Event: 2023 Summer Chess Classic | Group A
Site: Saint Louis, Missouri, United States
Date: 2023-08-07
White: Swiercz, Dariusz
WhiteTitle: GM
WhiteElo: 2640
Black: Burke, John M
BlackTitle: GM
BlackElo: 2592
Result: 1/2-1/2
ECO: D86
Opening: Grünfeld Defense: Exchange Variation, Classical Variation
Variant: Standard
TimeControl: G/90+30

1. d4 { [%eval 0.0] [%clk 1:28:44] } 1... Nf6 { [%eval 0.28] [%clk 1:30:51] } 2. c4 { [%eval 0.16] [%clk 1:29:10] } 2... g6 { [%eval 0.3] [%clk 1:31:08] } 3. Nc3 { [%eval 0.31] [%clk 1:29:29] } 3... d5 { [%eval 0.2] [%clk 1:31:34] } 4. cxd5 { [%eval 0.4] [%clk 1:29:55] } 4... Nxd5 { [%eval 0.22] [%clk 1:32:01] } 5. e4 { [%eval 0.23] [%clk 1:30:19] } 5... Nxc3 { [%eval 0.21] [%clk 1:32:27] } 6. bxc3 { [%eval 0.0] [%clk 1:30:44] } 6... Bg7 { [%eval 0.23] [%clk 1:32:53] } 7. Bc4 { [%eval 0.0] [%clk 1:30:55] } 7... c5 { [%eval 0.13] [%clk 1:33:16] } 8. Ne2 { [%eval 0.22] [%clk 1:31:22] } 8... Nc6 { [%eval 0.28] [%clk 1:33:40] } 9. Be3 { [%eval 0.27] [%clk 1:31:48] } 9... O-O { [%eval 0.32] [%clk 1:34:04] } 10. O-O { [%eval 0.27] [%clk 1:32:14] } 10... b6 { [%eval 0.2] [%clk 1:33:19] } 11. Rc1 { [%eval 0.3] [%clk 1:32:21] } 11... e6 { [%eval 0.32] [%clk 1:32:52] } 12. Qd2 { [%eval 0.25] [%clk 1:22:56] } 12... Bb7 { [%eval 0.19] [%clk 1:32:46] } 13. Rfd1 { [%eval 0.32] [%clk 1:22:59] } 13... Na5 { [%eval 0.17] [%clk 1:31:50] } 14. Bd3 { [%eval 0.18] [%clk 1:23:25] } 14... Rc8 { [%eval 0.29] [%clk 1:32:16] } 15. h4 { [%eval 0.08] [%clk 0:46:46] } 15... c4 { [%eval 0.16] [%clk 1:30:56] } 16. Bc2 { [%eval 0.17] [%clk 0:45:25] } 16... Qxh4 { [%eval 0.17] [%clk 1:31:06] } 17. Bg5 { [%eval 0.21] [%clk 0:45:17] } 17... Qh5 { [%eval 0.25] [%clk 1:31:19] } 18. f3 { [%eval 0.06] [%clk 0:34:37] } 18... f6 { [%eval 0.08] [%clk 1:31:01] } 19. Be3 { [%eval 0.03] [%clk 0:35:03] } 19... Qb5 { [%eval 0.07] [%clk 1:31:03] } 20. Kf2 { [%eval -0.3] [%clk 0:34:33] } 20... e5 { [%eval -0.29] [%clk 1:11:31] } 21. g4 { [%eval -0.46] [%clk 0:34:09] } 21... Rcd8 { [%eval -0.34] [%clk 1:04:44] } 22. Rh1 { [%eval -0.42] [%clk 0:33:41] } 22... Rf7 { [%eval -0.34] [%clk 1:03:01] } 23. Rb1 { [%eval -0.42] [%clk 0:28:11] } 23... Qe8 { [%eval -0.27] [%clk 1:01:28] } 24. Ng3 { [%eval -0.63] [%clk 0:19:11] } 24... exd4?! { [%eval -0.06] } { Inaccuracy. Bc6 was best. } { [%clk 0:52:54] } 25. cxd4 { [%eval -0.14] [%clk 0:19:30] } 25... c3?! { [%eval 0.78] } { Inaccuracy. Nc6 was best. } { [%clk 