[Event "GCT 9th Sinquefield Cup 2022"]
[White "Nepomniachtchi,Ian"]
[Black "Firouzja,Alireza"]
[Site "Saint Louis"]
[Round "2.1"]
[Annotator "TA"]
[Result "1-0"]
[Date "2022.09.03"]
[WhiteElo "2792"]
[BlackElo "2778"]
[PlyCount "99"]
[TimeControl "60"]

{[%evp 11,99,30,47,0,0,0,0,0,0,0,0,0,0,0,5,0,7,8,8,0,0,0,23,14,19,0,0,0,33,41,35,32,43,43,43,41,35,32,35,31,35,23,87,74,104,95,89,92,103,77,116,111,119,83,168,167,170,158,281,262,311,308,270,324,378,357,489,468,666,654,643,627,992,994,911,887,1509,1469,1510,1000,1497,1645,12837,9531,29942,12817,4614,4614,29982,29976]} 1. d4 {[%emt 0:0:8]} Nf6 {[%emt 0:0:11]} 2. c4 {[%emt 0:0:6]
} e6 {[%emt 0:0:8]} 3. Nf3 {[%emt 0:0:8]} d5 {[%emt 0:0:7]} 4. g3 {[%emt 0:0:6]
} dxc4 {[%emt 0:1:37]} 5. Bg2 {[%emt 0:0:22]} a6 {[%emt 0:0:0]} 6. O-O {[%emt 0:0:35]} Nc6 {[%emt 0:0:16]} 7. Qc2 {[%emt 0:0:45] E04:
Open Catalan: 5 Nf3.} (7. e3 $14 {feels stronger.} )Nxd4 $11 {[%emt 0:0:0]} 8. Nxd4 {[%emt 0:0:28]} Qxd4 {[%emt 0:0:6]} 9. Nd2 {[%emt 0:0:19] The
position is equal.} c3 {[%emt 0:5:35]} 10. bxc3 {[%emt 0:0:27]} Qc5 {[%emt 0:0:0]} 11. Ne4 {[%emt 0:5:48]} Nxe4 {[%emt 0:1:39]} 12. Bxe4 {[%emt 0:0:8]
} Bd6 {[%emt 0:9:0]} 13. Rb1 {[%emt 0:3:1]} f5 {[%emt 0:32:26] [#]} 14. Bg2 $146 {[%emt 0:17:12]} ({Predecessor:} 14. Be3 Qc4 15. Bd3 Qc6 16. c4 b6 17. c5 bxc5 18. Rfc1 O-O 19. Rb3 Bb7 20. f3 {1-0 (41) Muthaiah,A (2427)-Joshi,G (2121)
Bhubaneswar 2019} )O-O {[%emt 0:1:33]} 15. Be3 {[%emt 0:3:54]} Qa5 {[%emt 0:3:32]
} 16. c4 {[%emt 0:4:6]} f4 {[%emt 0:0:46]} 17. Bd4 {[%emt 0:0:0]} Be5 {[%emt 0:5:38]} 18. Qb2 {[%emt 0:5:9]} Bxd4 {[%emt 0:0:22]} 19. Qxd4 {[%emt 0:0:6]} e5 {[%emt 0:2:38]} 20. Qd5+ {[%emt 0:4:3]} Qxd5 {[%emt 0:0:21]
} 21. Bxd5+ {[%emt 0:0:3]} Kh8 {[%emt 0:0:9]} 22. Bxb7 {[%emt 0:0:4]
} Rb8 {[%emt 0:1:11]} 23. Bxc8 {[%emt 0:0:36]} Rfxc8 $14 {[%emt 0:0:6]
 Endgame KRR-KRR} 24. Rfd1 {[%emt 0:2:38]} Kg8 {[%emt 0:1:29]
} 25. Rxb8 {[%emt 0:3:37]} Rxb8 {[%emt 0:0:7] KR-KR} 26. Rd5 {[%emt 0:0:2]
