Event: 2023 U.S. Senior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-24
White: Kaidanov, Gregory
WhiteElo: 2563
Black: Dlugy, Maxim
BlackElo: 2524
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:51] } 1... c5 { [%eval 0.32] [%clk 1:30:55] } 2. Nf3 { [%eval 0.0] [%clk 1:31:18] } 2... e6 { [%eval 0.34] [%clk 1:31:23] } 3. d4 { [%eval 0.42] [%clk 1:31:43] } 3... cxd4 { [%eval 0.37] [%clk 1:31:49] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:08] } 4... Nf6 { [%eval 0.4] [%clk 1:32:16] } 5. Nc3 { [%eval 0.33] [%clk 1:32:30] } 5... Nc6 { [%eval 0.43] [%clk 1:32:44] } 6. a3 { [%eval 0.05] [%clk 1:30:59] } 6... Be7 { [%eval 0.18] [%clk 1:26:46] } 7. Nxc6 { [%eval 0.12] [%clk 1:30:23] } 7... dxc6?! { [%eval 0.68] } { Inaccuracy. bxc6 was best. } { [%clk 1:21:50] } 8. Qxd8+ { [%eval 0.47] [%clk 1:30:18] } 8... Bxd8 { [%eval 0.33] [%clk 1:21:51] } 9. e5 { [%eval 0.49] [%clk 1:25:06] } 9... Nd7 { [%eval 0.48] [%clk 1:18:02] } 10. f4 { [%eval 0.46] [%clk 1:25:29] } 10... f6 { [%eval 0.44] [%clk 1:17:07] } 11. exf6 { [%eval 0.44] [%clk 1:23:53] } 11... Nxf6 { [%eval 0.42] [%clk 1:12:45] } 12. Bd2 { [%eval 0.46] [%clk 1:19:55] } 12... O-O { [%eval 0.91] [%clk 1:01:22] } 13. O-O-O { [%eval 0.99] [%clk 1:13:24] } 13... Nd5 { [%eval 1.25] [%clk 0:44:29] } 14. g3 { [%eval 1.19] [%clk 1:09:30] } 14... h6 { [%eval 1.19] [%clk 0:34:51] } 15. Re1 { [%eval 1.3] [%clk 1:03:15] } 15... Bc7 { [%eval 1.25] [%clk 0:32:11] } 16. Bg2 { [%eval 1.11] [%clk 0:50:56] } 16... Bd7 { [%eval 1.2] [%clk 0:30:37] } 17. Re2?! { [%eval 0.58] } { Inaccuracy. Ne4 was best. } { [%clk 0:50:48] } 17... Rae8 { [%eval 1.08] [%clk 0:30:49] } 18. Rhe1 { [%eval 0.78] [%clk 0:51:06] } 18... Kf7?! { [%eval 1.63] } { Inaccuracy. Nb6 was best. } { [%clk 0:30:38] } 19. Nd1?! { [%eval 0.81] } { Inaccuracy. Ne4 was best. } { [%clk 0:45:29] } 19... e5 { [%eval 0.84] [%clk 0:26:03] } 20. Bxd5+ { [%eval 0.35] [%clk 0:35:26] } 20... cxd5 { [%eval 0.32] [%clk 0:26:30] } 21. Bb4 { [%eval 0.62] [%clk 0:35:49] } 21... Bg4 { [%eval 0.54] [%clk 0:22:24] } 22. Rf2 { [%eval 0.01] [%clk 0:29:59] } 22... exf4 { [%eval 0.0] [%clk 0:17:56] } 23. Ne3 { [%eval -0.52] [%clk 0:28:12] } 23... Kg8 { [%eval -0.51] [%clk 0:12:36] } 24. Bxf8?! { [%eval -1.19] } { Inaccuracy. Nxg4 was best. } { [%clk 0:27:40] } 24... Rxe3? { [%eval 0.04] } { Mistake. fxe3 was best. } { [%clk 0:08:50] } 25. Bb4 { [%eval 0.02] [%clk 0:25:58] } 25... Rxe1+ { [%eval 0.01] [%clk 0:06:52] } 26. Bxe1 { [%eval 0.01] [%clk 0:26:23] } 26... Bb6 { [%eval 0.05] [%clk 0:05:22] } 27. Rxf4 { [%eval 0.0] [%clk 0:24:19] } 27... Be3+ { [%eval 0.0] [%clk 0:05:50] } 28. Bd2 { [%eval 0.03] [%clk 0:24:42] } 28... Bxf4 { [%eval 0.04] [%clk 0:06:17] } 29. Bxf4 { [%eval 0.0] [%clk 0:25:06] } 29... Kf7 { [%eval 0.0] [%clk 0:06:42] } 30. Kd2 { [%eval 0.0] [%clk 0:25:21] } 30... Ke6 { [%eval 0.0] [%clk 0:06:55] } 31. Ke3 { [%eval 0.0] [%clk 0:25:42] } 31... h5 { [%eval 0.0] [%clk 0:06:00] } 32. Kd4 { [%eval 0.0] [%clk 0:26:05] } 32... Bd1 { [%eval 0.0] [%clk 0:06:23] } 33. c3 { [%eval 0.0] [%clk 0:26:28] } 33... Bf3 { [%eval 0.04] [%clk 0:06:47] } 34. Bb8 { [%eval 0.03] [%clk 0:26:30] } 34... a6 { [%eval 0.05] [%clk 0:07:14] } 35. Kc5 { [%eval 0.03] [%clk 0:26:51] } 35... Kd7 { [%eval 0.03] [%clk 0:07:39] } 36. Be5 { [%eval 0.02] [%clk 0:26:52] } 36... g6 { [%eval 0.02] [%clk 0:08:06] } 37. Kb6 { [%eval 0.02] [%clk 0:27:17] } 37... Kc8 { [%eval 0.01] [%clk 0:08:34] } 38. h4 { [%eval 0.0] [%clk 0:27:38] } 38... Be4 { [%eval 0.03] [%clk 0:09:01] } 39. Bf4 { [%eval 0.0] [%clk 0:27:58] } 39... Bf3 { [%eval 0.0] [%clk 0:09:28] } 40. Be5 { [%eval 0.0] [%clk 0:28:23] } 40... Be4 { [%eval 0.0] [%clk 0:09:56] } 41. Bf4 { [%eval 0.0] [%clk 0:28:46] } 41... Bf3 { [%eval 0.0] [%clk 0:10:24] } 42. Be5 { [%eval 0.0] [%clk 0:29:10] } 42... Be4 { [%eval 0.0] } 1/2-1/2