Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-25
White: Thornley, Oliver
WhiteElo: 1714
Black: Bachmann, Daniel
BlackElo: 1766
Result: 1-0
ECO: A02
Opening: Bird Opening
Variant: Standard
TimeControl: 60' + 30'' / move

1. f4 { [%eval -0.23] [%clk 1:00:57] } 1... Nf6 { [%eval -0.23] [%clk 0:59:10] } 2. Nf3 { [%eval -0.27] [%clk 1:01:21] } 2... c5 { [%eval -0.24] [%clk 0:59:22] } 3. e3 { [%eval -0.32] [%clk 1:01:34] } 3... Nc6 { [%eval -0.16] [%clk 0:59:36] } 4. Bb5 { [%eval -0.17] [%clk 1:01:33] } 4... d6 { [%eval 0.21] [%clk 0:58:56] } 5. Bxc6+ { [%eval 0.22] [%clk 1:01:15] } 5... bxc6 { [%eval 0.33] [%clk 0:59:19] } 6. b3 { [%eval 0.24] [%clk 0:59:34] } 6... g6 { [%eval 0.38] [%clk 0:56:43] } 7. O-O { [%eval 0.26] [%clk 0:58:44] } 7... Bg7 { [%eval 0.26] [%clk 0:56:39] } 8. Bb2 { [%eval 0.38] [%clk 0:59:02] } 8... O-O { [%eval 0.63] [%clk 0:56:35] } 9. d3 { [%eval 0.61] [%clk 0:59:05] } 9... Nd5 { [%eval 0.57] [%clk 0:51:07] } 10. Bxg7 { [%eval 0.69] [%clk 0:58:18] } 10... Nxe3?? { [%eval 3.75] } { Blunder. Kxg7 was best. } { [%clk 0:51:24] } 11. Qe2 { [%eval 3.88] [%clk 0:58:13] } 11... Nxc2?! { [%eval 5.61] } { Inaccuracy. Nxf1 was best. } { [%clk 0:47:10] } 12. Bxf8 { [%eval 5.68] [%clk 0:56:01] } 12... Nxa1 { [%eval 5.61] [%clk 0:47:36] } 13. Bh6 { [%eval 5.18] [%clk 0:56:04] } 13... f6 { [%eval 5.52] [%clk 0:40:22] } 14. Nc3 { [%eval 5.47] [%clk 0:51:28] } 14... Nxb3 { [%eval 5.48] [%clk 0:37:47] } 15. axb3 { [%eval 5.46] [%clk 0:53:12] } 15... e5 { [%eval 6.7] [%clk 0:29:20] } 16. fxe5 { [%eval 6.65] [%clk 0:49:37] } 16... dxe5 { [%eval 6.47] [%clk 0:27:20] } 17. Ne4 { [%eval 6.2] [%clk 0:42:27] } 17... g5?! { [%eval 9.97] } { Inaccuracy. Be6 was best. } { [%clk 0:25:39] } 18. Nfxg5 { [%eval 9.14] [%clk 0:40:28] } 18... f5? { [%eval #7] } { Checkmate is now unavoidable. fxg5 was best. } { [%clk 0:21:50] } 19. Qf2? { [%eval 8.18] } { Lost forced checkmate sequence. Qh5 was best. } { [%clk 0:36:48] } 19... f4? { [%eval #6] } { Checkmate is now unavoidable. Qe7 was best. } { [%clk 0:13:14] } 20. Qxc5 { [%eval #5] [%clk 0:36:08] } 20... Ba6 { [%eval #5] [%clk 0:05:33] } 21. Qxe5 { [%eval #4] [%clk 0:35:45] } 21... Qb6+ { [%eval #4] [%clk 0:01:55] } 22. Kh1 { [%eval #3] [%clk 0:21:20] } 22... Qb7 { [%eval #3] [%clk 0:01:49] } 23. Nf6+ { [%eval #2] [%clk 0:35:40] } 23... Kh8 { [%eval #2] [%clk 0:02:10] } 24. Nd7+ { [%eval #1] [%clk 0:36:04] } 1-0