1/2 (22) Shirov,A (2730)-Almasi,Z 
(2685) Novi Sad 2009}) 21... Re8 {[#] Threatens to win with ...Re1+.} 22. Be3
Re4 23. Rxd5+ Ke6 24. Rad1 Rexg4+ 25. Kf1 Rh1+ 26. Ke2 Rxd1 27. Rxd1 $11 {
[%mdl 4096] Endgame KRB-KRB} Bd6 28. b3 ({Much weaker is} 28. Bxa7 b6 $17)
28... a5 29. a4 b6 30. Rh1 Rg6 31. Kd3 Rg4 32. Bd4 Be5 33. Be3 Bd6 34. Ke2 Rg6
35. Kf3 Kd5 36. Rh5+ Ke6 37. Ke4 Rg4+ 38. Kd3 Rg1 39. Rh8 Rg4 40. Re8+ Kd5 41.
Rd8 Ke6 42. Rh8 Kd5 43. Rh5+ Ke6 44. c3 Be7 45. Rh1 {A rather calm draw. 
Weighted Error Value: White=0.01/Black=0.00} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.6"]
[White "Karjakin, Sergey"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2709"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "26"]
[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 10,26,31,32,44,44,47,38,43,34,27,33,26,0,24,0,35,0,26]} 1. e4 c5 2. Nf3
Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 g6 {B60: Sicilian: Richter-Rauzer:
Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} 7. Bb5 Bd7 8. Bxf6 exf6 {
White is slightly better.} 9. O-O Bg7 10. Nde2 Be6 {[#]} 11. Nd4 $146 ({
Predecessor:} 11. Qd2 O-O 12. Rad1 f5 13. Bxc6 bxc6 14. Nd4 Bd7 15. exf5 Qb6
16. fxg6 hxg6 17. b3 Rae8 18. Qf4 Qb4 19. Ne4 d5 20. Nf6+ Bxf6 21. Qxf6 {
1-0 (26) Vovk,Y (2626)-Turner,M (2493) Fagernes 2015}) 11... Bd7 12. Nde2 Be6
13. Nd4 Bd7 {Weighted Error Value: White=0.10/Black=0.02} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.7"]
[White "Radjabov, Teimour"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2758"]
[BlackElo "2778"]
[Annotator "TA"]
[PlyCount "183"]
[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 15,183,24,23,0,0,7,12,0,18,0,0,0,0,6,22,19,12,0,9,11,7,7,0,-16,-4,-34,
-15,-22,-15,-57,-62,-56,-41,-53,-33,-43,-18,-33,-17,-17,-17,-17,-18,-18,0,0,0,
-17,-18,-48,0,0,0,-35,-27,-33,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,-12,-12,-12,-12,
-12,-12,-12,-12,-12,-12,-12,-12,-12,-8,-8,-8,-8,0,0,0,0,0,-12,-12,-12,-8,-62,
-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,0,-62,-62,-62,-62,-62,0,0,0,
-62,-8,-62,-8,-12,-8,-62,-62,-62,-62,-62,-62,-62,-62,-62,-12,-62,-62,-62,-62,
-62,-62,-62,-62,-62,-62,-62,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,
-12,-12,0,-5,0,-12,-12,-12,-12,-12,0,-12]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3
Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 Nc6 9. Qb3 {D38: Queen's Gambit
Declined: Ragozin Defence (4 Nf3 Bb4).} a5 10. a3 a4 11. Qc2 Ba5 {[#]} 12. cxd5
$146 ({Predecessor:} 12. Nd2 Rd8 13. Be2 Bxc3 14. bxc3 dxc4 15. Bxc4 e5 16. O-O
Qd6 17. Qa2 Qg6 18. f4 exd4 19. cxd4 {1-0 (34) Scholz,C (2388)-Spitzl,V (2254)
Bamberg 2018}) 12... exd5 13. Be2 Bf5 14. Qd1 Ne7 15. O-O Bxc3 16. Rxc3 Qb6 17.
b4 axb3 $1 18. Rxb3 Qa7 19. Qd2 b6 20. Rc1 c5 21. dxc5 bxc5 22. Rbc3 c4 23. Nd4
Bg6 24. h3 Rfb8 25. Bf3 {Threatening Bxd5!} Qa5 26. Ne2 Rb3 27. Nf4 Rd8 28.
Nxg6 Nxg6 29. Rd3 Qxd2 30. Rxd2 Ne5 31. Rcd1 c3 32. Rc2 Rxa3 33. Bxd5 Kf8 34.
e4 {[#]} Nc6 $1 35. Rcc1 Rc8 (35... Nb4 {feels hotter.} 36. Rd4 Rb8 37. Rc4 c2
38. Rc7 Rd3) 36. Bxc6 Rxc6 $11 {[%mdl 4096] Endgame KRR-KRR} 37. Rd3 g5 38. Rc2
Ke7 39. g4 Ke6 40. f3 Rb3 {[#] Strongly threatening ...Rb1+.} 41. Kf1 $1 Rc5 (
41... Kf6 {with more complications.} 42. Ke2 Rb2 43. Kd1 Rb1+ 44. Ke2 Rb2) 42.
