Event: 2021 U.S. Open
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-05
White: Kowalysko, Roman
WhiteElo: 1961
Black: Burke, John Michael
BlackTitle: GM
BlackElo: 2554
Result: 0-1
ECO: B56
Opening: Sicilian Defense: Classical Variation
Variant: Standard
TimeControl: 40/6000+30:1800+30

1. e4 { [%eval 0.24] [%clk 1:35:19] } 1... c5 { [%eval 0.32] [%clk 1:40:49] } 2. Nf3 { [%eval 0.0] [%clk 1:35:31] } 2... d6 { [%eval 0.0] [%clk 1:41:08] } 3. d4 { [%eval 0.15] [%clk 1:35:42] } 3... cxd4 { [%eval 0.13] [%clk 1:41:29] } 4. Nxd4 { [%eval 0.0] [%clk 1:36:07] } 4... Nf6 { [%eval 0.14] [%clk 1:41:49] } 5. Nc3 { [%eval 0.18] [%clk 1:36:30] } 5... Nc6 { [%eval 0.47] [%clk 1:42:10] } 6. Nd5?! { [%eval -0.48] } { Inaccuracy. Bg5 was best. } { [%clk 1:35:25] } 6... Nxd5 { [%eval -0.21] [%clk 1:39:36] } 7. exd5 { [%eval -0.4] [%clk 1:35:50] } 7... Qa5+ { [%eval -0.36] [%clk 1:40:03] } 8. Bd2 { [%eval 0.08] [%clk 1:36:14] } 8... Qxd5 { [%eval 0.0] [%clk 1:40:27] } 9. Nb5 { [%eval 0.0] [%clk 1:36:38] } 9... Qe6+ { [%eval 0.0] [%clk 1:40:53] } 10. Be2 { [%eval -0.24] [%clk 1:36:52] } 10... Qd7 { [%eval -0.07] [%clk 1:41:19] } 11. c4 { [%eval 0.16] [%clk 1:37:07] } 11... Rb8 { [%eval 0.16] [%clk 1:36:47] } 12. O-O { [%eval -0.11] [%clk 1:36:24] } 12... a6 { [%eval 0.09] [%clk 1:37:06] } 13. Nc3 { [%eval -0.15] [%clk 1:36:27] } 13... e6 { [%eval 0.0] [%clk 1:34:20] } 14. Bf4 { [%eval 0.07] [%clk 1:33:58] } 14... Be7 { [%eval 0.08] [%clk 1:30:25] } 15. Qd2 { [%eval -0.32] [%clk 1:26:47] } 15... O-O { [%eval -0.16] [%clk 1:26:13] } 16. Rad1 { [%eval -0.42] [%clk 1:25:40] } 16... Rd8 { [%eval -0.22] [%clk 1:24:28] } 17. Qc2 { [%eval -0.3] [%clk 1:21:59] } 17... b6 { [%eval -0.37] [%clk 1:14:44] } 18. Rd2 { [%eval -0.42] [%clk 1:17:15] } 18... f5 { [%eval -0.29] [%clk 1:10:54] } 19. f3 { [%eval -0.65] [%clk 1:07:05] } 19... Qe8 { [%eval -0.4] [%clk 1:02:52] } 20. Rfd1 { [%eval -0.55] [%clk 1:04:04] } 20... Ne5 { [%eval -0.51] [%clk 0:59:39] } 21. Na4?! { [%eval -1.21] } { Inaccuracy. b4 was best. } { [%clk 0:56:19] } 21... Bd7 { [%eval -1.36] [%clk 0:53:53] } 22. Nc3 { [%eval -1.36] [%clk 0:54:06] } 22... Bc6 { [%eval -0.91] [%clk 0:51:08] } 23. c5?! { [%eval -1.66] } { Inaccuracy. b4 was best. } { [%clk 0:47:58] } 23... bxc5 { [%eval -1.83] [%clk 0:50:25] } 24. Bxe5 { [%eval -1.98] [%clk 0:48:13] } 24... dxe5 { [%eval -1.67] [%clk 0:50:50] } 25. Bxa6?! { [%eval -2.83] } { Inaccuracy. Bc4 was best. } 25... Rd4 { [%eval -2.92] [%clk 0:39:38] } 26. Ne2 { [%eval -2.74] [%clk 0:44:00] } 26... Rxd2 { [%eval -3.24] [%clk 0:40:04] } 27. Rxd2 { [%eval -3.25] [%clk 0:42:51] } 27... e4 { [%eval -3.19] [%clk 0:39:10] } 28. fxe4 { [%eval -3.26] [%clk 0:37:18] } 28... Bxe4 { [%eval -3.36] [%clk 0:38:31] } 29. Bd3 { [%eval -3.27] [%clk 0:37:13] } 29... Bg5 { [%eval -3.24] [%clk 0:36:12] } 30. Rd1 { [%eval -3.09] [%clk 0:36:53] } 30... Be3+?! { [%eval -2.33] } { Inaccuracy. Bxd3 was best. } { [%clk 0:36:31] } 31. Kh1 { [%eval -2.31] [%clk 0:36:37] } 31... Bc6 { [%eval -2.63] [%clk 0:32:42] } 32. Bc4 { [%eval -2.04] [%clk 0:28:12] } 32... Be4 { [%eval -2.27] [%clk 0:24:12] } 33. Bd3 { [%eval -2.11] [%clk 0:26:55] } 33... Ba8 { [%eval -2.71] [%clk 0:23:05] } 34. Ng1 { [%eval -2.24] [%clk 0:22:40] } 34... Qh5 { [%eval -2.03] [%clk 0:13:04] } 35. Be2 { [%eval -2.29] [%clk 0:19:38] } 35... Qh6 { [%eval -2.25] [%clk 0:11:14] } 36. Bf3 { [%eval -2.35] [%clk 0:17:35] } 36... Bxg1 { [%eval -2.17] [%clk 0:11:08] } 37. Rxg1 { [%eval -2.23] [%clk 0:16:59] } 37... Bxf3 { [%eval -2.24] [%clk 0:11:34] } 38. gxf3 { [%eval -2.2] [%clk 0:17:21] } 38... Qe3 { [%eval -2.1] [%clk 0:10:57] } 39. Qc3?? { [%eval -5.4] } { Blunder. Qd1 was best. } { [%clk 0:14:47] } 39... Qxc3 { [%eval -5.35] [%clk 0:11:22] } 40. bxc3 { [%eval -5.4] [%clk 0:45:14] } 40... Ra8 { [%eval -5.38] [%clk 0:40:31] } 41. Rg2 { [%eval -5.49] [%clk 0:26:03] } 41... Kf7 { [%eval -5.62] [%clk 0:40:46] } 42. Kg1 { [%eval -5.93] [%clk 0:25:12] } 42... Kf6 { [%eval -5.64] [%clk 0:40:10] } 43. Rb2 { [%eval -6.28] [%clk 0:23:31] } 43... Ra3 { [%eval -6.32] [%clk 0:39:35] } 44. Rb3 { [%eval -6.58] [%clk 0:23:12] } 44... Rxa2 { [%eval -6.53] [%clk 0:38:29] } 45. Rb5 { [%eval -7.13] [%clk 0:23:23] } 45... Ke5 { [%eval -7.14] [%clk 0:38:52] } 46. Rxc5+ { [%eval -7.18] [%clk 0:23:38] } 46... Kf4 { [%eval -7.25] [%clk 0:39:17] } 47. h4 { [%eval -7.7] [%clk 0:22:06] } 47... Kxf3 { [%eval -7.62] [%clk 0:38:49] } 48. Re5 { [%eval -7.68] [%clk 0:22:31] } 48... Re2 { [%eval -7.87] [%clk 0:39:12] } 49. Rc5 { [%eval -8.76] [%clk 0:22:29] } 49... e5 { [%eval -8.5] [%clk 0:39:02] } 50. Rc7 { [%eval -9.37] [%clk 0:22:45] } 50... e4 { [%eval -10.08] [%clk 0:39:21] } 51. Rxg7 { [%eval -10.79] [%clk 0:22:57] } 51... e3 { [%eval -12.12] [%clk 0:39:46] } 52. Rxh7?! { [%eval #-8] } { Checkmate is now unavoidable. Re7 was best. } { [%clk 0:22:58] } 52... Rg2+ { [%eval #-7] [%clk 0:40:12] } 53. Kh1 { [%eval #-7] [%clk 0:23:20] } 53... e2 { [%eval #-7] [%clk 0:40:39] } 54. Re7 { [%eval #-7] [%clk 0:23:39] } 54... Rf2 { [%eval #-7] [%clk 0:40:58] } 55. h5?? { [%eval #-6] } { Checkmate is now unavoidable. Kg1 was best. } { [%clk 0:23:53] } 55... Rf1+ { [%eval #-9] [%clk 0:41:24] } 56. Kh2 { [%eval #-9] [%clk 0:24:18] } 56... e1=Q { [%eval #-8] [%clk 0:41:50] } 57. Rxe1 { [%eval #-8] [%clk 0:24:44] } 57... Rxe1 { [%eval #-7] [%clk 0:42:17] } 58. h6 { [%eval #-7] [%clk 0:25:05] } 58... Re6 { [%eval #-6] [%clk 0:42:44] } 59. h7 { [%eval #-6] [%clk 0:25:30] } 59... Rh6+ { [%eval #-5] [%clk 0:43:10] } 0-1