0:52:50] } 26. Qxc3 { [%eval 0.72] [%clk 0:17:08] } 26... Rc8 { [%eval 0.67] [%clk 0:53:05] } 27. Qd3 { [%eval 0.7] [%clk 0:17:24] } 27... Ba6 { [%eval 0.78] [%clk 0:46:24] } 28. Qxa6 { [%eval 0.74] [%clk 0:15:24] } 28... Rxc2+ { [%eval 0.75] [%clk 0:46:50] } 29. Ne2 { [%eval 0.79] [%clk 0:15:50] } 29... Qa4 { [%eval 1.06] [%clk 0:29:18] } 30. Rhc1 { [%eval 1.03] [%clk 0:08:52] } 30... Rxa2? { [%eval 2.64] } { Mistake. Rfc7 was best. } { [%clk 0:21:33] } 31. Qc8+ { [%eval 1.93] [%clk 0:07:58] } 31... Bf8 { [%eval 2.5] [%clk 0:19:04] } 32. Qe6 { [%eval 2.6] [%clk 0:08:24] } 32... Nb7 { [%eval 2.83] [%clk 0:17:32] } 33. Rc8 { [%eval 2.52] [%clk 0:07:35] } 33... g5 { [%eval 2.81] [%clk 0:14:17] } 34. Rbc1 { [%eval 2.17] [%clk 0:03:03] } 34... Qa6 { [%eval 2.28] [%clk 0:13:18] } 35. R1c2?! { [%eval 1.42] } { Inaccuracy. R1c4 was best. } { [%clk 0:03:32] } 35... Rxc2 { [%eval 1.51] [%clk 0:12:33] } 36. Rxc2 { [%eval 1.57] [%clk 0:04:00] } 36... Qa1?? { [%eval 3.98] } { Blunder. Qb5 was best. } { [%clk 0:09:59] } 37. Ng3 { [%eval 4.01] [%clk 0:03:47] } 37... Nd6 { [%eval 4.12] [%clk 0:06:45] } 38. Kg2? { [%eval 2.28] } { Mistake. Rc7 was best. } { [%clk 0:03:54] } 38... Qa4 { [%eval 2.41] [%clk 0:06:37] } 39. Rc7 { [%eval 2.26] [%clk 0:02:40] } 39... Qe8 { [%eval 2.41] [%clk 0:06:56] } 40. Qa2?! { [%eval 1.28] } { Inaccuracy. Qd5 was best. } { [%clk 0:03:06] } 40... a5?! { [%eval 2.22] } { Inaccuracy. b5 was best. } { [%clk 0:01:59] } 41. e5? { [%eval 0.99] } { Mistake. Nh5 was best. } { [%clk 0:13:17] } 41... fxe5 { [%eval 1.09] [%clk 0:23:49] } 42. dxe5 { [%eval 1.01] [%clk 0:13:46] } 42... Qxe5 { [%eval 1.1] [%clk 0:23:31] } 43. Nf5?! { [%eval 0.04] } { Inaccuracy. Bxb6 was best. } { [%clk 0:11:15] } 43... Qe8 { [%eval 0.11] [%clk 0:22:30] } 44. Bxb6 { [%eval 0.0] [%clk 0:07:10] } 44... Nxf5 { [%eval 0.0] [%clk 0:18:03] } 45. gxf5 { [%eval 0.0] [%clk 0:07:39] } 45... Bd6 { [%eval 0.0] [%clk 0:17:03] } 46. Ra7 { [%eval 0.0] [%clk 0:03:18] } 46... g4 { [%eval 0.0] [%clk 0:15:27] } 47. Qxf7+ { [%eval 0.0] [%clk 0:01:05] } 47... Qxf7 { [%eval 0.0] [%clk 0:15:48] } 48. Rxf7 { [%eval 0.0] [%clk 0:01:32] } 48... gxf3+ { [%eval 0.0] [%clk 0:16:14] } 49. Kxf3 { [%eval 0.0] [%clk 0:01:59] } 49... Kxf7 { [%eval 0.0] [%clk 0:16:41] } 50. Bxa5 { [%eval 0.0] [%clk 0:02:27] } 50... Be7 { [%eval -0.03] [%clk 0:17:07] } 51. Kg4 { [%eval 0.0] [%clk 0:02:54] } 51... Bf6 { [%eval 0.0] [%clk 0:17:34] } 1/2-1/2