Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-17
White: Sokolin, Leonid
WhiteElo: 2497
Black: Khachiyan, Melikset
BlackElo: 2474
Result: 1-0
ECO: B40
Opening: Sicilian Defense: French Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:31:00] } 1... c5 { [%eval 0.32] [%clk 1:30:49] } 2. Nf3 { [%eval 0.0] [%clk 1:31:25] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:31:15] } 3. Nc3 { [%eval 0.16] [%clk 1:31:37] } 3... d6 { [%eval 0.36] [%clk 1:31:34] } 4. d4 { [%eval 0.44] [%clk 1:28:05] } 4... cxd4 { [%eval 0.4] [%clk 1:31:58] } 5. Qxd4 { [%eval 0.13] [%clk 1:28:20] } 5... Nc6 { [%eval 0.17] [%clk 1:32:21] } 6. Bb5 { [%eval 0.0] [%clk 1:27:59] } 6... Bd7 { [%eval 0.3] [%clk 1:32:46] } 7. Bxc6 { [%eval 0.0] [%clk 1:27:20] } 7... Bxc6 { [%eval 0.0] [%clk 1:33:10] } 8. Bg5 { [%eval -0.17] [%clk 1:27:42] } 8... Nf6 { [%eval -0.11] [%clk 1:33:35] } 9. O-O-O { [%eval -0.02] [%clk 1:26:59] } 9... Be7 { [%eval -0.14] [%clk 1:34:01] } 10. Qd3 { [%eval -0.15] [%clk 1:26:39] } 10... Qa5 { [%eval -0.06] [%clk 1:33:36] } 11. Kb1 { [%eval -0.16] [%clk 1:24:15] } 11... O-O { [%eval 0.08] [%clk 1:33:29] } 12. h4 { [%eval -0.16] [%clk 1:23:15] } 12... Rfc8?! { [%eval 0.77] } { Inaccuracy. h6 was best. } { [%clk 1:27:52] } 13. Nd4 { [%eval 0.1] [%clk 1:20:50] } 13... Be8?! { [%eval 0.88] } { Inaccuracy. b5 was best. } { [%clk 1:18:57] } 14. f4 { [%eval 1.26] [%clk 1:09:29] } 14... h6 { [%eval 1.09] [%clk 1:08:55] } 15. Bxf6?! { [%eval 0.55] } { Inaccuracy. g4 was best. } { [%clk 0:58:23] } 15... Bxf6 { [%eval 0.7] [%clk 1:09:07] } 16. g4 { [%eval 0.53] [%clk 0:58:14] } 16... Qa6 { [%eval 0.8] [%clk 0:43:50] } 17. Qxa6 { [%eval 0.77] [%clk 0:44:07] } 17... bxa6 { [%eval 1.09] [%clk 0:44:13] } 18. g5 { [%eval 0.68] [%clk 0:44:33] } 18... Bxd4? { [%eval 2.28] } { Mistake. Be7 was best. } { [%clk 0:41:50] } 19. Rxd4 { [%eval 2.45] [%clk 0:45:00] } 19... Rab8 { [%eval 2.41] [%clk 0:42:08] } 20. Kc1 { [%eval 2.27] [%clk 0:41:53] } 20... Rb6 { [%eval 2.73] [%clk 0:40:15] } 21. Rhd1 { [%eval 2.54] [%clk 0:39:01] } 21... hxg5 { [%eval 2.42] [%clk 0:32:02] } 22. hxg5 { [%eval 2.27] [%clk 0:38:58] } 22... e5?! { [%eval 3.65] } { Inaccuracy. Rcb8 was best. } { [%clk 0:28:28] } 23. fxe5 { [%eval 2.98] [%clk 0:33:00] } 23... dxe5 { [%eval 3.58] [%clk 0:28:52] } 24. Rd8 { [%eval 3.29] [%clk 0:33:11] } 24... Rbc6 { [%eval 3.7] [%clk 0:19:10] } 25. Rxc8?! { [%eval 2.37] } { Inaccuracy. R1d6 was best. } { [%clk 0:27:07] } 25... Rxc8 { [%eval 2.05] [%clk 0:19:35] } 26. Rd6 { [%eval 2.08] [%clk 0:25:34] } 26... Bc6 { [%eval 2.01] [%clk 0:19:49] } 27. Kd2 { [%eval 1.71] [%clk 0:24:31] } 27... Kf8 { [%eval 1.85] [%clk 0:20:13] } 28. Nd5 { [%eval 1.73] [%clk 0:24:27] } 28... Ke8 { [%eval 1.98] [%clk 0:18:17] } 29. b3 { [%eval 1.72] [%clk 0:16:45] } 29... a5 { [%eval 1.61] [%clk 0:16:46] } 30. c4 { [%eval 1.48] [%clk 0:15:23] } 30... Bb7?! { [%eval 2.42] } { Inaccuracy. a4 was best. } { [%clk 0:16:20] } 31. Kd3?? { [%eval 0.43] } { Blunder. g6 was best. } { [%clk 0:10:01] } 31... Rc6 { [%eval 0.36] [%clk 0:16:40] } 32. Rxc6 { [%eval 0.29] [%clk 0:07:12] } 32... Bxc6 { [%eval 0.27] [%clk 0:17:05] } 33. Ne3 { [%eval 0.12] [%clk 0:06:57] } 33... Kd7? { [%eval 1.19] } { Mistake. f6 was best. } { [%clk 0:16:57] } 34. Nf5 { [%eval 0.86] [%clk 0:06:08] } 34... g6 { [%eval 1.02] [%clk 0:16:38] } 35. Nh6 { [%eval 1.14] [%clk 0:06:09] } 35... Ke6 { [%eval 0.98] [%clk 0:16:46] } 36. Ng4 { [%eval 0.98] [%clk 0:06:17] } 36... Kd6 { [%eval 1.13] [%clk 0:10:05] } 37. Nf6 { [%eval 0.96] [%clk 0:05:51] } 37... Bb7 { [%eval 1.09] [%clk 0:10:30] } 38. Kc3 { [%eval 1.06] [%clk 0:06:00] } 38... Bc8 { [%eval 1.42] [%clk 0:10:54] } 39. a3 { [%eval 0.97] [%clk 0:05:07] } 39... Bh3 { [%eval 1.49] [%clk 0:10:41] } 40. b4 { [%eval 1.99] [%clk 0:32:22] } 40... axb4+ { [%eval 1.89] [%clk 0:40:47] } 41. axb4 { [%eval 2.34] [%clk 0:32:38] } 41... Bf1 { [%eval 1.95] [%clk 0:38:14] } 42. Kb3 { [%eval 3.13] [%clk 0:31:11] } 42... a5? { [%eval 5.88] } { Mistake. Kc6 was best. } { [%clk 0:20:27] } 43. bxa5 { [%eval 6.16] [%clk 0:27:10] } 43... Kc5 { [%eval 5.73] [%clk 0:20:52] } 44. Kc3 { [%eval 5.86] [%clk 0:26:17] } 44... Bxc4?! { [%eval 8.62] } { Inaccuracy. Bh3 was best. } { [%clk 0:21:16] } 45. Nd7+ { [%eval 8.55] [%clk 0:26:03] } 45... Kb5 { [%eval 8.91] [%clk 0:21:42] } 46. a6 { [%eval 8.28] [%clk 0:25:55] } 1-0