Ke2 Rb2 43. Rxb2 cxb2 {KR-KR} 44. Rb3 Rc2+ 45. Kd3 Rh2 (45... Rf2 {is
interesting.} 46. Rb6+ Ke5 47. Ke3 Rh2 48. Rb3 Kd6) 46. Kd4 $1 Kd6 47. Rb6+ Kc7
48. Rb3 Kc6 (48... Rf2 {looks sharper.} 49. Ke3 Rg2 50. Kd3 Kd6 51. Kd4 Ke7)
49. Rb8 Rxh3 (49... Kd7 {feels hotter.} 50. Rb7+ Ke8 51. Ke3 Kf8 52. Rb8+ Ke7)
50. Rxb2 Rxf3 51. Rh2 Rf6 52. Ke5 Re6+ 53. Kf5 Kd6 54. Rd2+ Ke7 55. e5 $1 Ra6
56. Rh2 (56. Rb2 $11) 56... Kf8 $1 $15 57. Rh1 Kg7 58. Rf1 Rb6 59. Rf2 Rb1 60.
Rf3 Rb4 61. Rf1 Rb5 {...f6 is the strong threat.} 62. Ra1 Rb4 {[%csl Gg5][%cal
Rb4f4]} (62... Rb7 {keeps more tension.} 63. Rf1 Rb4 64. Rf2 Rb6 65. Ke4 Kg6)
63. Rf1 Kf8 64. Rf2 Ke7 65. Rf1 Rb5 (65... Ke8 $15) 66. Ra1 $11 Rb2 {Hoping
for ...Rf2+.} 67. Rf1 (67. Ra7+ $11 Kf8 68. e6) 67... Ra2 (67... Rb4 $15) 68.
Rf3 (68. Rh1 $1 $11) 68... Ra1 (68... Ra4 $15) 69. Rf2 Re1 70. Rf3 ({White
should play} 70. Rh2 $1 $11) 70... Kf8 $15 71. Rf2 Kg7 72. Rf3 Ra1 73. Rf2 Ra5
74. Rb2 Rc5 (74... Ra7 {seems wilder.} 75. Rh2 Rb7 76. Ra2 Rb1 77. Rf2 Rg1) 75.
Ra2 Rc4 {[%csl Gg5][%cal Rc4f4]} 76. Rf2 Kf8 77. Rf3 Ke7 78. Rf2 Rd4 79. Rf1
Ra4 80. Rf2 f6 81. exf6+ {The position is equal.} Kf7 82. Rb2 Rf4+ 83. Ke5 {
Threatens to win with Rb7+.} Rxf6 84. Rb4 Kg6 85. Ra4 Rf7 86. Ra6+ Kg7 87. Ra8
Kh7 88. Rb8 Kg7 (88... Rf4 $5 89. Rb7+ $8 Kg8 $11) 89. Ra8 Re7+ 90. Kf5 Rb7 91.
Ke4 Rf7 {And now ...Rf4+ would win.} 92. Ke5 {Weighted Error Value: White=0.06/
Black=0.05} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "4.8"]
[White "Pichot, Alan"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2548"]
[BlackElo "2741"]
[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 17,74,-2,0,0,0,0,0,0,0,0,0,0,13,11,16,16,13,24,16,27,32,25,25,27,33,15,
16,-20,-11,-1156,-1130,-29960,-29960,-6395,-6411,-5385,-5359,-5302,-3068,
-29968,-545,-742,-729,-29976,-29977,-29977,-29978,-29978,-29978,-29975,-839,
-29976,-29976,-29994,-29995,-29995,-29996,-29998,-29997]} 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 {The position is equal.} Ba5 13. O-O Bxf3 14. gxf3 Ng5 $5 {[%mdl 4]
An interesting side line.} 15. Kg2 Bxc3 16. bxc3 {Black must now prevent f4.}
Ne6 {[#]} 17. f4 $146 {Hoping for f5.} ({Predecessor:} 17. Bd3 Qh4 18. Qd2 Ne7
19. f4 Ng6 20. f5 Nef4+ 21. Bxf4 Nxf4+ 22. Kf3 Qxh3+ 23. Kxf4 {0-1 (41)
