Event: CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament
Site: Pardubice, Czech Republic
Date: 2025-07-17
White: Korshunov, Sergey And.
WhiteTitle: FM
WhiteElo: 2382
Black: Donchenko, Alexander
BlackTitle: GM
BlackElo: 2608
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Delayed Alapin Variation, with e6
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 1:30:40] } 2. Nf3 { [%eval 0.2] [%clk 1:31:21] } 2... e6 { [%eval 0.28] [%clk 1:30:56] } 3. c3 { [%eval 0.06] [%clk 1:31:06] } 3... d5 { [%eval 0.08] [%clk 1:31:04] } 4. e5 { [%eval 0.04] [%clk 1:31:27] } 4... d4 { [%eval 0.07] [%clk 1:31:07] } 5. d3 { [%eval 0.0] [%clk 1:31:50] } 5... Nc6 { [%eval 0.15] [%clk 1:31:15] } 6. g3 { [%eval 0.23] [%clk 1:32:13] } 6... Nge7 { [%eval 0.18] [%clk 1:31:10] } 7. Bg2 { [%eval 0.0] [%clk 1:32:36] } 7... dxc3 { [%eval 0.15] [%clk 1:31:16] } 8. bxc3 { [%eval 0.19] [%clk 1:31:41] } 8... b6 { [%eval 0.28] [%clk 1:31:39] } 9. O-O { [%eval 0.3] [%clk 1:29:40] } 9... Ba6 { [%eval 0.16] [%clk 1:30:40] } 10. Qa4 { [%eval 0.12] [%clk 1:16:34] } 10... Bb7 { [%eval 0.21] [%clk 1:31:03] } 11. Na3 { [%eval 0.19] [%clk 1:06:11] } 11... a6 { [%eval 0.24] [%clk 1:30:35] } 12. Nc4 { [%eval 0.07] [%clk 0:56:13] } 12... Nd5 { [%eval 0.06] [%clk 1:14:46] } 13. Qc2 { [%eval 0.1] [%clk 0:46:42] } 13... b5 { [%eval 0.02] [%clk 1:12:50] } 14. Rb1 { [%eval 0.01] [%clk 0:42:58] } 14... Qc7 { [%eval 0.44] [%clk 1:01:07] } 15. Ne3?! { [%eval -0.29] } { Inaccuracy. Qb2 was best. } { [%clk 0:35:20] } 15... Nb6 { [%eval -0.34] [%clk 0:54:05] } 16. Qe2 { [%eval -0.63] [%clk 0:33:19] } 16... Be7 { [%eval -0.69] [%clk 0:52:47] } 17. h4 { [%eval -0.6] [%clk 0:33:36] } 17... h5?! { [%eval 0.11] } { Inaccuracy. Rd8 was best. } { [%clk 0:47:15] } 18. Bd2 { [%eval -0.29] [%clk 0:31:08] } 18... Rd8 { [%eval -0.26] [%clk 0:46:13] } 19. c4 { [%eval -0.79] [%clk 0:29:16] } 19... b4 { [%eval -0.76] [%clk 0:45:11] } 20. Nc2 { [%eval -0.84] [%clk 0:29:11] } 20... a5 { [%eval -0.83] [%clk 0:42:02] } 21. a3 { [%eval -0.88] [%clk 0:27:52] } 21... Qd7 { [%eval -0.56] [%clk 0:34:20] } 22. axb4 { [%eval -0.7] [%clk 0:16:41] } 22... axb4 { [%eval -0.26] [%clk 0:34:32] } 23. d4 { [%eval -0.28] [%clk 0:10:07] } 23... Ba6 { [%eval -0.3] [%clk 0:33:10] } 24. dxc5? { [%eval -1.96] } { Mistake. Rfc1 was best. } { [%clk 0:04:36] } 24... Bxc4 { [%eval -1.98] [%clk 0:32:22] } 25. Qe1 { [%eval -1.83] [%clk 0:03:33] } 25... Bxc5? { [%eval -0.48] } { Mistake. Nd5 was best. } { [%clk 0:26:00] } 26. Nxb4 { [%eval -0.5] [%clk 0:03:26] } 26... Ne7 { [%eval 0.0] [%clk 0:24:42] } 27. Be3 { [%eval 0.0] [%clk 0:00:56] } 27... Bxe3 { [%eval 0.0] [%clk 0:14:50] } 28. Qxe3 { [%eval 0.0] [%clk 0:01:22] } 28... Bxf1 { [%eval 0.0] [%clk 0:15:15] } 29. Bxf1 { [%eval 0.0] [%clk 0:01:46] } 29... Nbd5 { [%eval 0.0] [%clk 0:15:40] } 30. Nxd5 { [%eval 0.0] [%clk 0:01:41] } 30... Qxd5 { [%eval 0.0] [%clk 0:14:53] } 31. Bb5+ { [%eval 0.0] [%clk 0:01:19] } 31... Kf8 { [%eval 0.0] [%clk 0:15:19] } 32. Be2 { [%eval 0.0] [%clk 0:01:25] } 32... Nc6 { [%eval 0.25] [%clk 0:11:57] } 33. Rd1 { [%eval 0.0] [%clk 0:01:04] } 33... Qa5 { [%eval 0.0] [%clk 0:11:47] } 34. Rc1 { [%eval -0.16] [%clk 0:01:28] } 