Event: 2023 U.S. Senior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-19
White: Kaidanov, Gregory
WhiteElo: 2563
Black: Benjamin, Joel
BlackElo: 2500
Result: 1/2-1/2
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... c6 { [%eval 0.37] [%clk 1:30:55] } 2. d4 { [%eval 0.41] [%clk 1:31:21] } 2... d5 { [%eval 0.28] [%clk 1:31:21] } 3. e5 { [%eval 0.28] [%clk 1:31:46] } 3... c5 { [%eval 0.43] [%clk 1:31:39] } 4. Nf3 { [%eval 0.38] [%clk 1:31:56] } 4... cxd4 { [%eval 0.29] [%clk 1:28:14] } 5. Qxd4 { [%eval 0.24] [%clk 1:32:11] } 5... Nc6 { [%eval 0.31] [%clk 1:27:18] } 6. Qf4 { [%eval 0.44] [%clk 1:32:33] } 6... e6 { [%eval 0.33] [%clk 1:15:49] } 7. Bd3 { [%eval -0.09] [%clk 1:28:45] } 7... Nb4 { [%eval 0.36] [%clk 1:09:18] } 8. Bd2 { [%eval 0.39] [%clk 1:27:26] } 8... Nxd3+ { [%eval 0.33] [%clk 1:08:09] } 9. cxd3 { [%eval 0.42] [%clk 1:27:43] } 9... Ne7 { [%eval 0.42] [%clk 1:02:36] } 10. Nc3 { [%eval 0.42] [%clk 1:26:32] } 10... Bd7 { [%eval 0.32] [%clk 0:57:45] } 11. a4 { [%eval 0.16] [%clk 1:23:03] } 11... a6 { [%eval 0.51] [%clk 0:57:00] } 12. Ne2 { [%eval 0.57] [%clk 1:21:38] } 12... Rc8 { [%eval 0.58] [%clk 0:52:16] } 13. h4 { [%eval 0.6] [%clk 1:13:30] } 13... h5 { [%eval 0.63] [%clk 0:43:34] } 14. Ng5 { [%eval 0.75] [%clk 1:04:06] } 14... Nf5 { [%eval 0.75] [%clk 0:43:27] } 15. Nd4 { [%eval 0.3] [%clk 1:04:06] } 15... g6?! { [%eval 0.86] } { Inaccuracy. Nh6 was best. } { [%clk 0:42:11] } 16. O-O { [%eval 0.9] [%clk 0:58:48] } 16... Qb6?! { [%eval 1.94] } { Inaccuracy. Be7 was best. } { [%clk 0:35:54] } 17. Nxf5 { [%eval 1.93] [%clk 0:56:35] } 17... gxf5 { [%eval 1.75] [%clk 0:36:20] } 18. b4 { [%eval 1.92] [%clk 0:44:13] } 18... Rc2 { [%eval 2.41] [%clk 0:24:58] } 19. b5 { [%eval 2.42] [%clk 0:36:57] } 19... d4 { [%eval 2.46] [%clk 0:19:25] } 20. Rfb1 { [%eval 2.57] [%clk 0:33:54] } 20... Rg8?! { [%eval 3.34] } { Inaccuracy. Bh6 was best. } { [%clk 0:10:40] } 21. Bb4 { [%eval 2.81] [%clk 0:30:22] } 21... Bh6 { [%eval 3.03] [%clk 0:10:04] } 22. bxa6? { [%eval 1.25] } { Mistake. Rc1 was best. } { [%clk 0:23:47] } 22... Qxa6 { [%eval 1.15] } 23. Rc1 { [%eval 0.91] [%clk 0:21:21] } 23... Qxd3 { [%eval 0.98] [%clk 0:06:56] } 24. Rxc2 { [%eval 0.82] [%clk 0:20:01] } 24... Qxc2 { [%eval 1.03] [%clk 0:07:24] } 25. Qxd4 { [%eval 0.94] [%clk 0:19:43] } 25... Qc6 { [%eval 1.48] [%clk 0:07:23] } 26. Bd2?! { [%eval 0.65] } { Inaccuracy. f3 was best. } { [%clk 0:14:57] } 26... Qd5 { [%eval 0.86] [%clk 0:07:10] } 27. Qxd5 { [%eval 0.77] [%clk 0:11:07] } 27... exd5 { [%eval 0.68] [%clk 0:07:38] } 28. Nh7 { [%eval 0.68] [%clk 0:10:24] } 28... Bg7 { [%eval 0.94] [%clk 0:04:32] } 29. a5 { [%eval 0.83] [%clk 0:07:56] } 29... Bb5 { [%eval 0.75] [%clk 0:04:17] } 30. Rb1 { [%eval 0.96] [%clk 0:05:12] } 30... Ba6 { [%eval 0.95] [%clk 0:04:38] } 31. Ng5?! { [%eval 0.27] } { Inaccuracy. Bg5 was best. } { [%clk 0:05:21] } 31... Bh6 { [%eval 0.17] [%clk 0:03:54] } 32. Rc1 { [%eval 0.08] [%clk 0:04:17] } 32... Bxg5 { [%eval 0.12] [%clk 0:03:34] } 33. Bxg5 { [%eval 0.0] [%clk 0:03:47] } 33... Kd7 { [%eval 0.0] [%clk 0:04:00] } 34. f3 { [%eval 0.0] [%clk 0:03:35] } 34... Rc8 { [%eval 0.0] [%clk 0:03:23] } 35. Rxc8 { [%eval 0.0] [%clk 0:03:57] } 35... Kxc8 { [%eval 0.0] [%clk 0:03:52] } 36. Kf2 { [%eval 0.0] [%clk 0:04:05] } 36... d4 { [%eval 0.0] [%clk 0:03:43] } 37. Bf6 { [%eval 0.0] [%clk 0:02:28] } 37... Kd7 { [%eval 0.0] [%clk 0:03:51] } 38. e6+ { [%eval 0.0] [%clk 0:02:17] } 38... Kxe6 { [%eval 0.0] [%clk 0:04:15] } 39. Bxd4 { [%eval 0.0] [%clk 0:02:43] } 39... f4 { [%eval 0.0] [%clk 0:04:39] } 40. Ba7 { [%eval 0.03] [%clk 0:02:58] } 40... Kf5 { [%eval 0.0] [%clk 0:05:04] } 41. Bb8 { [%eval 0.0] [%clk 0:03:22] } 41... Bb5 { [%eval 0.0] [%clk 0:05:20] } 42. Bc7 { [%eval 0.0] [%clk 0:03:47] } 42... Ba6 { [%eval 0.0] [%clk 0:05:47] } 43. Bb8 { [%eval 0.0] [%clk 0:04:13] } 43... Bb5 { [%eval 0.0] [%clk 0:06:13] } 44. Bc7 { [%eval 0.0] [%clk 0:04:39] } 44... Ba6 { [%eval 0.0] [%clk 0:06:41] } 45. Bb8 { [%eval 0.0] [%clk 0:05:04] } 45... Bb5 { [%eval 0.0] } 1/2-1/2