Event: Round 8: Klimkowski, Jan - Grebnev, Aleksey
Date: 2025-05-24
White: Klimkowski, Jan
WhiteTitle: GM
WhiteElo: 2503
Black: Grebnev, Aleksey
BlackTitle: GM
BlackElo: 2556
Result: 1/2-1/2
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:51] } 2. c4 { [%eval 0.18] [%clk 1:31:21] } 2... e6 { [%eval 0.14] [%clk 1:31:18] } 3. Nc3 { [%eval 0.09] [%clk 1:31:46] } 3... Bb4 { [%eval 0.09] [%clk 1:31:43] } 4. f3 { [%eval 0.0] [%clk 1:32:12] } 4... d5 { [%eval 0.19] [%clk 1:31:56] } 5. a3 { [%eval 0.13] [%clk 1:32:27] } 5... Bxc3+ { [%eval 0.07] [%clk 1:32:22] } 6. bxc3 { [%eval 0.03] [%clk 1:32:52] } 6... dxc4 { [%eval 0.43] [%clk 1:32:49] } 7. e4 { [%eval 0.37] [%clk 1:23:31] } 7... b5 { [%eval 0.37] [%clk 1:32:53] } 8. a4 { [%eval 0.35] [%clk 1:20:56] } 8... c6 { [%eval 0.35] [%clk 1:33:15] } 9. Ba3 { [%eval 0.38] [%clk 1:19:42] } 9... Nfd7 { [%eval 0.35] [%clk 1:33:30] } 10. Nh3 { [%eval 0.23] [%clk 1:00:54] } 10... a6 { [%eval 0.33] [%clk 1:33:30] } 11. Be2 { [%eval 0.35] [%clk 0:59:58] } 11... Nb6 { [%eval 0.33] [%clk 1:30:32] } 12. axb5 { [%eval 0.33] [%clk 0:59:43] } 12... cxb5 { [%eval 0.69] [%clk 1:30:48] } 13. Nf4 { [%eval 0.56] [%clk 0:56:00] } 13... Bb7 { [%eval 0.81] [%clk 1:24:20] } 14. O-O { [%eval 0.68] [%clk 0:55:16] } 14... Qg5 { [%eval 0.71] [%clk 1:23:47] } 15. Qc1 { [%eval 0.77] [%clk 0:50:21] } 15... h6 { [%eval 0.83] [%clk 1:23:57] } 16. g3 { [%eval 0.66] [%clk 0:46:33] } 16... N8d7 { [%eval 0.76] [%clk 1:20:31] } 17. Bb4 { [%eval 0.78] [%clk 0:39:38] } 17... Rc8 { [%eval 1.34] [%clk 1:16:54] } 18. Rd1 { [%eval 0.85] [%clk 0:38:39] } 18... Qf6 { [%eval 1.34] [%clk 1:14:38] } 19. Qe3 { [%eval 1.35] [%clk 0:34:35] } 19... h5 { [%eval 1.64] [%clk 1:13:36] } 20. h4 { [%eval 1.46] [%clk 0:33:27] } 20... g5 { [%eval 1.36] [%clk 1:13:15] } 21. hxg5 { [%eval 1.35] [%clk 0:32:37] } 21... Qxg5 { [%eval 1.33] [%clk 1:13:39] } 22. Kf2 { [%eval 1.33] [%clk 0:31:30] } 22... h4 { [%eval 1.41] [%clk 1:12:45] } 23. g4 { [%eval 1.39] [%clk 0:28:45] } 23... h3 { [%eval 1.42] [%clk 1:12:33] } 24. Rh1 { [%eval 1.28] [%clk 0:25:24] } 24... Qh4+ { [%eval 1.45] [%clk 1:08:42] } 25. Kf1 { [%eval 1.27] [%clk 0:25:49] } 25... Qg3 { [%eval 1.7] [%clk 1:08:27] } 26. Rg1 { [%eval 1.55] [%clk 0:25:35] } 26... Qh4 { [%eval 1.73] [%clk 1:05:25] } 27. Rh1 { [%eval 1.23] [%clk 0:25:59] } 27... Qg3 { [%eval 1.66] [%clk 1:05:51] } 28. Rg1 { [%eval 1.72] [%clk 0:25:16] } 28... Qh4 { [%eval 1.72] [%clk 1:06:15] } 29. Nh5 { [%eval 1.53] [%clk 0:22:48] } 29... f6?! { [%eval 2.34] } { Inaccuracy. Nf6 was best. } { [%clk 1:02:50] } 30. Rh1 { [%eval 1.83] [%clk 0:16:40] } 30... Kf7 { [%eval 1.81] [%clk 1:02:21] } 31. f4? { [%eval 0.54] } { Mistake. Ra2 was best. } { [%clk 0:13:05] } 31... h2 { [%eval 0.69] [%clk 1:02:35] } 32. Ra2 { [%eval 0.67] [%clk 0:08:20] } 32... Rcg8?! { [%eval 1.62] } { Inaccuracy. f5 was best. } { [%clk 1:01:03] } 33. Bd1 { [%eval 1.61] [%clk 0:06:24] } 33... Rxh5 { [%eval 1.33] [%clk 0:59:32] } 34. gxh5 { [%eval 1.25] [%clk 0:06:50] } 34... Rg3 { [%eval 1.36] [%clk 0:54:57] } 35. Qf2 { [%eval 1.49] [%clk 0:07:02] } 35... Rg1+? { [%eval 2.91] } { Mistake. Bxe4 was best. } { [%clk 0:51:15] } 36. Rxg1 { [%eval 2.7] [%clk 0:07:18] } 36... h1=Q { [%eval 2.64] [%clk 0:51:35] } 37. Rxh1 { [%eval 2.75] [%clk 0:07:26] } 37... Qxh1+ { [%eval 2.66] [%clk 0:52:02] } 38. Qg1 { [%eval 2.26] [%clk 0:06:34] } 38... Qxe4 { [%eval 2.0] [%clk 0:52:26] } 39. Re2 { [%eval 1.72] [%clk 0:02:08] } 39... Qxf4+ { [%eval 2.2] [%clk 0:50:54] } 40. Ke1 { [%eval 2.02] [%clk 0:02:02] } 40... Qh4+ { [%eval 2.17] [%clk 0:48:46] } 41. Rf2? { [%eval 0.51] } { Mistake. Kd2 was best. } { [%clk 0:02:09] } 41... Qe4+? { [%eval 1.85] } { Mistake. Be4 was best. } { [%clk 0:49:02] } 42. Re2 { [%eval 1.99] [%clk 0:02:30] } 42... Qh4+ { [%eval 1.64] [%clk 0:49:10] } 43. Rf2? { [%eval 0.01] } { Mistake. Kd2 was best. } { [%clk 0:02:56] } 43... Qe4+ { [%eval 0.03] [%clk 0:45:57] } 44. Re2 { [%eval 0.0] [%clk 0:03:21] } 1/2-1/2