Event: Biel Chess Festival 2025
Date: 2025-07-19
White: Jampen, Florian
WhiteElo: 0
Black: Leuenberger, Urs
BlackElo: 1859
Result: 1-0
ECO: A36
Opening: English Opening: Symmetrical Variation, Botvinnik System
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:18:09] } 1... c5 { [%eval 0.19] [%clk 1:29:57] } 2. g3 { [%eval 0.07] [%clk 1:18:32] } 2... Nc6 { [%eval 0.11] [%clk 1:29:55] } 3. Bg2 { [%eval 0.11] [%clk 1:18:52] } 3... g6 { [%eval 0.14] [%clk 1:29:57] } 4. Nc3 { [%eval 0.11] [%clk 1:19:16] } 4... Bg7 { [%eval 0.14] [%clk 1:30:13] } 5. e4 { [%eval 0.0] [%clk 1:19:29] } 5... d6 { [%eval 0.02] [%clk 1:29:00] } 6. Nge2 { [%eval 0.0] [%clk 1:14:52] } 6... e6 { [%eval 0.1] [%clk 1:28:31] } 7. d3 { [%eval 0.07] [%clk 1:14:50] } 7... Nge7 { [%eval 0.09] [%clk 1:28:42] } 8. Be3 { [%eval -0.14] [%clk 1:14:18] } 8... O-O { [%eval -0.03] [%clk 1:28:25] } 9. Qd2 { [%eval -0.07] [%clk 1:14:19] } 9... Re8 { [%eval 0.41] [%clk 1:27:02] } 10. O-O { [%eval 0.3] [%clk 1:14:05] } 10... Rb8 { [%eval 0.47] [%clk 1:26:50] } 11. d4 { [%eval 0.47] [%clk 1:10:21] } 11... b6 { [%eval 0.4] [%clk 1:19:24] } 12. b3 { [%eval 0.48] [%clk 1:02:16] } 12... a6 { [%eval 0.59] [%clk 1:14:21] } 13. Rad1 { [%eval 0.49] [%clk 1:02:09] } 13... Qc7?! { [%eval 1.2] } { Inaccuracy. e5 was best. } { [%clk 1:13:12] } 14. d5?! { [%eval 0.63] } { Inaccuracy. f4 was best. } { [%clk 1:01:38] } 14... exd5 { [%eval 0.8] [%clk 1:12:07] } 15. Nxd5 { [%eval 0.5] [%clk 1:01:44] } 15... Nxd5 { [%eval 0.41] [%clk 1:12:04] } 16. Qxd5 { [%eval 0.47] [%clk 1:01:27] } 16... Bf8 { [%eval 0.52] [%clk 1:00:15] } 17. f4?! { [%eval -0.03] } { Inaccuracy. Qd2 was best. } { [%clk 0:47:57] } 17... Be6 { [%eval 0.3] [%clk 0:54:28] } 18. Qd2 { [%eval 0.42] [%clk 0:47:32] } 18... f5 { [%eval 0.66] [%clk 0:53:49] } 19. exf5 { [%eval 0.73] [%clk 0:45:43] } 19... Bxf5 { [%eval 0.54] [%clk 0:51:19] } 20. Nc3 { [%eval 0.5] [%clk 0:45:40] } 20... Kh8?! { [%eval 1.22] } { Inaccuracy. Qd7 was best. } { [%clk 0:37:03] } 21. h3 { [%eval 1.21] [%clk 0:42:32] } 21... Nb4? { [%eval 2.51] } { Mistake. h5 was best. } { [%clk 0:33:05] } 22. g4 { [%eval 2.77] [%clk 0:39:56] } 22... Be6 { [%eval 3.06] [%clk 0:29:01] } 23. a3 { [%eval 3.0] [%clk 0:34:18] } 23... Nc6 { [%eval 2.92] [%clk 0:29:17] } 24. Qd3? { [%eval 1.5] } { Mistake. f5 was best. } { [%clk 0:28:08] } 24... Bf7 { [%eval 1.45] [%clk 0:22:02] } 25. Nd5 { [%eval 1.09] [%clk 0:24:23] } 25... Qd8 { [%eval 1.58] [%clk 0:21:58] } 26. g5?! { [%eval 0.75] } { Inaccuracy. f5 was best. } { [%clk 0:20:45] } 26... Bxd5 { [%eval 0.84] [%clk 0:22:04] } 27. Bxd5 { [%eval 0.84] [%clk 0:20:35] } 27... Ne7? { [%eval 2.21] } { Mistake. Qd7 was best. } { [%clk 0:17:47] } 28. Rfe1?? { [%eval 0.28] } { Blunder. Bf7 was best. } { [%clk 0:20:57] } 28... Bg7?! { [%eval 1.12] } { Inaccuracy. Nxd5 was best. } { [%clk 0:05:33] } 29. h4?! { [%eval 0.05] } { Inaccuracy. Be6 was best. } { [%clk 0:17:15] } 1-0