Rostami,H (1998)-Kuybokarov,T (2530) Lichess.org INT 2020}) 17... f5 18. Qa4
Qh4 19. Bxc6 bxc6 20. Qxc6 {[%mdl 64] [#] Double Attack} Rae8 21. Qxd5 {
And now Qf3 would win.} g5 $1 {[%cal Rg5f4]} 22. f3 {Threatens to win with
fxg5.} Kh8 $1 23. Kh2 $2 {[%mdl 8192] [#] White does not recover from this.} ({
Don't blunder} 23. fxg5 $2 Nxg5 24. Rh1 (24. Bxg5 $2 Qxg5+ 25. Kh2 Qf4+ 26. Kh1
Qg3 $19) 24... f4 $19) (23. Rf2 $11) 23... Rb8 $1 $19 {( -> ...Rb2+)} 24. Qxe6
(24. Rg1 gxf4) 24... Rb2+ 25. Rf2 Rxf2+ 26. Bxf2 Qxf2+ {[%mdl 4160] Endgame
Double Attack. KQR-KQR} 27. Kh1 Qxf3+ {[%mdl 64] Double Attack} 28. Kh2 Qxf4+ (
28... g4 $142 29. hxg4 Qxf4+ 30. Kh3 Qf3+ 31. Kh2 fxg4 32. Qh6 Qf2+ 33. Kh1 g3
34. Qxf8+ Qxf8 35. Kg2 Qf2+ 36. Kh3 Kg7 37. a4 h5 38. Ra2 Qxa2 39. Kxg3 Qe2 40.
Kf4 Qf2+ 41. Ke4 h4 42. c4 h3 43. Kd5 h2 44. Kc6 Qxd4 {[%mdl 64] Double Attack}
45. Kxc7 h1=Q 46. e6 Qb6+ 47. Kd7 Qhc6+ {[%mdl 64] Double Attack} 48. Ke7 Qxe6#
) 29. Kh1 Qf3+ 30. Kh2 g4 31. hxg4 fxg4 32. Qh6 g3+ 33. Kh3 Rf5 (33... Qf5+
$142 34. Kh4 g2 35. Qxf8+ Qxf8 36. Kg4 Qf2 37. e6 Kg7 38. e7 g1=Q+ 39. Rxg1
Qxg1+ 40. Kf4 Kf7 41. e8=R Kxe8 42. Kf5 Ke7 43. Ke5 Qg5+ 44. Ke4 Qg1 45. Kd5 h5
46. c4 Qg2+ 47. Ke5 h4 48. d5 h3 49. c5 Qxa2 50. d6+ cxd6+ 51. cxd6+ Kd7 52.
Kf4 h2 53. Kg4 h1=Q 54. Kg5 Qad5+ {[%mdl 64] Double Attack} 55. Kg4 Qhh5+ 56.
Kg3 Qdf3#) 34. Kh4 Rf4+ {Black mates.} 35. Kh3 Qg4+ 36. Kg2 Qe2+ 37. Kxg3 Rf3+
{Weighted Error Value: White=1.23/Black=0.30} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.1"]
[White "So, Wesley"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2741"]
[BlackElo "2731"]
[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 12,58,12,16,20,24,21,14,18,16,12,0,18,9,19,11,9,12,19,12,21,20,15,-8,0,
-9,12,0,11,9,19,0,0,0,0,-15,0,0,0,0,0,0,0,0,0,-354,-357,-672,-661]} 1. e4 e5 2.
Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Re1 a6 {C54: Giuoco Piano:
4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. h3 Ba7 9. a4 h6 {The position is
equal.} 10. Nbd2 Re8 11. Qc2 Be6 12. Bxe6 Rxe6 13. b4 {[%cal Bb2b4,Bb4b5][%mdl
32]} Qd7 14. Rb1 Rd8 15. b5 Ne7 16. d4 {bxa6 is the strong threat.} Ng6 {[#]}
17. Nf1 $146 ({Predecessor:} 17. d5 Ree8 18. c4 Rf8 19. Nf1 Bc5 20. Be3 Bxe3
21. Nxe3 b6 22. a5 axb5 23. Rxb5 bxa5 24. Rxa5 {1/2-1/2 (88) Svidler,P (2723)
-Radjabov,T (2765) chess24.com INT 2020}) 17... axb5 18. Rxb5 c6 19. Rb3 d5 20.
exd5 cxd5 21. dxe5 Ne4 22. Be3 Qxa4 23. Qb2 {[#] Strongly threatening Ra1.}
Bxe3 24. Nxe3 Nc5 25. Rb4 Qe8 {White must now prevent ...Nd3.} 26. Rd1 Nxe5 27.
Nxe5 Rxe5 28. c4 $2 {[%mdl 8192] [#]} (28. Rbd4 $11 {and White is okay.}) 28...
d4 $1 $19 {[%cal Rd4e3]} 29. Rxd4 (29. Nf1 Na4 30. Qd2) 29... Rxe3 {Weighted
Error Value: White=0.49/Black=0.04} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.2"]
[White "Aronian, Levon"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2778"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "125"]
[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 10,125,24,23,18,23,21,16,16,16,34,11,39,35,46,47,79,18,25,21,32,-14,0,
-36,3,0,0,0,0,0,0,0,26,29,72,82,82,82,71,87,77,86,84,78,78,75,113,31,164,147,
149,155,165,145,150,47,147,64,66,33,112,112,218,212,300,307,304,303,29985,296,
288,296,272,241,227,218,304,312,312,315,315,286,309,297,309,280,268,246,330,
313,364,364,384,368,427,399,503,485,394,220,537,501,447,432,508,8,1125,375,
5373,11112,6413,6246,5193,5289,29987,29988,29991,29992]} 1. c4 Nf6 2. Nc3 e6 3.
e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Bf5 {A18: English Opening: Flohr-Mikenas
System (1 c4 Nf6 2 Nc3 e6 3 e4).} 7. Be2 Be7 8. O-O O-O {The position is equal.
} 9. d4 c5 10. Be3 {[#]} Nc6 $146 ({Predecessor:} 10... c4 11. Nd2 Nxc3 12.
bxc3 Nc6 13. Bg4 Bd3 14. Be2 Bg6 15. f4 f5 16. Rb1 Rb8 {0-1 (42) Harika,D 
(2515)-Abrahamyan,T (2358) chess.com INT 2020}) 11. dxc5 Nxc3 12. bxc3 Be4 13.
