Event: Black Sea Grand Prix | Tuapse
Site: chess24.com
Date: 2021-07-05
White: Grachev, Boris
WhiteTitle: GM
WhiteElo: 2611
Black: Petrov, Nikita
BlackTitle: GM
BlackElo: 2552
Result: 1/2-1/2
ECO: D47
Opening: Semi-Slav Defense: Meran Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:23:29] } 1... d5 { [%eval 0.23] [%clk 1:30:58] } 2. Nf3 { [%eval 0.0] [%clk 1:23:09] } 2... Nf6 { [%eval 0.09] [%clk 1:31:21] } 3. c4 { [%eval 0.0] [%clk 1:23:36] } 3... e6 { [%eval 0.2] [%clk 1:31:46] } 4. Nc3 { [%eval 0.0] [%clk 1:24:01] } 4... c6 { [%eval 0.16] [%clk 1:31:53] } 5. e3 { [%eval 0.01] [%clk 1:22:36] } 5... Nbd7 { [%eval 0.2] [%clk 1:32:08] } 6. Bd3 { [%eval 0.01] [%clk 1:20:36] } 6... dxc4 { [%eval 0.0] [%clk 1:32:25] } 7. Bxc4 { [%eval 0.0] [%clk 1:21:01] } 7... b5 { [%eval 0.14] [%clk 1:32:50] } 8. Be2 { [%eval 0.2] [%clk 1:21:12] } 8... Bb7 { [%eval 0.0] [%clk 1:28:22] } 9. O-O { [%eval 0.18] [%clk 1:20:00] } 9... Bd6?! { [%eval 0.75] } { Inaccuracy. Be7 was best. } { [%clk 1:25:54] } 10. e4 { [%eval 0.8] [%clk 1:11:57] } 10... e5 { [%eval 0.63] [%clk 1:26:01] } 11. dxe5 { [%eval 0.81] [%clk 1:06:53] } 11... Nxe5 { [%eval 0.87] [%clk 1:26:26] } 12. Nd4 { [%eval 0.77] [%clk 1:03:48] } 12... O-O { [%eval 0.68] [%clk 1:03:27] } 13. Nf5 { [%eval 0.75] [%clk 0:58:43] } 13... Bc5 { [%eval 0.65] [%clk 0:28:33] } 14. Bg5 { [%eval 0.92] [%clk 0:52:01] } 14... Bc8 { [%eval 0.62] [%clk 0:25:27] } 15. Nh6+ { [%eval 0.97] [%clk 0:44:23] } 15... Kh8 { [%eval 0.5] [%clk 0:17:22] } 16. Qxd8 { [%eval 0.47] [%clk 0:42:35] } 16... Rxd8 { [%eval 0.36] [%clk 0:17:48] } 17. Bf4 { [%eval 0.5] [%clk 0:40:40] } 17... Nfd7 { [%eval 0.75] [%clk 0:18:04] } 18. Rfd1 { [%eval 0.87] [%clk 0:36:19] } 18... Bb6 { [%eval 0.67] [%clk 0:11:50] } 19. Nf5 { [%eval 0.62] [%clk 0:35:08] } 19... f6 { [%eval 0.54] [%clk 0:12:13] } 20. Nd6?! { [%eval 0.02] } { Inaccuracy. Rac1 was best. } { [%clk 0:33:19] } 20... Rf8? { [%eval 1.28] } { Mistake. Kg8 was best. } { [%clk 0:12:22] } 21. Rac1? { [%eval 0.22] } { Mistake. a4 was best. } { [%clk 0:23:04] } 21... Nc5 { [%eval 0.13] [%clk 0:11:58] } 22. Be3 { [%eval 0.11] [%clk 0:18:48] } 22... Ne6 { [%eval 0.13] [%clk 0:12:06] } 23. Bxb6 { [%eval 0.02] [%clk 0:19:09] } 23... axb6 { [%eval 0.16] [%clk 0:12:33] } 24. a3 { [%eval 0.06] [%clk 0:19:36] } 24... Nf4 { [%eval 0.31] [%clk 0:10:21] } 25. Nxc8 { [%eval 0.1] [%clk 0:17:33] } 25... Nxe2+ { [%eval 0.35] [%clk 0:09:10] } 26. Nxe2 { [%eval 0.34] [%clk 0:17:59] } 26... Raxc8 { [%eval 0.31] [%clk 0:08:50] } 27. b3 { [%eval -0.07] [%clk 0:12:48] } 27... g5 { [%eval -0.13] [%clk 0:07:49] } 28. Nd4 { [%eval 0.0] [%clk 0:11:21] } 28... Rfd8 { [%eval -0.07] [%clk 0:07:37] } 29. Kf1 { [%eval 0.0] [%clk 0:10:12] } 29... Ra8 { [%eval 0.0] [%clk 0:06:19] } 30. Nf5 { [%eval -0.12] [%clk 0:09:29] } 30... Rxd1+ { [%eval -0.11] [%clk 0:04:00] } 31. Rxd1 { [%eval 0.0] [%clk 0:09:53] } 31... Kg8 { [%eval -0.15] [%clk 0:04:24] } 32. Rd6 { [%eval -0.12] [%clk 0:08:43] } 32... Kf7 { [%eval -0.09] [%clk 0:04:12] } 33. Nd4 { [%eval -0.04] [%clk 0:05:42] } 33... Ke7 { [%eval -0.12] [%clk 0:04:28] } 34. Nf5+ { [%eval -0.11] [%clk 0:05:58] } 34... Kf7 { [%eval -0.06] [%clk 0:04:56] } 35. Nd4 { [%eval -0.08] [%clk 0:06:25] } 35... Ke7 { [%eval 0.0] [%clk 0:05:23] } 36. Nf5+ { [%clk 0:06:47] } 36... Kf7 { [%clk 0:05:46] } 37. Nd4 { [%clk 0:07:08] } 37... Ke7 { [%clk 0:06:14] } 38. Nf5+ { [%clk 0:07:36] } 38... Kf7 { [%clk 0:06:41] } 39. Nd4 { [%clk 0:08:03] } 39... Ke7 { [%clk 0:07:10] } 40. Nf5+ { [%clk 0:08:27] } 40... Kf7 { [%clk 0:07:38] } 1/2-1/2