} Rb4 {[%emt 0:6:53]} (26... fxg3 $11 {remains equal.} 27. fxg3 Rb4 )27. Rxe5 $16 {[%emt 0:2:17]} fxg3 {[%emt 0:1:35]} 28. hxg3 {[%emt 0:0:0]} Rxc4 {[%emt 0:0:8] [#]} 29. Ra5 $1 {[%emt 0:0:5]} Rc6 {[%emt 0:0:19]} 30. Kg2 {[%emt 0:1:38]} Kf7 {[%emt 0:0:55]} 31. f4 {[%emt 0:0:23][%cal Yf2f4,Yf4f5]} Ke7 {[%emt 0:4:5]} 32. e4 {[%emt 0:0:18]} Rb6 {[%emt 0:2:39]
} (32... h6 $16 )33. Kf3 $18 {[%emt 0:0:26]} Rc6 {[%emt 0:0:53]
} 34. f5 {[%emt 0:2:17]} Kf7 {[%emt 0:4:4]} (34... Kf6 $16 )35. g4 {[%emt 0:0:0]} h6 {[%emt 0:1:18]} 36. Kf4 {[%emt 0:1:18]} Ke7 {[%emt 0:0:31]} 37. Ra4 {[%emt 0:0:53]} Rb6 {[%emt 0:4:19]} 38. Rc4 {[%emt 0:0:30] Against Rc6} Kd8 {[%emt 0:5:41]} 39. e5 {[%emt 0:0:39]} Rb1 {[%emt 0:0:54]} (39... Rb7 $142 40. g5 hxg5+ 41. Kxg5 Ke8 )40. Rc6 {[%emt 0:6:32]} Rb4+ {[%emt 0:0:50]} 41. Kf3 {[%emt 0:30:12] [#] Black must now prevent Rg6.} Rb5 {[%emt 0:16:9]} 42. Ke4 {[%emt 0:0:0]} Rb4+ {[%emt 0:0:46]} 43. Kd5 {[%emt 0:0:0]} Rxg4 {[%emt 0:0:44]
} 44. Ke6 {[%emt 0:0:0]} Kc8 {[%emt 0:8:22]} 45. Rxa6 {[%emt 0:0:0]
} Kb7 {[%emt 0:2:24]} 46. Ra3 {[%emt 0:0:0] Strongly
threatening Kf7.} Rg2 {[%emt 0:0:16]} 47. Kf7 {[%emt 0:0:0]} Rf2 {[%emt 0:0:0]} 48. f6 {[%emt 0:0:0]} Kc6 {[%emt 0:1:9]} 49. Kxg7 {[%emt 0:0:0]
White wants to mate with e6.} Kd7 {[%emt 0:0:45]} 50. Kf7 {[%emt 0:0:0]
Weighted Error Value: White=0.05 (flawless) /Black=0.70} 1-0

[Event "GCT 9th Sinquefield Cup 2022"]
[White "Niemann,Hans Moke"]
[Black "Mamedyarov,Shakhriyar"]
[Site "Saint Louis"]
[Round "2.2"]
[Annotator "TA"]
[Result "1-0"]
[Date "2022.09.03"]
[WhiteElo "2688"]
[BlackElo "2757"]
[PlyCount "98"]
[TimeControl "60"]

{[%evp 13,98,0,0,0,0,0,0,0,0,0,0,0,0,0,35,0,27,0,0,0,18,-58,-45,-47,-54,-55,-53,-70,1,0,62,62,62,62,100,82,70,74,61,76,66,56,68,75,72,83,62,69,146,147,121,125,128,112,493,456,702,689,787,759,1183,1048,884,681,1052,12449,12834,12835,12834,12829,12829,12829,12834,12833,12837,12838,12838,12839,12839,12839,12840,12840,12841,12841,12842,12842,12842]} 1. c4 {[%emt 0:0:7]} e5 {[%emt 0:0:35]
} 2. Nc3 {[%emt 0:0:18]} Nf6 {[%emt 0:0:34]} 3. Nf3 {[%emt 0:0:17]} Nc6 {[%emt 0:0:21]