34... Ne7 { [%eval 0.0] [%clk 0:11:36] } 35. Ng5 { [%eval 0.0] [%clk 0:01:01] } 35... Nf5 { [%eval 0.0] [%clk 0:10:30] } 36. Qe4 { [%eval 0.0] [%clk 0:01:21] } 36... Qa7 { [%eval -0.1] [%clk 0:08:34] } 37. Kg2? { [%eval -1.63] } { Mistake. Bc4 was best. } { [%clk 0:01:08] } 37... g6 { [%eval -1.52] [%clk 0:07:35] } 38. Rb1?! { [%eval -2.49] } { Inaccuracy. Bd3 was best. } { [%clk 0:01:02] } 38... Rb8 { [%eval -2.49] [%clk 0:06:02] } 39. Rxb8+ { [%eval -2.54] [%clk 0:00:52] } 39... Qxb8 { [%eval -2.59] [%clk 0:06:30] } 40. Qc6 { [%eval -3.11] [%clk 0:01:04] } 40... Kg7 { [%eval -3.03] [%clk 0:05:57] } 41. Qd7 { [%eval -2.96] [%clk 0:00:33] } 41... Qe8 { [%eval -2.93] [%clk 0:03:55] } 42. Qb7 { [%eval -2.89] [%clk 0:25:39] } 42... Nd4 { [%eval -2.4] [%clk 0:30:23] } 43. Bf3 { [%eval -2.01] [%clk 0:25:13] } 43... Rf8 { [%eval -2.26] [%clk 0:30:08] } 44. Qe4 { [%eval -2.16] [%clk 0:24:01] } 44... Nxf3?? { [%eval -0.22] } { Blunder. Nf5 was best. } { [%clk 0:27:25] } 45. Qxf3 { [%eval -0.27] [%clk 0:23:55] } 45... Qa8 { [%eval -0.35] [%clk 0:27:39] } 46. Ne4?! { [%eval -1.28] } { Inaccuracy. Qxa8 was best. } { [%clk 0:24:19] } 46... Rd8?! { [%eval -0.44] } { Inaccuracy. Rb8 was best. } { [%clk 0:26:40] } 47. Kh2 { [%eval -0.45] [%clk 0:22:29] } 47... Rd7 { [%eval -0.35] [%clk 0:20:50] } 48. Qf6+ { [%eval -0.41] [%clk 0:16:02] } 48... Kg8 { [%eval -0.8] [%clk 0:21:07] } 49. Nd6 { [%eval -0.28] [%clk 0:10:42] } 49... Qf8 { [%eval -0.4] [%clk 0:19:34] } 50. Qf4 { [%eval -0.37] [%clk 0:09:38] } 50... Ra7 { [%eval -0.45] [%clk 0:17:14] } 51. Ne4 { [%eval -0.37] [%clk 0:08:38] } 51... Qa8 { [%eval -0.36] [%clk 0:16:15] } 52. Nd6 { [%eval -0.23] [%clk 0:05:02] } 52... Qd8 { [%eval -0.34] [%clk 0:15:47] } 53. Qf3?! { [%eval -1.07] } { Inaccuracy. Ne4 was best. } { [%clk 0:04:08] } 53... Qe7?! { [%eval -0.23] } { Inaccuracy. f5 was best. } { [%clk 0:13:18] } 54. Qf4 { [%eval -0.38] [%clk 0:04:21] } 54... Ra2 { [%eval -0.26] [%clk 0:13:25] } 55. Kg2 { [%eval -0.27] [%clk 0:03:51] } 55... Qf8 { [%eval -0.18] [%clk 0:11:41] } 56. Kh2 { [%eval -0.15] [%clk 0:04:08] } 56... Ra1 { [%eval -0.15] [%clk 0:11:53] } 57. Qf6 { [%eval -0.18] [%clk 0:02:06] } 57... Ra5 { [%eval 0.0] [%clk 0:09:55] } 58. Nxf7 { [%eval 0.0] [%clk 0:00:55] } 58... Qxf7 { [%eval -0.03] [%clk 0:07:34] } 59. Qd8+ { [%eval -0.02] [%clk 0:01:22] } 59... Kg7 { [%clk 0:07:23] } 60. Qxa5 { [%clk 0:01:48] } 60... Qxf2+ { [%clk 0:07:50] } 61. Kh3 { [%clk 0:01:36] } 61... Qg1 { [%clk 0:08:03] } 62. Qc7+ { [%clk 0:01:47] } 62... Kh6 { [%clk 0:08:32] } 63. Qb7 { [%clk 0:01:11] } 63... Qf1+ { [%clk 0:07:18] } 64. Qg2 { [%clk 0:01:24] } 64... Qf5+ { [%clk 0:07:17] } 65. Kh2 { [%clk 0:01:51] } 65... Qxe5 { [%clk 0:07:42] } 66. Qd2+ { [%clk 0:02:18] } 66... g5 { [%clk 0:08:04] } 67. hxg5+ { [%clk 0:01:33] } 67... Qxg5 { [%clk 0:08:05] } 68. Qd6 { [%clk 0:01:56] } 68... Qf6 { [%clk 0:08:06] } 69. Qb6 { [%clk 0:01:56] } 69... Kg6 { [%clk 0:08:19] } 70. Qb1+ { [%clk 0:01:44] } 70... Qf5 { [%clk 0:08:28] } 71. Qa2 { [%clk 0:01:55] } 71... Qe4 { [%clk 0:08:25] } 72. Qa6 { [%clk 0:01:26] } 72... Kg5 { [%clk 0:08:30] } 73. Kh3 { [%clk 0:00:44] } 73... Qh1# { [%clk 0:08:55] } 0-1