Event: 2023 U.S. Senior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-15
White: Kaidanov, Gregory
WhiteElo: 2563
Black: Wolff, Patrick
BlackElo: 2545
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:31:19] } 2... d6 { [%eval 0.0] [%clk 1:31:09] } 3. d4 { [%eval 0.25] [%clk 1:31:41] } 3... cxd4 { [%eval 0.13] [%clk 1:31:34] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:06] } 4... Nf6 { [%eval 0.3] [%clk 1:31:54] } 5. Nc3 { [%eval 0.21] [%clk 1:32:25] } 5... a6 { [%eval 0.39] [%clk 1:32:19] } 6. f3 { [%eval 0.33] [%clk 1:32:06] } 6... e5 { [%eval 0.39] [%clk 1:32:30] } 7. Nb3 { [%eval 0.26] [%clk 1:32:30] } 7... Be6 { [%eval 0.25] [%clk 1:32:47] } 8. Be3 { [%eval 0.31] [%clk 1:32:35] } 8... h5 { [%eval 0.29] [%clk 1:33:11] } 9. Qd2 { [%eval 0.31] [%clk 1:32:07] } 9... Nbd7 { [%eval 0.29] [%clk 1:33:25] } 10. Nd5 { [%eval 0.4] [%clk 1:30:38] } 10... Bxd5 { [%eval 0.31] [%clk 1:31:57] } 11. exd5 { [%eval 0.3] [%clk 1:31:02] } 11... g6 { [%eval 0.5] [%clk 1:31:00] } 12. Be2 { [%eval 0.22] [%clk 1:28:26] } 12... Bg7 { [%eval 0.24] [%clk 1:27:30] } 13. O-O { [%eval 0.31] [%clk 1:24:44] } 13... Rc8 { [%eval 0.79] [%clk 1:11:54] } 14. Na5 { [%eval 0.67] [%clk 1:16:05] } 14... Qc7 { [%eval 0.74] [%clk 1:10:06] } 15. c4 { [%eval 0.65] [%clk 1:15:50] } 15... e4 { [%eval 0.78] [%clk 1:08:18] } 16. f4 { [%eval 0.44] [%clk 1:06:38] } 16... Ng4 { [%eval 0.3] [%clk 1:08:31] } 17. Bxg4 { [%eval 0.3] [%clk 1:06:40] } 17... hxg4 { [%eval 0.41] [%clk 1:08:55] } 18. Rae1 { [%eval 0.14] [%clk 0:59:16] } 18... f5?! { [%eval 0.89] } { Inaccuracy. Nc5 was best. } { [%clk 0:53:35] } 19. b4 { [%eval 0.94] [%clk 0:57:06] } 19... O-O { [%eval 0.86] [%clk 0:49:33] } 20. c5 { [%eval 1.17] [%clk 0:53:35] } 20... dxc5?! { [%eval 2.16] } { Inaccuracy. b6 was best. } { [%clk 0:45:16] } 21. d6 { [%eval 2.14] [%clk 0:42:30] } 21... Qb6 { [%eval 2.37] [%clk 0:44:53] } 22. bxc5 { [%eval 2.39] [%clk 0:41:21] } 22... Rxc5 { [%eval 2.17] [%clk 0:44:17] } 23. Nb3 { [%eval 2.43] [%clk 0:40:07] } 23... Qc6 { [%eval 2.53] [%clk 0:41:27] } 24. Nxc5 { [%eval 2.46] [%clk 0:39:22] } 24... Nxc5 { [%eval 2.31] [%clk 0:41:51] } 25. Rc1 { [%eval 2.62] [%clk 0:37:54] } 25... b6 { [%eval 2.37] [%clk 0:42:15] } 26. Rfd1 { [%eval 2.64] [%clk 0:35:35] } 26... Rd8 { [%eval 2.44] [%clk 0:38:50] } 27. Qd5+ { [%eval 2.54] [%clk 0:34:01] } 27... Qxd5 { [%eval 2.4] [%clk 0:39:13] } 28. Rxd5 { [%eval 2.56] [%clk 0:34:27] } 28... Kf7?! { [%eval 3.67] } { Inaccuracy. Nd7 was best. } { [%clk 0:34:41] } 29. Bxc5 { [%eval 3.79] [%clk 0:32:58] } 29... bxc5 { [%eval 3.75] [%clk 0:35:07] } 30. Rcxc5 { [%eval 3.95] [%clk 0:33:18] } 30... Ke6 { [%eval 3.92] [%clk 0:32:59] } 31. d7 { [%eval 4.11] [%clk 0:27:47] } 31... Rxd7 { [%eval 4.81] [%clk 0:33:09] } 32. Rxd7 { [%eval 4.93] [%clk 0:28:03] } 32... Kxd7 { [%eval 4.65] [%clk 0:33:36] } 33. Ra5 { [%eval 4.9] [%clk 0:27:57] } 1-0