Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-09-01
White: Demchenko, Anton
WhiteElo: 2597
Black: Donchenko, Alexander
BlackElo: 2657
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:39] } 2. Nf3 { [%eval 0.0] [%clk 1:31:20] } 2... d6 { [%eval 0.0] [%clk 1:31:02] } 3. d4 { [%eval 0.15] [%clk 1:31:37] } 3... cxd4 { [%eval 0.13] [%clk 1:31:24] } 4. Nxd4 { [%eval 0.0] [%clk 1:32:04] } 4... Nf6 { [%eval 0.14] [%clk 1:31:44] } 5. Nc3 { [%eval 0.18] [%clk 1:32:28] } 5... a6 { [%eval 0.21] [%clk 1:32:08] } 6. a4 { [%eval 0.0] [%clk 1:32:29] } 6... e6 { [%eval 0.15] [%clk 1:27:23] } 7. a5 { [%eval 0.0] [%clk 1:31:58] } 7... Be7 { [%eval 0.08] [%clk 1:19:40] } 8. Bd3 { [%eval 0.18] [%clk 1:31:25] } 8... O-O { [%eval 0.2] [%clk 1:13:54] } 9. O-O { [%eval 0.18] [%clk 1:31:41] } 9... Bd7 { [%eval 0.16] [%clk 1:13:03] } 10. Be3 { [%eval 0.16] [%clk 1:31:49] } 10... Nc6 { [%eval 0.15] [%clk 1:13:03] } 11. Nxc6 { [%eval 0.16] [%clk 1:30:04] } 11... Bxc6 { [%eval 0.21] [%clk 1:13:10] } 12. Re1 { [%eval 0.05] [%clk 1:30:29] } 12... Rc8 { [%eval 0.08] [%clk 1:06:18] } 13. Na4 { [%eval 0.13] [%clk 1:18:36] } 13... Qc7 { [%eval 0.57] [%clk 1:00:41] } 14. Nb6 { [%eval 0.52] [%clk 1:02:08] } 14... Rcd8 { [%eval 0.55] [%clk 1:00:22] } 15. Bd4 { [%eval 0.58] [%clk 1:01:20] } 15... e5 { [%eval 0.56] [%clk 0:46:44] } 16. Nd5 { [%eval 0.77] [%clk 0:50:29] } 16... Nxd5 { [%eval 0.47] [%clk 0:46:52] } 17. exd5 { [%eval 1.1] [%clk 0:50:53] } 17... exd4 { [%eval 1.02] [%clk 0:46:14] } 18. dxc6 { [%eval 1.25] [%clk 0:51:16] } 18... bxc6 { [%eval 1.26] [%clk 0:46:33] } 19. Bxa6 { [%eval 1.35] [%clk 0:49:07] } 19... c5 { [%eval 1.21] [%clk 0:45:43] } 20. b4 { [%eval 1.49] [%clk 0:40:09] } 20... Bf6 { [%eval 1.41] [%clk 0:38:34] } 21. Qd3?! { [%eval 0.43] } { Inaccuracy. b5 was best. } { [%clk 0:36:12] } 21... cxb4 { [%eval 0.8] [%clk 0:33:15] } 22. Bb5 { [%eval 0.35] [%clk 0:24:22] } 22... Ra8 { [%eval 0.2] [%clk 0:33:22] } 23. a6 { [%eval 0.12] [%clk 0:24:15] } 23... Rfc8?! { [%eval 0.87] } { Inaccuracy. Qc5 was best. } { [%clk 0:33:08] } 24. Qf5 { [%eval 1.63] [%clk 0:21:42] } 24... Be5 { [%eval 1.38] [%clk 0:31:33] } 25. Bd3 { [%eval 1.42] [%clk 0:20:54] } 25... g6 { [%eval 1.27] [%clk 0:30:33] } 26. Qf3 { [%eval 1.37] [%clk 0:21:16] } 26... Ra7 { [%eval 1.88] [%clk 0:30:02] } 27. Reb1 { [%eval 1.82] [%clk 0:19:41] } 27... Rb8 { [%eval 1.42] [%clk 0:27:11] } 28. g3 { [%eval 1.36] [%clk 0:18:52] } 28... Qc5 { [%eval 1.51] [%clk 0:23:57] } 29. Rb3 { [%eval 1.19] [%clk 0:16:35] } 29... d5?! { [%eval 1.99] } { Inaccuracy. h5 was best. } { [%clk 0:23:36] } 30. Kg2?! { [%eval 1.24] } { Inaccuracy. h4 was best. } { [%clk 0:14:27] } 30... Kg7 { [%eval 1.04] [%clk 0:23:37] } 31. Re1 { [%eval 0.95] [%clk 0:09:43] } 31... Bd6 { [%eval 1.17] [%clk 0:22:14] } 32. h4 { [%eval 1.34] [%clk 0:09:11] } 32... h5 { [%eval 1.15] [%clk 0:18:09] } 33. g4 { [%eval 1.19] [%clk 0:09:35] } 33... hxg4? { [%eval 2.9] } { Mistake. Rh8 was best. } { [%clk 0:08:58] } 34. Qxg4 { [%eval 3.94] [%clk 0:10:03] } 34... Rh8?! { [%eval 5.1] } { Inaccuracy. Kg8 was best. } { [%clk 0:09:13] } 35. Bxg6 { [%eval 5.62] [%clk 0:06:19] } 35... fxg6 { [%eval 5.51] [%clk 0:09:34] } 36. Re6 { [%eval 6.02] [%clk 0:06:46] } 36... Rh6 { [%eval 5.5] [%clk 0:04:15] } 37. Rxd6 { [%eval 4.47] [%clk 0:07:10] } 37... Rf7? { [%eval 8.07] } { Mistake. Qxd6 was best. } { [%clk 0:02:26] } 38. Rd7 { [%eval 8.56] [%clk 0:06:23] } 38... Qc6 { [%eval 10.98] [%clk 0:00:44] } 39. Qxd4+ { [%eval 9.66] [%clk 0:05:57] } 39... Kg8 { [%eval 19.98] [%clk 0:01:02] } 40. Rd8+ { [%eval 12.72] [%clk 0:05:43] } 40... Rf8 { [%eval 20.02] [%clk 0:01:25] } 41. Rxf8+ { [%eval 25.61] [%clk 0:05:55] } 41... Kxf8 { [%eval 21.89] [%clk 0:01:53] } 42. Qxb4+ { [%clk 0:05:23] } 1-0