Event: Biel Chess Festival 2025
Date: 2025-07-17
White: Klas, Friedrich Guenther
WhiteElo: 1686
Black: Boyer, Jean-Francois
BlackElo: 1743
Result: 0-1
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:51] } 1... d5 { [%eval 0.2] [%clk 1:30:44] } 2. Nf3 { [%eval 0.08] [%clk 1:31:07] } 2... Nf6 { [%eval 0.11] [%clk 1:30:44] } 3. Bf4 { [%eval 0.02] [%clk 1:31:26] } 3... c6 { [%eval 0.28] [%clk 1:28:47] } 4. e3 { [%eval 0.28] [%clk 1:27:49] } 4... Bf5 { [%eval 0.26] [%clk 1:26:08] } 5. Nbd2 { [%eval 0.14] [%clk 1:25:51] } 5... h6 { [%eval 0.21] [%clk 1:20:53] } 6. h3 { [%eval 0.18] [%clk 1:25:41] } 6... Nbd7 { [%eval 0.34] [%clk 1:18:23] } 7. c4 { [%eval 0.23] [%clk 1:15:59] } 7... e6 { [%eval 0.32] [%clk 1:17:02] } 8. Qb3 { [%eval 0.17] [%clk 1:12:39] } 8... b6? { [%eval 1.34] } { Mistake. Qc8 was best. } { [%clk 1:01:02] } 9. Bd3? { [%eval 0.12] } { Mistake. cxd5 was best. } { [%clk 1:00:03] } 9... Bxd3 { [%eval 0.12] [%clk 0:55:59] } 10. Qxd3 { [%eval 0.13] [%clk 1:00:30] } 10... c5 { [%eval 0.31] [%clk 0:53:40] } 11. O-O { [%eval 0.09] [%clk 0:57:54] } 11... Be7 { [%eval 0.26] [%clk 0:53:23] } 12. Ne5 { [%eval -0.07] [%clk 0:58:07] } 12... Qc8 { [%eval 0.06] [%clk 0:49:59] } 13. Rac1 { [%eval 0.06] [%clk 0:57:22] } 13... O-O { [%eval 0.21] [%clk 0:48:22] } 14. Ndf3 { [%eval -0.05] [%clk 0:51:21] } 14... Qb7 { [%eval -0.01] [%clk 0:45:36] } 15. Nxd7 { [%eval -0.02] [%clk 0:47:16] } 15... Nxd7 { [%eval 0.16] [%clk 0:43:40] } 16. b3 { [%eval 0.07] [%clk 0:45:24] } 16... Rad8 { [%eval 0.16] [%clk 0:37:04] } 17. Rce1 { [%eval -0.16] [%clk 0:39:59] } 17... Nf6 { [%eval -0.05] [%clk 0:33:24] } 18. Qc2 { [%eval -0.35] [%clk 0:25:50] } 18... Ne4 { [%eval -0.11] [%clk 0:32:23] } 19. Nd2?? { [%eval -1.94] } { Blunder. cxd5 was best. } { [%clk 0:24:39] } 19... Nxd2 { [%eval -1.97] [%clk 0:30:12] } 20. Qxd2 { [%eval -1.99] [%clk 0:25:06] } 20... dxc4 { [%eval -1.88] [%clk 0:29:48] } 21. bxc4 { [%eval -2.03] [%clk 0:25:29] } 21... Bf6 { [%eval -2.05] [%clk 0:29:36] } 22. g4?! { [%eval -3.38] } { Inaccuracy. Qe2 was best. } { [%clk 0:24:27] } 22... g5 { [%eval -2.81] [%clk 0:29:22] } 23. Bg3 { [%eval -2.68] [%clk 0:24:50] } 23... cxd4 { [%eval -2.66] [%clk 0:29:14] } 24. e4 { [%eval -3.1] [%clk 0:24:29] } 24... e5 { [%eval -2.91] [%clk 0:28:01] } 25. f3 { [%eval -3.59] [%clk 0:23:20] } 25... Rc8 { [%eval -3.38] [%clk 0:26:30] } 26. Qd3 { [%eval -4.12] [%clk 0:23:47] } 26... Rc5 { [%eval -3.94] [%clk 0:26:12] } 27. a4 { [%eval -4.1] [%clk 0:23:24] } 27... Rfc8 { [%eval -4.21] [%clk 0:25:57] } 28. Rc1 { [%eval -4.11] [%clk 0:23:51] } 28... Qa6 { [%eval -4.01] [%clk 0:26:03] } 29. Qd2 { [%eval -5.0] [%clk 0:23:15] } 29... Rxc4 { [%eval -4.9] [%clk 0:25:22] } 30. Bf2 { [%eval -5.01] [%clk 0:23:27] } 30... Be7 { [%eval -4.95] [%clk 0:23:08] } 0-1