Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Zenker, Ulrich
WhiteTitle: FM
WhiteElo: 2081
Black: Chen, Muxi
BlackElo: 1979
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:12:23] } 1... c5 { [%eval 0.25] [%clk 0:15:08] } 2. Nf3 { [%eval 0.2] [%clk 0:12:24] } 2... Nc6 { [%eval 0.3] [%clk 0:15:12] } 3. c3 { [%eval 0.0] [%clk 0:12:26] } 3... d5 { [%eval 0.13] [%clk 0:15:08] } 4. exd5 { [%eval 0.17] [%clk 0:12:26] } 4... Qxd5 { [%eval 0.11] [%clk 0:15:11] } 5. Na3 { [%eval 0.13] [%clk 0:12:26] } 5... g6 { [%eval 0.46] [%clk 0:14:55] } 6. d4 { [%eval 0.3] [%clk 0:12:18] } 6... cxd4? { [%eval 1.73] } { Mistake. Bg4 was best. } { [%clk 0:14:46] } 7. Nb5 { [%eval 1.78] [%clk 0:12:12] } 7... Qd8?! { [%eval 2.89] } { Inaccuracy. Kd8 was best. } { [%clk 0:13:36] } 8. Bf4 { [%eval 2.85] [%clk 0:08:54] } 8... e5 { [%eval 3.33] [%clk 0:12:42] } 9. Nxe5 { [%eval 3.6] [%clk 0:08:52] } 9... Qf6 { [%eval 3.79] [%clk 0:10:31] } 10. Nc7+ { [%eval 3.84] [%clk 0:06:54] } 10... Kd8 { [%eval 3.93] [%clk 0:10:07] } 11. Bg5 { [%eval 3.83] [%clk 0:06:35] } 11... Qxg5 { [%eval 4.0] [%clk 0:10:03] } 12. Nxf7+ { [%eval 3.91] [%clk 0:06:37] } 12... Kxc7 { [%eval 4.04] [%clk 0:10:07] } 13. Nxg5 { [%eval 3.75] [%clk 0:06:35] } 13... dxc3 { [%eval 4.15] [%clk 0:09:07] } 14. bxc3 { [%eval 4.12] [%clk 0:06:09] } 14... Bg7 { [%eval 4.46] [%clk 0:08:51] } 15. Rc1 { [%eval 4.31] [%clk 0:05:54] } 15... Nf6 { [%eval 4.64] [%clk 0:08:38] } 16. Be2 { [%eval 4.6] [%clk 0:05:44] } 16... Rd8 { [%eval 4.95] [%clk 0:08:22] } 17. Qb3 { [%eval 4.89] [%clk 0:05:33] } 17... Re8 { [%eval 4.85] [%clk 0:07:46] } 18. Qc4 { [%eval 3.88] [%clk 0:04:13] } 18... h6 { [%eval 4.21] [%clk 0:07:29] } 19. Nf3 { [%eval 4.16] [%clk 0:03:57] } 19... Bf5 { [%eval 4.94] [%clk 0:07:00] } 20. O-O { [%eval 4.79] [%clk 0:03:03] } 20... Re4 { [%eval 5.86] [%clk 0:06:59] } 21. Nd4 { [%eval 5.71] [%clk 0:03:06] } 21... Nd7 { [%eval 5.73] [%clk 0:06:13] } 22. Bf3 { [%eval 6.17] [%clk 0:01:23] } 22... Ne5 { [%eval 6.29] [%clk 0:05:58] } 23. Qb3 { [%eval 6.36] [%clk 0:00:47] } 23... Nxf3+ { [%eval 6.09] [%clk 0:05:51] } 24. Nxf3 { [%eval 4.92] [%clk 0:00:50] } 24... Be6 { [%eval 4.74] [%clk 0:05:38] } 25. Qc2 { [%eval 4.69] [%clk 0:00:50] } 25... Bf5 { [%eval 4.56] [%clk 0:05:35] } 26. Qb3 { [%eval 4.65] [%clk 0:00:50] } 26... Be6 { [%eval 4.66] [%clk 0:05:39] } 27. Qb2 { [%eval 4.47] [%clk 0:00:48] } 27... Bc4 { [%eval 4.65] [%clk 0:05:01] } 28. Rfe1 { [%eval 4.64] [%clk 0:00:49] } 28... Rae8 { [%eval 5.08] [%clk 0:04:42] } 29. Rxe4 { [%eval 4.86] [%clk 0:00:43] } 29... Rxe4 { [%eval 5.0] [%clk 0:04:45] } 30. Re1 { [%eval 4.97] [%clk 0:00:47] } 30... Rxe1+ { [%eval 4.88] [%clk 0:04:31] } 31. Nxe1 { [%eval 4.81] [%clk 0:00:50] } 31... b5 { [%eval 4.75] [%clk 0:04:16] } 32. Nf3 { [%eval 4.79] [%clk 0:00:53] } 32... b4 { [%eval 5.87] [%clk 0:03:49] } 33. Qc2?! { [%eval 3.91] } { Inaccuracy. Qd2 was best. } { [%clk 0:00:57] } 33... Bxc3 { [%eval 3.45] [%clk 0:03:44] } 34. Qxg6?! { [%eval 2.12] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:55] } 34... Bxa2 { [%eval 2.27] [%clk 0:03:30] } 35. Qc2 { [%eval 2.07] [%clk 0:00:48] } 35... Bd5 { [%eval 2.55] [%clk 0:02:44] } 36. Qd3 { [%eval 2.42] [%clk 0:00:10] } 36... Kd6 { [%eval 2.01] [%clk 0:03:04] } 37. Kf1?! { [%eval 0.85] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:11] } 37... Kc5 { [%eval 1.41] [%clk 0:03:02] } 38. Nd2?! { [%eval 0.3] } { Inaccuracy. Qe3+ was best. } { [%clk 0:00:09] } 38... a5? { [%eval 1.77] } { Mistake. Bxd2 was best. } { [%clk 0:02:36] } 39. Ne4+ { [%eval 2.11] [%clk 0:00:07] } 39... Bxe4 { [%eval 1.58] [%clk 0:02:33] } 40. Qxe4 { [%eval 1.34] [%clk 0:00:11] } 40... a4 { [%eval 1.48] [%clk 0:02:09] } 41. f4? { [%eval 0.12] } { Mistake. Ke2 was best. } { [%clk 0:00:16] } 41... a3 { [%eval 0.05] [%clk 0:02:04] } 42. Qe6 { [%eval 0.13] [%clk 0:00:13] } 42... Nd4 { [%eval 0.37] [%clk 0:02:00] } 43. Qa2?! { [%eval -0.5] } { Inaccuracy. Qc8+ was best. } { [%clk 0:00:14] } 43... Bb2 { [%eval -0.38] [%clk 0:01:58] } 44. g4?? { [%eval -6.41] } { Blunder. Qf7 was best. } { [%clk 0:00:12] } 44... b3 { [%eval -7.71] [%clk 0:01:58] } 45. Qb1 { [%eval -7.22] [%clk 0:00:16] } 45... Bc3 { [%eval -7.64] [%clk 0:01:55] } 46. Qe4 { [%eval -7.69] [%clk 0:00:11] } 46... a2 { [%clk 0:01:46] } 47. Qe7+ { [%clk 0:00:13] } 47... Kc4 { [%clk 0:01:42] } 48. Qf7+ { [%clk 0:00:14] } 48... Kd3 { [%clk 0:01:42] } 49. Qg6+ { [%clk 0:00:14] } 49... Kd2 { [%clk 0:01:44] } 50. Kf2 a1=Q { [%clk 0:01:41] } 0-1