Event: CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament, part of the ACP world series
Site: Pardubice, Czech Republic
Date: 2025-07-25
White: Piesik, Piotr
WhiteTitle: IM
WhiteElo: 2436
Black: Alexikov, Alexander
BlackTitle: IM
BlackElo: 2171
Result: 1-0
ECO: E92
Opening: King's Indian Defense: Petrosian Variation, Stein Defense
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min + 30 s/move

1. d4 { [%eval 0.17] [%clk 1:30:51] } 1... Nf6 { [%eval 0.19] [%clk 1:30:49] } 2. c4 { [%eval 0.18] [%clk 1:30:55] } 2... g6 { [%eval 0.28] [%clk 1:30:45] } 3. Nc3 { [%eval 0.18] [%clk 1:31:20] } 3... Bg7 { [%eval 0.51] [%clk 1:31:09] } 4. e4 { [%eval 0.4] [%clk 1:31:38] } 4... d6 { [%eval 0.55] [%clk 1:31:33] } 5. Be2 { [%eval 0.51] [%clk 1:31:46] } 5... O-O { [%eval 0.48] [%clk 1:29:06] } 6. Nf3 { [%eval 0.45] [%clk 1:31:43] } 6... e5 { [%eval 0.39] [%clk 1:29:26] } 7. d5 { [%eval 0.31] [%clk 1:23:08] } 7... a5 { [%eval 0.35] [%clk 1:29:37] } 8. Bg5 { [%eval 0.38] [%clk 1:23:32] } 8... h6 { [%eval 0.53] [%clk 1:30:01] } 9. Bh4 { [%eval 0.42] [%clk 1:23:58] } 9... Na6 { [%eval 0.41] [%clk 1:30:19] } 10. Nd2 { [%eval 0.38] [%clk 1:22:31] } 10... Qe8 { [%eval 0.34] [%clk 1:27:32] } 11. O-O { [%eval 0.33] [%clk 1:22:34] } 11... Bd7 { [%eval 0.11] [%clk 1:27:07] } 12. b3 { [%eval 0.14] [%clk 1:18:27] } 12... Nh7 { [%eval 0.08] [%clk 1:26:46] } 13. f3 { [%eval 0.18] [%clk 1:15:52] } 13... h5 { [%eval 0.12] [%clk 1:26:08] } 14. a3 { [%eval 0.16] [%clk 1:15:00] } 14... Bh6 { [%eval 0.32] [%clk 1:25:29] } 15. Rb1 { [%eval 0.36] [%clk 1:13:01] } 15... Be3+ { [%eval 0.52] [%clk 1:18:54] } 16. Kh1 { [%eval 0.4] [%clk 1:06:01] } 16... g5 { [%eval 0.72] [%clk 1:10:45] } 17. Be1?! { [%eval 0.14] } { Inaccuracy. Bf2 was best. } { [%clk 0:47:50] } 17... h4 { [%eval 0.53] [%clk 1:07:54] } 18. b4 { [%eval 0.26] [%clk 0:45:47] } 18... axb4 { [%eval 0.4] [%clk 1:04:50] } 19. axb4 { [%eval 0.21] [%clk 0:46:06] } 19... Kg7?! { [%eval 0.98] } { Inaccuracy. h3 was best. } { [%clk 1:05:17] } 20. Bf2 { [%eval 0.95] [%clk 0:42:02] } 20... Bxf2 { [%eval 0.86] [%clk 1:03:14] } 21. Rxf2 { [%eval 0.9] [%clk 0:42:28] } 21... Nf6 { [%eval 1.39] [%clk 1:02:34] } 22. Nf1 { [%eval 1.25] [%clk 0:41:28] } 22... Nh5 { [%eval 1.25] [%clk 1:02:32] } 23. Ne3 { [%eval 1.41] [%clk 0:40:54] } 23... Ng3+ { [%eval 1.26] [%clk 1:00:37] } 24. Kg1 { [%eval 1.47] [%clk 0:41:16] } 24... Nxe2+?! { [%eval 2.13] } { Inaccuracy. f5 was best. } { [%clk 0:47:54] } 25. Rxe2 { [%eval 1.93] [%clk 0:41:28] } 25... f5 { [%eval 2.39] [%clk 0:46:15] } 26. exf5 { [%eval 2.45] [%clk 0:38:51] } 26... Bxf5 { [%eval 2.51] [%clk 0:46:44] } 27. Nxf5+ { [%eval 2.36] [%clk 0:39:11] } 27... Rxf5 { [%eval 2.36] [%clk 0:47:07] } 28. h3 { [%eval 2.44] [%clk 0:39:32] } 28... Qg6 { [%eval 2.56] [%clk 0:46:35] } 29. Ne4 { [%eval 2.52] [%clk 0:37:47] } 29... Rf4 { [%eval 2.7] [%clk 0:44:28] } 30. Qd3 { [%eval 2.56] [%clk 0:26:05] } 30... Rd8 { [%eval 2.84] [%clk 0:33:32] } 31. c5 { [%eval 2.75] [%clk 0:23:50] } 31... Nb8?! { [%eval 3.76] } { Inaccuracy. Rdf8 was best. } { [%clk 0:31:35] } 32. Rc1 { [%eval 3.21] [%clk 0:20:10] } 32... dxc5 { [%eval 3.04] [%clk 0:31:04] } 33. Nxc5 { [%eval 2.7] [%clk 0:15:19] } 33... c6? { [%eval 4.54] } { Mistake. Qxd3 was best. } { [%clk 0:25:55] } 34. Qxg6+?! { [%eval 3.19] } { Inaccuracy. Qc3 was best. } { [%clk 0:13:40] } 34... Kxg6 { [%eval 3.2] [%clk 0:26:24] } 35. dxc6 { [%eval 2.98] [%clk 0:13:59] } 35... Nxc6 { [%eval 2.74] [%clk 0:26:34] } 36. Nxb7?! { [%eval 1.59] } { Inaccuracy. Ne6 was best. } { [%clk 0:09:28] } 36... Nd4 { [%eval 1.33] [%clk 0:25:18] } 37. Rxe5 { [%eval 1.73] [%clk 0:09:12] } 37... Rb8?! { [%eval 2.69] } { Inaccuracy. Ra8 was best. } { [%clk 0:25:47] } 38. Nc5 { [%eval 2.7] [%clk 0:02:07] } 38... Rxf3 { [%eval 2.59] [%clk 0:23:52] } 39. Nd7 { [%eval 3.67] [%clk 0:01:04] } 39... Rxb4 { [%eval 3.39] [%clk 0:23:35] } 40. gxf3 { [%eval 3.29] [%clk 0:00:43] } 40... Nxf3+ { [%eval 2.86] [%clk 0:23:51] } 41. Kg2 { [%eval 2.75] [%clk 0:00:36] } 41... Nxe5 { [%eval 3.0] [%clk 0:23:40] } 42. Nxe5+ { [%eval 2.85] [%clk 0:01:01] } 42... Kf5 { [%eval 2.47] [%clk 0:24:07] } 43. Ng4 { [%eval 2.01] [%clk 0:00:58] } 43... Rb3 { [%eval 1.85] [%clk 0:22:47] } 44. Rf1+ { [%clk 0:29:56] } 44... Kg6 { [%clk 0:52:38] } 45. Rf3 { [%clk 0:28:18] } 45... Rb2+ { [%clk 0:52:44] } 46. Rf2 { [%clk 0:26:07] } 46... Rb5 { [%clk 0:51:50] } 47. Rf6+ { [%clk 0:26:03] } 47... Kg7 { [%clk 0:52:14] } 48. Re6 { [%clk 0:26:24] } 48... Rf5 { [%clk 0:51:58] } 49. Re5 { [%clk 0:26:34] } 1-0