Event: Biel Chess Festival 2025
Date: 2025-07-21
White: Lachausse, Vincent
WhiteElo: 0
Black: Klas, Friedrich Guenther
BlackElo: 1686
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Short Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:28:33] } 1... c6 { [%eval 0.23] [%clk 1:30:59] } 2. d4 { [%eval 0.24] [%clk 1:28:40] } 2... d5 { [%eval 0.24] [%clk 1:31:20] } 3. e5 { [%eval 0.33] [%clk 1:28:43] } 3... Bf5 { [%eval 0.22] [%clk 1:31:37] } 4. Nf3 { [%eval 0.15] [%clk 1:27:10] } 4... e6 { [%eval 0.24] [%clk 1:31:55] } 5. a3 { [%eval 0.14] [%clk 1:26:06] } 5... c5 { [%eval 0.28] [%clk 1:31:38] } 6. Bb5+ { [%eval -0.03] [%clk 1:24:26] } 6... Nc6 { [%eval 0.04] [%clk 1:31:43] } 7. b3?? { [%eval -4.54] } { Blunder. Be3 was best. } { [%clk 1:22:18] } 7... Qb6?? { [%eval -0.45] } { Blunder. Qa5+ was best. } { [%clk 1:28:49] } 8. Nc3 { [%eval -0.64] [%clk 1:21:00] } 8... a6 { [%eval -0.66] [%clk 1:29:11] } 9. Bxc6+ { [%eval -0.52] [%clk 1:21:05] } 9... bxc6?? { [%eval 1.58] } { Blunder. Qxc6 was best. } { [%clk 1:28:29] } 10. O-O? { [%eval 0.24] } { Mistake. Na4 was best. } { [%clk 1:16:26] } 10... Be7? { [%eval 1.57] } { Mistake. cxd4 was best. } { [%clk 1:28:28] } 11. Na4 { [%eval 1.72] [%clk 1:16:26] } 11... Qa7 { [%eval 1.72] [%clk 1:28:46] } 12. dxc5 { [%eval 1.72] [%clk 1:15:27] } 12... Bxc5 { [%eval 1.56] [%clk 1:28:37] } 13. Nxc5 { [%eval 1.01] [%clk 1:13:28] } 13... Qxc5 { [%eval 1.07] [%clk 1:28:37] } 14. Nd4?! { [%eval 0.48] } { Inaccuracy. Be3 was best. } { [%clk 1:10:34] } 14... Bg6?! { [%eval 1.31] } { Inaccuracy. Ne7 was best. } { [%clk 1:27:46] } 15. Be3 { [%eval 1.29] [%clk 1:08:47] } 15... Ne7?? { [%eval 3.7] } { Blunder. Qc3 was best. } { [%clk 1:26:55] } 16. c4?? { [%eval 0.12] } { Blunder. Nxe6 was best. } { [%clk 1:03:43] } 16... Qa5?! { [%eval 0.91] } { Inaccuracy. dxc4 was best. } { [%clk 1:25:50] } 17. b4 { [%eval 0.47] [%clk 1:00:47] } 17... Qd8?! { [%eval 1.49] } { Inaccuracy. Qc7 was best. } { [%clk 1:20:26] } 18. c5?! { [%eval 0.74] } { Inaccuracy. Rc1 was best. } { [%clk 0:58:07] } 18... Rc8?! { [%eval 1.43] } { Inaccuracy. Qc7 was best. } { [%clk 1:20:22] } 19. Qa4 { [%eval 1.42] [%clk 0:52:17] } 19... Bd3 { [%eval 1.42] [%clk 1:20:35] } 20. Rfd1 { [%eval 1.21] [%clk 0:51:36] } 20... Bc4 { [%eval 1.07] [%clk 1:20:46] } 21. Bg5 { [%eval 1.03] [%clk 0:49:16] } 21... Bb5 { [%eval 1.44] [%clk 1:19:27] } 22. Qb3 { [%eval 1.42] [%clk 0:46:16] } 22... Bc4?! { [%eval 2.33] } { Inaccuracy. h6 was best. } { [%clk 1:17:13] } 23. Qg3 { [%eval 2.37] [%clk 0:44:25] } 23... h6 { [%eval 2.42] [%clk 1:13:04] } 24. Bxe7 { [%eval 2.26] [%clk 0:44:25] } 24... Kxe7?! { [%eval 3.09] } { Inaccuracy. Qxe7 was best. } { [%clk 1:10:16] } 25. Qxg7 { [%eval 3.07] [%clk 0:43:28] } 25... Qd7?? { [%eval 7.43] } { Blunder. Qg8 was best. } { [%clk 1:09:53] } 26. Qf6+ { [%eval 7.41] [%clk 0:43:06] } 26... Ke8 { [%eval 7.06] [%clk 1:06:12] } 1-0