Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-19
White: Kaidanov, Gregory
WhiteElo: 2547
Black: Benjamin, Joel
BlackElo: 2506
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:54] } 2. c4 { [%eval 0.11] [%clk 1:31:20] } 2... g6 { [%eval 0.28] [%clk 1:29:57] } 3. f3 { [%eval 0.08] [%clk 1:29:18] } 3... Bg7 { [%eval 0.31] [%clk 1:29:22] } 4. e4 { [%eval 0.32] [%clk 1:29:41] } 4... d6 { [%eval 0.37] [%clk 1:29:48] } 5. Nc3 { [%eval 0.39] [%clk 1:30:05] } 5... O-O { [%eval 0.47] [%clk 1:30:13] } 6. Nge2 { [%eval 0.14] [%clk 1:30:29] } 6... Nbd7 { [%eval 0.48] [%clk 1:29:13] } 7. Be3 { [%eval 0.26] [%clk 1:29:43] } 7... a6 { [%eval 0.26] [%clk 1:29:31] } 8. Qd2 { [%eval 0.64] [%clk 1:21:59] } 8... b5 { [%eval 0.39] [%clk 1:28:36] } 9. g4 { [%eval 0.13] [%clk 1:20:51] } 9... e5?! { [%eval 0.96] } { Inaccuracy. c5 was best. } { [%clk 1:07:02] } 10. d5 { [%eval 0.71] [%clk 1:14:34] } 10... Nb6?! { [%eval 1.52] } { Inaccuracy. h5 was best. } { [%clk 0:59:45] } 11. Ng3 { [%eval 1.6] [%clk 1:14:32] } 11... Bxg4?? { [%eval 3.56] } { Blunder. Nxc4 was best. } { [%clk 0:54:37] } 12. fxg4 { [%eval 3.12] [%clk 1:11:42] } 12... Nxg4 { [%eval 3.48] [%clk 0:54:53] } 13. cxb5 { [%eval 3.8] [%clk 1:08:49] } 13... Nxe3 { [%eval 3.97] [%clk 0:46:52] } 14. Qxe3 { [%eval 3.58] [%clk 1:09:11] } 14... f5 { [%eval 3.59] [%clk 0:34:29] } 15. exf5 { [%eval 3.56] [%clk 1:08:35] } 15... gxf5 { [%eval 4.27] [%clk 0:34:52] } 16. bxa6 { [%eval 3.43] [%clk 1:04:17] } 16... Qh4?! { [%eval 4.59] } { Inaccuracy. e4 was best. } { [%clk 0:29:36] } 17. Qf2 { [%eval 4.11] [%clk 0:52:00] } 17... Na4 { [%eval 4.77] [%clk 0:14:15] } 18. Bb5 { [%eval 4.5] [%clk 0:45:42] } 18... Nxc3 { [%eval 4.3] [%clk 0:09:36] } 19. bxc3 { [%eval 5.05] [%clk 0:46:05] } 19... Qg5 { [%eval 4.93] [%clk 0:09:28] } 20. Rg1 { [%eval 4.94] [%clk 0:44:50] } 20... Qh4 { [%eval 5.85] [%clk 0:07:57] } 21. Ne2 { [%eval 5.38] [%clk 0:42:19] } 21... Qh6 { [%eval 6.3] [%clk 0:07:55] } 22. a7 { [%eval 6.39] [%clk 0:39:18] } 22... Kh8 { [%eval 6.6] [%clk 0:06:47] } 23. Bc6 { [%eval 7.46] [%clk 0:38:29] } 23... Bf6 { [%eval 9.54] [%clk 0:06:38] } 24. Bxa8 { [%eval 9.38] [%clk 0:37:48] } 24... Bh4 { [%eval 9.36] [%clk 0:06:42] } 25. Ng3 { [%eval 9.44] [%clk 0:37:59] } 25... f4 { [%eval 10.22] [%clk 0:06:07] } 26. Bc6 { [%eval 10.23] [%clk 0:37:44] } 26... fxg3 { [%eval 10.35] [%clk 0:06:21] } 27. Qxf8+ { [%eval 10.74] [%clk 0:37:35] } 27... Qxf8 { [%eval 10.39] [%clk 0:06:46] } 28. a8=Q { [%eval 7.18] [%clk 0:37:56] } 28... gxh2+ { [%eval 8.59] [%clk 0:06:58] } 29. Ke2 { [%eval 8.54] [%clk 0:36:22] } 29... hxg1=N+ { [%eval 7.62] [%clk 0:07:01] } 30. Rxg1 { [%eval 8.83] [%clk 0:36:45] } 1-0