Event: Round 4: Sousa, Andre Ventura - Ryabukhin, Roman
Site: https://lichess.org/broadcast/alexander-alekhine-memorial-im-norm/round-4/0xZ1iSY7/xGPX2MX0
Date: 2025-10-29
White: Sousa, Andre Ventura
WhiteTitle: IM
WhiteElo: 2433
Black: Ryabukhin, Roman
BlackTitle: CM
BlackElo: 2253
Result: 1/2-1/2
ECO: B63
Opening: Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:30:49] } 2. Nf3 { [%eval 0.2] [%clk 1:31:21] } 2... d6 { [%eval 0.31] [%clk 1:31:14] } 3. d4 { [%eval 0.22] [%clk 1:31:47] } 3... cxd4 { [%eval 0.19] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:12] } 4... Nf6 { [%eval 0.31] [%clk 1:32:06] } 5. Nc3 { [%eval 0.32] [%clk 1:32:36] } 5... Nc6 { [%eval 0.3] [%clk 1:32:33] } 6. Bg5 { [%eval 0.25] [%clk 1:32:55] } 6... e6 { [%eval 0.39] [%clk 1:32:32] } 7. Qd2 { [%eval 0.33] [%clk 1:33:17] } 7... Qb6 { [%eval 0.56] [%clk 1:30:57] } 8. Nb3 { [%eval 0.56] [%clk 1:33:33] } 8... Be7 { [%eval 0.57] [%clk 1:31:19] } 9. Bf4 { [%eval 0.17] [%clk 1:32:07] } 9... O-O { [%eval 0.25] [%clk 1:30:04] } 10. Be2 { [%eval 0.01] [%clk 1:16:55] } 10... Rd8 { [%eval 0.0] [%clk 1:12:45] } 11. a4 { [%eval -0.49] [%clk 1:10:49] } 11... Qb4 { [%eval -0.51] [%clk 0:58:26] } 12. Bd3 { [%eval -0.58] [%clk 1:09:51] } 12... Ne5 { [%eval -0.53] [%clk 0:44:59] } 13. a5 { [%eval -0.57] [%clk 0:59:50] } 13... Bd7 { [%eval -0.5] [%clk 0:43:36] } 14. Bxe5 { [%eval -0.44] [%clk 0:58:28] } 14... dxe5 { [%eval -0.45] [%clk 0:43:53] } 15. O-O { [%eval -0.48] [%clk 0:58:13] } 15... a6 { [%eval -0.37] [%clk 0:35:46] } 16. Qe3 { [%eval -0.79] [%clk 0:55:41] } 16... Bc6 { [%eval -0.61] [%clk 0:31:10] } 17. Rfd1 { [%eval -0.57] [%clk 0:55:55] } 17... Rac8 { [%eval -0.56] [%clk 0:25:16] } 18. Qe2 { [%eval -0.88] [%clk 0:48:53] } 18... Bf8 { [%eval -0.84] [%clk 0:25:02] } 19. f3 { [%eval -1.2] [%clk 0:40:05] } 19... Nd7 { [%eval -1.17] [%clk 0:24:16] } 20. Kh1 { [%eval -1.2] [%clk 0:38:41] } 20... Nb8 { [%eval -0.98] [%clk 0:20:04] } 21. Na2 { [%eval -1.03] [%clk 0:30:02] } 21... Qe7 { [%eval -1.13] [%clk 0:20:04] } 22. Nd2 { [%eval -1.22] [%clk 0:30:27] } 22... Nd7 { [%eval -0.99] [%clk 0:18:28] } 23. b4 { [%eval -0.99] [%clk 0:28:27] } 23... Ba4 { [%eval -0.79] [%clk 0:18:23] } 24. Nc4 { [%eval -0.73] [%clk 0:26:15] } 24... Rc7 { [%eval -0.54] [%clk 0:16:01] } 25. Nb2 { [%eval -0.62] [%clk 0:25:58] } 25... Bc6 { [%eval -0.63] [%clk 0:16:20] } 26. Qe3 { [%eval -0.54] [%clk 0:17:51] } 26... Nb8 { [%eval -0.24] [%clk 0:14:37] } 27. c3 { [%eval -0.52] [%clk 0:16:49] } 27... Be8 { [%eval -0.36] [%clk 0:13:53] } 28. Be2 { [%eval -0.52] [%clk 0:17:04] } 28... Rdc8 { [%eval -0.47] [%clk 0:13:40] } 29. Rd2 { [%eval -0.73] [%clk 0:15:36] } 29... g6 { [%eval -0.73] [%clk 0:13:28] } 30. Rad1 { [%eval -0.85] [%clk 0:15:14] } 30... Qh4 { [%eval -0.75] [%clk 0:12:08] } 31. g3 { [%eval -1.04] [%clk 0:15:41] } 31... Qf6 { [%eval -0.9] [%clk 0:12:00] } 32. Kg2 { [%eval -1.09] [%clk 0:15:04] } 32... h5 { [%eval -0.95] [%clk 0:12:06] } 33. h4 { [%eval -0.94] [%clk 0:12:14] } 33... Kh7 { [%eval -1.03] [%clk 0:12:31] } 34. Qf2 { [%eval -0.97] [%clk 0:08:39] } 34... Bh6 { [%eval -1.08] [%clk 0:12:15] } 35. Rd3?! { [%eval -1.8] } { Inaccuracy. Rd6 was best. } { [%clk 0:09:06] } 35... Bb5 { [%eval -1.77] [%clk 0:11:39] } 36. Rd6 { [%eval -1.45] [%clk 0:09:33] } 36... Bf8 { [%eval -1.32] [%clk 0:11:49] } 37. R6d2 { [%eval -1.42] [%clk 0:09:49] } 37... Bh6 { [%eval -1.4] [%clk 0:11:51] } 38. Rd6 { [%eval -1.61] [%clk 0:08:47] } 38... Bf8?! { [%eval -0.99] } { Inaccuracy. Bxe2 was best. } { [%clk 0:12:04] } 39. R6d2 { [%eval -1.0] [%clk 0:08:14] } 1/2-1/2