Event: Icelandic Chess Championship 2024
Site: Mosfellsbær, Iceland
White: Stefansson, Vignir Vatnar
WhiteTitle: GM
WhiteElo: 2459
Black: Birkisson, Bardur Orn
BlackTitle: CM
BlackElo: 2169
Result: 1-0
ECO: A22
Opening: English Opening: King's English Variation, Two Knights Variation
Variant: Standard
TimeControl: 90mins+30second additional +30mins after move 40

1. c4 { [%eval 0.12] [%clk 1:30:59] } 1... e5 { [%eval 0.16] [%clk 1:30:16] } 2. Nc3 { [%eval 0.14] [%clk 1:31:20] } 2... Nf6 { [%eval 0.2] [%clk 1:30:32] } 3. e3 { [%eval 0.0] [%clk 1:31:42] } 3... d6 { [%eval 0.39] [%clk 1:20:15] } 4. Nf3 { [%eval 0.34] [%clk 1:29:49] } 4... Nbd7 { [%eval 0.51] [%clk 1:18:38] } 5. d4 { [%eval 0.34] [%clk 1:29:38] } 5... g6 { [%eval 0.44] [%clk 1:18:11] } 6. Be2 { [%eval 0.45] [%clk 1:27:42] } 6... Bg7 { [%eval 0.24] [%clk 1:18:08] } 7. O-O { [%eval 0.39] [%clk 1:24:48] } 7... O-O { [%eval 0.35] [%clk 1:14:32] } 8. Qc2 { [%eval 0.24] [%clk 1:25:14] } 8... Re8 { [%eval 0.25] [%clk 1:00:41] } 9. b4 { [%eval 0.23] [%clk 1:25:26] } 9... c6 { [%eval 0.3] [%clk 0:58:04] } 10. a4 { [%eval 0.14] [%clk 1:18:19] } 10... exd4 { [%eval 0.09] [%clk 0:49:34] } 11. exd4 { [%eval -0.12] [%clk 1:15:03] } 11... d5 { [%eval 0.08] [%clk 0:47:05] } 12. c5 { [%eval -0.29] [%clk 1:01:39] } 12... Nf8 { [%eval -0.13] [%clk 0:36:32] } 13. Bd3 { [%eval -0.26] [%clk 1:01:27] } 13... Ne6?! { [%eval 0.42] } { Inaccuracy. Bg4 was best. } { [%clk 0:33:03] } 14. Rd1 { [%eval 0.36] [%clk 1:00:15] } 14... Qc7 { [%eval 0.37] [%clk 0:28:30] } 15. Ne2 { [%eval 0.23] [%clk 0:55:01] } 15... Ne4 { [%eval 0.49] [%clk 0:25:58] } 16. Be3 { [%eval 0.64] [%clk 0:48:08] } 16... Bd7 { [%eval 0.72] [%clk 0:22:07] } 17. Rab1 { [%eval 0.6] [%clk 0:47:21] } 17... b6 { [%eval 0.86] [%clk 0:20:03] } 18. Rdc1 { [%eval 0.85] [%clk 0:42:37] } 18... f5 { [%eval 0.85] [%clk 0:17:15] } 19. g3 { [%eval 1.06] [%clk 0:27:11] } 19... Rf8?! { [%eval 1.99] } { Inaccuracy. bxc5 was best. } { [%clk 0:14:50] } 20. Nf4 { [%eval 1.75] [%clk 0:24:54] } 20... Rae8 { [%eval 1.91] [%clk 0:12:17] } 21. h4 { [%eval 1.5] [%clk 0:21:16] } 21... Nd8?! { [%eval 2.49] } { Inaccuracy. bxc5 was best. } { [%clk 0:03:14] } 22. Kg2?! { [%eval 1.62] } { Inaccuracy. cxb6 was best. } { [%clk 0:19:35] } 22... Nf7? { [%eval 3.09] } { Mistake. bxc5 was best. } { [%clk 0:03:14] } 23. cxb6 { [%eval 2.69] [%clk 0:15:53] } 23... axb6 { [%eval 3.08] [%clk 0:01:51] } 24. b5 { [%eval 3.0] [%clk 0:15:42] } 24... c5 { [%eval 3.6] [%clk 0:01:33] } 25. dxc5 { [%eval 3.51] [%clk 0:15:43] } 25... bxc5?! { [%eval 4.45] } { Inaccuracy. d4 was best. } { [%clk 0:01:27] } 26. Bxc5 { [%eval 4.49] [%clk 0:15:43] } 26... Nxc5 { [%eval 4.56] [%clk 0:01:42] } 27. Qxc5 { [%eval 4.5] [%clk 0:16:10] } 27... Qa5 { [%eval 4.91] [%clk 0:01:30] } 28. Qxd5 { [%eval 4.47] [%clk 0:15:09] } 28... Bc8 { [%eval 4.77] [%clk 0:01:48] } 29. Qb3 { [%eval 4.16] [%clk 0:13:40] } 29... Bb7 { [%eval 4.28] [%clk 0:01:33] } 30. Bc4 { [%eval 4.14] [%clk 0:13:58] } 30... Re7 { [%eval 4.82] [%clk 0:00:55] } 31. Bd5 { [%eval 4.8] [%clk 0:13:01] } 31... Ra8 { [%eval 5.52] [%clk 0:00:59] } 32. Bxb7 { [%eval 5.2] [%clk 0:13:01] } 32... Rxb7 { [%eval 5.2] [%clk 0:01:22] } 33. Rc4 { [%eval 5.25] [%clk 0:13:16] } 33... Kh8 { [%eval 5.43] [%clk 0:01:12] } 34. Rbc1 { [%eval 5.52] [%clk 0:13:33] } 34... Rbb8 { [%eval 6.55] [%clk 0:00:41] } 35. Rc7 { [%eval 6.51] [%clk 0:13:55] } 35... Nd6 { [%eval 7.3] [%clk 0:00:52] } 36. Ne6?! { [%eval 5.29] } { Inaccuracy. Qe6 was best. } { [%clk 0:13:58] } 36... Bf6?! { [%eval 7.54] } { Inaccuracy. Ne8 was best. } { [%clk 0:01:01] } 37. Nfg5 { [%eval 5.95] [%clk 0:14:05] } 37... Qxa4 { [%clk 0:00:37] } 38. Qd5 { [%clk 0:14:09] } 1-0