Event: Round 4: Ostrovskiy, Aleksandr - Park, Evan
Date: 2025-01-18
White: Ostrovskiy, Aleksandr
WhiteTitle: IM
WhiteElo: 2409
Black: Park, Evan
BlackTitle: IM
BlackElo: 2406
Result: 0-1
ECO: A06
Opening: Zukertort Opening
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:22:57] } 1... d5 { [%eval 0.18] [%clk 1:30:52] } 2. e3 { [%eval 0.0] [%clk 1:22:57] } 2... Nf6 { [%eval 0.01] [%clk 1:29:59] } 3. c4 { [%eval -0.08] [%clk 1:23:02] } 3... e6 { [%eval 0.0] [%clk 1:30:25] } 4. Nc3 { [%eval 0.0] [%clk 1:23:26] } 4... b6 { [%eval 0.09] [%clk 1:20:55] } 5. cxd5 { [%eval 0.07] [%clk 1:21:13] } 5... exd5 { [%eval 0.13] [%clk 1:21:06] } 6. g3 { [%eval 0.0] [%clk 1:21:30] } 6... Be7 { [%eval 0.15] [%clk 1:19:30] } 7. Bg2 { [%eval 0.17] [%clk 1:20:39] } 7... Ba6 { [%eval 0.22] [%clk 1:18:54] } 8. b4 { [%eval 0.32] [%clk 1:12:38] } 8... c6 { [%eval 0.38] [%clk 1:15:44] } 9. Qb3 { [%eval 0.32] [%clk 1:07:14] } 9... Nbd7 { [%eval 0.3] [%clk 1:11:01] } 10. a4 { [%eval 0.32] [%clk 0:54:11] } 10... c5 { [%eval 0.39] [%clk 0:59:35] } 11. b5 { [%eval 0.31] [%clk 0:41:18] } 11... c4 { [%eval 0.44] [%clk 0:57:36] } 12. Qc2 { [%eval 0.3] [%clk 0:40:13] } 12... Bb7 { [%eval 0.32] [%clk 0:57:56] } 13. O-O { [%eval 0.35] [%clk 0:40:11] } 13... Nc5 { [%eval 0.32] [%clk 0:52:33] } 14. Nd4 { [%eval 0.32] [%clk 0:38:03] } 14... O-O { [%eval 0.28] [%clk 0:50:49] } 15. Ba3 { [%eval 0.32] [%clk 0:30:56] } 15... Re8 { [%eval 0.23] [%clk 0:48:34] } 16. Rfd1 { [%eval 0.05] [%clk 0:18:11] } 16... Rc8 { [%eval 0.09] [%clk 0:46:05] } 17. Qf5 { [%eval -0.16] [%clk 0:15:42] } 17... g6 { [%eval -0.11] [%clk 0:44:07] } 18. Qf3? { [%eval -1.42] } { Mistake. Qc2 was best. } { [%clk 0:09:04] } 18... Nfe4 { [%eval -1.46] [%clk 0:38:45] } 19. Nxe4 { [%eval -2.01] [%clk 0:03:13] } 19... dxe4 { [%eval -1.98] [%clk 0:39:07] } 20. Qe2 { [%eval -2.0] [%clk 0:03:02] } 20... Bf6 { [%eval -1.79] [%clk 0:37:41] } 21. Qxc4? { [%eval -3.32] } { Mistake. Bb2 was best. } { [%clk 0:02:06] } 21... Nd3 { [%eval -3.33] [%clk 0:36:55] } 22. Qb3 { [%eval -3.35] [%clk 0:00:44] } 22... Bxd4 { [%eval -3.36] [%clk 0:36:32] } 23. exd4 { [%eval -3.43] [%clk 0:01:12] } 23... Qxd4 { [%eval -3.23] [%clk 0:36:50] } 24. Rf1 { [%eval -3.29] [%clk 0:01:33] } 24... Bd5 { [%eval -3.26] [%clk 0:30:03] } 25. Qd1 { [%eval -3.29] [%clk 0:01:49] } 25... Bc4 { [%eval -3.33] [%clk 0:30:21] } 26. Rb1 { [%eval -3.38] [%clk 0:01:50] } 26... h5 { [%eval -3.55] [%clk 0:26:36] } 27. h3 { [%eval -3.48] [%clk 0:01:31] } 27... f5 { [%eval -3.41] [%clk 0:21:07] } 28. h4 { [%eval -3.77] [%clk 0:01:27] } 28... Kh7 { [%eval -3.48] [%clk 0:20:52] } 29. Ra1 { [%eval -4.34] [%clk 0:00:34] } 29... Ne5?! { [%eval -2.78] } { Inaccuracy. f4 was best. } { [%clk 0:17:24] } 30. Re1 { [%eval -2.83] [%clk 0:00:48] } 30... Ng4 { [%eval -2.87] [%clk 0:17:46] } 31. Re3 { [%eval -2.89] [%clk 0:01:01] } 31... Nxe3 { [%eval -3.1] [%clk 0:14:47] } 32. fxe3 { [%eval -2.96] [%clk 0:01:29] } 32... Qe5 { [%eval -2.95] [%clk 0:15:12] } 33. Kh2 { [%eval -3.09] [%clk 0:01:57] } 33... Be2 { [%eval -2.92] [%clk 0:13:13] } 34. Qb3 { [%eval -2.91] [%clk 0:01:17] } 34... Qe6 { [%eval -2.97] [%clk 0:13:34] } 35. Qb4 { [%eval -3.0] [%clk 0:00:57] } 35... Red8 { [%eval -2.92] [%clk 0:12:34] } 36. a5 { [%eval -3.53] [%clk 0:00:32] } 36... Rc4 { [%eval -3.46] [%clk 0:11:17] } 37. Qb2 { [%eval -3.62] [%clk 0:00:59] } 37... bxa5 { [%eval -3.63] [%clk 0:11:36] } 38. Re1 { [%eval -4.26] [%clk 0:00:34] } 38... Bd3 { [%eval -3.47] [%clk 0:11:44] } 0-1