} 4. e4 {[%emt 0:0:37]} Bc5 {[%emt 0:0:53]} 5. Nxe5 {[%emt 0:0:0]} Nxe5 {[%emt 0:0:4]} 6. d4 {[%emt 0:0:8]} Bb4 {[%emt 0:0:2]} 7. dxe5 {[%emt 0:0:12]} Nxe4 $1 {[%emt 0:0:3]} 8. Qf3 $1 {[%emt 0:1:16] is currently scoring better than 8.Qd4. A28: English Opening: Four Knights
Variation.} Nxc3 {[%emt 0:0:9]} 9. bxc3 {[%emt 0:0:6]} Ba5 {[%emt 0:0:10]} 10. Bf4 {[%emt 0:0:18] The position is equal.} O-O {[%emt 0:0:12]} 11. O-O-O {[%emt 0:0:20]} Qe7 {[%emt 0:0:8] [#] And now ...Qa3+ would win.} 12. Kb2 {[%emt 0:0:21]
 Against Qa3+} Rb8 {[%emt 0:0:5]} 13. Qe3 {[%emt 0:0:6] [#]} b6 $146 {[%emt 0:13:11]} ({Predecessor:} 13... b5 14. c5 b4 15. c4 Bb7 16. h4 b3 17. a3 f6 18. Rh3 fxe5 19. Bxe5 d6 20. cxd6 cxd6 {1-0 (44) Nepomniachtchi,I
(2784)-Xiong,J (2709) Chess.com INT 2020} )14. Bd3 {[%emt 0:14:9]} Qe6 {[%emt 0:2:11]
} 15. Qg3 {[%emt 0:22:21]} Re8 {[%emt 0:4:26]} 16. Rhe1 {[%emt 0:19:38]
} b5 {[%emt 0:0:49]} 17. c5 {[%emt 0:16:0]} (17. cxb5 $11 g6 18. Re4 )b4 $15 {[%emt 0:1:4]} 18. c4 {[%emt 0:0:10]} b3 {[%emt 0:0:0]} 19. axb3 {[%emt 0:0:24]} Bxe1 {[%emt 0:0:8]} 20. Rxe1 {[%emt 0:0:4]} a5 {[%emt 0:1:17]} (20... d5 $15 21. cxd6 cxd6 )21. Bd2 {[%emt 0:2:47] A
strong pair of Bishops.} Ba6 {[%emt 0:12:55]} ({Black should play} 21... Qe7 $11 )22. Qh4 $14 {[%emt 0:0:7] Dancing on a razor blade.} g6 {[%emt 0:0:17]} 23. Qd4 {[%emt 0:2:30]} ({But not} 23. Bxa5 Qc6 24. e6 dxe6 $11 )Rb7 {[%emt 0:3:37]
} 24. Bxa5 {[%emt 0:5:12]} Reb8 {[%emt 0:2:14]} 25. b4 {[%emt 0:0:31]
 Active counter play!} Rxb4+ {[%emt 0:0:44]} 26. Bxb4 {[%emt 0:0:0]} Rxb4+ {[%emt 0:0:9]} 27. Kc3 $1 {[%emt 0:0:5]} Rb8 {[%emt 0:2:42]} 28. Be4 {[%emt 0:5:52]} Qe8 {[%emt 0:3:56]} 29. Bd5 {[%emt 0:5:25]} Bb7 {[%emt 0:3:45]
} 30. Rb1 $36 {[%emt 0:1:22] White has the
initiative.} Ba8 {[%emt 0:0:36]} (30... Bxd5 $14 31. Rxb8 Qxb8 32. cxd5 c6 )31. Rxb8 $16 {[%emt 0:1:22]} Qxb8 {[%emt 0:0:1]} 32. Bxa8 {[%emt 0:2:47]} Qxa8 {[%emt 0:0:4]} 33. Qxd7 {[%emt 0:0:21] Endgame KQ-KQ} Qa1+ $2 {[%emt 0:0:18] [#] Black cannot hold the game after this.} (33... Qa5+ $16 {is tougher.} 34. Kd3 Qxc5 )34. Kb4 $18 {[%emt 0:0:46] White
