Event: Round 8: Aleksandr Ostrovskiy - Sebastian Marin Posada
Date: 2023-05-21
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: Sebastian Marin Posada
BlackTitle: FM
Result: 1-0
ECO: C55
Opening: Italian Game: Two Knights Defense, Modern Bishop's Opening
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:15:34] } 1... e5 { [%eval 0.35] [%clk 1:30:43] } 2. Nf3 { [%eval 0.29] [%clk 1:15:46] } 2... Nc6 { [%eval 0.32] [%clk 1:31:05] } 3. Bc4 { [%eval 0.21] [%clk 1:15:21] } 3... Nf6 { [%eval 0.29] [%clk 1:31:03] } 4. d3 { [%eval 0.21] [%clk 1:15:38] } 4... Be7 { [%eval 0.39] [%clk 1:31:11] } 5. O-O { [%eval 0.36] [%clk 1:14:50] } 5... O-O { [%eval 0.29] [%clk 1:31:26] } 6. Re1 { [%eval 0.3] [%clk 1:14:37] } 6... d6 { [%eval 0.36] [%clk 1:30:28] } 7. a4 { [%eval 0.31] [%clk 1:14:06] } 7... h6 { [%eval 0.48] [%clk 1:15:37] } 8. a5 { [%eval 0.37] [%clk 1:09:11] } 8... a6 { [%eval 0.26] [%clk 1:15:53] } 9. h3 { [%eval 0.34] [%clk 1:08:51] } 9... Kh8 { [%eval 0.57] [%clk 1:12:24] } 10. Nc3 { [%eval 0.75] [%clk 1:05:47] } 10... Nd4 { [%eval 1.3] [%clk 0:58:28] } 11. Nxd4 { [%eval 1.24] [%clk 0:59:59] } 11... exd4 { [%eval 1.41] [%clk 0:58:47] } 12. Ne2 { [%eval 1.35] [%clk 1:00:20] } 12... c5 { [%eval 1.21] [%clk 0:57:13] } 13. c3 { [%eval 1.04] [%clk 0:54:28] } 13... d5 { [%eval 0.99] [%clk 0:45:15] } 14. exd5 { [%eval 1.11] [%clk 0:54:13] } 14... Nxd5 { [%eval 1.08] [%clk 0:40:48] } 15. cxd4 { [%eval 1.11] [%clk 0:42:17] } 15... cxd4 { [%eval 1.38] [%clk 0:29:17] } 16. Nxd4 { [%eval 1.32] [%clk 0:32:11] } 16... Nb4 { [%eval 1.78] [%clk 0:27:56] } 17. Nf3 { [%eval 1.7] [%clk 0:29:40] } 17... Bf6 { [%eval 2.21] [%clk 0:21:17] } 18. Ne5 { [%eval 1.67] [%clk 0:16:29] } 18... Bxe5 { [%eval 1.55] [%clk 0:18:46] } 19. Rxe5 { [%eval 1.7] [%clk 0:16:36] } 19... Nc6 { [%eval 1.77] [%clk 0:18:46] } 20. Rh5 { [%eval 1.73] [%clk 0:11:25] } 20... Qf6 { [%eval 1.97] [%clk 0:16:22] } 21. Bd2 { [%eval 1.98] [%clk 0:06:03] } 21... Qxb2 { [%eval 1.76] [%clk 0:10:43] } 22. Rc1 { [%eval 1.87] [%clk 0:02:03] } 22... Qf6 { [%eval 2.0] [%clk 0:07:21] } 23. Bc3 { [%eval 1.81] [%clk 0:01:04] } 23... Qg6 { [%eval 1.73] [%clk 0:07:32] } 24. Rb1 { [%eval 1.63] [%clk 0:01:15] } 24... Rb8 { [%eval 1.82] [%clk 0:04:21] } 25. Rh4?! { [%eval 1.14] } { Inaccuracy. d4 was best. } { [%clk 0:00:55] } 25... Bf5 { [%eval 1.26] [%clk 0:04:08] } 26. Qf3 { [%eval 1.29] [%clk 0:00:37] } 26... Kg8?! { [%eval 2.08] } { Inaccuracy. f6 was best. } { [%clk 0:01:34] } 27. Rf4 { [%eval 2.18] [%clk 0:00:49] } 27... Be6 { [%eval 2.22] [%clk 0:02:00] } 28. Bxe6?! { [%eval 1.39] } { Inaccuracy. Rb6 was best. } { [%clk 0:00:49] } 28... fxe6?? { [%eval 4.21] } { Blunder. Qxe6 was best. } { [%clk 0:01:43] } 29. Rxb7 { [%eval 4.22] [%clk 0:00:47] } 29... Rxf4 { [%eval 4.3] [%clk 0:00:50] } 30. Rxb8+ { [%eval 4.35] [%clk 0:01:04] } 30... Nxb8 { [%eval 4.25] [%clk 0:01:14] } 31. Qxf4 { [%eval 4.33] [%clk 0:01:32] } 31... Nc6 { [%eval 5.11] [%clk 0:00:51] } 32. Qc7 { [%eval 4.82] [%clk 0:01:04] } 32... e5 { [%eval 5.06] [%clk 0:00:49] } 33. Qc8+ { [%eval 4.51] [%clk 0:01:16] } 33... Kh7 { [%eval 5.1] [%clk 0:00:59] } 34. Qxa6 { [%eval 5.27] [%clk 0:01:31] } 34... Qe8 { [%eval 5.65] [%clk 0:00:34] } 35. Qb7 { [%eval 5.78] [%clk 0:01:03] } 35... Nd8 { [%eval 6.01] [%clk 0:00:32] } 36. Qe4+ { [%eval 6.0] [%clk 0:01:21] } 36... Kg8 { [%eval 6.1] [%clk 0:00:50] } 37. Qxe5 { [%eval 5.97] [%clk 0:01:21] } 37... Ne6 { [%eval 6.63] [%clk 0:00:58] } 38. a6 { [%eval 6.85] [%clk 0:01:22] } 1-0