Event: Round 9: Nico Zwirs - Alexander Kovchan
Date: 2022-12-30
White: Nico Zwirs
Black: Alexander Kovchan
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:53] } 2. Nf3 { [%eval 0.0] [%clk 1:31:25] } 2... d6 { [%eval 0.0] [%clk 1:31:14] } 3. d4 { [%eval 0.25] [%clk 1:31:52] } 3... cxd4 { [%eval 0.13] [%clk 1:31:37] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:20] } 4... Nf6 { [%eval 0.31] [%clk 1:31:57] } 5. Nc3 { [%eval 0.18] [%clk 1:32:49] } 5... a6 { [%eval 0.39] [%clk 1:32:18] } 6. f3 { [%eval 0.33] [%clk 1:33:05] } 6... e5 { [%eval 0.39] [%clk 1:31:52] } 7. Nb3 { [%eval 0.26] [%clk 1:33:05] } 7... Be6 { [%eval 0.38] [%clk 1:32:14] } 8. Be3 { [%eval 0.4] [%clk 1:33:30] } 8... h5 { [%eval 0.44] [%clk 1:32:37] } 9. Qd2 { [%eval 0.28] [%clk 1:33:56] } 9... Nbd7 { [%eval 0.32] [%clk 1:32:57] } 10. O-O-O { [%eval 0.26] [%clk 1:34:18] } 10... Rc8 { [%eval 0.25] [%clk 1:32:47] } 11. Kb1 { [%eval 0.11] [%clk 1:34:20] } 11... Qc7?! { [%eval 1.02] } { Inaccuracy. Be7 was best. } { [%clk 1:32:26] } 12. h3?! { [%eval 0.34] } { Inaccuracy. Nd5 was best. } { [%clk 1:31:06] } 12... Be7 { [%eval 0.36] [%clk 1:31:11] } 13. Bd3 { [%eval 0.23] [%clk 1:30:53] } 13... h4 { [%eval 0.54] [%clk 1:29:03] } 14. f4 { [%eval 0.46] [%clk 1:28:59] } 14... b5 { [%eval 0.3] [%clk 1:27:25] } 15. Rhe1 { [%eval 0.38] [%clk 1:27:21] } 15... g6?! { [%eval 1.06] } { Inaccuracy. O-O was best. } { [%clk 1:13:05] } 16. a3 { [%eval 0.8] [%clk 1:04:32] } 16... Kf8 { [%eval 0.89] [%clk 1:03:22] } 17. Nd5? { [%eval -0.43] } { Mistake. Rf1 was best. } { [%clk 0:44:48] } 17... Bxd5 { [%eval 0.0] [%clk 0:46:53] } 18. exd5 { [%eval 0.0] [%clk 0:45:00] } 18... e4?? { [%eval 1.97] } { Blunder. Nxd5 was best. } { [%clk 0:46:20] } 19. Be2 { [%eval 1.65] [%clk 0:43:10] } 19... Nb6 { [%eval 1.92] [%clk 0:46:05] } 20. Bxb6?! { [%eval 0.97] } { Inaccuracy. f5 was best. } { [%clk 0:38:19] } 20... Qxb6 { [%eval 0.73] [%clk 0:46:28] } 21. f5 { [%eval 1.07] [%clk 0:33:48] } 21... g5 { [%eval 1.25] [%clk 0:42:31] } 22. Bg4? { [%eval -0.28] } { Mistake. Qxg5 was best. } { [%clk 0:17:43] } 22... Rg8 { [%eval -0.33] [%clk 0:36:58] } 23. Qd4?! { [%eval -1.28] } { Inaccuracy. c3 was best. } { [%clk 0:16:55] } 23... Bd8 { [%eval -0.8] [%clk 0:35:44] } 24. Qd2 { [%eval -0.64] [%clk 0:12:26] } 