is clearly winning.} Qxe5 {[%emt 0:0:4]} (34... Qb2+ $142 35. Ka5 Qxe5 )35. Kb5 {[%emt 0:0:46]} h5 {[%emt 0:5:59]} 36. Kc6 {[%emt 0:0:27]} Qxh2 {[%emt 0:0:7]
} 37. Qd8+ {[%emt 0:0:14]} Kh7 {[%emt 0:10:4]} 38. Qf6 {[%emt 0:0:53]
} Qxg2+ {[%emt 0:0:8]} 39. Kxc7 {[%emt 0:0:3]} Qe4 {[%emt 0:0:0]} 40. Qxf7+ {[%emt 0:0:57]} Kh6 {[%emt 0:0:3]} 41. Qd5 {[%emt 0:6:6]
} Qe7+ {[%emt 0:6:8]} 42. Kb6 {[%emt 0:1:28]} Qf6+ {[%emt 0:2:32]} 43. c6 {[%emt 0:0:12][%cal Yc5c6,Yc6c7]
} Qxf2+ {[%emt 0:0:5]} 44. Kb7 {[%emt 0:3:25]
} Qb2+ {[%emt 0:0:19]} 45. Qb5 {[%emt 0:0:32]} Qg2 {[%emt 0:0:0]} 46. Kb8 {[%emt 0:1:58]} h4 {[%emt 0:0:4]} 47. c7 {[%emt 0:0:12]} Qg3 {[%emt 0:0:4]
} 48. Kb7 {[%emt 0:2:2]} Qf3+ {[%emt 0:0:32]} 49. Qd5 {[%emt 0:1:37]
} Qb3+ {[%emt 0:0:4] Weighted Error Value: White=0.06 
(flawless) /Black=0.35} 1-0

[Event "GCT 9th Sinquefield Cup 2022"]
[White "Aronian,Levon"]
[Black "Carlsen,Magnus"]
[Site "Saint Louis"]
[Round "2.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2022.09.03"]
[WhiteElo "2759"]
[BlackElo "2861"]
[PlyCount "72"]
[TimeControl "60"]

{[%evp 14,72,13,14,26,25,24,25,19,16,28,23,19,6,12,0,6,0,6,0,0,0,0,0,0,0,6,4,8,-8,-16,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:0:5]
} Nf6 {[%emt 0:1:11]} 2. c4 {[%emt 0:0:7]} e6 {[%emt 0:0:6]} 3. Nf3 {[%emt 0:0:4]} Bb4+ {[%emt 0:0:5]} 4. Bd2 {[%emt 0:0:50]} Bxd2+ {[%emt 0:0:11]
} 5. Qxd2 {[%emt 0:0:17]} d5 {[%emt 0:0:19]} 6. Nc3 {[%emt 0:0:0]} O-O {[%emt 0:1:3]} 7. e3 {[%emt 0:0:4]} Qe7 {[%emt 0:0:34]} 8. Rc1 {[%emt 0:1:5]} dxc4 {[%emt 0:3:45] E11: Bogo-Indian.} (8... Rd8 9. Qc2 a6 10. a3 Nbd7 11. Be2 dxc4 12. Bxc4 c5 13. Be2 b5 14. dxc5 Qxc5 15. b4 Qe7 16. O-O Bb7 17. a4 Qxb4 18. axb5 axb5 19. Qb1 Qxb1 20. Rxb1 Bxf3 21. Bxf3 {½-½ 
(31) Aronian,L (2809)-Carlsen,M (2872) London 2013 CBM 154 [Marin,M]} )9. Bxc4 {[%emt 0:0:20]} c5 {[%emt 0:0:12]} 10. dxc5 {[%emt 0:5:32]} Rd8 {[%emt 0:0:0] Prevents Qd6. White has an edge.} 11. Qe2 {[%emt 0:9:24]} Qxc5 {[%emt 0:0:0]} 12. O-O {[%emt 0:0:10]} Nc6 {[%emt 0:2:4] [#]} 13. Bb3 $146 {[%emt 0:7:18][%cal Yc3d5,Yc4b3,Yb3d1,Yd1f3,Yf3e4]
