Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-17
White: Federer, Colin
WhiteTitle: FM
WhiteElo: 2303
Black: Zhang, Haoxuan
BlackElo: 1979
Result: 0-1
ECO: B41
Opening: Sicilian Defense: Kan Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:54] } 1... c5 { [%eval 0.25] [%clk 1:40:38] } 2. Nf3 { [%eval 0.2] [%clk 1:41:20] } 2... e6 { [%eval 0.28] [%clk 1:41:02] } 3. d4 { [%eval 0.4] [%clk 1:41:43] } 3... cxd4 { [%eval 0.29] [%clk 1:41:22] } 4. Nxd4 { [%eval 0.23] [%clk 1:42:07] } 4... a6 { [%eval 0.42] [%clk 1:41:34] } 5. a3 { [%eval 0.28] [%clk 1:41:34] } 5... b5 { [%eval 0.2] [%clk 1:40:46] } 6. Nc3 { [%eval 0.11] [%clk 1:40:57] } 6... Qc7 { [%eval 0.19] [%clk 1:39:42] } 7. Be3 { [%eval 0.0] [%clk 1:33:18] } 7... Bb7 { [%eval 0.0] [%clk 1:37:36] } 8. Bd3 { [%eval -0.11] [%clk 1:22:22] } 8... Nf6 { [%eval -0.17] [%clk 1:36:10] } 9. O-O { [%eval -0.12] [%clk 1:22:05] } 9... Be7 { [%eval -0.01] [%clk 1:27:55] } 10. f4 { [%eval 0.0] [%clk 1:20:57] } 10... d6 { [%eval 0.0] [%clk 1:24:12] } 11. Qf3 { [%eval 0.0] [%clk 1:17:23] } 11... Nbd7 { [%eval 0.15] [%clk 1:15:20] } 12. Rad1 { [%eval -0.19] [%clk 1:11:43] } 12... h5 { [%eval 0.31] [%clk 1:05:28] } 13. Kh1 { [%eval 0.16] [%clk 1:03:28] } 13... Rc8 { [%eval 0.25] [%clk 0:55:28] } 14. f5 { [%eval -0.23] [%clk 0:54:12] } 14... e5 { [%eval -0.13] [%clk 1:09:28] } 15. Nb3 { [%eval -0.19] [%clk 0:54:06] } 15... h4 { [%eval -0.2] [%clk 0:59:42] } 16. Nd5?? { [%eval -3.33] } { Blunder. h3 was best. } { [%clk 0:49:48] } 16... Bxd5 { [%eval -3.11] [%clk 0:58:01] } 17. exd5 { [%eval -3.29] [%clk 0:50:12] } 17... e4 { [%eval -3.29] [%clk 0:58:07] } 18. Bxe4 { [%eval -3.24] [%clk 0:43:05] } 18... Ne5 { [%eval -3.19] [%clk 0:58:30] } 19. Qf4 { [%eval -3.15] [%clk 0:41:47] } 19... Nh5 { [%eval -3.17] [%clk 0:58:53] } 20. Qf2?! { [%eval -4.64] } { Inaccuracy. f6 was best. } { [%clk 0:42:07] } 20... Ng3+ { [%eval -4.47] [%clk 0:59:16] } 21. Kg1 { [%eval -4.55] [%clk 0:42:34] } 21... Nxe4 { [%eval -4.67] [%clk 0:59:41] } 22. Qf4 { [%eval -4.48] [%clk 0:42:29] } 22... Nf6 { [%eval -4.54] [%clk 0:58:48] } 23. Rfe1 { [%eval -4.59] [%clk 0:38:49] } 23... h3 { [%eval -4.67] [%clk 0:57:05] } 24. Qg3?! { [%eval -5.91] } { Inaccuracy. c3 was best. } { [%clk 0:37:54] } 24... Ne4 { [%eval -6.46] [%clk 0:56:36] } 25. Qf4 { [%eval -5.9] [%clk 0:36:05] } 25... Rh4 { [%eval -5.64] [%clk 0:56:52] } 26. Qf1 { [%eval -5.48] [%clk 0:36:17] } 26... hxg2 { [%eval -5.51] [%clk 0:57:09] } 0-1