Event: Sinquefield Cup 2021
Site: Saint Louis, United States
Date: 2021-08-20
White: Swiercz, Dariusz
WhiteElo: 2655
Black: Xiong, Jeffery
BlackElo: 2710
Result: 1-0
ECO: B96
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:55] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:31:17] } 2... d6 { [%eval 0.0] [%clk 1:31:09] } 3. d4 { [%eval 0.15] [%clk 1:30:23] } 3... cxd4 { [%eval 0.13] [%clk 1:31:29] } 4. Nxd4 { [%eval 0.0] [%clk 1:30:48] } 4... Nf6 { [%eval 0.14] [%clk 1:31:47] } 5. Nc3 { [%eval 0.18] [%clk 1:31:13] } 5... a6 { [%eval 0.21] [%clk 1:32:08] } 6. Bg5 { [%eval 0.0] [%clk 1:27:42] } 6... e6 { [%eval 0.0] [%clk 1:28:55] } 7. f4 { [%eval 0.0] [%clk 1:28:06] } 7... h6 { [%eval 0.0] [%clk 1:28:40] } 8. Bh4 { [%eval 0.4] [%clk 1:28:15] } 8... Qb6 { [%eval 0.43] [%clk 1:28:49] } 9. a3 { [%eval 0.47] [%clk 1:28:15] } 9... Nbd7 { [%eval 0.46] [%clk 1:28:28] } 10. Bf2 { [%eval 0.52] [%clk 1:21:50] } 10... Qc7 { [%eval 0.44] [%clk 1:28:20] } 11. Bd3 { [%eval 0.1] [%clk 1:22:16] } 11... b5 { [%eval 0.24] [%clk 1:25:27] } 12. Qe2 { [%eval 0.34] [%clk 1:15:52] } 12... Bb7?! { [%eval 1.03] } { Inaccuracy. Nc5 was best. } { [%clk 1:25:22] } 13. O-O-O { [%eval 0.97] [%clk 1:10:59] } 13... Be7 { [%eval 0.8] [%clk 1:23:29] } 14. Kb1 { [%eval 0.91] [%clk 1:05:17] } 14... g6 { [%eval 0.91] [%clk 1:16:27] } 15. Rhe1 { [%eval 1.26] [%clk 0:59:36] } 15... Nc5 { [%eval 1.36] [%clk 1:08:58] } 16. g4 { [%eval 1.02] [%clk 0:43:59] } 16... g5 { [%eval 1.28] [%clk 1:00:00] } 17. fxg5?! { [%eval 0.67] } { Inaccuracy. f5 was best. } { [%clk 0:40:20] } 17... hxg5 { [%eval 0.29] [%clk 0:59:53] } 18. Bg3 { [%eval 0.12] [%clk 0:40:47] } 18... O-O-O?? { [%eval 2.15] } { Blunder. Nfd7 was best. } { [%clk 0:48:50] } 19. Rf1 { [%eval 2.16] [%clk 0:26:59] } 19... Qb6 { [%eval 2.71] [%clk 0:46:36] } 20. Nb3 { [%eval 2.67] [%clk 0:22:49] } 20... Ncd7 { [%eval 3.16] [%clk 0:40:45] } 21. Bf2?! { [%eval 2.05] } { Inaccuracy. a4 was best. } { [%clk 0:20:29] } 21... Qc7 { [%eval 2.02] [%clk 0:40:08] } 22. a4 { [%eval 2.1] [%clk 0:19:15] } 22... bxa4?! { [%eval 3.27] } { Inaccuracy. b4 was best. } { [%clk 0:18:11] } 23. Nxa4 { [%eval 3.15] [%clk 0:19:33] } 23... Qc6? { [%eval 6.2] } { Mistake. Rxh2 was best. } { [%clk 0:16:19] } 24. Nc3? { [%eval 3.53] } { Mistake. Nb6+ was best. } { [%clk 0:19:52] } 24... Rxh2 { [%eval 4.11] [%clk 0:15:41] } 25. Na5 { [%eval 3.94] [%clk 0:20:02] } 25... Qc7 { [%eval 3.94] [%clk 0:16:09] } 26. Nxb7 { [%eval 4.09] [%clk 0:20:18] } 26... Kxb7 { [%eval 3.91] [%clk 0:16:35] } 27. Bxa6+ { [%eval 4.27] [%clk 0:20:36] } 27... Ka8 { [%eval 3.72] [%clk 0:16:59] } 28. Nb5 { [%eval 3.1] [%clk 0:11:55] } 28... Qc6 { [%eval 3.11] [%clk 0:16:55] } 29. Nd4 { [%eval 4.02] [%clk 0:08:19] } 29... Qb6 { [%eval 4.16] [%clk 0:16:14] } 30. Rd3 { [%eval 4.0] [%clk 0:06:55] } 30... Nc5?! { [%eval 5.94] } { Inaccuracy. Qxa6 was best. } { [%clk 0:08:34] } 31. Ra3 { [%eval 6.23] [%clk 0:07:09] } 31... Kb8 { [%eval 6.19] [%clk 0:08:53] } 32. Nf3?? { [%eval 0.88] } { Blunder. Ra5 was best. } { [%clk 0:02:09] } 32... Rxf2 { [%eval 0.87] [%clk 0:08:52] } 33. Qxf2 { [%eval 0.79] [%clk 0:02:36] } 33... Nfxe4? { [%eval 2.0] } { Mistake. Kc7 was best. } { [%clk 0:08:44] } 34. Qe3 { [%eval 2.75] [%clk 0:02:58] } 34... Kc7 { [%eval 2.37] [%clk 0:08:42] } 35. Nd4 { [%eval 2.46] [%clk 0:02:35] } 35... Rb8 { [%eval 2.61] [%clk 0:06:34] } 36. Bb5 { [%eval 3.15] [%clk 0:02:36] } 36... f5 { [%eval 2.87] [%clk 0:04:41] } 37. c4 { [%eval 2.25] [%clk 0:02:06] } 37... d5 { [%eval 2.05] [%clk 0:03:29] } 38. gxf5 { [%eval 2.16] [%clk 0:01:25] } 38... e5 { [%eval 1.64] [%clk 0:03:58] } 39. Nc6 { [%eval 2.62] [%clk 0:01:03] } 39... dxc4 { [%eval 1.93] [%clk 0:03:36] } 40. Nxb8 { [%eval 2.42] [%clk 0:00:43] } 40... Qxb5 { [%eval 2.29] [%clk 0:01:51] } 41. Na6+ { [%eval 2.15] [%clk 0:23:43] } 41... Nxa6 { [%eval 2.25] [%clk 0:29:21] } 42. Rxa6 { [%eval 2.26] [%clk 0:24:06] } 42... c3 { [%eval 2.52] [%clk 0:28:06] } 43. Ra7+ { [%eval 2.59] [%clk 0:23:52] } 43... Kb8 { [%eval 2.56] [%clk 0:23:02] } 44. Ra8+ { [%eval 2.27] [%clk 0:23:58] } 44... Kxa8 { [%eval 2.01] [%clk 0:23:00] } 45. Qxe4+ { [%eval 2.57] [%clk 0:24:24] } 45... Ka7 { [%eval 2.43] [%clk 0:23:19] } 46. Rf2 { [%eval 2.75] [%clk 0:24:13] } 46... Bc5 { [%eval 2.4] [%clk 0:20:19] } 47. Qd5 { [%eval 2.52] [%clk 0:15:50] } 47... Kb6 { [%eval 2.57] [%clk 0:13:21] } 48. Qe6+?? { [%eval 0.43] } { Blunder. Rc2 was best. } { [%clk 0:16:12] } 48... Ka5 { [%eval 0.47] [%clk 0:12:37] } 49. Rc2 { [%eval 0.46] [%clk 0:10:39] } 49... Ba3?? { [%eval 3.36] } { Blunder. Bd4 was best. } { [%clk 0:08:12] } 50. b3 { [%eval 4.23] [%clk 0:10:28] } 50... Qc5 { [%eval 5.54] [%clk 0:04:33] } 51. f6?! { [%eval 4.2] } { Inaccuracy. Re2 was best. } { [%clk 0:09:21] } 51... Bb2?! { [%eval 5.45] } { Inaccuracy. Qd4 was best. } { [%clk 0:04:42] } 52. Rxb2 { [%eval 5.62] [%clk 0:04:00] } 52... cxb2?! { [%eval 59.59] } { Inaccuracy. Qg1+ was best. } { [%clk 0:05:09] } 53. b4+ { [%eval 60.12] [%clk 0:04:18] } 53... Kxb4 { [%eval 60.22] [%clk 0:05:22] } 54. Qe7 { [%eval 60.12] [%clk 0:04:38] } 1-0