 The position is
equal.} ({Predecessor:} 13. Rfd1 Bd7 14. Bd3 Qh5 15. Ne4 Nxe4 16. Bxe4 Be8 17. Rxd8 Rxd8 18. Rd1 Rxd1+ 19. Qxd1 {½-½ (30) Megaranto,S (2529)-Antonio,R 
(2541) Tagaytay City 2013} )Qa5 {[%emt 0:13:36] Inhibits Nd5.} 14. Qc4 {[%emt 0:9:9]
} Ne5 {[%emt 0:4:46]} 15. Nxe5 {[%emt 0:1:29]} Qxe5 {[%emt 0:0:0]} 16. Bd1 {[%emt 0:4:7]} Bd7 {[%emt 0:1:1]} 17. Bf3 {[%emt 0:0:9]} Rac8 {[%emt 0:3:24]} 18. Qb4 {[%emt 0:1:21]} b6 {[%emt 0:0:59]} 19. Rfd1 {[%emt 0:0:16]
} Qc5 {[%emt 0:6:45]} 20. Qxc5 {[%emt 0:0:48]} Rxc5 {[%emt 0:0:0]} 21. Ne4 {[%emt 0:0:29]} Nxe4 {[%emt 0:0:10]} 22. Bxe4 {[%emt 0:0:3]
[#] Strongly threatening Rxc5.} Rxc1 {[%emt 0:0:10]} 23. Rxc1 {[%emt 0:0:5]} Rc8 {[%emt 0:0:6]} 24. Rxc8+ {[%emt 0:0:8]} Bxc8 $11 {[%emt 0:0:2] Endgame KB-KB} 25. f4 {[%emt 0:0:13]} h6 {[%emt 0:0:9]} 26. Kf2 {[%emt 0:0:6]
} Kf8 {[%emt 0:0:6]} 27. Ke1 {[%emt 0:0:10]} Ke7 {[%emt 0:0:0]} 28. Kd2 {[%emt 0:0:4]} Kd6 {[%emt 0:0:5]} 29. g3 {[%emt 0:0:6]} e5 {[%emt 0:0:6]
} 30. a3 {[%emt 0:0:4]} f6 {[%emt 0:0:10]} 31. Kc3 {[%emt 0:0:0]} Kc5 {[%emt 0:0:16]} 32. b4+ {[%emt 0:0:6]} Kd6 {[%emt 0:0:5]} 33. Kc4 {[%emt 0:0:12]} Ba6+ {[%emt 0:0:6]} 34. Kc3 {[%emt 0:0:3]} Bc8 {[%emt 0:0:5]
} 35. Kc4 {[%emt 0:0:4]} Ba6+ {[%emt 0:0:7]} 36. Kc3 {[%emt 0:0:4]
} Bc8 {[%emt 0:0:5] A balanced but interesting game.  Weighted
Error Value: White=0.03 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "GCT 9th Sinquefield Cup 2022"]
[White "Vachier-Lagrave,Maxime"]
[Black "So,Wesley"]
[Site "Saint Louis"]
[Round "2.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2022.09.03"]
[WhiteElo "2757"]
[BlackElo "2771"]
[PlyCount "86"]
[TimeControl "60"]

{[%evp 18,86,25,12,25,15,20,18,17,10,10,10,10,10,7,6,9,9,7,0,21,22,20,23,14,19,19,14,20,13,35,35,35,35,35,44,40,46,47,35,74,17,35,35,35,35,35,35,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,0,43,0,43,0,43,0,43]} 1. e4 {[%emt 0:0:2]} e5 {[%emt 0:0:11]} 2. Nf3 {[%emt 0:0:3]} Nc6 {[%emt 0:0:20]} 3. Bb5 {[%emt 0:0:2]