Qb3 (13. Nd4 $16) 13... Qc7 $11 14. Rfd1 Rab8 15. Nd4 Qxe5 16. Qa4 (16. Qb5 {
is interesting.} Qf6 17. f3 Bg6 18. Bf2 a6 19. Qb6) 16... Qf6 (16... Rbc8 {
seems wilder.} 17. Bb5 Nd8 18. Nb3 Ne6 19. Qxa7 Bg5) 17. f3 Bg6 18. Nxc6 bxc6
19. Bd4 Qe6 20. Bf1 Qd7 21. c4 Rfd8 22. cxd5 Qxd5 23. Bf2 Qe6 24. Re1 Qf6 25.
Rad1 $36 {[%mdl 2048] Black is under strong pressure.} Bf8 26. Rxd8 Rxd8 27.
Qxa7 Rd2 28. Re8 (28. Qa5 $16 Rxf2 29. Kxf2) 28... Rd8 ({Better is} 28... Rxf2
$1 $14 29. Kxf2 Qd4+ 30. Kg3 f6) 29. Rxd8 $18 Qxd8 30. Qa4 $1 {[%cal Ra4c6]}
Qd5 31. Qb3 {And now Qxd5 would win.} Qd2 32. a3 (32. a4 $16) 32... h5 (32...
Bc2 $1 $14 33. Qc4 Qd1) 33. Qe3 ({White should play} 33. a4 $1 $16) 33... Qd1
$14 34. h4 Kh7 {Black is now going downhill.} (34... Qa1 $14) 35. Qd4 $16 Qb1 (
35... Bc2 $16) 36. Qd8 $1 $18 Qc1 (36... Qa1 $142 37. a4 (37. Qxf8 Bd3 $18)
37... Bf5 38. Qxf8 Bd3) 37. Qxf8 Bd3 {[#]} 38. Bd4 $1 {[%csl Gd4][%cal Rf8g7]}
Qxf1+ 39. Kh2 {[%csl Gd4][%cal Rf8g7]} f6 40. Bxf6 $1 gxf6 41. Qf7+ {[%mdl 64]
Double Attack} (41. Qxf6 Qe2 $11) 41... Kh6 42. Qxf6+ {[%mdl 64] Double Attack}
Bg6 43. Qh8+ (43. Qxc6 Qf2 $11) 43... Bh7 {[#]} 44. Qf8+ $1 Kg6 45. Qe8+ Kg7
46. Qe5+ ({Not} 46. Qxc6 Qc4 $16) ({Don't play} 46. Qxh5 $6 Qe2 $18) 46... Kf7
47. Qxh5+ Bg6 48. Qe5 Qf2 49. Kh3 Qc2 50. h5 Bf5+ 51. Kg3 Be6 52. Qf4+ Ke7 53.
Qg5+ Kf7 54. h6 (54. a4 $142) 54... Qc3 $2 (54... Bf5 {is more resistant.} 55.
Qf4 Qxc5) 55. h7 {Threatens to win with Qh5+.} Qh8 {[#]} 56. Qh5+ Ke7 {
intending ...Qg7+.} 57. a4 $2 (57. f4 $18) 57... Kd7 $2 {[%mdl 8192]} (57...
Qg7+ $11 58. Kh2 Qf6) 58. Qh6 $2 (58. a5) 58... Bd5 $2 (58... Bf5 59. Qd6+ Kc8
60. Qxc6+ Kb8 61. Qb6+ Kc8 62. Qc6+ Kb8 63. Qd6+ Kc8) 59. Qd6+ (59. a5 $142 Kc7
60. a6) 59... Kc8 60. Qe7 Kb8 61. Kf4 {Qe5+ would kill now.} Qd4+ 62. Kf5 Qh8
63. Qe5+ {Weighted Error Value: White=0.34/Black=0.51} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.3"]
[White "Dubov, Daniil"]
[Black "Radjabov, Teimour"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2770"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "140"]
[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 19,140,7,0,16,7,9,9,0,0,-107,-98,-141,-137,-136,-134,-139,-141,-135,
-137,-204,-193,-193,-210,-205,-190,-272,-280,-287,-287,-306,-120,-277,-266,
-314,-294,-340,-309,-416,-433,-476,-466,-471,-473,-466,-464,-469,-438,-425,
-414,-591,-514,-502,-495,-506,-498,-444,-450,-429,-130,-356,0,-412,-434,-514,
-509,-554,-527,-554,-546,-579,-347,-322,0,-575,-557,-5949,-5406,-29962,-29965,
-29969,-29970,-29970,-29970,-29970,-29968,-29968,-29969,-29968,-29971,-29972,
-29966,-29965,-29971,-29968,-29968,-29967,-29970,-29970,-29969,-29973,-29974,
-29974,-29971,-29971,-29972,-29972,-29973,-29973,-29974,-29973,-29973,-29986,
-29987,-29987,-29988,-29988,-29989,-29990,-29991,-29991,-29992,-29992,-29993]} 
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4
b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Bxf6 {E05: Open Catalan: 5 Nf3 Be7.} Nxf6 12.
Nbd2 Rc8 13. Nb3 {The position is equal.} c5 {[#]} 14. Nxc5 $146 (14. dxc5 $11
a5 15. a4) ({Predecessor:} 14. dxc5 Be4 15. Qc3 Nd7 16. Rfd1 Qc7 17. Qe3 Bxf3
18. Bxf3 Ne5 19. Qc3 Bxc5 20. Rac1 Bb6 21. Qxc7 Rxc7 22. Rxc7 Bxc7 23. Bb7 a5
24. Ba6 b4 25. Nc5 {1/2-1/2 (25) Meier,G (2626)-Vitiugov,N (2747) Moscow 2019})
14... Bxf3 $17 15. Bxf3 Qxd4 16. Nb3 {[#]} Qxf2+ {[%mdl 512]} 17. Kxf2 (17.
