Event: Round 1: Koch, Yannick - Harms, Friedjof
Date: 2025-01-02
White: Koch, Yannick
WhiteElo: 2024
Black: Harms, Friedjof
BlackElo: 1884
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Pawn Return Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:52] } 1... Nf6 { [%eval 0.19] [%clk 1:30:56] } 2. c4 { [%eval 0.18] [%clk 1:30:32] } 2... c5 { [%eval 0.56] [%clk 1:31:20] } 3. d5 { [%eval 0.62] [%clk 1:30:24] } 3... b5 { [%eval 0.53] [%clk 1:31:45] } 4. cxb5 { [%eval 0.47] [%clk 1:30:38] } 4... a6 { [%eval 0.6] [%clk 1:32:10] } 5. b6 { [%eval 0.15] [%clk 1:30:31] } 5... Qxb6 { [%eval 0.47] [%clk 1:32:28] } 6. Nc3 { [%eval 0.38] [%clk 1:30:02] } 6... d6 { [%eval 0.51] [%clk 1:32:16] } 7. Nf3 { [%eval 0.47] [%clk 1:28:51] } 7... g6 { [%eval 0.44] [%clk 1:31:31] } 8. e4 { [%eval 0.45] [%clk 1:27:17] } 8... Nbd7 { [%eval 0.52] [%clk 1:31:20] } 9. Nd2 { [%eval 0.49] [%clk 1:27:03] } 9... Bg7 { [%eval 0.51] [%clk 1:30:38] } 10. Be2 { [%eval 0.56] [%clk 1:26:07] } 10... O-O { [%eval 0.44] [%clk 1:27:55] } 11. Nc4 { [%eval 0.3] [%clk 1:26:15] } 11... Qc7 { [%eval 0.31] [%clk 1:27:11] } 12. Bf4 { [%eval 0.14] [%clk 1:26:08] } 12... Nb6 { [%eval 0.18] [%clk 1:24:54] } 13. Ne3 { [%eval 0.0] [%clk 1:25:03] } 13... Nfd7?! { [%eval 0.56] } { Inaccuracy. a5 was best. } { [%clk 1:16:25] } 14. h4 { [%eval 0.55] [%clk 1:22:17] } 14... a5 { [%eval 0.53] [%clk 1:08:40] } 15. h5 { [%eval 0.48] [%clk 1:20:58] } 15... Ne5 { [%eval 0.43] [%clk 1:06:50] } 16. hxg6?! { [%eval -0.22] } { Inaccuracy. Rc1 was best. } { [%clk 1:09:23] } 16... hxg6?? { [%eval 1.95] } { Blunder. fxg6 was best. } { [%clk 1:01:22] } 17. Qd2 { [%eval 1.79] [%clk 0:51:50] } 17... a4 { [%eval 1.72] [%clk 0:53:49] } 18. Bh6 { [%eval 1.98] [%clk 0:50:55] } 18... Bxh6?! { [%eval 3.0] } { Inaccuracy. f6 was best. } { [%clk 0:46:31] } 19. Rxh6 { [%eval 3.11] [%clk 0:51:17] } 19... Kg7 { [%eval 3.29] [%clk 0:45:27] } 20. O-O-O { [%eval 3.19] [%clk 0:49:37] } 20... Bb7?? { [%eval #6] } { Checkmate is now unavoidable. a3 was best. } { [%clk 0:42:20] } 21. Rdh1?? { [%eval 5.41] } { Lost forced checkmate sequence. Rh7+ was best. } { [%clk 0:40:34] } 21... Rh8?? { [%eval #15] } { Checkmate is now unavoidable. e6 was best. } { [%clk 0:36:27] } 22. Nf5+ { [%eval 11.73] [%clk 0:33:35] } 22... gxf5?! { [%eval #23] } { Checkmate is now unavoidable. Kf6 was best. } { [%clk 0:35:45] } 23. Qg5+ { [%eval #25] [%clk 0:33:56] } 23... Ng6 { [%eval 11.34] [%clk 0:35:58] } 24. exf5 { [%eval #9] [%clk 0:34:04] } 24... Rxh6 { [%eval #7] [%clk 0:28:11] } 25. Qxh6+ { [%eval #6] [%clk 0:33:50] } 25... Kg8 { [%eval #3] [%clk 0:27:44] } 26. fxg6 { [%eval #2] [%clk 0:33:23] } 1-0