} Nf6 {[%emt 0:0:21][%cal Yg8f6,Yf6e4,Ye4d6,Yd6f5,Yf5h4]} 4. O-O {[%emt 0:0:8]} Nxe4 {[%emt 0:0:7]} 5. d4 {[%emt 0:0:5]} Nd6 {[%emt 0:0:18]
} 6. Bxc6 {[%emt 0:0:4]} dxc6 {[%emt 0:0:5]} 7. dxe5 {[%emt 0:0:3]
} Nf5 {[%emt 0:0:6]} 8. Qxd8+ {[%emt 0:0:3]} Kxd8 {[%emt 0:0:0]} 9. Nc3 {[%emt 0:0:9][%cal Yb1c3,Yc3e2,Ye2d4]} Ke8 {[%emt 0:0:0]} 10. h3 {[%emt 0:0:9]} h5 {[%emt 0:0:6] C67: Ruy Lopez: Berlin
Defence: 4 0-0 Nxe4.} 11. Bf4 {[%emt 0:0:58]} Be7 {[%emt 0:0:8]} 12. Rad1 {[%emt 0:0:47]
} Nh4 {[%emt 0:0:20] aiming for ...Nxf3+.} 13. Nd4 {[%emt 0:0:0][%cal Ye5e6]} Nf5 {[%emt 0:2:29]} 14. Nce2 {[%emt 0:1:7]} g5 {[%emt 0:0:0] [#] White must now prevent ...Nxd4.} 15. Bh2 {[%emt 0:0:9]} Rh6 {[%emt 0:0:0]} 16. Rfe1 {[%emt 0:2:40]} Rg6 {[%emt 0:4:25]} 17. Nxf5 {[%emt 0:6:52]
} Bxf5 {[%emt 0:0:7]} 18. Nd4 {[%emt 0:0:5]} Bd7 {[%emt 0:3:42]} (18... Be6 $5 )19. e6 {[%emt 0:0:40]} Bxe6 {[%emt 0:3:59] [#]} 20. Nxe6 $146 {[%emt 0:7:39]
} (20. Bxc7 {seems wilder.} Bd7 21. Re5 Rc8 22. Ba5 )({
Predecessor:} 20. Bxc7 Bd7 21. Re5 Kf8 22. Nf5 Bxf5 23. Rxf5 {½-½ (23)
Shpakovsky,A (2531)-Voll,A (2572) ICCF email 2015} )Rxe6 {[%emt 0:0:10]} 21. Rxe6 {[%emt 0:0:6]} fxe6 {[%emt 0:0:5]} 22. Bxc7 $11 {[%emt 0:0:8]
 Endgame KRB-KRB} Bf6 {[%emt 0:0:5]} 23. Kf1 {[%emt 0:16:24]} a5 {[%emt 0:7:34]
} 24. a4 {[%emt 0:3:41]} b5 {[%emt 0:12:22]} 25. b3 {[%emt 0:0:0]} Ra7 {[%emt 0:5:51]} 26. Bb6 {[%emt 0:1:35]} Rb7 {[%emt 0:1:6]} 27. Bxa5 {[%emt 0:0:8]} bxa4 {[%emt 0:0:4]} 28. bxa4 {[%emt 0:0:9] Threatens
to win with Rd6.} Rb2 {[%emt 0:0:23]} 29. c3 {[%emt 0:6:28]} (29. Ke2 $16 )Ra2 {[%emt 0:6:35]} 30. Rd6 {[%emt 0:5:5][%csl Yc6,Ye6]} Rxa4 {[%emt 0:5:31]
} 31. Bb4 {[%emt 0:0:12]} ({Not} 31. Rxe6+ $2 Kf7 32. Rxf6+ Kxf6 $19 )c5 {[%emt 0:0:31]} 32. Bxc5 {[%emt 0:0:7]} Bxc3 {[%emt 0:0:22]} 33. Rxe6+ {[%emt 0:0:10]} Kf7 {[%emt 0:0:3]} 34. Re7+ {[%emt 0:3:5]} Kf6 {[%emt 0:4:57]
} 35. Rc7 {[%emt 0:1:26] And now Be7+ would win.} Bd4 {[%emt 0:0:0] [#]} 36. Ra7 $1 {[%emt 0:0:22]} Rc4 {[%emt 0:0:29]} 37. Ra6+ {[%emt 0:0:0]} Kf7 {[%emt 0:1:55]} 38. Bxd4 {[%emt 0:0:10]} Rxd4 $14 {[%emt 0:0:3]