24... a5 { [%eval -0.22] [%clk 0:32:42] } 25. c3 { [%eval -0.59] [%clk 0:10:14] } 25... a4 { [%eval -0.21] [%clk 0:26:40] } 26. Nc1?! { [%eval -0.82] } { Inaccuracy. Na1 was best. } { [%clk 0:06:58] } 26... Rc5 { [%eval -0.42] [%clk 0:27:07] } 27. Qe3?! { [%eval -1.48] } { Inaccuracy. Qc2 was best. } { [%clk 0:06:02] } 27... Qb7 { [%eval -1.0] [%clk 0:21:26] } 28. g3 { [%eval -0.59] [%clk 0:06:28] } 28... hxg3 { [%eval -0.63] [%clk 0:15:12] } 29. Qxg3 { [%eval -0.9] [%clk 0:06:55] } 29... Be7?! { [%eval -0.3] } { Inaccuracy. Rxd5 was best. } { [%clk 0:15:29] } 30. Na2 { [%eval -0.59] [%clk 0:05:47] } 30... Rxd5 { [%eval -0.34] [%clk 0:14:30] } 31. Nb4 { [%eval -0.32] [%clk 0:05:38] } 31... Re5 { [%eval -0.23] [%clk 0:14:40] } 32. Rd4 { [%eval -0.21] [%clk 0:04:21] } 32... Qc7 { [%eval 0.14] [%clk 0:12:38] } 33. Red1 { [%eval 0.18] [%clk 0:03:50] } 33... Qc5 { [%eval 0.08] [%clk 0:12:52] } 34. Na6 { [%eval 0.0] [%clk 0:03:38] } 34... Qb6 { [%eval 0.0] [%clk 0:11:45] } 35. Nb4 { [%eval 0.07] [%clk 0:04:00] } 35... Qb7 { [%eval 0.0] [%clk 0:08:22] } 36. Re1 { [%eval -0.38] [%clk 0:00:35] } 36... Rh8 { [%eval -0.14] [%clk 0:08:15] } 37. Qe3 { [%eval -0.43] [%clk 0:00:40] } 37... Rh4 { [%eval 0.0] [%clk 0:07:11] } 38. Qg3 { [%eval -0.54] [%clk 0:00:57] } 38... Qc7 { [%eval -0.19] [%clk 0:04:50] } 39. Na6 { [%eval -0.62] [%clk 0:00:52] } 39... Qc8 { [%eval -0.52] [%clk 0:04:13] } 40. Nb4 { [%eval -0.5] [%clk 0:01:19] } 40... Qb7 { [%eval -0.75] [%clk 0:04:19] } 41. Ka1 { [%eval -0.57] [%clk 0:27:07] } 41... Qb6 { [%eval -0.43] [%clk 0:21:40] } 42. Kb1 { [%eval -0.42] [%clk 0:25:51] } 42... Qc5 { [%eval -0.4] [%clk 0:16:10] } 43. Na6 { [%eval -0.47] [%clk 0:25:37] } 43... Qc8 { [%eval -0.45] [%clk 0:16:16] } 44. Nb4 { [%eval -0.65] [%clk 0:25:59] } 44... Kg7?! { [%eval 0.0] } { Inaccuracy. Qb7 was best. } { [%clk 0:14:55] } 45. Ka1 { [%eval -0.38] [%clk 0:20:27] } 45... Kh8 { [%eval -0.2] [%clk 0:14:34] } 46. Red1 { [%eval -0.35] [%clk 0:18:16] } 46... Qc5 { [%eval -0.08] [%clk 0:13:42] } 47. Na6 { [%eval -0.25] [%clk 0:17:11] } 47... Qb6 { [%eval -0.27] [%clk 0:14:08] } 48. Nb4 { [%eval -0.07] [%clk 0:17:36] } 48... Qc5 { [%eval -0.44] [%clk 0:12:47] } 49. Na6 { [%eval -0.2] [%clk 0:17:54] } 49... Qb6 { [%eval 0.0] [%clk 0:12:29] } 1/2-1/2