Rxf2 Rxc2) 17... Rxc2 18. Rab1 e5 {Strongly threatening ...e4.} 19. Rfc1 {[#]}
(19. h3 $17) 19... Rxc1 $1 $19 20. Rxc1 e4 21. Bg2 Ng4+ 22. Kg1 (22. Ke1 $142)
22... Bg5 23. Rc6 Be3+ 24. Kf1 Nxh2+ 25. Ke1 f5 26. Bh3 Ng4 27. Kf1 Rd8 {
( -> ...Rd1+)} 28. Bxg4 fxg4 {[%mdl 4096] Endgame KRB-KRN} 29. Re6 Rf8+ 30. Kg2
Rf2+ 31. Kh1 Rxe2 32. Rxe4 Re1+ 33. Kg2 h5 34. Na5 (34. Re5 {was worth a try.})
34... Re2+ 35. Kh1 Kf7 36. Nb7 Kf6 37. Nd6 Re1+ 38. Kg2 Rg1+ 39. Kh2 Re1 40.
Kg2 $1 Bd2 41. a4 Rb1 42. axb5 axb5 43. Re2 Bc1 44. Ne4+ Kf5 45. Nd6+ Kf6 $2 (
45... Kg5 46. Re1 Rxb2+ 47. Kf1 Bd2 48. Re5+ Kg6 49. Re6+ Kh7) 46. Ne4+ $1 Kg6
47. Nc3 Rxb2 48. Rxb2 Bxb2 {Black mates.} 49. Nxb5 {KB-KN} Be5 50. Na3 Kf5 51.
Nc4 Bc7 52. Ne3+ Ke4 53. Nf1 Kd3 54. Nh2 Ke3 55. Nf1+ Ke2 56. Nh2 g5 57. Nf1
Kd3 58. Nh2 Ke4 59. Kf2 Kf5 60. Nf1 Be5 61. Kg2 Bb8 62. Kh1 Ke4 63. Kg2 h4 64.
Nd2+ Kd3 65. gxh4 gxh4 66. Nf3 h3+ 67. Kf2 Bf4 68. Nh4 Ke4 69. Kf1 Bg5 70. Ng6
g3 {Black took control after the opening.  Weighted Error Value: White=0.30/
Black=0.27} 0-1

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.4"]
[White "Nakamura, Hikaru"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2829"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "47"]
[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 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+ Qe6 12. Qd4
Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {[#]} {Predecessor:} 15. Qe3+ $146 {C67: Ruy
Lopez: Berlin Defence: 4 0-0 Nxe4.} Be6 16. Nc3 Qc6 17. Nb5 Bc5 18. Qc3 O-O 19.
Bf4 Rfc8 20. Nd4 Bxd4 21. Qxd4 Rd8 22. Qb4 a5 23. Qb5 Qxb5 24. axb5 {1/2-1/2 
(32) Wei,Y (2732)-Grischuk,A (2777) Chess.com INT 2020} 1/2-1/2

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.5"]
[White "Van Foreest, Jorden"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2543"]
[BlackElo "2778"]
[Annotator "TA"]
[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"]

{[%evp 9,113,40,46,38,46,16,22,29,31,24,25,25,25,0,6,0,0,-24,7,33,10,-3,22,0,0,
0,55,0,8,0,0,0,10,32,142,148,136,0,91,95,90,91,134,143,143,134,135,143,133,133,
145,147,133,143,146,133,133,133,149,134,143,145,249,252,270,264,245,256,258,0,
30,0,270,270,270,270,270,270,270,270,263,258,249,251,343,342,340,341,363,375,
1170,1018,1554,1596,1293,1358,1081,776,777,760,718,635,6115,6045,2191,1514]} 1.
e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 a6 5. c4 Nc6 6. h3 {B06: Modern Defence.} e5
7. d5 Nce7 8. Nc3 {The position is equal.} f5 {[#]} 9. g4 $146 ({Predecessor:} 
9. exf5 Nxf5 10. Bg5 Bf6 11. Ne4 Bxg5 12. Nexg5 Nf6 13. g4 Ng7 14. Qc2 Qe7 15.
Bg2 {0-1 (38) Frischmann,R (2450)-Rocha,S (2249) Tallinn 2019}) 9... Nf6 10.
gxf5 gxf5 11. Rg1 O-O 12. Bd3 Kh8 13. Qc2 {[%cal Re4f5]} f4 14. Bd2 c6 (14...
Bxh3 15. O-O-O $15) 15. O-O-O b5 16. c5 (16. cxb5 cxd5 17. exd5 axb5 $15) 16...
b4 17. Na4 cxd5 (17... Rb8 $1 $11) 18. exd5 (18. Bxb4 $14 dxe4 19. Bxe4 (19.
cxd6 $2 Ned5 $19)) 18... Nexd5 19. Ng5 Bd7 20. Bc4 $1 {[%cal Rc4d5]} Rc8 21.
