Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-23
White: Benjamin, Joel
WhiteElo: 2506
Black: Sokolin, Leonid
BlackElo: 2497
Result: 1-0
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:55] } 2. Nf3 { [%eval 0.0] [%clk 1:31:21] } 2... Nc6 { [%eval 0.32] [%clk 1:31:22] } 3. Bb5 { [%eval 0.0] [%clk 1:31:13] } 3... g6 { [%eval 0.13] [%clk 1:31:39] } 4. c3 { [%eval 0.17] [%clk 1:18:23] } 4... e5 { [%eval 0.6] [%clk 1:25:51] } 5. d4 { [%eval 0.51] [%clk 1:08:03] } 5... cxd4 { [%eval 0.35] [%clk 1:23:46] } 6. cxd4 { [%eval 0.51] [%clk 1:08:20] } 6... exd4 { [%eval 0.45] [%clk 1:24:07] } 7. Nxd4 { [%eval 0.28] [%clk 1:07:37] } 7... Bg7 { [%eval 0.45] [%clk 1:24:04] } 8. Be3 { [%eval 0.29] [%clk 1:07:19] } 8... Nge7 { [%eval 0.37] [%clk 1:22:29] } 9. Nc3 { [%eval 0.4] [%clk 1:05:08] } 9... O-O { [%eval 0.26] [%clk 1:19:52] } 10. Nde2 { [%eval 0.64] [%clk 0:53:02] } 10... a6 { [%eval 0.78] [%clk 1:17:23] } 11. Bxc6 { [%eval 0.54] [%clk 0:43:24] } 11... dxc6 { [%eval 0.88] [%clk 1:15:21] } 12. Bc5?! { [%eval 0.28] } { Inaccuracy. Qc2 was best. } { [%clk 0:42:32] } 12... Qc7 { [%eval 0.06] [%clk 1:09:26] } 13. Qd6 { [%eval 0.2] [%clk 0:35:49] } 13... Qxd6 { [%eval 0.23] [%clk 1:07:57] } 14. Bxd6 { [%eval 0.01] [%clk 0:36:17] } 14... Re8 { [%eval 0.07] [%clk 1:07:44] } 15. O-O-O { [%eval 0.16] [%clk 0:36:33] } 15... Be6 { [%eval 0.45] [%clk 1:02:16] } 16. Nd4?! { [%eval -0.27] } { Inaccuracy. Nf4 was best. } { [%clk 0:35:11] } 16... Bg4? { [%eval 0.84] } { Mistake. Bc4 was best. } { [%clk 0:56:45] } 17. f3 { [%eval 1.06] [%clk 0:35:27] } 17... Rad8 { [%eval 1.36] [%clk 0:55:44] } 18. Nb3 { [%eval 1.48] [%clk 0:31:18] } 18... Be6 { [%eval 1.42] [%clk 0:33:24] } 19. Nc5 { [%eval 1.43] [%clk 0:30:53] } 19... b5? { [%eval 2.82] } { Mistake. Nc8 was best. } { [%clk 0:30:15] } 20. Nxa6 { [%eval 2.89] [%clk 0:25:46] } 20... Rxd6?! { [%eval 3.89] } { Inaccuracy. Nc8 was best. } { [%clk 0:21:27] } 21. Rxd6 { [%eval 3.93] [%clk 0:26:09] } 21... Be5 { [%eval 4.15] [%clk 0:21:54] } 22. Rdd1 { [%eval 4.02] [%clk 0:19:11] } 22... Ra8 { [%eval 3.51] [%clk 0:19:58] } 23. Nc5 { [%eval 4.32] [%clk 0:19:28] } 23... b4 { [%eval 4.32] [%clk 0:15:42] } 24. N3a4 { [%eval 4.39] [%clk 0:18:15] } 24... Bxa2 { [%eval 4.04] [%clk 0:15:58] } 25. Rd7 { [%eval 4.0] [%clk 0:16:23] } 25... Bf6 { [%eval 4.85] [%clk 0:14:18] } 26. Rhd1 { [%eval 4.71] [%clk 0:14:48] } 26... Kg7 { [%eval 5.36] [%clk 0:14:08] } 27. Rb7 { [%eval 5.35] [%clk 0:13:01] } 27... Bc4 { [%eval 5.44] [%clk 0:06:16] } 28. Rdd7 { [%eval 5.69] [%clk 0:11:25] } 28... Bb5 { [%eval 6.71] [%clk 0:06:15] } 29. b3 { [%eval 6.21] [%clk 0:11:23] } 29... Kf8 { [%eval 7.06] [%clk 0:06:23] } 30. f4 { [%eval 7.11] [%clk 0:09:57] } 30... Bxa4 { [%eval 9.08] [%clk 0:06:17] } 31. bxa4 { [%eval 9.15] [%clk 0:08:49] } 31... Ng8 { [%eval 11.44] [%clk 0:05:45] } 32. Rxf7+ { [%eval 12.42] } 32... Ke8 { [%eval 11.7] } 33. Ne6 { [%eval 12.1] [%clk 0:07:19] } 33... Rxa4 { [%clk 0:05:20] } 34. Rf8# 1-0