Event: Open
Site: Warsaw, Poland
Date: 2021-12-28
White: Kovalev, Vladislav
WhiteElo: 2647
Black: Donchenko, Alexander
BlackElo: 2535
Result: 0-1
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard

1. e4 { [%eval 0.23] [%clk 0:15:19] } 1... c5 { [%eval 0.32] [%clk 0:15:09] } 2. Nf3 { [%eval 0.0] [%clk 0:15:21] } 2... d6 { [%eval 0.0] [%clk 0:15:17] } 3. Bb5+ { [%eval 0.0] [%clk 0:15:30] } 3... Nd7 { [%eval 0.24] [%clk 0:15:25] } 4. O-O { [%eval 0.0] [%clk 0:15:39] } 4... a6 { [%eval 0.09] [%clk 0:15:33] } 5. Bd3 { [%eval 0.0] [%clk 0:15:48] } 5... Ngf6 { [%eval 0.17] [%clk 0:15:41] } 6. Re1 { [%eval 0.0] [%clk 0:15:57] } 6... e6 { [%eval 0.0] [%clk 0:15:44] } 7. Bf1 { [%eval 0.19] [%clk 0:16:06] } 7... b6 { [%eval 0.22] [%clk 0:15:23] } 8. d4 { [%eval 0.14] [%clk 0:16:14] } 8... cxd4 { [%eval 0.09] [%clk 0:15:28] } 9. Nxd4 { [%eval 0.21] [%clk 0:16:23] } 9... Bb7 { [%eval 0.35] [%clk 0:15:33] } 10. f3 { [%eval 0.25] [%clk 0:16:32] } 10... Be7 { [%eval 0.28] [%clk 0:15:32] } 11. c4 { [%eval 0.28] [%clk 0:16:41] } 11... O-O { [%eval 0.19] [%clk 0:15:13] } 12. Nc3 { [%eval 0.32] [%clk 0:16:49] } 12... Qc7 { [%eval 0.71] [%clk 0:15:16] } 13. Qd2?! { [%eval 0.14] } { Inaccuracy. Be3 was best. } { [%clk 0:16:49] } 13... Rac8 { [%eval 0.45] [%clk 0:14:57] } 14. b3 { [%eval 0.0] [%clk 0:16:54] } 14... b5 { [%eval 0.33] [%clk 0:14:36] } 15. cxb5 { [%eval 0.25] [%clk 0:17:02] } 15... Qxc3 { [%eval 0.41] [%clk 0:14:39] } 16. Qxc3 { [%eval 0.04] [%clk 0:17:11] } 16... Rxc3 { [%eval 0.0] [%clk 0:14:47] } 17. bxa6 { [%eval 0.16] [%clk 0:17:20] } 17... Ba8 { [%eval 0.15] [%clk 0:14:44] } 18. Ba3 { [%eval 0.16] [%clk 0:17:29] } 18... Re8 { [%eval 0.44] [%clk 0:12:42] } 19. Rec1 { [%eval 0.74] [%clk 0:16:42] } 19... Rxc1 { [%eval 0.9] [%clk 0:12:12] } 20. Rxc1 { [%eval 0.7] [%clk 0:16:51] } 20... Bd8 { [%eval 0.6] [%clk 0:10:06] } 21. Nb5 { [%eval 1.09] [%clk 0:12:05] } 21... Bb6+ { [%eval 1.15] [%clk 0:10:07] } 22. Kh1 { [%eval 0.88] [%clk 0:12:14] } 22... d5 { [%eval 0.66] [%clk 0:09:51] } 23. Nd6 { [%eval 1.02] [%clk 0:08:20] } 23... Rb8 { [%eval 1.22] [%clk 0:08:25] } 24. Nc8 { [%eval 0.6] [%clk 0:03:45] } 24... Bc5 { [%eval 0.38] [%clk 0:06:37] } 25. Ne7+?! { [%eval -0.32] } { Inaccuracy. Rxc5 was best. } { [%clk 0:02:13] } 25... Bxe7 { [%eval -0.07] [%clk 0:05:33] } 26. Bxe7 { [%eval -0.32] [%clk 0:02:22] } 26... dxe4 { [%eval -0.17] [%clk 0:05:41] } 27. Rc7?? { [%eval -2.35] } { Blunder. fxe4 was best. } { [%clk 