Event: Biel Chess Festival 2025
Date: 2025-07-19
White: Loeffler, Helmut
WhiteElo: 1709
Black: Boyer, Jean-Francois
BlackElo: 1743
Result: 1/2-1/2
ECO: D04
Opening: Queen's Pawn Game: Colle System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d5 { [%eval 0.2] [%clk 1:30:50] } 2. Nf3 { [%eval 0.08] [%clk 1:31:17] } 2... Nf6 { [%eval 0.11] [%clk 1:31:09] } 3. e3 { [%eval 0.0] [%clk 1:31:32] } 3... c6 { [%eval 0.23] [%clk 1:30:40] } 4. Bd3 { [%eval 0.18] [%clk 1:31:40] } 4... Nbd7 { [%eval 0.39] [%clk 1:30:31] } 5. Nbd2 { [%eval 0.07] [%clk 1:31:53] } 5... Qc7 { [%eval 0.48] [%clk 1:25:28] } 6. O-O { [%eval 0.46] [%clk 1:31:31] } 6... e5 { [%eval 0.61] [%clk 1:24:36] } 7. dxe5?! { [%eval 0.0] } { Inaccuracy. e4 was best. } { [%clk 1:30:55] } 7... Nxe5 { [%eval 0.0] [%clk 1:24:47] } 8. Nxe5 { [%eval 0.07] [%clk 1:28:55] } 8... Qxe5 { [%eval 0.0] [%clk 1:25:08] } 9. Nf3 { [%eval 0.0] [%clk 1:28:34] } 9... Qd6 { [%eval 0.29] [%clk 1:21:06] } 10. c4 { [%eval 0.11] [%clk 1:24:35] } 10... dxc4 { [%eval 0.1] [%clk 1:13:19] } 11. Bxc4 { [%eval 0.1] [%clk 1:24:41] } 11... Qxd1 { [%eval 0.29] [%clk 1:12:23] } 12. Rxd1 { [%eval 0.34] [%clk 1:24:48] } 12... Bg4 { [%eval 0.47] [%clk 1:12:24] } 13. Be2 { [%eval 0.27] [%clk 1:22:58] } 13... Bc5 { [%eval 0.26] [%clk 1:08:54] } 14. h3 { [%eval 0.24] [%clk 1:22:10] } 14... Bh5 { [%eval 0.57] [%clk 1:06:12] } 15. g4 { [%eval 0.43] [%clk 1:19:38] } 15... Bg6 { [%eval 0.49] [%clk 1:06:05] } 16. a3 { [%eval 0.0] [%clk 1:16:57] } 16... a5 { [%eval 0.54] [%clk 1:03:21] } 17. Bd2 { [%eval 0.68] [%clk 1:13:08] } 17... Ne4 { [%eval 0.88] [%clk 1:00:35] } 18. Be1 { [%eval 0.83] [%clk 1:10:01] } 18... Bb6 { [%eval 0.84] [%clk 0:53:00] } 19. Ne5 { [%eval 0.75] [%clk 1:04:41] } 19... f6?! { [%eval 1.36] } { Inaccuracy. Bc7 was best. } { [%clk 0:48:48] } 20. Nc4?! { [%eval 0.33] } { Inaccuracy. Nxg6 was best. } { [%clk 1:02:55] } 20... Bc7 { [%eval 0.39] [%clk 0:48:18] } 21. Kg2 { [%eval 0.09] [%clk 0:59:34] } 21... b5?! { [%eval 1.07] } { Inaccuracy. h5 was best. } { [%clk 0:43:58] } 22. Nd2 { [%eval 1.04] [%clk 0:58:04] } 22... O-O-O { [%eval 1.55] [%clk 0:40:45] } 23. Nb3 { [%eval 1.24] [%clk 0:54:37] } 23... a4 { [%eval 1.53] [%clk 0:36:35] } 24. Nd4 { [%eval 1.67] [%clk 0:54:34] } 24... Kb7 { [%eval 1.61] [%clk 0:31:45] } 25. Rac1 { [%eval 1.54] [%clk 0:53:25] } 25... Rd6?? { [%eval 3.66] } { Blunder. Bb6 was best. } { [%clk 0:25:00] } 26. f3?! { [%eval 2.82] } { Inaccuracy. Bb4 was best. } { [%clk 0:50:58] } 26... Rxd4?! { [%eval 4.07] } { Inaccuracy. h5 was best. } { [%clk 0:20:42] } 27. Rxd4 { [%eval 3.92] [%clk 0:50:16] } 27... Nd6 { [%eval 4.82] [%clk 0:19:39] } 28. Bg3 { [%eval 4.79] [%clk 0:47:51] } 28... Rd8 { [%eval 4.95] [%clk 0:17:33] } 29. Rcd1 { [%eval 5.21] [%clk 0:46:25] } 29... Nf7 { [%eval 5.02] [%clk 0:17:53] } 30. Rxd8 { [%eval 4.83] [%clk 0:45:15] } 30... Bxd8 { [%eval 4.88] [%clk 0:17:47] } 31. e4?! { [%eval 3.34] } { Inaccuracy. h4 was best. } { [%clk 0:43:02] } 31... Bb6?! { [%eval 4.35] } { Inaccuracy. Kc8 was best. } { [%clk 0:14:59] } 32. h4 { [%eval 4.06] [%clk 0:41:59] } 32... h5 { [%eval 4.33] [%clk 0:15:00] } 33. Kh3 { [%eval 4.01] [%clk 0:35:24] } 33... Kc8 { [%eval 3.89] [%clk 0:14:00] } 34. Bd3 { [%eval 3.93] [%clk 0:32:29] } 34... hxg4+ { [%eval 3.98] [%clk 0:13:33] } 35. Kxg4 { [%eval 3.34] [%clk 0:26:39] } 35... Bh7 { [%eval 3.87] [%clk 0:10:00] } 36. Kh3 { [%eval 3.77] [%clk 0:42:07] } 36... Bg8 { [%eval 3.65] [%clk 0:29:31] } 37. Kg2 { [%eval 3.62] [%clk 0:42:05] } 1/2-1/2