Bxd5 Bxa4 (21... Qa5 $1 $14 22. Nxh7 Bxa4) 22. Qxa4 $16 Nxd5 23. Kb1 (23. Ne6
$16 Rxc5+ 24. Nxc5 dxc5 25. Qc6) 23... Qf6 (23... Rxc5 $6 24. Ne6 $16) (23...
dxc5 $6 24. Qc2 $16) (23... Qe7 $1 $11) 24. Qc2 {[%csl Gg5][%cal Rc2h7]} Qh6
25. c6 Ne7 26. Bxb4 ({But not} 26. c7 $6 a5 $14) 26... Rxc6 {[#]} 27. Rxd6 $1 {
[%mdl 512]} Rxc2 28. Rxh6 Bxh6 29. Kxc2 Rc8+ 30. Kd3 {[%cal Rg5f7]} Rd8+ 31.
Ke2 {[%cal Rg5f7]} Bxg5 32. Rxg5 {[%mdl 4096] Endgame KRB-KRN} Ng6 33. Bc3 Kg8
34. h4 {h5 is the strong threat.} (34. Bxe5 $2 Re8 $19) 34... Kf7 35. Rh5 $1 (
35. Bxe5 $2 Re8 $19) 35... Ke6 (35... Kg8 $16 {was called for.} 36. Kf3 Rd3+
37. Ke4 Rh3) 36. Rxh7 $18 e4 {[#]} 37. Rh6 $1 {[%cal Rh6g6]} Kf5 {[#] Strongly
threatening ...f3+.} 38. Rh5+ $1 Ke6 {Now ...Rd3 and Black clings on.} 39. Rh6
$2 ({White should try} 39. Rg5 $18 Nxh4 40. Re5+ Kf7 41. Rxe4) 39... Kf5 $11 {
And now ...f3+ would win.} 40. Rh5+ $2 (40. f3 $11 exf3+ 41. Kf2 (41. Kxf3 Rd3+
42. Kg2 a5 $14)) 40... Ke6 $18 {Black hopes to continue with ...Rd3. Black is
on the road to losing.} 41. Rg5 Nxh4 42. Re5+ Kf7 {intending ...Re8.} 43. Rxe4
Ng6 44. Kf3 Rd6 45. Rc4 Ke6 46. Ke4 Rb6 47. Bd4 Rd6 48. Rc7 Nh4 49. b4 Nf5 $2 (
49... Nf3 50. Bc5 (50. Kxf3 Rxd4 51. Rc6+ Ke7 $16) 50... Nd2+ 51. Kxf4 Rd7) 50.
Bc5 {White is clearly winning.} Rd2 51. Rc6+ {[%mdl 64] Double Attack} Kd7 52.
Rxa6 Nh4 53. Kxf4 Ng2+ 54. Ke4 Ne1 55. b5 Rb2 56. Ra7+ Kc8 57. a4 {Weighted
Error Value: White=0.22/Black=0.17} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.6"]
[White "Vachier-Lagrave, Maxime"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2860"]
[BlackElo "2761"]
[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 15,67,69,85,75,147,82,74,80,133,138,117,125,128,109,147,126,126,132,133,
147,130,114,119,127,141,102,108,102,108,0,156,163,152,147,159,120,170,174,222,
231,243,234,288,281,268,227,302,282,303,304,512,446,643,616]} 1. e4 {Blatny,P}
e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 O-O 8. O-O-O
Re8 {The main line 8...Re8 scores better than 8...Nc6.} 9. f3 {C41: Philidor
Defence.} d5 (9... Nc6 $142) 10. Nb3 (10. exd5 $142 Nxd5 11. Bg5) 10... c6 $16
11. Bh6 {[#] White is better.} a5 $146 (11... Bh8 $142) ({Predecessor:} 11...
Bh8 12. exd5 cxd5 13. Nxd5 Nc6 14. Nc3 Qb6 15. Bc4 Ne5 16. Bb5 Bd7 17. Bxd7
Nfxd7 18. Rhe1 Nf8 19. Nd5 Qa6 20. Kb1 Rac8 21. Qb4 Qc6 22. Qxf8+ Rxf8 23. Ne7#
{1-0 (23) Van Mil,J (2435)-Reinderman,D (2435) Wijk aan Zee 1993 CBM 040 
[Blatny,P]}) 12. Bxg7 (12. exd5 $6 a4 $11) 12... Kxg7 13. a4 Be6 14. g4 Qb6 15.
g5 (15. exd5 $6 Nxd5 16. Nd4 (16. Nxd5 Bxd5 17. Bc4 Bxc4 $11) 16... Qb4 $14)
15... Nh5 16. exd5 cxd5 17. Nxd5 Bxd5 18. Qc3+ Kg8 {[#] Strongly threatening ..
.Nc6.} 19. Rxd5 Nc6 {And now ...Nb4 would win.} 20. Rb5 Qf2 {( -> ...Re1+)} 21.