KR-KR} 39. Ra7+ {[%emt 0:0:44]} Kg6 {[%emt 0:0:6]} 40. Ra6+ {[%emt 0:0:3]} Kg7 {[%emt 0:0:5]} 41. Ra7+ {[%emt 0:30:9]} Kg6 {[%emt 0:30:3]} 42. Ra6+ {[%emt 0:0:2]
} Kg7 {[%emt 0:0:3]} 43. Ra7+ {[%emt 0:0:3]} Kg6 {[%emt 0:0:0] Weighted Error Value: White=0.10 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "GCT 9th Sinquefield Cup 2022"]
[White "Caruana,Fabiano"]
[Black "Dominguez Perez,Leinier"]
[Site "Saint Louis"]
[Round "2.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2022.09.03"]
[WhiteElo "2758"]
[BlackElo "2745"]
[PlyCount "92"]
[TimeControl "60"]

{[%evp 13,92,12,15,0,16,0,12,25,10,0,0,-4,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,187,35,101,102,140,95,225,196,272,25,34,25,25,25,25,25,25,25,26,22,35,0,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:0:4]} e5 {[%emt 0:0:6]} 2. Nf3 {[%emt 0:0:3]} Nf6 {[%emt 0:0:7]} 3. Nxe5 {[%emt 0:0:5]
} d6 {[%emt 0:0:6]} 4. Nf3 {[%emt 0:0:4]} Nxe4 {[%emt 0:0:0]} 5. Nc3 {[%emt 0:0:3]} Nxc3 {[%emt 0:0:8]} 6. dxc3 {[%emt 0:0:4]} Be7 {[%emt 0:0:8]} 7. Be3 {[%emt 0:0:4]} O-O {[%emt 0:0:8]} 8. Qd2 {[%emt 0:0:0] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 {[%emt 0:0:0]} 9. O-O-O {[%emt 0:0:4]} Nf6 {[%emt 0:0:6]} 10. Bd3 {[%emt 0:0:32]} Re8 {[%emt 0:0:7] is cutting edge theory.} 11. h3 {[%emt 0:0:41]} c5 {[%emt 0:1:51]
} 12. g4 {[%emt 0:0:45] [#]} Qa5 $146 {[%emt 0:7:2]} ({
Predecessor:} 12... Be6 13. g5 Nd5 14. h4 Nxe3 15. Qxe3 d5 16. Ne5 Bd6 17. f4 Qc7 18. Qg3 Rad8 {½-½ (33) Pirs,M (2510)-Bondars,G (2423) ICCF email 2017} )13. a3 {[%emt 0:0:17]} d5 {[%emt 0:2:4][%cal Yd6d5,Yd5c4]} 14. c4 {[%emt 0:0:11]
} Qa4 {[%emt 0:2:22]} 15. c3 {[%emt 0:0:8]} dxc4 {[%emt 0:0:0]} 16. Bc2 {[%emt 0:0:5]} Qa6 {[%emt 0:0:40] Strongly threatening ...Be6.} 17. g5 {[%emt 0:1:50]} Nh5 {[%emt 0:1:28]} 18. Ne5 {[%emt 0:0:12][%cal Ye5f7]} Be6 {[%emt 0:3:29]} 19. f4 {[%emt 0:13:2]} Ng3 {[%emt 0:4:6]
