Event: Round 4: Ryabukhin, Roman - Santos, Antonio P
Date: 2025-02-03
White: Ryabukhin, Roman
WhiteTitle: CM
WhiteElo: 2209
Black: Santos, Antonio P
BlackTitle: FM
BlackElo: 2209
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Freak Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:49] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... d6 { [%eval 0.22] [%clk 1:31:09] } 3. d4 { [%eval 0.22] [%clk 1:31:50] } 3... cxd4 { [%eval 0.19] [%clk 1:31:24] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:15] } 4... Nf6 { [%eval 0.25] [%clk 1:31:46] } 5. Nc3 { [%eval 0.32] [%clk 1:32:43] } 5... a6 { [%eval 0.32] [%clk 1:32:05] } 6. Rg1 { [%eval 0.0] [%clk 1:33:08] } 6... e5 { [%eval 0.14] [%clk 1:14:44] } 7. Nb3 { [%eval 0.16] [%clk 1:33:32] } 7... Be6 { [%eval 0.16] [%clk 1:15:05] } 8. g4 { [%eval 0.26] [%clk 1:33:56] } 8... h6 { [%eval 0.26] [%clk 1:12:42] } 9. Be3 { [%eval 0.33] [%clk 1:27:58] } 9... Nc6 { [%eval 0.36] [%clk 1:12:49] } 10. Nd5?! { [%eval -0.22] } { Inaccuracy. Qe2 was best. } { [%clk 1:25:01] } 10... Bxd5?! { [%eval 0.85] } { Inaccuracy. Rc8 was best. } { [%clk 1:11:55] } 11. exd5 { [%eval 0.75] [%clk 1:25:26] } 11... Ne7 { [%eval 0.86] [%clk 1:06:44] } 12. c4 { [%eval 0.87] [%clk 1:25:20] } 12... Ng6 { [%eval 0.89] [%clk 1:07:04] } 13. f3? { [%eval -0.42] } { Mistake. Qc2 was best. } { [%clk 1:23:38] } 13... Be7 { [%eval -0.45] [%clk 1:07:10] } 14. Bd3 { [%eval -0.97] [%clk 1:23:58] } 14... e4?! { [%eval -0.15] } { Inaccuracy. b5 was best. } { [%clk 0:48:34] } 15. fxe4 { [%eval -0.15] [%clk 1:22:29] } 15... Nd7 { [%eval -0.18] [%clk 0:48:55] } 16. Nd4 { [%eval -0.42] [%clk 1:19:38] } 16... Bg5 { [%eval 0.12] [%clk 0:32:17] } 17. Qd2 { [%eval 0.09] [%clk 1:19:38] } 17... Nc5 { [%eval 0.04] [%clk 0:28:22] } 18. Bc2 { [%eval -0.08] [%clk 1:16:14] } 18... Ne5 { [%eval -0.16] [%clk 0:22:40] } 19. b3 { [%eval -0.37] [%clk 1:16:28] } 19... O-O?! { [%eval 0.52] } { Inaccuracy. b5 was best. } { [%clk 0:20:07] } 20. Bxg5 { [%eval 0.45] [%clk 1:11:27] } 20... hxg5 { [%eval 0.33] [%clk 0:20:20] } 21. O-O-O { [%eval 0.3] [%clk 1:02:24] } 21... b5 { [%eval 0.21] [%clk 0:17:48] } 22. cxb5?! { [%eval -0.53] } { Inaccuracy. h4 was best. } { [%clk 1:01:51] } 22... axb5 { [%eval -0.66] [%clk 0:18:08] } 23. Kb1? { [%eval -1.81] } { Mistake. Kb2 was best. } { [%clk 0:47:31] } 23... Qb6 { [%eval -1.88] [%clk 0:18:27] } 24. Qc3 { [%eval -1.72] [%clk 0:41:36] } 24... b4 { [%eval -1.97] [%clk 0:15:32] } 25. Qb2 { [%eval -1.31] [%clk 0:42:04] } 25... Ra3 { [%eval -1.3] [%clk 0:15:16] } 26. Nc6? { [%eval -2.96] } { Mistake. Ne2 was best. } { [%clk 0:39:12] } 26... Nxc6 { [%eval -2.46] [%clk 0:13:45] } 27. dxc6 { [%eval -2.09] [%clk 0:39:33] } 27... Rfa8 { [%eval -2.02] [%clk 0:14:00] } 28. e5 { [%eval -1.94] [%clk 0:33:38] } 28... dxe5 { [%eval -1.99] [%clk 0:13:20] } 29. Qxe5?? { [%eval -5.66] } { Blunder. Rge1 was best. } { [%clk 0:29:46] } 29... Rxa2 { [%eval -5.46] [%clk 0:13:20] } 30. c7?! { [%eval -7.69] } { Inaccuracy. Rge1 was best. } { [%clk 0:19:09] } 30... Qxc7 { [%eval -7.66] [%clk 0:13:13] } 31. Bh7+ { [%eval #-8] [%clk 0:17:26] } 0-1