Bc4 Rac8 22. Qd2 (22. Nxa5 $2 Nxa5 23. Rxa5 {[#]} Rxc4 $1 $19 {[%mdl 512]}) (
22. Rxb7 $2 Ne5 $19) (22. Kb1 $16) 22... Qxd2+ $2 (22... Qh4 $11 23. Bd5 Rcd8)
23. Nxd2 Re7 24. c3 Nf4 25. Kc2 Kg7 26. Rg1 Rd8 {With the idea ...Ne5.} 27. Rg4
Nh3 28. Re4 Red7 29. Nb3 Ng1 30. Re3 ({Much less strong is} 30. Nxa5 $6 Nxa5
31. Rxa5 Nxf3 $18) 30... Ne7 31. Nd4 ({Less strong is} 31. Nxa5 Rd2+ 32. Kb3
Nf5 $16) ({But not} 31. Rxa5 $6 Nf5 $18) 31... Rc7 32. Kb3 b6 $2 (32... Nh3 {
is a better defense.} 33. Rxa5 Rxd4) 33. Rxb6 Rxc4 (33... Rxd4 $142 34. cxd4
Nf5) 34. Rxe7 {Weighted Error Value: White=0.19/Black=0.44} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.7"]
[White "Firouzja, Alireza"]
[Black "Grandelius, Nils"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2703"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "117"]
[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 12,117,2,3,9,-18,0,-14,6,0,0,-29,-16,-9,-15,-14,11,-29,-27,-28,-28,-29,
-31,-51,-26,-75,-42,-47,-36,-36,-35,-46,-14,-50,-49,-58,-41,-57,-25,-25,-23,
-15,-1,-38,-33,-30,-29,-26,-32,-34,-34,-43,-20,-17,0,-23,0,-29,-16,-48,-41,-44,
-11,-43,-8,-6,8,8,8,8,39,40,43,45,45,41,29964,29965,29967,29962,29961,29962,
29964,29968,29969,29970,29970,29969,1200,0,29969,29971,29981,29982,29982,29983,
29982,29983,29983,29984,29984,29985,29985,29986,29988,29989,29989,29990]} 1. d4
Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 b6 6. Be2 Bb7 7. O-O c5 {A48: 1 d4
Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 8. a4 $5 {[%mdl 4] [#] A
promising side line.} cxd4 $146 ({Predecessor:} 8... Nc6 9. Na3 d6 10. Nc4 Rc8
11. c3 cxd4 12. exd4 d5 13. Ncd2 Ne4 14. Nxe4 dxe4 15. Nd2 e5 16. Nxe4 Nxd4 17.
Bd3 Nxb3 {0-1 (17) Olivares Canelles,F (2358)-Fuentes Dominguez,F (2239) San
Nicolas de Bari 2009}) 9. exd4 a6 {The position is equal.} 10. c4 d5 11. a5
dxc4 12. bxc4 b5 13. Nbd2 Ne4 14. Nb3 bxc4 15. Bxc4 Nd6 16. Bd3 Bd5 17. Ne5 Nc6
18. Bc3 Nxe5 19. dxe5 Ne4 20. Bxe4 Bxe4 21. Nc5 Bc6 22. Qxd8 Rfxd8 23. Rfd1 {
White wants to play Rxd8+.} Bb5 24. f4 Rxd1+ 25. Rxd1 Rc8 26. Bb4 Bf8 27. e6
Bg7 28. Kf2 fxe6 29. Nxe6 Bf6 30. Nc5 Kf7 31. Ke3 h5 32. g3 Ke8 33. Rc1 Kf7 34.
Rc2 Rc6 35. h3 Rc8 36. Rd2 Ke8 37. g4 hxg4 (37... Bf1 {feels hotter.} 38. Ne4
Bg7 39. Ng5 Rb8 40. Bc5 Rb3+) 38. hxg4 Rd8 (38... Bg7 {is more complex.} 39.
Ne6 Ba1 40. g5 Bc4 41. Nd4 Bf7) 39. Rxd8+ Kxd8 $11 {[%mdl 4096] Endgame KBB-KBN
} 40. Ne6+ Ke8 41. Nc7+ Kd7 42. Nxb5 axb5 $14 {KB-KB} 43. g5 Bg7 {[%mdl 8192] 
[#] White now steadily converts the win.} (43... Bb2 $14) 44. Bxe7 $1 {[%mdl
512]} Kc6 (44... Bb2 45. Ke4) 45. Bb4 Kd5 46. a6 Kc6 {[#]} 47. Bc5 $1 {[%mdl
512]} Bb2 {[#]} 48. Ke4 $1 Bc1 (48... Bc3 49. Bd4) 49. Be3 Bb2 50. Bc5 Bc1 $1 {
[#]} ({But not} 50... Kxc5 $2 51. a7 $18) 51. Ke5 $1 {White mates.} Bd2 {[#]} (
51... Bb2+ 52. Bd4) 52. f5 $1 gxf5 {[#]} 53. g6 $1 Bh6 54. Kxf5 Bg7 {[#]} 55.
Ke6 $1 Bc3 {[#]} (55... Kc7 56. Kf7) 56. Kf7 $1 Kc7 57. Be7 Kb6 58. Bf6 b4 59.
g7 {Weighted Error Value: White=0.17/Black=0.21} 1-0

[Event "Magnus Carlsen Invitational 2021"]
[Site "Online"]
[Date "2021.03.10"]
[Round "5.8"]
[White "Carlsen, Magnus"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2881"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "169"]
[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 11,169,29,26,-4,3,-13,6,-10,-14,-16,-6,-2,0,-10,-10,-15,0,0,16,-7,12,0,
2,0,0,0,0,0,0,0,10,18,8,8,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,33,35,
33,11,39,39,87,58,140,106,105,58,58,58,58,59,139,139,180,139,180,180,180,181,
191,203,203,203,483,483,534,527,522,504,537,483,467,482,467,85,85,73,73,73,73,
73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,
73,73,73,73,73,73,21,59,51,343,187,420,417,299,304,456,433,572,266,536,505,
1417,1408,1366,1262,1240,1182,970,587,1249,1215,1001,815]} 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Bxc6 (6. c3 d6 7. Nbd2 O-O 8. Nf1 d5 9. Qe2
b5 10. Bb3 d4 11. Ng3 a5 12. a3 Rb8 13. O-O dxc3 14. bxc3 b4 15. Ba4 Rb6 16.