Against f5} 20. Rhe1 {[%emt 0:0:5]} Nf5 {[%emt 0:2:29]} 21. Bxc5 {[%emt 0:0:0]} Bxc5 {[%emt 0:27:27]} 22. Bxf5 {[%emt 0:0:13]} Bxf5 {[%emt 0:6:43]} 23. Qd5 {[%emt 0:0:5][%csl Yc4,Yc5,Yf7]} Bf2 {[%emt 0:2:14]} (23... Bxh3 $2 24. g6 (24. Qxc5 Rac8 $11 )Rf8 25. gxf7+ (25. Qxc5 hxg6 26. Rd6 Rfc8 $18 )Kh8 26. Qxc5 $16 )(23... Rxe5 $2 24. Rxe5 g6 25. Qxc5 $18 )24. Qxf7+ {[%emt 0:1:21]} Kh8 {[%emt 0:0:1]} 25. Qxf5 {[%emt 0:9:19]} Bxe1 {[%emt 0:0:0]} 26. Rxe1 {[%emt 0:6:33]} Rf8 $2 {[%emt 0:9:34]} (26... Rad8 $1 $11 {
and Black is okay.} )27. Qe4 $2 {[%emt 0:13:8]} ({White has to play} 27. Qd7 $1 $18 )Rad8 {[%emt 0:9:56]} (27... Qe6 $1 $14 )28. f5 $16 {[%emt 0:0:0] White has strong compensation. White is more active.} b5 {[%emt 0:9:8][%cal Yb5b4]
} 29. Nc6 $1 {[%emt 0:11:40]} ({But not} 29. Qh4 $6 Kg8 $14 )Rc8 {[%emt 0:6:43] [#]} (29... Ra8 $16 )30. Ne7 $1 $18 {[%emt 0:0:41]
 Black must now prevent f6.} ({Weaker is} 30. Nd4 Qd6 $11 )Rce8 {[%emt 0:2:27] [#]} (30... Rcd8 {was necessary.} )31. Qh4 $2 {[%emt 0:0:0]} ({Only move:} 31. f6 $1 $18 {[%cal Rf6g7] White threatens fxg7+ and mate.} Qd6 32. fxg7+ Kxg7 33. Nf5+ Rxf5 34. Qxe8 )Qd6 $11 {[%emt 0:1:8] [#]} 32. Re4 {[%emt 0:17:15] Threatens to win with Ng6+.} Rd8 $1 {[%emt 0:3:12][%csl Gd8][%cal Rd6d1]
} (32... Rxe7 $2 33. g6 h6 34. Qxe7 Qxe7 35. Rxe7 $18 )33. Ng6+ {[%emt 0:1:17]} Kg8 {[%emt 0:0:1][%csl Gd8][%cal Rd6d1]} 34. Rd4 {[%emt 0:0:31]
 Prevents Qd1+. The board is on fire.} hxg6 {[%emt 0:0:31]} 35. Rxd6 {[%emt 0:0:5]} Rxd6 {[%emt 0:0:3]} 36. fxg6 {[%emt 0:0:12]} Rxg6 {[%emt 0:0:37]
 Endgame KQ-KRR} 37. a4 {[%emt 0:0:39]} (37. Qh5 $5 {[%cal Rh5g6]
} Rd6 38. Qe2 $14 )a6 {[%emt 0:0:54]} (37... Rf1+ $11 38. Kd2 (38. Kc2 Re6 $11 )Rd6+ 39. Ke2 Rf8 )38. Qg3 {[%emt 0:6:20]} ({
White should play} 38. Qh5 $1 $14 Rf1+ 39. Kc2 )Re6 {[%emt 0:0:31] The
position is equal.} 39. axb5 {[%emt 0:0:58]} axb5 {[%emt 0:0:24]} 40. g6 {[%emt 0:0:19]
} Rff6 {[%emt 0:1:13]} 41. Qb8+ {[%emt 0:31:47]} Rf8 {[%emt 0:0:0]} 42. Qxb5 {[%emt 0:0:39]} Rf1+ {[%emt 0:0:47]} 43. Kd2 {[%emt 0:0:2]
} Rf2+ {[%emt 0:0:9]} 44. Kd1 {[%emt 0:0:3]} Rf1+ {[%emt 0:0:45]} 45. Kd2 {[%emt 0:0:2]} Rf2+ {[%emt 0:0:14]} 46. Kd1 {[%emt 0:0:2]} Rf1+ {[%emt 0:0:0] Weighted Error Value: White=0.17 (very precise) /Black=0.23 (precise)} 1/2-1/2

