Event: Black Sea Grand Prix | Sea Harbour
Site: chess24.com
Date: 2021-06-10
White: Ponkratov, Pavel
WhiteTitle: GM
WhiteElo: 2627
Black: Petrov, Nikita
BlackTitle: GM
BlackElo: 2552
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:26:42] } 1... c5 { [%eval 0.32] [%clk 1:29:23] } 2. Nf3 { [%eval 0.0] [%clk 1:27:06] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:29:39] } 3. d4 { [%eval 0.32] [%clk 1:27:16] } 3... cxd4 { [%eval 0.15] [%clk 1:30:00] } 4. Nxd4 { [%eval 0.23] [%clk 1:27:41] } 4... Nf6 { [%eval 0.26] [%clk 1:30:10] } 5. Nc3 { [%eval 0.0] [%clk 1:28:03] } 5... Nc6 { [%eval 0.13] [%clk 1:30:37] } 6. Nxc6 { [%eval 0.3] [%clk 1:25:49] } 6... bxc6 { [%eval 0.29] [%clk 1:30:59] } 7. e5 { [%eval 0.32] [%clk 1:26:18] } 7... Nd5 { [%eval 0.48] [%clk 1:31:23] } 8. Ne4 { [%eval 0.01] [%clk 1:26:45] } 8... Qc7 { [%eval 0.46] [%clk 1:30:51] } 9. f4 { [%eval 0.24] [%clk 1:27:11] } 9... Qb6 { [%eval 0.41] [%clk 1:30:59] } 10. c4 { [%eval 0.31] [%clk 1:27:15] } 10... Bb4+ { [%eval 0.4] [%clk 1:30:39] } 11. Ke2 { [%eval 0.76] [%clk 1:27:42] } 11... f5 { [%eval 0.42] [%clk 1:30:03] } 12. Nf2 { [%eval 0.63] [%clk 1:28:13] } 12... Ba6 { [%eval 0.67] [%clk 1:29:04] } 13. Kf3 { [%eval 0.69] [%clk 1:28:33] } 13... Ne7 { [%eval 0.34] [%clk 1:29:21] } 14. Be3 { [%eval 0.54] [%clk 1:29:00] } 14... Bc5 { [%eval 0.35] [%clk 1:29:44] } 15. Bxc5 { [%eval 0.45] [%clk 1:29:25] } 15... Qxc5 { [%eval 0.49] [%clk 1:30:08] } 16. Qd6 { [%eval 0.39] [%clk 1:29:47] } 16... Qa5 { [%eval 0.89] [%clk 1:30:21] } 17. h4?! { [%eval 0.31] } { Inaccuracy. Be2 was best. } { [%clk 1:21:21] } 17... Rd8 { [%eval 0.4] [%clk 1:19:46] } 18. Kg3 { [%eval 0.16] [%clk 1:10:31] } 18... Nc8 { [%eval 0.2] [%clk 1:13:25] } 19. Qd4 { [%eval 0.0] [%clk 1:10:35] } 19... O-O { [%eval 0.04] [%clk 1:11:20] } 20. Nd3 { [%eval 0.15] [%clk 0:52:56] } 20... d6 { [%eval 0.23] [%clk 1:04:14] } 21. b3 { [%eval 0.01] [%clk 0:40:45] } 21... c5 { [%eval 0.26] [%clk 0:55:22] } 22. Qe3 { [%eval 0.0] [%clk 0:40:50] } 22... dxe5 { [%eval 0.21] [%clk 0:52:46] } 23. Nxe5 { [%eval 0.15] [%clk 0:32:09] } 23... Bb7 { [%eval 0.44] [%clk 0:46:00] } 24. Bd3 { [%eval 0.0] [%clk 0:29:09] } 24... Rd4?? { [%eval 1.58] } { Blunder. Nd6 was best. } { [%clk 0:35:07] } 25. Rhd1?? { [%eval -0.85] } { Blunder. b4 was best. } { [%clk 0:17:29] } 25... Rfd8? { [%eval 0.37] } { Mistake. Nd6 was best. } { [%clk 0:22:16] } 26. Kh2?! { [%eval -0.4] } { Inaccuracy. Nf3 was best. } { [%clk 0:16:23] } 26... Nd6 { [%eval -0.36] [%clk 0:17:06] } 27. Bc2 { [%eval -0.65] [%clk 0:13:47] } 27... Ne4?! { [%eval 0.29] } { Inaccuracy. Nf7 was best. } { [%clk 0:10:19] } 28. b4 { [%eval 0.18] [%clk 0:14:10] } 28... Qc7 { [%eval 0.12] [%clk 0:06:26] } 29. bxc5 { [%eval 0.14] [%clk 0:14:16] } 29... Rxd1 { [%eval 0.07] [%clk 0:05:34] } 30. Rxd1 { [%eval 0.27] [%clk 0:14:40] } 30... Rxd1 { [%eval 0.59] [%clk 0:05:20] } 31. Bxd1 { [%eval 0.52] [%clk 0:15:07] } 31... Nxc5 { [%eval 0.45] [%clk 0:05:11] } 32. Bf3 { [%eval 0.35] [%clk 0:12:25] } 32... Bxf3 { [%eval 0.4] [%clk 0:05:19] } 33. gxf3 { [%eval 0.39] [%clk 0:12:49] } 33... Qd6 { [%eval 0.16] [%clk 0:05:26] } 34. Kh3 { [%eval 0.1] [%clk 0:11:58] } 34... h6 { [%eval 0.2] [%clk 0:04:06] } 35. h5 { [%eval 0.42] [%clk 0:10:45] } 35... a5 { [%eval 0.18] [%clk 0:04:02] } 36. Qe1 { [%eval 0.37] [%clk 0:07:47] } 36... Qd4 { [%eval 0.22] [%clk 0:03:20] } 37. Qxa5 { [%eval 0.0] [%clk 0:07:17] } 37... Qf2 { [%eval 0.0] [%clk 0:03:11] } 38. Qd8+ { [%eval 0.0] [%clk 0:07:12] } 38... Kh7 { [%eval 0.0] [%clk 0:03:37] } 39. Qd1 { [%eval 0.0] [%clk 0:07:35] } 39... Qe3 { [%clk 0:01:28] } 40. Qd6 { [%clk 0:02:20] } 40... Qf2 { [%clk 0:01:52] } 1/2-1/2