Event: Icelandic Chess Championship 2024
Site: Mosfellsbær, Iceland
White: Stefansson, Vignir Vatnar
WhiteTitle: GM
WhiteElo: 2459
Black: Prudnykova, Olga
BlackTitle: WIM
BlackElo: 2263
Result: 1-0
ECO: A16
Opening: English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation
Variant: Standard
TimeControl: 90mins+30second additional +30mins after move 40

1. Nf3 { [%eval 0.14] [%clk 1:27:41] } 1... Nf6 { [%eval 0.2] [%clk 1:30:55] } 2. c4 { [%eval 0.21] [%clk 1:27:26] } 2... g6 { [%eval 0.27] [%clk 1:30:09] } 3. Nc3 { [%eval 0.44] [%clk 1:27:48] } 3... d5 { [%eval 0.3] [%clk 1:30:35] } 4. cxd5 { [%eval 0.24] [%clk 1:28:15] } 4... Nxd5 { [%eval 0.33] [%clk 1:31:03] } 5. Qb3 { [%eval 0.21] [%clk 1:28:39] } 5... Nb6 { [%eval 0.27] [%clk 1:31:04] } 6. d4 { [%eval 0.33] [%clk 1:29:02] } 6... Bg7 { [%eval 0.31] [%clk 1:31:02] } 7. e4 { [%eval 0.21] [%clk 1:29:27] } 7... Bg4 { [%eval 0.2] [%clk 1:30:13] } 8. Bb5+ { [%eval 0.14] [%clk 1:29:47] } 8... c6 { [%eval 0.18] [%clk 1:28:31] } 9. Ng5 { [%eval 0.18] [%clk 1:30:01] } 9... O-O { [%eval 0.2] [%clk 1:27:31] } 10. Be2 { [%eval 0.16] [%clk 1:30:26] } 10... Bxe2 { [%eval 0.15] [%clk 1:25:49] } 11. Nxe2 { [%eval 0.05] [%clk 1:30:46] } 11... h6 { [%eval 0.46] [%clk 1:19:26] } 12. Nf3 { [%eval 0.43] [%clk 1:27:00] } 12... N8d7 { [%eval 0.62] [%clk 1:19:10] } 13. a4 { [%eval 0.3] [%clk 1:26:29] } 13... a5 { [%eval 0.8] [%clk 1:17:54] } 14. Be3 { [%eval 0.86] [%clk 1:25:28] } 14... Nf6 { [%eval 0.76] [%clk 1:16:48] } 15. Qc2 { [%eval 0.83] [%clk 1:12:20] } 15... Ng4 { [%eval 1.18] [%clk 1:10:38] } 16. Bf4?! { [%eval 0.34] } { Inaccuracy. Bd2 was best. } { [%clk 1:10:55] } 16... e5 { [%eval 0.34] [%clk 1:10:01] } 17. Nxe5 { [%eval 0.37] [%clk 1:04:47] } 17... Nxe5 { [%eval 0.27] [%clk 1:10:12] } 18. Bxe5 { [%eval 0.14] [%clk 1:05:09] } 18... Bxe5 { [%eval 0.09] [%clk 1:10:13] } 19. dxe5 { [%eval 0.09] [%clk 1:05:34] } 19... Qg5?! { [%eval 0.67] } { Inaccuracy. Qe7 was best. } { [%clk 1:05:09] } 20. e6 { [%eval 0.82] [%clk 0:55:17] } 20... Qxg2?! { [%eval 1.87] } { Inaccuracy. fxe6 was best. } { [%clk 0:58:09] } 21. Rg1 { [%eval 1.79] [%clk 0:53:07] } 21... Qxh2 { [%eval 1.59] [%clk 0:54:58] } 22. Qb3 { [%eval 1.43] [%clk 0:38:48] } 22... Qc7 { [%eval 1.46] [%clk 0:46:37] } 23. O-O-O { [%eval 1.06] [%clk 0:31:01] } 23... Rad8 { [%eval 1.61] [%clk 0:34:14] } 24. Rxd8 { [%eval 1.55] [%clk 0:27:08] } 24... Qxd8?? { [%eval 4.87] } { Blunder. Rxd8 was best. } { [%clk 0:29:01] } 25. exf7+ { [%eval 4.73] [%clk 0:25:54] } 25... Rxf7 { [%eval 5.34] [%clk 0:25:25] } 26. Rxg6+ { [%eval 5.27] [%clk 0:26:18] } 26... Kf8 { [%eval 5.2] [%clk 0:25:54] } 27. Qg3 { [%eval 5.01] [%clk 0:26:04] } 27... Qc7?? { [%eval #12] } { Checkmate is now unavoidable. Qd7 was best. } { [%clk 0:23:26] } 28. Rg8+ { [%eval #12] [%clk 0:25:58] } 28... Ke7 { [%eval #12] [%clk 0:23:54] } 29. Qxc7+ { [%clk 0:26:22] } 1-0