Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-21
White: Ammeter, Nicolas
WhiteElo: 1621
Black: Boesch, Roman
BlackElo: 1780
Result: 1-0
ECO: A13
Opening: English Opening: Agincourt Defense
Variant: Standard
TimeControl: 60' + 30'' / move

1. c4 { [%eval 0.12] [%clk 1:00:18] } 1... e6 { [%eval 0.25] [%clk 1:00:47] } 2. g3 { [%eval 0.14] [%clk 1:01:12] } 2... d5 { [%eval 0.17] [%clk 1:00:43] } 3. b3 { [%eval -0.36] [%clk 0:59:43] } 3... Bb4?! { [%eval 0.32] } { Inaccuracy. d4 was best. } { [%clk 1:00:53] } 4. a3 { [%eval 0.11] [%clk 0:58:45] } 4... Bd6 { [%eval 0.23] [%clk 1:00:00] } 5. Bg2 { [%eval 0.23] [%clk 0:59:46] } 5... Nf6 { [%eval 0.25] [%clk 0:59:32] } 6. Nf3 { [%eval 0.18] [%clk 0:59:41] } 6... O-O { [%eval 0.21] [%clk 0:57:38] } 7. d4 { [%eval 0.2] [%clk 0:59:12] } 7... c5 { [%eval 0.31] [%clk 0:57:04] } 8. dxc5 { [%eval 0.33] [%clk 0:57:31] } 8... Bxc5 { [%eval 0.3] [%clk 0:55:20] } 9. b4 { [%eval 0.25] [%clk 0:57:29] } 9... Bb6 { [%eval 0.68] [%clk 0:56:46] } 10. c5 { [%eval 0.22] [%clk 0:57:22] } 10... Bc7 { [%eval 0.29] [%clk 0:57:05] } 11. Bb2 { [%eval -0.07] [%clk 0:57:11] } 11... b6 { [%eval 0.28] [%clk 0:54:30] } 12. cxb6 { [%eval 0.27] [%clk 0:45:09] } 12... Bxb6 { [%eval 0.24] [%clk 0:54:47] } 13. a4 { [%eval 0.19] [%clk 0:44:07] } 13... Nc6 { [%eval 0.19] [%clk 0:54:48] } 14. Ba3? { [%eval -1.21] } { Mistake. b5 was best. } { [%clk 0:42:18] } 14... Re8 { [%eval -1.4] [%clk 0:53:34] } 15. O-O { [%eval -1.19] [%clk 0:42:16] } 15... a6?! { [%eval -0.21] } { Inaccuracy. e5 was best. } { [%clk 0:45:16] } 16. Qc2?! { [%eval -1.18] } { Inaccuracy. b5 was best. } { [%clk 0:31:41] } 16... Bb7 { [%eval -1.13] [%clk 0:45:12] } 17. Nbd2 { [%eval -1.0] [%clk 0:29:27] } 17... Rc8 { [%eval -1.02] [%clk 0:40:03] } 18. Qb3?! { [%eval -1.78] } { Inaccuracy. Qb2 was best. } { [%clk 0:29:13] } 18... Qd7? { [%eval -0.25] } { Mistake. e5 was best. } { [%clk 0:37:53] } 19. Rfd1? { [%eval -1.69] } { Mistake. Rac1 was best. } { [%clk 0:25:43] } 19... Rc7?? { [%eval 0.51] } { Blunder. e5 was best. } { [%clk 0:34:39] } 20. Bb2?! { [%eval -0.49] } { Inaccuracy. e3 was best. } { [%clk 0:22:32] } 20... Qe7?! { [%eval 0.29] } { Inaccuracy. e5 was best. } { [%clk 0:29:16] } 21. Bc3?! { [%eval -0.3] } { Inaccuracy. Ba3 was best. } { [%clk 0:19:32] } 21... Rec8 { [%eval 0.01] [%clk 0:23:45] } 22. b5 { [%eval -0.52] [%clk 0:15:19] } 22... Na5?! { [%eval 0.07] } { Inaccuracy. Bxf2+ was best. } { [%clk 0:23:22] } 23. Bxa5?! { [%eval -0.78] } { Inaccuracy. Qb4 was best. } { [%clk 0:15:26] } 23... Bxa5 { [%eval -0.86] [%clk 0:23:01] } 24. e3 { [%eval -0.81] [%clk 0:15:52] } 24... Rc2 { [%eval -0.52] [%clk 0:24:08] } 25. Ra2 { [%eval -0.46] [%clk 0:10:31] } 25... R8c3?? { [%eval 2.51] } { Blunder. R2c7 was best. } { [%clk 0:16:31] } 26. Qb1?? { [%eval -0.44] } { Blunder. Rxc2 was best. } { [%clk 0:10:20] } 26... Qc7?? { [%eval 1.37] } { Blunder. Rxa2 was best. } { [%clk 0:16:35] } 27. Rxc2?! { [%eval 0.54] } { Inaccuracy. Ra1 was best. } { [%clk 0:04:12] } 27... Rxc2 { [%eval 0.67] [%clk 0:14:51] } 28. Nb3 { [%eval 0.62] [%clk 0:03:28] } 28... Bb6?? { [%eval 2.67] } { Blunder. Rc3 was best. } { [%clk 0:12:55] } 29. a5 { [%eval 2.67] [%clk 0:09:32] } 29... Bxe3 { [%eval 2.82] [%clk 0:06:32] } 30. fxe3 { [%eval 2.56] [%clk 0:10:00] } 30... Qc3 { [%eval 3.01] [%clk 0:06:35] } 31. Nbd4 { [%eval 3.06] [%clk 0:08:15] } 31... Qxe3+ { [%eval 2.84] [%clk 0:06:35] } 32. Kh1 { [%eval 2.94] [%clk 0:08:22] } 32... Rf2?? { [%eval 7.21] } { Blunder. Rc8 was best. } { [%clk 0:06:31] } 33. bxa6 { [%eval 7.0] [%clk 0:07:19] } 33... Rxg2 { [%eval 9.01] [%clk 0:05:42] } 34. axb7 { [%eval 8.67] [%clk 0:04:27] } 34... g6 { [%eval 11.01] [%clk 0:04:47] } 35. b8=Q+ { [%eval 10.75] [%clk 0:03:56] } 35... Kg7 { [%eval 10.12] [%clk 0:04:31] } 36. Kxg2 { [%eval 10.77] [%clk 0:03:51] } 36... Ng4?! { [%eval #9] } { Checkmate is now unavoidable. Nd7 was best. } { [%clk 0:04:34] } 37. Q1b2 { [%eval #8] [%clk 0:05:52] } 1-0