Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-08-26
White: Koellner, Aaron Noah
WhiteElo: 2248
Black: Ter-Sahakyan, Samvel
BlackElo: 2624
Result: 0-1
ECO: D02
Opening: Queen's Pawn Game: Symmetrical Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:29:53] } 2. Nf3 { [%eval 0.12] [%clk 1:29:49] } 2... d5 { [%eval 0.09] [%clk 1:29:55] } 3. Nbd2 { [%eval -0.29] [%clk 1:30:01] } 3... Bf5 { [%eval 0.0] [%clk 1:27:28] } 4. e3 { [%eval 0.0] [%clk 1:28:04] } 4... e6 { [%eval -0.05] [%clk 1:27:22] } 5. Be2 { [%eval -0.13] [%clk 1:24:37] } 5... h6 { [%eval -0.24] [%clk 1:25:53] } 6. c4 { [%eval -0.12] [%clk 1:22:43] } 6... c6 { [%eval -0.2] [%clk 1:25:45] } 7. Ne5 { [%eval -0.41] [%clk 1:20:39] } 7... Bd6 { [%eval -0.48] [%clk 1:20:42] } 8. O-O { [%eval -0.45] [%clk 1:17:41] } 8... O-O { [%eval -0.5] [%clk 1:20:42] } 9. f4 { [%eval -0.8] [%clk 1:17:07] } 9... c5 { [%eval -0.78] [%clk 1:18:14] } 10. cxd5 { [%eval -0.77] [%clk 1:07:43] } 10... exd5 { [%eval -0.65] [%clk 1:16:01] } 11. Ndf3?! { [%eval -1.28] } { Inaccuracy. dxc5 was best. } { [%clk 1:00:26] } 11... Nc6 { [%eval -1.01] [%clk 1:13:59] } 12. Bd2 { [%eval -1.42] [%clk 0:51:19] } 12... Rc8 { [%eval -1.55] [%clk 1:12:38] } 13. Bc3 { [%eval -1.54] [%clk 0:45:02] } 13... Ne4 { [%eval -1.54] [%clk 1:07:27] } 14. Qb3 { [%eval -1.42] [%clk 0:42:40] } 14... cxd4 { [%eval -1.03] [%clk 0:46:50] } 15. Bxd4 { [%eval -1.21] [%clk 0:36:32] } 15... Nxd4 { [%eval -1.08] [%clk 0:33:58] } 16. exd4 { [%eval -1.06] [%clk 0:36:40] } 16... Qa5 { [%eval -1.06] [%clk 0:30:42] } 17. Rfc1 { [%eval -1.54] [%clk 0:33:11] } 17... Be6 { [%eval -1.26] [%clk 0:20:37] } 18. Qb5 { [%eval -1.51] [%clk 0:28:51] } 18... Qxb5 { [%eval -1.51] [%clk 0:17:08] } 19. Bxb5 { [%eval -1.52] [%clk 0:29:12] } 19... f6 { [%eval -1.14] [%clk 0:17:18] } 20. Nd3 { [%eval -1.43] [%clk 0:24:52] } 20... g5 { [%eval -1.42] [%clk 0:17:31] } 21. Ba4 { [%eval -1.84] [%clk 0:21:23] } 21... g4?! { [%eval -0.83] } { Inaccuracy. Rc4 was best. } { [%clk 0:14:11] } 22. Nh4 { [%eval -1.04] [%clk 0:21:36] } 22... Rc4 { [%eval -1.09] [%clk 0:14:16] } 23. Rxc4 { [%eval -1.09] [%clk 0:17:44] } 23... dxc4 { [%eval -1.02] [%clk 0:14:42] } 24. f5?? { [%eval -2.88] } { Blunder. Nf2 was best. } { [%clk 0:17:58] } 24... Bd5 { [%eval -3.28] [%clk 0:13:22] } 25. Nf2?! { [%eval -4.83] } { Inaccuracy. Ne1 was best. } { [%clk 0:17:28] } 25... Bxh2+ { [%eval -4.98] [%clk 0:12:02] } 26. Kxh2 { [%eval -4.61] [%clk 0:17:41] } 26... g3+ { [%eval -5.5] [%clk 0:12:27] } 27. Kh3 { [%eval -4.61] [%clk 0:12:31] } 27... gxf2 { [%eval -4.51] [%clk 0:12:50] } 28. Rf1?! { [%eval -5.75] } { Inaccuracy. Nf3 was best. } { [%clk 0:12:54] } 28... c3 { [%eval -5.82] [%clk 0:11:31] } 29. bxc3 { [%eval -5.8] [%clk 0:12:15] } 29... Rc8 { [%eval -5.82] [%clk 0:11:56] } 30. Kg4 { [%eval -5.87] [%clk 0:06:28] } 30... Rxc3 { [%eval -6.07] [%clk 0:12:08] } 31. Kf4 { [%eval -7.91] [%clk 0:06:40] } 31... Bc4 { [%eval -7.91] [%clk 0:11:22] } 32. Bb3 { [%eval -8.07] [%clk 0:06:52] } 32... Rxb3 { [%eval -7.85] [%clk 0:11:39] } 33. axb3 { [%eval -10.89] [%clk 0:06:41] } 33... Bxf1 { [%eval -10.58] [%clk 0:12:00] } 0-1