Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-08-26
White: Halldorsson, Jon Arni
WhiteElo: 2115
Black: Sivuk, Vitaly
BlackElo: 2589
Result: 0-1
ECO: A49
Opening: Indian Defense: Przepiorka Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:46] } 2. Nf3 { [%eval 0.12] [%clk 1:31:16] } 2... g6 { [%eval 0.21] [%clk 1:30:48] } 3. g3 { [%eval 0.05] [%clk 1:31:06] } 3... c5 { [%eval 0.31] [%clk 1:30:00] } 4. dxc5 { [%eval 0.0] [%clk 1:29:28] } 4... Na6?! { [%eval 0.74] } { Inaccuracy. Qa5+ was best. } { [%clk 1:27:56] } 5. Bg2 { [%eval 0.7] [%clk 1:29:33] } 5... Nxc5 { [%eval 0.16] [%clk 1:27:23] } 6. O-O { [%eval 0.4] [%clk 1:29:24] } 6... Bg7 { [%eval 0.43] [%clk 1:27:24] } 7. c4 { [%eval 0.55] [%clk 1:23:39] } 7... b6 { [%eval 0.42] [%clk 1:22:23] } 8. Nd4 { [%eval 0.41] [%clk 1:20:39] } 8... Bb7 { [%eval 0.47] [%clk 1:21:36] } 9. Bxb7 { [%eval 0.63] [%clk 1:20:40] } 9... Nxb7 { [%eval 0.61] [%clk 1:22:00] } 10. Nc3 { [%eval 0.26] [%clk 1:20:50] } 10... Rc8 { [%eval 0.75] [%clk 1:20:57] } 11. b3? { [%eval -0.36] } { Mistake. e4 was best. } { [%clk 1:14:45] } 11... d5 { [%eval -0.75] [%clk 1:17:49] } 12. Nxd5 { [%eval -0.86] [%clk 1:12:40] } 12... Nxd5 { [%eval -0.64] [%clk 1:17:32] } 13. cxd5 { [%eval -0.53] [%clk 1:13:02] } 13... Qxd5 { [%eval -0.62] [%clk 1:17:51] } 14. Bb2 { [%eval -0.82] [%clk 1:00:05] } 14... O-O { [%eval -0.74] [%clk 1:08:02] } 15. e3 { [%eval -0.93] [%clk 0:48:38] } 15... Rfd8 { [%eval -0.65] [%clk 1:02:37] } 16. Qe2 { [%eval -0.73] [%clk 0:42:18] } 16... e5?! { [%eval -0.21] } { Inaccuracy. Nc5 was best. } { [%clk 0:59:31] } 17. Nf3?? { [%eval -1.82] } { Blunder. e4 was best. } { [%clk 0:37:14] } 17... e4 { [%eval -1.0] [%clk 0:49:48] } 18. Nd4 { [%eval -1.45] [%clk 0:31:16] } 18... Nc5 { [%eval -1.44] [%clk 0:49:48] } 19. Rac1 { [%eval -1.6] [%clk 0:26:35] } 19... Nd3 { [%eval -1.64] [%clk 0:48:41] } 20. Rxc8 { [%eval -1.63] [%clk 0:26:51] } 20... Rxc8 { [%eval -1.71] [%clk 0:49:06] } 21. Ba1 { [%eval -1.62] [%clk 0:27:03] } 21... Qd7 { [%eval -1.44] [%clk 0:42:31] } 22. f3 { [%eval -1.63] [%clk 0:24:17] } 22... Nc5 { [%eval -1.18] [%clk 0:36:06] } 23. Rd1 { [%eval -1.37] [%clk 0:15:34] } 23... Qe7 { [%eval -1.37] [%clk 0:32:45] } 24. f4 { [%eval -1.45] [%clk 0:09:03] } 24... Nd3 { [%eval -1.4] [%clk 0:31:42] } 25. Rd2?? { [%eval -6.09] } { Blunder. Qg2 was best. } { [%clk 0:08:10] } 25... Rc1+ { [%eval -6.04] [%clk 0:30:16] } 26. Rd1 { [%eval -5.83] [%clk 0:08:36] } 26... Qa3 { [%eval -5.93] [%clk 0:30:05] } 27. Nb5 { [%eval -8.15] [%clk 0:01:21] } 27... Rxd1+ { [%eval -8.15] [%clk 0:29:24] } 28. Qxd1 { [%eval -8.57] [%clk 0:01:46] } 28... Qxa2 { [%eval -8.44] [%clk 0:29:42] } 29. Bd4 { [%eval -28.23] [%clk 0:01:10] } 29... Qf2+ { [%clk 0:29:50] } 0-1