Event: CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament
Site: Pardubice, Czech Republic
Date: 2025-07-29
White: Korobov, Anton
WhiteTitle: GM
WhiteElo: 2631
Black: Heinrich, John
BlackTitle: FM
BlackElo: 2362
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min + 30 s/move

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:27:57] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... d6 { [%eval 0.31] [%clk 1:27:40] } 3. d4 { [%eval 0.22] [%clk 1:31:41] } 3... cxd4 { [%eval 0.19] [%clk 1:28:05] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:06] } 4... Nf6 { [%eval 0.31] [%clk 1:28:15] } 5. Nc3 { [%eval 0.32] [%clk 1:32:29] } 5... a6 { [%eval 0.28] [%clk 1:28:41] } 6. Be3 { [%eval 0.25] [%clk 1:32:48] } 6... e5 { [%eval 0.15] [%clk 1:27:53] } 7. Nb3 { [%eval 0.21] [%clk 1:30:06] } 7... Be7 { [%eval 0.24] [%clk 1:28:10] } 8. f3 { [%eval 0.51] [%clk 1:30:19] } 8... Be6 { [%eval 0.42] [%clk 1:28:24] } 9. Qd2 { [%eval 0.45] [%clk 1:30:33] } 9... h5 { [%eval 0.43] [%clk 1:28:49] } 10. Nd5 { [%eval 0.42] [%clk 1:30:34] } 10... Nxd5 { [%eval 0.47] [%clk 1:28:16] } 11. exd5 { [%eval 0.37] [%clk 1:30:42] } 11... Bf5 { [%eval 0.46] [%clk 1:28:42] } 12. Be2 { [%eval 0.49] [%clk 1:30:55] } 12... a5 { [%eval 0.45] [%clk 1:20:15] } 13. a4 { [%eval 0.51] [%clk 1:30:56] } 13... Bh4+ { [%eval 0.51] [%clk 1:15:55] } 14. g3 { [%eval 0.49] [%clk 1:31:20] } 14... Bf6 { [%eval 0.39] [%clk 1:16:19] } 15. Bd3 { [%eval 0.42] [%clk 1:29:34] } 15... Bxd3 { [%eval 0.38] [%clk 1:12:00] } 16. Qxd3 { [%eval 0.43] [%clk 1:29:30] } 16... Bg5 { [%eval 0.89] [%clk 1:10:01] } 17. f4 { [%eval 0.93] [%clk 1:25:23] } 17... exf4 { [%eval 1.31] [%clk 1:09:11] } 18. gxf4 { [%eval 1.16] [%clk 1:24:17] } 18... Bh4+ { [%eval 1.18] [%clk 1:06:23] } 19. Kd2 { [%eval 1.39] [%clk 1:20:21] } 19... Nd7 { [%eval 1.24] [%clk 1:05:42] } 20. Rhg1 { [%eval 1.44] [%clk 1:16:55] } 20... Bf6 { [%eval 1.15] [%clk 0:54:40] } 21. Bd4 { [%eval 0.98] [%clk 1:13:33] } 21... Kf8 { [%eval 1.02] [%clk 0:49:47] } 22. Rae1 { [%eval 0.99] [%clk 1:10:28] } 22... b6 { [%eval 0.82] [%clk 0:48:14] } 23. Kc1 { [%eval 0.87] [%clk 0:57:05] } 23... Bxd4?? { [%eval 2.82] } { Blunder. Nc5 was best. } { [%clk 0:41:56] } 24. Nxd4 { [%eval 2.57] [%clk 0:57:08] } 24... Qf6 { [%eval 3.2] [%clk 0:41:18] } 25. Qe3 { [%eval 3.01] [%clk 0:55:41] } 25... h4?! { [%eval 4.39] } { Inaccuracy. Rh6 was best. } { [%clk 0:38:26] } 26. Rg5 { [%eval 4.21] [%clk 0:52:15] } 26... g6 { [%eval 4.49] [%clk 0:36:20] } 27. f5 { [%eval 4.59] [%clk 0:49:52] } 27... Rh5 { [%eval 4.46] [%clk 0:35:59] } 28. Ne6+ { [%eval 4.55] [%clk 0:42:52] } 28... Kg8 { [%clk 0:22:48] } 29. fxg6 { [%clk 0:43:02] } 29... fxg6 { [%clk 0:20:36] } 30. Rxh5 { [%clk 0:40:20] } 30... gxh5 { [%clk 0:21:01] } 31. Rg1+ { [%clk 0:39:03] } 31... Kh8 { [%clk 0:21:16] } 32. Rg5 { [%clk 0:37:35] } 32... Ne5 { [%clk 0:19:46] } 33. Rxh5+ { [%clk 0:37:51] } 33... Kg8 { [%clk 0:20:13] } 34. Qg1+ { [%clk 0:38:04] } 34... Ng6 { [%clk 0:20:05] } 35. Rh6 { [%clk 0:38:09] } 1-0