Event: Russian Women's Higher League 2021
Date: 2021-06-28
White: Kovalevskaya, Ekaterina
WhiteElo: 2382
Black: Nikolaeva, Nadezhda
BlackElo: 1839
Result: 1-0
ECO: B53
Opening: Sicilian Defense: Chekhover Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:49] } 1... c5 { [%eval 0.32] [%clk 1:30:54] } 2. Nf3 { [%eval 0.0] [%clk 1:31:13] } 2... d6 { [%eval 0.0] [%clk 1:31:12] } 3. d4 { [%eval 0.15] [%clk 1:30:29] } 3... cxd4 { [%eval 0.13] [%clk 1:31:33] } 4. Qxd4 { [%eval 0.0] [%clk 1:30:53] } 4... Nc6 { [%eval 0.12] [%clk 1:31:44] } 5. Qe3 { [%eval 0.0] [%clk 1:31:06] } 5... Nf6 { [%eval 0.0] [%clk 1:31:13] } 6. Be2 { [%eval 0.0] [%clk 1:31:20] } 6... e6?! { [%eval 0.67] } { Inaccuracy. g6 was best. } { [%clk 1:29:27] } 7. O-O?! { [%eval 0.13] } { Inaccuracy. c4 was best. } { [%clk 1:29:34] } 7... d5 { [%eval 0.58] [%clk 1:22:50] } 8. exd5 { [%eval 0.6] [%clk 1:23:10] } 8... Nxd5 { [%eval 0.61] [%clk 1:23:10] } 9. Qb3 { [%eval 0.56] [%clk 1:21:26] } 9... Bd7 { [%eval 0.87] [%clk 1:15:28] } 10. c4 { [%eval 1.01] [%clk 1:09:29] } 10... Nf6 { [%eval 0.97] [%clk 1:12:18] } 11. Nc3 { [%eval 1.16] [%clk 1:02:33] } 11... Bc5 { [%eval 1.12] [%clk 1:06:54] } 12. Bg5 { [%eval 0.88] [%clk 0:55:46] } 12... h6?! { [%eval 1.47] } { Inaccuracy. Qb6 was best. } { [%clk 1:04:22] } 13. Bh4?! { [%eval 0.86] } { Inaccuracy. Bxf6 was best. } { [%clk 0:53:07] } 13... g5?! { [%eval 1.4] } { Inaccuracy. Qb6 was best. } { [%clk 0:57:56] } 14. Bg3 { [%eval 1.33] [%clk 0:53:30] } 14... O-O?! { [%eval 1.93] } { Inaccuracy. Nh5 was best. } { [%clk 0:52:15] } 15. Rad1?! { [%eval 1.02] } { Inaccuracy. Qxb7 was best. } { [%clk 0:42:01] } 15... Qe7?! { [%eval 1.72] } { Inaccuracy. g4 was best. } { [%clk 0:37:27] } 16. Qxb7 { [%eval 2.16] [%clk 0:26:50] } 16... e5? { [%eval 3.79] } { Mistake. Rfc8 was best. } { [%clk 0:30:06] } 17. Nd5 { [%eval 4.05] [%clk 0:21:03] } 17... Nxd5 { [%eval 3.59] [%clk 0:30:20] } 18. Rxd5 { [%eval 3.91] [%clk 0:18:26] } 18... Be6? { [%eval 6.66] } { Mistake. Rad8 was best. } { [%clk 0:26:40] } 19. Qxc6 { [%eval 6.28] [%clk 0:16:55] } 19... Rac8 { [%eval 6.45] [%clk 0:24:31] } 20. Qa6 { [%eval 6.74] [%clk 0:14:18] } 20... Bxd5 { [%eval 6.91] [%clk 0:24:22] } 21. cxd5 { [%eval 7.05] [%clk 0:14:45] } 21... f6 { [%eval 6.91] [%clk 0:23:56] } 22. Nxe5 { [%eval 6.38] [%clk 0:09:57] } 22... fxe5 { [%eval 6.33] [%clk 0:22:41] } 23. Bg4 { [%eval 5.86] [%clk 0:10:08] } 23... Rce8 { [%eval 5.89] [%clk 0:16:18] } 24. Be6+ { [%eval 6.21] [%clk 0:06:27] } 24... Kg7 { [%eval 6.08] [%clk 0:11:52] } 25. Bxe5+ { [%eval 6.26] [%clk 0:06:50] } 25... Rf6 { [%eval 5.98] [%clk 0:12:17] } 26. Bxf6+ { [%eval 5.48] [%clk 0:02:04] } 26... Qxf6 { [%eval 4.98] [%clk 0:12:30] } 27. Qb5 { [%eval 5.54] [%clk 0:01:01] } 27... Qf8 { [%eval 5.44] [%clk 0:12:16] } 28. a3 { [%eval 4.9] [%clk 0:01:11] } 28... Rb8 { [%eval 4.99] [%clk 0:11:05] } 29. Qd7+ { [%eval 4.74] [%clk 0:01:34] } 29... Qe7 { [%eval 5.06] [%clk 0:10:34] } 30. b4 { [%eval 4.53] [%clk 0:01:48] } 30... Bd6?! { [%eval 6.13] } { Inaccuracy. Qxd7 was best. } { [%clk 0:08:29] } 31. Qxe7+ { [%eval 4.89] [%clk 0:01:25] } 31... Bxe7 { [%eval 4.85] [%clk 0:08:56] } 32. f4 { [%eval 3.96] [%clk 0:01:28] } 32... Rf8 { [%eval 4.12] [%clk 0:08:35] } 33. fxg5 { [%eval 3.86] [%clk 0:01:07] } 33... Rxf1+ { [%eval 4.43] [%clk 0:08:21] } 34. Kxf1 { [%eval 4.43] [%clk 0:01:35] } 34... Bxg5 { [%eval 4.25] [%clk 0:08:38] } 35. Ke2 { [%eval 4.32] [%clk 0:01:54] } 35... Kf6 { [%eval 4.54] [%clk 0:08:44] } 36. Kd3 { [%eval 4.94] [%clk 0:01:48] } 36... Ke5 { [%eval 4.78] [%clk 0:08:52] } 37. Kc4 { [%eval 5.0] [%clk 0:01:38] } 37... Kd6 { [%eval 5.13] [%clk 0:08:13] } 38. Kb5 { [%eval 5.37] [%clk 0:01:12] } 38... Kc7 { [%eval 5.01] [%clk 0:06:05] } 39. Ka6 { [%eval 5.4] [%clk 0:01:20] } 39... Be3 { [%eval 5.62] [%clk 0:05:46] } 40. g4 { [%eval 5.95] [%clk 0:31:24] } 40... Bf2 { [%eval 5.79] [%clk 0:35:03] } 41. a4 { [%eval 5.89] [%clk 0:31:03] } 41... Be1 { [%eval 6.92] [%clk 0:34:34] } 42. b5 { [%eval 7.17] [%clk 0:27:57] } 42... Bf2 { [%eval 8.69] [%clk 0:34:42] } 43. a5?! { [%eval 5.7] } { Inaccuracy. h4 was best. } { [%clk 0:27:58] } 43... Bc5?! { [%eval 8.99] } { Inaccuracy. Kb8 was best. } { [%clk 0:26:56] } 44. h4 { [%eval 9.07] [%clk 0:26:35] } 44... Kb8 { [%eval 10.5] [%clk 0:26:02] } 45. g5 { [%eval 10.46] [%clk 0:26:16] } 45... hxg5 { [%eval 13.49] [%clk 0:25:05] } 46. hxg5 { [%eval 14.07] [%clk 0:26:43] } 46... Bd4 { [%eval 18.42] [%clk 0:24:18] } 47. g6 { [%eval 14.49] [%clk 0:27:05] } 1-0