Event: Biel Chess Festival 2025
Date: 2025-07-21
White: Gueldenapfel, Thomas
WhiteElo: 1489
Black: Luedi, Paul
BlackElo: 1716
Result: 0-1
ECO: A10
Opening: English Opening
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:32] } 1... b6 { [%eval 0.33] [%clk 1:30:30] } 2. d3 { [%eval 0.1] [%clk 1:30:32] } 2... Bb7 { [%eval 0.1] [%clk 1:30:22] } 3. e4 { [%eval 0.1] [%clk 1:30:51] } 3... c5 { [%eval 0.11] [%clk 1:30:40] } 4. Nc3 { [%eval 0.06] [%clk 1:30:31] } 4... e6 { [%eval 0.29] [%clk 1:30:59] } 5. Nf3 { [%eval 0.15] [%clk 1:30:43] } 5... Nc6 { [%eval 0.09] [%clk 1:31:11] } 6. Be3 { [%eval 0.0] [%clk 1:28:58] } 6... g6?! { [%eval 0.6] } { Inaccuracy. Nf6 was best. } { [%clk 1:31:31] } 7. Be2 { [%eval 0.38] [%clk 1:28:39] } 7... Bg7 { [%eval 0.64] [%clk 1:31:52] } 8. Rc1 { [%eval 0.16] [%clk 1:28:27] } 8... Nge7 { [%eval 0.2] [%clk 1:31:58] } 9. O-O { [%eval -0.02] [%clk 1:28:02] } 9... d5 { [%eval -0.02] [%clk 1:32:13] } 10. exd5 { [%eval 0.01] [%clk 1:21:19] } 10... exd5 { [%eval -0.03] [%clk 1:32:31] } 11. b3?? { [%eval -4.87] } { Blunder. d4 was best. } { [%clk 1:21:36] } 11... d4 { [%eval -4.81] [%clk 1:32:43] } 12. Ne1 { [%eval -5.52] [%clk 1:20:47] } 12... dxc3 { [%eval -5.54] [%clk 1:32:33] } 13. Rxc3 { [%eval -6.56] [%clk 1:20:23] } 13... Bxc3 { [%eval -6.44] [%clk 1:32:51] } 14. Qc2 { [%eval -7.19] [%clk 1:20:45] } 14... Nd4 { [%eval -6.96] [%clk 1:32:47] } 15. Qd1 { [%eval -7.36] [%clk 1:20:42] } 15... Nef5 { [%eval -7.48] [%clk 1:32:37] } 16. Bxd4 { [%eval -7.39] [%clk 1:20:04] } 16... Bxd4 { [%eval -7.19] [%clk 1:32:43] } 17. Nf3 { [%eval -7.77] [%clk 1:19:47] } 17... O-O { [%eval -7.64] [%clk 1:33:01] } 18. Qd2 { [%eval -7.75] [%clk 1:19:19] } 18... Qf6 { [%eval -7.62] [%clk 1:32:53] } 19. Nxd4 { [%eval -7.7] [%clk 1:16:51] } 19... Nxd4 { [%eval -7.73] [%clk 1:32:57] } 20. Bd1 { [%eval -7.59] [%clk 1:16:59] } 20... Rae8 { [%eval -7.69] [%clk 1:33:03] } 21. Re1? { [%eval #-8] } { Checkmate is now unavoidable. a3 was best. } { [%clk 1:16:28] } 21... Qc6? { [%eval -8.88] } { Lost forced checkmate sequence. Qg5 was best. } { [%clk 1:33:21] } 22. f3 { [%eval -8.75] [%clk 1:16:00] } 22... Rxe1+ { [%eval -8.82] [%clk 1:33:29] } 23. Qxe1 { [%eval -8.9] [%clk 1:15:52] } 23... Re8 { [%eval -8.57] [%clk 1:33:50] } 24. Qf2 { [%eval -9.18] [%clk 1:16:16] } 24... Qe6 { [%eval -9.05] [%clk 1:34:00] } 25. h3 { [%eval -9.94] [%clk 1:16:17] } 25... Qe1+ { [%eval -10.03] [%clk 1:33:52] } 26. Qxe1 { [%eval -9.93] [%clk 1:16:29] } 26... Rxe1+ { [%eval -9.82] [%clk 1:34:05] } 27. Kf2 { [%eval -9.8] [%clk 1:16:52] } 27... Rxd1 { [%eval -9.92] [%clk 1:34:18] } 28. Kg3 { [%eval -10.71] [%clk 1:17:19] } 28... Rd2 { [%eval -9.73] [%clk 1:34:05] } 29. a4? { [%eval #-6] } { Checkmate is now unavoidable. h4 was best. } { [%clk 1:17:37] } 29... Nf5+ { [%eval #-5] [%clk 1:34:22] } 30. Kh2 { [%eval #-4] [%clk 1:17:54] } 30... Bxf3 { [%eval #-3] [%clk 1:34:36] } 31. Kg1 { [%eval #-3] [%clk 1:18:15] } 31... Rxg2+ { [%eval #-2] [%clk 1:34:54] } 32. Kf1 { [%eval #-2] [%clk 1:18:03] } 0-1