Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Zenker, Ulrich
WhiteTitle: FM
WhiteElo: 2081
Black: Tcheau, Alain
BlackElo: 1912
Result: 1/2-1/2
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:08] } 1... c5 { [%eval 0.25] [%clk 0:15:09] } 2. Nf3 { [%eval 0.2] [%clk 0:14:45] } 2... Nc6 { [%eval 0.3] [%clk 0:15:12] } 3. c3 { [%eval 0.0] [%clk 0:14:47] } 3... d6?! { [%eval 0.57] } { Inaccuracy. Nf6 was best. } { [%clk 0:15:14] } 4. d4 { [%eval 0.7] [%clk 0:14:42] } 4... cxd4 { [%eval 0.53] [%clk 0:15:16] } 5. cxd4 { [%eval 0.68] [%clk 0:14:45] } 5... e6 { [%eval 0.78] [%clk 0:15:12] } 6. Nc3 { [%eval 0.78] [%clk 0:14:46] } 6... Nf6 { [%eval 0.82] [%clk 0:15:15] } 7. Bd3 { [%eval 0.77] [%clk 0:14:09] } 7... e5?! { [%eval 1.37] } { Inaccuracy. Be7 was best. } { [%clk 0:15:10] } 8. d5 { [%eval 1.51] [%clk 0:09:56] } 8... Ne7 { [%eval 1.88] [%clk 0:15:13] } 9. h3 { [%eval 1.34] [%clk 0:09:03] } 9... g6?! { [%eval 1.94] } { Inaccuracy. Ng6 was best. } { [%clk 0:15:05] } 10. Be3 { [%eval 2.03] [%clk 0:09:03] } 10... a6 { [%eval 2.52] [%clk 0:14:53] } 11. O-O { [%eval 2.42] [%clk 0:08:36] } 11... Bg7 { [%eval 2.48] [%clk 0:14:56] } 12. Qb3 { [%eval 2.21] [%clk 0:08:34] } 12... O-O { [%eval 2.11] [%clk 0:14:38] } 13. Rac1?! { [%eval 1.45] } { Inaccuracy. Rfd1 was best. } { [%clk 0:08:12] } 13... b5 { [%eval 1.49] [%clk 0:14:17] } 14. a4 { [%eval 1.43] [%clk 0:08:12] } 14... bxa4 { [%eval 1.53] [%clk 0:14:08] } 15. Nxa4 { [%eval 1.26] [%clk 0:08:07] } 15... Bd7 { [%eval 1.32] [%clk 0:13:54] } 16. Nc3 { [%eval 1.27] [%clk 0:05:44] } 16... Nh5 { [%eval 1.22] [%clk 0:13:43] } 17. Qa3 { [%eval 1.24] [%clk 0:05:35] } 17... Bb5?! { [%eval 1.94] } { Inaccuracy. Qb8 was best. } { [%clk 0:12:26] } 18. Nxb5 { [%eval 1.78] [%clk 0:05:02] } 18... axb5 { [%eval 1.77] [%clk 0:12:30] } 19. Qb4 { [%eval 1.65] [%clk 0:05:04] } 19... Rb8 { [%eval 2.15] [%clk 0:11:39] } 20. Ra1 { [%eval 2.14] [%clk 0:03:30] } 20... Nf4 { [%eval 2.23] [%clk 0:11:40] } 21. Rfd1 { [%eval 2.17] [%clk 0:03:05] } 21... Nxd3 { [%eval 2.04] [%clk 0:11:03] } 22. Rxd3 { [%eval 1.92] [%clk 0:03:09] } 22... Qd7?! { [%eval 3.23] } { Inaccuracy. h6 was best. } { [%clk 0:10:36] } 23. Ra6?! { [%eval 2.43] } { Inaccuracy. Ra7 was best. } { [%clk 0:03:03] } 23... Rfd8 { [%eval 2.36] [%clk 0:09:46] } 24. Rc3 { [%eval 2.37] [%clk 0:02:52] } 24... f5?! { [%eval 3.39] } { Inaccuracy. Bf8 was best. } { [%clk 0:08:48] } 25. Ng5 { [%eval 3.71] [%clk 0:02:54] } 25... fxe4 { [%eval 3.49] [%clk 0:08:36] } 26. Nxe4?! { [%eval 2.54] } { Inaccuracy. Qa5 was best. } { [%clk 0:02:44] } 26... Nf5 { [%eval 2.53] [%clk 0:06:29] } 27. Rcc6 { [%eval 2.45] [%clk 0:02:40] } 27... Kh8? { [%eval 4.01] } { Mistake. Qf7 was best. } { [%clk 0:05:44] } 28. Qa5?! { [%eval 2.71] } { Inaccuracy. Ra7 was best. } { [%clk 0:02:01] } 28... Nxe3 { [%eval 2.74] [%clk 0:05:33] } 29. fxe3 { [%eval 2.68] [%clk 0:02:05] } 29... Bh6 { [%eval 2.42] [%clk 0:05:26] } 30. Nxd6?! { [%eval 1.68] } { Inaccuracy. Qc3 was best. } { [%clk 0:01:50] } 30... Bxe3+ { [%eval 1.41] [%clk 0:05:05] } 31. Kh1? { [%eval 0.0] } { Mistake. Kh2 was best. } { [%clk 0:01:54] } 31... Rf8 { [%eval -0.04] [%clk 0:04:39] } 32. Qe1?? { [%eval -2.13] } { Blunder. Kh2 was best. } { [%clk 0:01:22] } 32... Bd4?? { [%eval 0.0] } { Blunder. Rf3 was best. } { [%clk 0:03:50] } 33. Ra1 { [%eval -0.27] [%clk 0:01:00] } 33... Rf6?? { [%eval 1.59] } { Blunder. Bxb2 was best. } { [%clk 0:03:44] } 34. Qb4?? { [%eval -3.68] } { Blunder. Nxb5 was best. } { [%clk 0:00:56] } 34... Rbf8? { [%eval -2.21] } { Mistake. Qe7 was best. } { [%clk 0:03:39] } 35. Ne4 { [%eval -3.76] [%clk 0:00:14] } 35... Rf1+ { [%eval -3.61] [%clk 0:03:40] } 36. Rxf1 { [%eval -3.66] [%clk 0:00:17] } 36... Rxf1+ { [%eval -3.56] [%clk 0:03:44] } 37. Kh2 { [%eval -3.38] [%clk 0:00:21] } 37... Bg1+ { [%eval -4.03] [%clk 0:03:06] } 38. Kg3 { [%eval -3.52] [%clk 0:00:25] } 38... Qf5?? { [%eval 0.0] } { Blunder. h5 was best. } { [%clk 0:03:00] } 39. Rf6 { [%eval 0.0] [%clk 0:00:13] } 39... Bf2+ { [%eval 0.0] [%clk 0:02:18] } 40. Kh2 { [%eval 0.0] [%clk 0:00:17] } 40... Bg1+ { [%eval 0.0] [%clk 0:02:09] } 41. Kg3 { [%eval 0.0] [%clk 0:00:22] } 41... Bf2+ { [%eval 0.0] [%clk 0:02:11] } 42. Kh2 { [%eval 0.0] [%clk 0:00:25] } 1/2-1/2