Event: 2023 U.S. Senior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-22
White: Kaidanov, Gregory
WhiteElo: 2563
Black: Khachiyan, Melikset
BlackElo: 2403
Result: 1/2-1/2
ECO: D10
Opening: Slav Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... d5 { [%eval 0.27] [%clk 1:30:41] } 2. c4 { [%eval 0.29] [%clk 1:31:19] } 2... c6 { [%eval 0.3] [%clk 1:31:07] } 3. Nc3 { [%eval 0.16] [%clk 1:31:42] } 3... Nf6 { [%eval 0.27] [%clk 1:31:27] } 4. e3 { [%eval 0.0] [%clk 1:32:04] } 4... a6 { [%eval 0.32] [%clk 1:30:12] } 5. Nf3 { [%eval 0.17] [%clk 1:32:25] } 5... b5 { [%eval 0.66] [%clk 1:30:36] } 6. b3 { [%eval 0.48] [%clk 1:32:28] } 6... Bg4 { [%eval 0.66] [%clk 1:31:00] } 7. a4 { [%eval 0.43] [%clk 1:32:13] } 7... b4 { [%eval 0.75] [%clk 1:23:52] } 8. Ne2 { [%eval 0.6] [%clk 1:32:26] } 8... Bxf3 { [%eval 0.91] [%clk 1:22:31] } 9. gxf3 { [%eval 0.85] [%clk 1:32:45] } 9... Nbd7 { [%eval 0.8] [%clk 1:22:56] } 10. Ng3 { [%eval 0.82] [%clk 1:26:31] } 10... h5 { [%eval 0.78] [%clk 1:18:51] } 11. h4 { [%eval 0.68] [%clk 1:25:41] } 11... e6 { [%eval 0.72] [%clk 1:17:24] } 12. e4 { [%eval 0.7] [%clk 1:23:35] } 12... Be7 { [%eval 0.74] [%clk 1:17:31] } 13. a5?! { [%eval -0.18] } { Inaccuracy. Bg5 was best. } { [%clk 1:20:05] } 13... g6?! { [%eval 0.81] } { Inaccuracy. dxe4 was best. } { [%clk 1:14:32] } 14. Be2?! { [%eval 0.09] } { Inaccuracy. e5 was best. } { [%clk 1:11:15] } 14... Kf8 { [%eval 0.59] [%clk 1:03:25] } 15. Bf4 { [%eval 0.23] [%clk 1:02:18] } 15... Ne8 { [%eval 0.34] [%clk 1:03:21] } 16. Qd2 { [%eval 0.27] [%clk 1:00:44] } 16... Kg7 { [%eval 0.54] [%clk 0:59:22] } 17. exd5 { [%eval 0.0] [%clk 0:55:47] } 17... cxd5 { [%eval 0.14] [%clk 0:59:08] } 18. cxd5 { [%eval 0.0] [%clk 0:52:37] } 18... exd5 { [%eval 0.0] [%clk 0:59:15] } 19. Rg1 { [%eval 0.11] [%clk 0:45:33] } 19... Kg8 { [%eval 0.41] [%clk 0:49:54] } 20. Nf5 { [%eval 0.31] [%clk 0:44:03] } 20... Ng7 { [%eval 0.45] [%clk 0:48:50] } 21. Nxe7+ { [%eval 0.14] [%clk 0:35:35] } 21... Qxe7 { [%eval 0.22] [%clk 0:49:14] } 22. Bg5 { [%eval 0.19] [%clk 0:34:45] } 22... Qd6 { [%eval 0.37] [%clk 0:48:56] } 23. Bf4 { [%eval 0.16] [%clk 0:34:30] } 23... Qe7 { [%eval 0.29] [%clk 0:49:20] } 24. Bg5 { [%eval 0.29] [%clk 0:31:32] } 24... Qd6 { [%eval 0.14] [%clk 0:49:44] } 25. Bf4 { [%eval 0.0] [%clk 0:28:52] } 25... Qe7 { [%eval 0.0] } 1/2-1/2