0:02:29] } 27... Nb6 { [%eval -2.77] [%clk 0:02:27] } 28. fxe4 { [%eval -2.81] [%clk 0:02:11] } 28... Nxe4 { [%eval -2.5] [%clk 0:02:18] } 29. Bb5?? { [%eval -5.54] } { Blunder. Rc1 was best. } { [%clk 0:01:27] } 29... h5?! { [%eval -3.92] } { Inaccuracy. Nd5 was best. } { [%clk 0:01:19] } 30. a4 { [%eval -4.15] [%clk 0:00:20] } 30... Kh7?! { [%eval -3.0] } { Inaccuracy. Nd5 was best. } { [%clk 0:00:20] } 31. Ba3 { [%eval -2.78] [%clk 0:00:13] } 31... Kg6 { [%eval -2.87] [%clk 0:00:20] } 32. h4?! { [%eval -3.66] } { Inaccuracy. h3 was best. } { [%clk 0:00:17] } 32... Nd5 { [%eval -3.85] [%clk 0:00:16] } 33. Rc1 { [%eval -4.42] [%clk 0:00:19] } 33... Ne3? { [%eval -2.68] } { Mistake. Ndc3 was best. } { [%clk 0:00:18] } 34. a7? { [%eval -4.48] } { Mistake. Kg1 was best. } { [%clk 0:00:13] } 34... Rb7 { [%eval -4.71] [%clk 0:00:21] } 35. Re1 { [%eval -5.07] [%clk 0:00:21] } 35... Ng4 { [%eval -5.35] [%clk 0:00:15] } 36. Kg1 { [%eval -5.45] [%clk 0:00:26] } 36... Rxa7 { [%eval -5.08] [%clk 0:00:23] } 37. Bd3 { [%eval -6.0] [%clk 0:00:21] } 37... f5 { [%eval -6.61] [%clk 0:00:32] } 38. Bc4 { [%eval -6.39] [%clk 0:00:28] } 38... Bd5 { [%eval -6.36] [%clk 0:00:32] } 39. Bxd5 { [%eval -7.91] [%clk 0:00:34] } 39... exd5 { [%eval -6.88] [%clk 0:00:41] } 40. Rd1 { [%eval -7.15] [%clk 0:00:40] } 40... Ne3 { [%eval -7.01] [%clk 0:00:43] } 41. Rd3 { [%eval -6.94] [%clk 0:00:47] } 41... f4 { [%eval -7.1] [%clk 0:00:46] } 42. Bc1 { [%eval -7.46] [%clk 0:00:56] } 42... Rc7 { [%eval -6.61] [%clk 0:00:43] } 43. Bxe3 { [%eval -6.77] [%clk 0:01:04] } 43... fxe3 { [%eval -6.9] [%clk 0:00:51] } 44. Rxe3 { [%eval -6.78] [%clk 0:01:13] } 44... Kf5 { [%eval -6.58] [%clk 0:00:55] } 45. a5 { [%eval -7.44] [%clk 0:01:23] } 45... Rc1+ { [%eval -7.16] [%clk 0:00:55] } 46. Kh2 { [%eval -7.3] [%clk 0:01:32] } 46... d4 { [%eval -7.1] [%clk 0:01:01] } 47. Rd3 { [%eval -7.91] [%clk 0:01:33] } 47... Ke5 { [%eval -7.29] [%clk 0:01:07] } 48. b4 { [%eval -9.4] [%clk 0:01:37] } 48... Rb1 { [%eval -6.63] [%clk 0:00:51] } 49. a6 { [%eval -6.71] [%clk 0:01:40] } 49... Rxb4 { [%eval -6.57] [%clk 0:00:43] } 50. Ra3 { [%eval -6.58] [%clk 0:01:50] } 50... Rb8 { [%eval -6.3] [%clk 0:00:47] } 51. Ra5+ { [%eval -6.98] [%clk 0:01:59] } 51... Kf4 { [%eval -6.41] [%clk 0:00:49] } 52. Rxh5 { [%eval -6.47] [%clk 0:02:06] } 52... d3 { [%eval -6.94] [%clk 0:00:53] } 53. Rd5 { [%eval -7.0] [%clk 0:02:10] } 53... Ke3 { [%eval -7.02] [%clk 0:01:00] } 0-1