Event: Round 7: Vogel, Roven - Ostrovskiy, Aleksandr
Date: 2025-04-26
White: Vogel, Roven
WhiteTitle: GM
WhiteElo: 2557
Black: Ostrovskiy, Aleksandr
BlackTitle: IM
BlackElo: 2394
Result: 0-1
ECO: A06
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:30:17] } 1... d5 { [%eval 0.18] [%clk 1:19:27] } 2. b3 { [%eval -0.02] [%clk 1:29:47] } 2... Bf5 { [%eval 0.05] [%clk 1:16:56] } 3. Bb2 { [%eval 0.0] [%clk 1:30:05] } 3... e6 { [%eval 0.0] [%clk 1:17:19] } 4. g3 { [%eval 0.0] [%clk 1:30:27] } 4... h6 { [%eval 0.05] [%clk 1:15:20] } 5. Bg2 { [%eval -0.04] [%clk 1:30:52] } 5... Nf6 { [%eval 0.0] [%clk 1:15:44] } 6. O-O { [%eval 0.0] [%clk 1:31:12] } 6... Be7 { [%eval 0.0] [%clk 1:15:28] } 7. d3 { [%eval 0.0] [%clk 1:31:32] } 7... O-O { [%eval 0.0] [%clk 1:15:42] } 8. Nc3 { [%eval 0.07] [%clk 1:31:44] } 8... Nc6 { [%eval 0.01] [%clk 0:55:03] } 9. Qe1 { [%eval -0.07] [%clk 1:21:36] } 9... d4 { [%eval -0.03] [%clk 0:43:35] } 10. Nb1 { [%eval -0.43] [%clk 1:16:16] } 10... e5 { [%eval -0.18] [%clk 0:38:51] } 11. Nbd2 { [%eval -0.11] [%clk 1:12:23] } 11... Re8 { [%eval -0.24] [%clk 0:35:08] } 12. e4 { [%eval -0.32] [%clk 1:10:02] } 12... Be6 { [%eval -0.4] [%clk 0:31:09] } 13. a3 { [%eval -0.53] [%clk 1:05:01] } 13... Nd7 { [%eval -0.42] [%clk 0:27:27] } 14. Kh1 { [%eval -0.6] [%clk 1:02:26] } 14... a5 { [%eval -0.54] [%clk 0:20:21] } 15. Ng1 { [%eval -0.6] [%clk 1:01:57] } 15... a4 { [%eval -0.46] [%clk 0:20:25] } 16. f4 { [%eval -0.59] [%clk 1:00:37] } 16... f6 { [%eval -0.56] [%clk 0:20:21] } 17. Bh3 { [%eval -0.66] [%clk 0:51:38] } 17... Bf7?! { [%eval 0.32] } { Inaccuracy. Bxh3 was best. } { [%clk 0:10:51] } 18. b4 { [%eval 0.46] [%clk 0:51:09] } 18... b5 { [%eval 0.55] [%clk 0:09:47] } 19. Ndf3 { [%eval 0.62] [%clk 0:49:52] } 19... Bd6 { [%eval 1.01] [%clk 0:09:44] } 20. c3 { [%eval 0.49] [%clk 0:45:52] } 20... dxc3 { [%eval 0.31] [%clk 0:07:22] } 21. Qxc3 { [%eval 0.31] [%clk 0:46:10] } 21... Ra6 { [%eval 0.29] [%clk 0:07:40] } 22. Ne2 { [%eval 0.21] [%clk 0:45:41] } 22... Ncb8 { [%eval 0.48] [%clk 0:06:42] } 23. Rae1?! { [%eval -0.6] } { Inaccuracy. d4 was best. } { [%clk 0:43:00] } 23... c5 { [%eval -0.64] [%clk 0:06:07] } 24. bxc5 { [%eval -0.61] [%clk 0:41:12] } 24... Nxc5 { [%eval -0.64] [%clk 0:05:14] } 25. fxe5 { [%eval -0.71] [%clk 0:39:53] } 25... fxe5 { [%eval -0.81] [%clk 0:05:41] } 26. Nc1?! { [%eval -1.68] } { Inaccuracy. Bf5 was best. } { [%clk 0:34:47] } 26... Nc6 { [%eval -1.64] [%clk 0:05:04] } 27. d4 { [%eval -1.92] [%clk 0:31:59] } 27... exd4 { [%eval -1.49] [%clk 0:04:18] } 28. Nxd4 { [%eval -1.89] [%clk 0:32:22] } 28... Nxd4 { [%eval -1.59] [%clk 0:03:37] } 29. Qxd4 { [%eval -1.67] [%clk 0:32:41] } 29... Bf8 { [%eval -1.81] [%clk 0:03:56] } 30. Rxf7 { [%eval -2.19] [%clk 0:32:54] } 30... Kxf7 { [%eval -2.27] [%clk 0:03:45] } 31. Rf1+ { [%eval -2.94] [%clk 0:33:17] } 31... Rf6 { [%eval -2.66] [%clk 0:04:08] } 32. Rxf6+? { [%eval -4.55] } { Mistake. Bf5 was best. } { [%clk 0:32:55] } 32... gxf6 { [%eval -4.21] [%clk 0:04:17] } 33. Qf2 { [%eval -5.08] [%clk 0:32:00] } 33... Nxe4 { [%eval -5.07] [%clk 0:03:14] } 34. Qf5 { [%eval -5.21] [%clk 0:30:58] } 34... Ng5 { [%eval -5.11] [%clk 0:01:54] } 35. Bf1?? { [%eval #-15] } { Checkmate is now unavoidable. Nd3 was best. } { [%clk 0:30:51] } 35... Qa8+ { [%eval #-14] [%clk 0:01:04] } 36. Kg1 { [%eval #-14] [%clk 0:31:14] } 36... Qa7+ { [%eval #-13] [%clk 0:01:11] } 37. Kg2 { [%eval #-13] [%clk 0:31:03] } 37... Qb7+ { [%eval #-12] [%clk 0:01:36] } 0-1