Event: CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament
Site: Pardubice, Czech Republic
Date: 2025-07-17
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2608
Black: Vykouk, Jan
BlackTitle: IM
BlackElo: 2490
Result: 1/2-1/2
ECO: E90
Opening: King's Indian Defense: Normal Variation, Rare Defenses
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min + 30 s/move

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... d6 { [%eval 0.48] [%clk 1:30:55] } 2. Nf3 { [%eval 0.48] [%clk 1:29:34] } 2... Nf6 { [%eval 0.43] [%clk 1:31:19] } 3. c4 { [%eval 0.5] [%clk 1:29:26] } 3... g6 { [%eval 0.4] [%clk 1:31:41] } 4. Nc3 { [%eval 0.45] [%clk 1:29:20] } 4... Bg7 { [%eval 0.5] [%clk 1:32:06] } 5. e4 { [%eval 0.36] [%clk 1:28:47] } 5... Bg4 { [%eval 0.52] [%clk 1:32:30] } 6. Be2 { [%eval 0.5] [%clk 1:27:33] } 6... Bxf3 { [%eval 0.7] [%clk 1:32:49] } 7. gxf3 { [%eval 0.55] [%clk 1:27:00] } 7... Nfd7 { [%eval 0.72] [%clk 1:32:45] } 8. Be3 { [%eval 0.59] [%clk 1:23:33] } 8... e5 { [%eval 0.54] [%clk 1:33:10] } 9. d5 { [%eval 0.56] [%clk 1:20:41] } 9... a5 { [%eval 0.54] [%clk 1:33:39] } 10. Qd2 { [%eval 0.54] [%clk 1:16:37] } 10... Na6 { [%eval 0.49] [%clk 1:33:59] } 11. h4 { [%eval 0.49] [%clk 1:14:04] } 11... Nf6 { [%eval 0.54] [%clk 1:33:02] } 12. Bf1 { [%eval 0.06] [%clk 1:02:50] } 12... Nh5 { [%eval 0.04] [%clk 1:26:29] } 13. Bh3 { [%eval 0.12] [%clk 0:59:27] } 13... Nf4 { [%eval 0.0] [%clk 1:00:12] } 14. Ne2 { [%eval -0.13] [%clk 0:55:46] } 14... Nc5 { [%eval 0.4] [%clk 1:00:34] } 15. Nxf4 { [%eval 0.53] [%clk 0:42:39] } 15... exf4 { [%eval 0.64] [%clk 1:00:59] } 16. Bd4? { [%eval -0.55] } { Mistake. Bxf4 was best. } { [%clk 0:43:04] } 16... Bxd4 { [%eval -0.3] [%clk 0:52:13] } 17. Qxd4 { [%eval -0.09] [%clk 0:43:32] } 17... O-O { [%eval -0.16] [%clk 0:52:36] } 18. h5 { [%eval -0.18] [%clk 0:43:13] } 18... Qe7 { [%eval -0.15] [%clk 0:49:40] } 19. O-O-O { [%eval -0.52] [%clk 0:40:43] } 19... Rae8 { [%eval -0.4] [%clk 0:43:54] } 20. Kc2 { [%eval -0.35] [%clk 0:27:32] } 20... Qe5 { [%eval -0.44] [%clk 0:43:11] } 21. Qxe5 { [%eval -0.72] [%clk 0:27:54] } 21... Rxe5 { [%eval -0.71] [%clk 0:43:37] } 22. h6 { [%eval -0.68] [%clk 0:28:17] } 22... Rb8 { [%eval -0.59] [%clk 0:39:15] } 23. b3 { [%eval -0.6] [%clk 0:25:57] } 23... Kf8 { [%eval -0.36] [%clk 0:36:48] } 24. a3 { [%eval -0.31] [%clk 0:18:26] } 24... Ke7 { [%eval 0.0] [%clk 0:35:27] } 25. b4 { [%eval -0.18] [%clk 0:17:13] } 25... axb4 { [%eval 0.0] [%clk 0:34:11] } 26. axb4 { [%eval 0.0] [%clk 0:17:41] } 26... Na6 { [%eval 0.0] [%clk 0:34:27] } 27. Kc3 { [%eval 0.0] [%clk 0:17:00] } 27... c5 { [%eval 0.0] [%clk 0:29:29] } 28. dxc6 { [%eval 0.0] [%clk 0:17:00] } 28... bxc6 { [%eval 0.0] [%clk 0:29:57] } 29. Rb1 { [%eval -0.44] [%clk 0:17:20] } 29... Rh5 { [%clk 0:22:47] } 30. Bg2 { [%clk 0:17:30] } 30... Rg5 { [%clk 0:14:25] } 31. Bh3 { [%clk 0:17:52] } 31... Rh5 { [%clk 0:14:50] } 32. Bg2 { [%clk 0:17:30] } 32... Rg5 { [%clk 0:14:43] } 33. Bh3 { [%clk 0:17:35] } 33... Rh5 1/2-1/2