Event: Black Sea Grand Prix | Small Earth
Site: chess24.com
Date: 2021-07-20
White: Demidov, Mikhail
WhiteTitle: GM
WhiteElo: 2530
Black: Demchenko, Anton
BlackTitle: GM
BlackElo: 2600
Result: 1-0
ECO: D02
Opening: Queen's Pawn Game: Symmetrical Variation
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:54] } 1... d5 { [%eval 0.2] [%clk 1:30:44] } 2. d4 { [%eval 0.0] [%clk 1:28:31] } 2... Nf6 { [%eval 0.09] [%clk 1:30:54] } 3. c4 { [%eval 0.0] [%clk 1:28:43] } 3... e6 { [%eval 0.2] [%clk 1:31:16] } 4. e3 { [%eval 0.07] [%clk 1:27:15] } 4... Be7 { [%eval 0.02] [%clk 1:31:31] } 5. Nc3 { [%eval 0.0] [%clk 1:27:29] } 5... O-O { [%eval 0.0] [%clk 1:31:37] } 6. Bd3 { [%eval -0.21] [%clk 1:27:55] } 6... dxc4 { [%eval -0.05] [%clk 1:31:48] } 7. Bxc4 { [%eval -0.2] [%clk 1:28:19] } 7... a6 { [%eval -0.25] [%clk 1:32:08] } 8. a4 { [%eval -0.14] [%clk 1:26:49] } 8... c5 { [%eval 0.09] [%clk 1:32:28] } 9. O-O { [%eval -0.09] [%clk 1:27:02] } 9... Nc6 { [%eval -0.15] [%clk 1:32:52] } 10. Qd3 { [%eval -0.28] [%clk 1:22:29] } 10... b6 { [%eval -0.54] [%clk 1:27:59] } 11. Rd1 { [%eval -0.51] [%clk 1:21:48] } 11... Bb7 { [%eval -0.48] [%clk 1:28:05] } 12. Qe2 { [%eval -0.64] [%clk 1:10:47] } 12... Qc7 { [%eval -0.55] [%clk 1:18:53] } 13. d5 { [%eval -0.51] [%clk 1:08:23] } 13... exd5 { [%eval -0.52] [%clk 1:19:13] } 14. Nxd5 { [%eval -0.7] [%clk 1:08:44] } 14... Nxd5 { [%eval -0.63] [%clk 1:19:35] } 15. Bxd5 { [%eval -0.62] [%clk 1:09:09] } 15... Bf6 { [%eval -0.62] [%clk 1:17:20] } 16. e4 { [%eval -0.78] [%clk 1:06:42] } 16... Nd4 { [%eval -0.62] [%clk 1:12:47] } 17. Nxd4 { [%eval -0.5] [%clk 1:05:53] } 17... Bxd5 { [%eval -0.7] [%clk 1:11:55] } 18. exd5 { [%eval -0.68] [%clk 0:53:37] } 18... cxd4 { [%eval -0.42] [%clk 1:02:06] } 19. Qf3 { [%eval -0.7] [%clk 0:53:05] } 19... Be5 { [%eval -0.25] [%clk 1:02:22] } 20. b3?! { [%eval -0.87] } { Inaccuracy. g3 was best. } { [%clk 0:52:20] } 20... Rfd8 { [%eval -0.86] [%clk 0:48:20] } 21. Bg5 { [%eval -1.13] [%clk 0:46:05] } 21... f6 { [%eval -0.8] [%clk 0:48:26] } 22. Rac1 { [%eval -1.06] [%clk 0:45:28] } 22... Qf7 { [%eval -0.87] [%clk 0:38:48] } 23. Bd2 { [%eval -0.93] [%clk 0:42:49] } 23... Qxd5 { [%eval -0.87] [%clk 0:39:03] } 24. Qxd5+ { [%eval -0.98] [%clk 0:40:53] } 24... Rxd5 { [%eval -0.92] [%clk 0:39:32] } 25. Rc6 { [%eval -1.16] [%clk 0:38:52] } 25... b5?! { [%eval -0.58] } { Inaccuracy. Rb8 was best. } { [%clk 