Bxc6 Rxc6 17. cxb4 axb4 18. axb4 Bxb4 19. Nxe5 {1-0 (42) Carlsen,M (2863)
-Anton Guijarro,D (2703) chess24.com INT 2020}) 6... dxc6 7. Nc3 {C77: Ruy
Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} Qe7 8. h3 Nd7 (8... Bd6 {with more
complications.} 9. O-O Be6 10. Be3 O-O-O 11. Na4 Nd7) 9. Be3 {The position is
equal.} Bxe3 10. fxe3 {[#]} Nb6 $146 ({Predecessor:} 10... a5 11. O-O O-O 12.
Kh1 Re8 13. Qe1 Nf8 14. Nh4 Qg5 15. Qf2 Be6 16. Nf3 Qf6 {0-1 (47) Tifferet,S 
(2274)-Kantor,G (2527) Batumi 2018}) 11. a4 a5 12. Qd2 Bd7 13. b3 Nc8 14. g4 h5
15. O-O-O Nd6 16. Ne2 (16. d4 {with more complications.} hxg4 17. hxg4 Rxh1 18.
Rxh1 O-O-O 19. Nxe5 f6 20. Nxd7 Nxe4 21. Nxe4 Qxe4 22. Rh5) 16... b6 17. Qc3 f6
18. Ng3 hxg4 19. hxg4 O-O-O 20. Nf5 Bxf5 21. gxf5 Kb7 22. Kb2 Qf7 23. Nd2 g6
24. fxg6 Qxg6 25. Nc4 Nxc4+ 26. Qxc4 Qg5 27. Rhf1 Rd6 28. Rf3 Qg7 29. Rdf1 Rh2
30. Qc3 Re2 31. R1f2 Rxf2 32. Rxf2 $11 {[%mdl 4096] Endgame KQR-KQR} Qg3 33.
Qd2 Qg5 34. Rg2 Qh6 35. Rh2 Qg5 36. Qf2 Qg6 37. Rh8 Qg5 (37... Qg7 $14 38. Qh4
Rd7) 38. Qf3 Qg7 39. Qh3 {Qc8+ would kill now.} (39. Qh5 {keeps more tension.}
Qe7 40. Rh7 Qf8 41. Qg6 b5 42. Rg7) 39... Rd7 40. Re8 Qh7 41. Qf5 Qxf5 (41...
Qg7 $1 $14) 42. exf5 $14 {KR-KR} b5 43. Kc3 Kb6 44. Rf8 Rd6 45. Rf7 Kb7 46. Kb2
Kb6 {[#]} 47. Ka3 $1 Kb7 $2 {[#]} (47... b4+ 48. Kb2 Kb7) 48. b4 $1 $18 axb4+
49. Kxb4 bxa4 50. Kxa4 Kb6 51. Kb4 Kb7 52. Kc4 Kb6 53. c3 $2 (53. Rf8 $18 {
has better winning chances. Strongly threatening Rb8+.} c5 54. Ra8) 53... c5
$16 54. e4 Kc6 55. Rf8 Kb6 56. Ra8 Rd7 57. Re8 {Hoping for Re6+.} Rd6 58. Re7
Kc6 59. Rf7 Kb6 60. Kb3 Kc6 61. Kc2 Kb6 62. c4 Kb7 63. Kd2 Kc8 64. Ke2 Kd8 65.
Ke3 Kc8 66. Rf8+ Kd7 67. Rh8 (67. Kd2 {is more complex.} Ra6 68. Rf7+ Kc8 69.
Rg7 Rd6 70. Rh7) 67... Ke7 68. Ra8 Kd7 69. Ra5 Kc6 70. Ra3 Kd7 71. Kf3 Ke7 72.
Kg4 (72. Ke2 $16) 72... Kf7 73. Kh5 Rd8 $2 {[%mdl 8192] A mistake that costs
the game.} (73... Kg7 $14) 74. Ra7 (74. Ra5 $142) 74... Rh8+ $2 (74... Rc8 75.
Rb7 Rh8+ 76. Kg4 Rg8+ 77. Kf3 Rc8) 75. Kg4 $18 Rc8 76. Ra5 Ke7 (76... Kg7 $142
77. Rxc5 c6) 77. Rxc5 c6 78. Kf3 (78. Ra5 $142 {And now Ra7+ would win.} Rh8
79. c5) 78... Kd6 $2 (78... Rd8) 79. Ra5 {White is clearly winning.} Rh8 (79...
Rc7 $142 80. c5+ Ke7) 80. c5+ Kc7 81. Ra7+ Kb8 82. Rf7 Rh6 83. Ke3 Kc8 84. Kd2
Kd8 85. Kc3 {Weighted Error Value: White=0.20/Black=0.15} 1-0

