Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Klopfenstein, Francois
WhiteElo: 1835
Black: Schweitzer, Olaf
BlackElo: 1996
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Grand Prix Attack
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:07] } 1... c5 { [%eval 0.25] [%clk 0:15:09] } 2. Nc3 { [%eval 0.26] [%clk 0:15:11] } 2... Nc6 { [%eval 0.16] [%clk 0:15:13] } 3. f4 { [%eval -0.09] [%clk 0:15:14] } 3... g6 { [%eval -0.04] [%clk 0:15:17] } 4. Nf3 { [%eval -0.19] [%clk 0:15:18] } 4... Bg7 { [%eval -0.16] [%clk 0:15:21] } 5. a3 { [%eval -0.31] [%clk 0:15:22] } 5... e6 { [%eval -0.13] [%clk 0:14:41] } 6. b4 { [%eval -0.16] [%clk 0:11:49] } 6... cxb4?! { [%eval 0.78] } { Inaccuracy. b6 was best. } { [%clk 0:14:34] } 7. axb4 { [%eval 0.77] [%clk 0:11:53] } 7... d5 { [%eval 0.95] [%clk 0:14:00] } 8. e5 { [%eval 1.24] [%clk 0:09:51] } 8... Nge7 { [%eval 1.49] [%clk 0:14:03] } 9. b5 { [%eval 1.48] [%clk 0:09:34] } 9... Nb8 { [%eval 1.98] [%clk 0:14:06] } 10. d4 { [%eval 1.81] [%clk 0:08:43] } 10... O-O?! { [%eval 2.5] } { Inaccuracy. a5 was best. } { [%clk 0:14:07] } 11. Bd3 { [%eval 2.39] [%clk 0:08:39] } 11... Nd7 { [%eval 2.33] [%clk 0:13:12] } 12. Qe2 { [%eval 2.16] [%clk 0:07:47] } 12... Nb6 { [%eval 2.15] [%clk 0:12:16] } 13. Qf2 { [%eval 1.73] [%clk 0:07:23] } 13... Qc7 { [%eval 2.24] [%clk 0:11:28] } 14. Bd2? { [%eval 0.96] } { Mistake. Ne2 was best. } { [%clk 0:07:22] } 14... Nc4 { [%eval 1.0] [%clk 0:11:30] } 15. O-O { [%eval 0.76] [%clk 0:06:04] } 15... Bd7 { [%eval 0.81] [%clk 0:10:53] } 16. Rfb1 { [%eval 0.57] [%clk 0:04:51] } 16... Rfc8?! { [%eval 1.18] } { Inaccuracy. a6 was best. } { [%clk 0:10:43] } 17. Na4 { [%eval 1.21] [%clk 0:04:40] } 17... b6 { [%eval 1.16] [%clk 0:10:31] } 18. Nc3?? { [%eval -2.97] } { Blunder. Bb4 was best. } { [%clk 0:04:02] } 18... Nxd2 { [%eval -3.1] [%clk 0:10:32] } 19. Qxd2 { [%eval -2.98] [%clk 0:04:03] } 19... Qxc3 { [%eval -3.09] [%clk 0:10:35] } 20. Qf2 { [%eval -2.83] [%clk 0:03:35] } 20... h5 { [%eval -2.64] [%clk 0:08:26] } 21. h3 { [%eval -2.91] [%clk 0:03:08] } 21... Bh6?! { [%eval -1.97] } { Inaccuracy. Rc4 was best. } { [%clk 0:07:23] } 22. Rb3 { [%clk 0:02:46] } 22... Qxa1+ { [%clk 0:07:26] } 0-1