0:37:56] } 26. f4 { [%eval -0.71] [%clk 0:34:47] } 26... Bd6 { [%eval -0.71] [%clk 0:37:48] } 27. a5 { [%eval -0.43] [%clk 0:35:09] } 27... h5 { [%eval -0.48] [%clk 0:29:20] } 28. Kf2 { [%eval -0.37] [%clk 0:32:15] } 28... Bf8 { [%eval 0.0] [%clk 0:26:45] } 29. Kf3?! { [%eval -0.56] } { Inaccuracy. Rdc1 was best. } { [%clk 0:26:54] } 29... f5?! { [%eval 0.0] } { Inaccuracy. b4 was best. } { [%clk 0:21:43] } 30. Re1 { [%eval 0.0] [%clk 0:26:22] } 30... Rd6 { [%eval 0.0] [%clk 0:19:49] } 31. Rec1 { [%eval 0.07] [%clk 0:23:37] } 31... Rxc6 { [%eval 0.0] [%clk 0:17:12] } 32. Rxc6 { [%eval 0.1] [%clk 0:24:00] } 32... Kf7 { [%eval 0.08] [%clk 0:17:41] } 33. Ke2 { [%eval 0.0] [%clk 0:21:38] } 33... Be7 { [%eval 0.08] [%clk 0:16:37] } 34. Kd3 { [%eval 0.0] [%clk 0:21:50] } 34... Bf6?! { [%eval 0.63] } { Inaccuracy. h4 was best. } { [%clk 0:17:02] } 35. Bb4 { [%eval 0.62] [%clk 0:17:17] } 35... h4 { [%eval 0.49] [%clk 0:14:51] } 36. h3 { [%eval 0.23] [%clk 0:17:08] } 36... Re8 { [%eval 0.67] [%clk 0:04:55] } 37. Rxa6 { [%eval 0.62] [%clk 0:16:58] } 37... Re3+ { [%eval 0.82] [%clk 0:05:25] } 38. Kc2 { [%eval 0.41] [%clk 0:15:58] } 38... Re2+ { [%eval 0.98] [%clk 0:05:00] } 39. Bd2 { [%eval 1.23] [%clk 0:13:52] } 39... Rxg2 { [%eval 0.79] [%clk 0:05:13] } 40. Rd6 { [%eval 0.61] [%clk 0:12:39] } 40... Rg1?? { [%eval 2.28] } { Blunder. Be7 was best. } { [%clk 0:03:31] } 41. a6 { [%eval 2.12] [%clk 0:11:18] } 41... d3+ { [%eval 2.27] [%clk 0:03:50] } 42. Kxd3 { [%eval 2.37] [%clk 0:11:02] } 42... Rb1 { [%eval 2.61] [%clk 0:03:44] } 43. a7 { [%eval 2.52] [%clk 0:07:54] } 43... Rxb3+ { [%eval 2.62] [%clk 0:04:07] } 44. Ke2 { [%eval 3.2] [%clk 0:07:57] } 44... Ra3 { [%eval 2.25] [%clk 0:04:36] } 45. Be3 { [%eval 2.97] [%clk 0:08:15] } 45... b4 { [%eval 3.23] [%clk 0:04:19] } 46. Rb6 { [%eval 3.28] [%clk 0:07:26] } 46... Rxa7 { [%eval 3.91] [%clk 0:00:51] } 47. Rxf6+ { [%eval 4.26] [%clk 0:07:52] } 47... Kxf6 { [%eval 4.01] [%clk 0:01:20] } 48. Bxa7 { [%eval 4.27] [%clk 0:07:28] } 48... Ke6 { [%eval 4.36] [%clk 0:00:55] } 49. Bd4 { [%eval 4.74] [%clk 0:07:45] } 49... g6 { [%eval 4.83] [%clk 0:01:19] } 50. Kd3 { [%eval 5.5] [%clk 0:07:59] } 50... Kd5 { [%eval 5.85] [%clk 0:01:43] } 51. Bf2 { [%eval 5.89] [%clk 0:07:53] } 51... b3 { [%eval 6.38] [%clk 0:00:45] } 52. Bxh4 { [%eval 6.97] [%clk 0:08:07] } 52... b2 { [%eval 8.83] [%clk 0:01:13] } 53. Kc2 { [%eval 6.25] [%clk 0:08:33] } 1-0