Event: Biel Chess Festival 2025 WT 2
Site: Biel, Switzerland
Date: 2025-07-21
White: Guillaume, Michel
WhiteElo: 1836
Black: Petry, Martin
BlackElo: 1940
Result: 0-1
ECO: A57
Opening: Benko Gambit
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:58] } 1... Nf6 { [%eval 0.19] [%clk 1:00:59] } 2. c4 { [%eval 0.18] [%clk 1:01:11] } 2... c5 { [%eval 0.56] [%clk 1:01:18] } 3. d5 { [%eval 0.47] [%clk 1:01:17] } 3... b5 { [%eval 0.47] [%clk 1:01:42] } 4. e3 { [%eval 0.21] [%clk 1:01:09] } 4... b4 { [%eval 0.27] [%clk 1:01:59] } 5. Bd3 { [%eval 0.17] [%clk 1:00:31] } 5... g6 { [%eval 0.17] [%clk 1:02:17] } 6. b3?! { [%eval -0.74] } { Inaccuracy. Nf3 was best. } { [%clk 0:59:37] } 6... Bg7?! { [%eval -0.07] } { Inaccuracy. Nxd5 was best. } { [%clk 1:02:37] } 7. Bb2 { [%eval -0.03] [%clk 0:59:48] } 7... O-O { [%eval -0.1] [%clk 1:02:50] } 8. Qc2 { [%eval -0.15] [%clk 0:59:39] } 8... d6 { [%eval -0.17] [%clk 1:02:34] } 9. Nd2 { [%eval -0.12] [%clk 0:59:30] } 9... a5 { [%eval -0.12] [%clk 1:02:50] } 10. Ne2 { [%eval -0.12] [%clk 0:57:26] } 10... a4 { [%eval -0.13] [%clk 1:03:08] } 11. bxa4 { [%eval -0.17] [%clk 0:57:14] } 11... Bd7 { [%eval -0.16] [%clk 1:03:30] } 12. O-O { [%eval -0.14] [%clk 0:55:53] } 12... Bxa4 { [%eval -0.16] [%clk 1:03:46] } 13. Nb3 { [%eval -0.7] [%clk 0:56:22] } 13... Nbd7 { [%eval -0.75] [%clk 1:03:41] } 14. e4 { [%eval -1.18] [%clk 0:52:13] } 14... Qc7 { [%eval -0.95] [%clk 1:02:42] } 15. f4 { [%eval -0.83] [%clk 0:49:40] } 15... Ra7 { [%eval -0.66] [%clk 1:02:18] } 16. Ng3 { [%eval -0.95] [%clk 0:36:55] } 16... Rfa8 { [%eval -0.54] [%clk 1:02:12] } 17. e5? { [%eval -2.22] } { Mistake. Qe2 was best. } { [%clk 0:33:28] } 17... dxe5 { [%eval -2.16] [%clk 0:54:11] } 18. fxe5?! { [%eval -2.94] } { Inaccuracy. f5 was best. } { [%clk 0:33:53] } 18... Nxe5 { [%eval -2.59] [%clk 0:51:56] } 19. Bxe5? { [%eval -5.08] } { Mistake. Qe2 was best. } { [%clk 0:34:20] } 19... Qxe5 { [%eval -5.02] [%clk 0:52:03] } 20. Rae1 { [%eval -4.81] [%clk 0:34:49] } 20... Bxb3 { [%eval -4.83] [%clk 0:49:11] } 21. Rxe5 { [%eval -5.16] [%clk 0:33:44] } 21... Bxc2 { [%eval -5.22] [%clk 0:49:33] } 22. Bxc2 { [%eval -5.09] [%clk 0:32:52] } 22... Rxa2 { [%eval -5.02] [%clk 0:45:22] } 23. Bb1 { [%eval -4.91] [%clk 0:28:50] } 23... R2a7 { [%eval -5.0] [%clk 0:44:38] } 24. Rfe1 { [%eval -5.18] [%clk 0:22:06] } 24... Kf8 { [%eval -5.04] [%clk 0:44:50] } 25. h3 { [%eval -5.53] [%clk 0:20:32] } 25... Nh5 { [%eval -5.56] [%clk 0:44:44] } 0-1