Event: Black Sea Grand Prix | Sea Harbour
Site: chess24.com
Date: 2021-06-03
White: Makhno, Maria
WhiteElo: 1966
Black: Petrov, Nikita
BlackTitle: GM
BlackElo: 2552
Result: 0-1
ECO: A28
Opening: English Opening: Four Knights System, Nimzowitsch Variation
Variant: Standard

1. c4 { [%eval 0.2] [%clk 1:30:56] } 1... e5 { [%eval 0.12] [%clk 1:23:39] } 2. Nc3 { [%eval 0.16] [%clk 1:31:20] } 2... Nf6 { [%eval 0.32] [%clk 1:23:54] } 3. Nf3 { [%eval 0.0] [%clk 1:31:19] } 3... Nc6 { [%eval 0.11] [%clk 1:24:13] } 4. e4 { [%eval 0.03] [%clk 1:31:08] } 4... Bb4 { [%eval 0.15] [%clk 1:23:17] } 5. d3 { [%eval 0.19] [%clk 1:29:13] } 5... d6 { [%eval 0.16] [%clk 1:21:39] } 6. a3 { [%eval 0.17] [%clk 1:27:33] } 6... Bc5 { [%eval 0.3] [%clk 1:19:12] } 7. b4 { [%eval 0.15] [%clk 1:24:29] } 7... Bb6 { [%eval 0.07] [%clk 1:19:31] } 8. Na4 { [%eval 0.12] [%clk 1:22:56] } 8... Bg4 { [%eval 0.0] [%clk 1:19:12] } 9. Nxb6 { [%eval 0.08] [%clk 1:21:35] } 9... axb6 { [%eval 0.13] [%clk 1:19:34] } 10. Bb2 { [%eval 0.17] [%clk 1:21:36] } 10... O-O { [%eval 0.5] [%clk 1:05:03] } 11. Be2 { [%eval 0.47] [%clk 1:17:04] } 11... Ne7 { [%eval 0.33] [%clk 1:00:57] } 12. O-O { [%eval 0.35] [%clk 1:06:52] } 12... Ng6 { [%eval 0.4] [%clk 1:00:56] } 13. h3 { [%eval 0.33] [%clk 1:01:13] } 13... Bd7 { [%eval 0.22] [%clk 1:00:22] } 14. Nh2 { [%eval -0.25] [%clk 0:54:12] } 14... Nf4 { [%eval 0.01] [%clk 0:54:34] } 15. Bg4?! { [%eval -0.87] } { Inaccuracy. Bc1 was best. } { [%clk 0:47:15] } 15... Nxg4 { [%eval -0.86] [%clk 0:51:35] } 16. hxg4 { [%eval -0.68] [%clk 0:47:12] } 16... b5 { [%eval -0.48] [%clk 0:48:09] } 17. c5?! { [%eval -1.16] } { Inaccuracy. g3 was best. } { [%clk 0:39:58] } 17... Bc6 { [%eval -1.3] [%clk 0:44:52] } 18. Nf3 { [%eval -1.35] [%clk 0:33:25] } 18... Qd7 { [%eval -1.45] [%clk 0:43:03] } 19. Ne1 { [%eval -1.43] [%clk 0:25:06] } 19... Rad8 { [%eval -1.02] [%clk 0:40:37] } 20. f3?! { [%eval -1.7] } { Inaccuracy. cxd6 was best. } { [%clk 0:18:36] } 20... Rfe8 { [%eval -1.18] [%clk 0:39:34] } 21. cxd6 { [%eval -1.3] [%clk 0:14:58] } 21... Qxd6 { [%eval -1.17] [%clk 0:38:07] } 22. d4?! { [%eval -1.96] } { Inaccuracy. Qc2 was best. } { [%clk 0:13:43] } 22... exd4 { [%eval -2.02] [%clk 0:36:24] } 23. Nd3 { [%eval -2.4] [%clk 0:13:10] } 23... Ne6 { [%eval -1.94] [%clk 0:29:33] } 24. Qc2?! { [%eval -2.69] } { Inaccuracy. Qe2 was best. } { [%clk 0:12:28] } 24... b6 { [%eval -2.57] [%clk 0:27:05] } 25. Rfd1 { [%eval -2.54] [%clk 0:10:04] } 25... Bb7 { [%eval -2.24] [%clk 0:25:16] } 26. a4 { [%eval -2.48] [%clk 0:06:26] } 26... bxa4 { [%eval -2.36] [%clk 0:25:27] } 27. b5 { [%eval -2.35] [%clk 0:06:44] } 27... c5 { [%eval -2.12] [%clk 0:10:37] } 28. Rxa4? { [%eval -4.0] } { Mistake. bxc6 was best. } { [%clk 0:07:00] } 28... Nc7?! { [%eval -2.6] } { Inaccuracy. Qd7 was best. } { [%clk 0:08:44] } 29. Qb3?! { [%eval -3.93] } { Inaccuracy. Ra7 was best. } { [%clk 0:05:23] } 29... Bc8 { [%eval -3.69] [%clk 0:07:32] } 30. Ra7?! { [%eval -4.71] } { Inaccuracy. Ba3 was best. } { [%clk 0:04:34] } 30... Be6 { [%eval -5.06] [%clk 0:07:47] } 31. Qa4 { [%eval -4.88] [%clk 0:04:41] } 31... Ra8 { [%eval -4.66] [%clk 0:06:56] } 32. Ra1 { [%eval -4.86] [%clk 0:03:39] } 32... Rxa7 { [%eval -4.64] [%clk 0:04:51] } 33. Qxa7 { [%eval -4.76] [%clk 0:04:07] } 33... Nxb5 { [%eval -4.51] [%clk 0:04:31] } 34. Qa6 { [%eval -4.88] [%clk 0:02:31] } 34... Bd7 { [%eval -4.59] [%clk 0:02:27] } 35. Bc1 { [%eval -5.15] [%clk 0:01:42] } 35... Nc3 { [%eval -5.33] [%clk 0:02:15] } 36. Kf2?! { [%eval -7.63] } { Inaccuracy. Nf4 was best. } { [%clk 0:00:39] } 36... Bb5 { [%eval -7.43] [%clk 0:02:18] } 37. Qa8 { [%eval -7.98] [%clk 0:00:58] } 37... h6 { [%clk 0:01:37] } 0-1