Event: 2023 US Open Championships
Date: 2023-08-02
White: William Donham
Black: Gregory Markzon
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation
Variant: Standard
TimeControl: 40/100, SD/30, inc/30

1. e4 { [%eval 0.36] [%clk 1:40:56] } 1... c5 { [%eval 0.32] [%clk 1:35:50] } 2. c3 { [%eval 0.0] [%clk 1:41:14] } 2... Nf6 { [%eval 0.15] [%clk 1:34:57] } 3. e5 { [%eval 0.0] [%clk 1:41:33] } 3... Nd5 { [%eval 0.11] [%clk 1:35:20] } 4. Nf3 { [%eval 0.0] [%clk 1:41:51] } 4... e6 { [%eval 0.09] [%clk 1:33:31] } 5. d4 { [%eval 0.0] [%clk 1:41:56] } 5... cxd4 { [%eval 0.24] [%clk 1:33:37] } 6. cxd4 { [%eval 0.17] [%clk 1:42:06] } 6... Nc6 { [%eval 0.32] [%clk 1:32:57] } 7. Bc4 { [%eval 0.15] [%clk 1:42:14] } 7... Nb6?! { [%eval 0.85] } { Inaccuracy. Be7 was best. } { [%clk 1:33:05] } 8. Bd3 { [%eval 0.33] [%clk 1:39:24] } 8... Nb4 { [%eval 0.34] [%clk 1:29:42] } 9. Be2 { [%eval 0.35] [%clk 1:27:32] } 9... d6 { [%eval 0.39] [%clk 1:26:50] } 10. a3 { [%eval 0.19] [%clk 1:25:37] } 10... Nc6 { [%eval 0.46] [%clk 1:24:41] } 11. O-O { [%eval 0.44] [%clk 1:23:47] } 11... Be7 { [%eval 0.64] [%clk 1:23:39] } 12. Nc3 { [%eval 0.66] [%clk 1:21:26] } 12... O-O { [%eval 0.97] [%clk 1:21:39] } 13. Qc2?! { [%eval 0.15] } { Inaccuracy. Bd3 was best. } { [%clk 1:18:55] } 13... dxe5 { [%eval 0.11] [%clk 1:20:05] } 14. dxe5 { [%eval 0.07] [%clk 1:18:24] } 14... Nd4 { [%eval 0.15] [%clk 1:19:57] } 15. Nxd4 { [%eval 0.03] [%clk 1:18:21] } 15... Qxd4 { [%eval 0.09] [%clk 1:19:58] } 16. Bd3 { [%eval 0.15] [%clk 1:17:33] } 16... Qxe5 { [%eval 0.63] [%clk 1:17:20] } 17. Bxh7+ { [%eval 0.48] [%clk 1:16:50] } 17... Kh8 { [%eval 0.45] [%clk 1:15:23] } 18. Be4 { [%eval 0.37] [%clk 0:59:19] } 18... f5 { [%eval 0.69] [%clk 1:13:07] } 19. Bd3 { [%eval 0.34] [%clk 0:54:41] } 19... Bd7 { [%eval 0.43] [%clk 1:09:31] } 20. Bd2 { [%eval 0.11] [%clk 0:47:50] } 20... Bc6?! { [%eval 0.68] } { Inaccuracy. Qf6 was best. } { [%clk 1:00:59] } 21. Rae1 { [%eval 0.4] [%clk 0:40:49] } 21... Qd6 { [%eval 0.42] [%clk 1:00:58] } 22. Re3 { [%eval 0.48] [%clk 0:26:41] } 22... Rf6 { [%eval 0.82] [%clk 0:57:17] } 23. Rh3+ { [%eval 0.31] [%clk 0:21:24] } 23... Kg8 { [%eval 0.39] [%clk 0:57:28] } 24. Qd1?? { [%eval -3.77] } { Blunder. Rg3 was best. } { [%clk 0:16:54] } 24... Rg6 { [%eval -3.78] [%clk 0:56:06] } 25. g3?! { [%eval -5.87] } { Inaccuracy. Be4 was best. } { [%clk 0:15:29] } 25... Qxd3 { [%eval -5.96] [%clk 0:54:42] } 26. Qh5 { [%eval -6.4] [%clk 0:07:03] } 26... Qf3 { [%eval -6.2] [%clk 0:54:33] } 27. Qxf3 { [%eval -6.19] [%clk 0:07:10] } 27... Bxf3 { [%eval -6.25] [%clk 0:54:54] } 0-1