Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-16
White: Haugner, Jan
WhiteElo: 2066
Black: Chen, Zhi
BlackElo: 2246
Result: 1-0
ECO: B29
Opening: Sicilian Defense: Nimzowitsch Variation, Main Line
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:58] } 1... c5 { [%eval 0.25] [%clk 1:40:52] } 2. Nf3 { [%eval 0.2] [%clk 1:41:23] } 2... Nf6 { [%eval 0.48] [%clk 1:41:06] } 3. e5 { [%eval 0.43] [%clk 1:41:36] } 3... Nd5 { [%eval 0.44] [%clk 1:41:26] } 4. Nc3 { [%eval 0.48] [%clk 1:41:42] } 4... e6 { [%eval 0.52] [%clk 1:41:43] } 5. Nxd5 { [%eval 0.41] [%clk 1:40:21] } 5... exd5 { [%eval 0.52] [%clk 1:42:08] } 6. d4 { [%eval 0.51] [%clk 1:39:47] } 6... Nc6 { [%eval 0.4] [%clk 1:42:19] } 7. dxc5 { [%eval 0.37] [%clk 1:39:24] } 7... Bxc5 { [%eval 0.35] [%clk 1:42:45] } 8. Qxd5 { [%eval 0.52] [%clk 1:38:30] } 8... d6 { [%eval 0.46] [%clk 1:43:09] } 9. Ng5 { [%eval 0.03] [%clk 1:05:25] } 9... Qa5+ { [%eval 0.1] [%clk 1:29:41] } 10. Kd1 { [%eval -0.07] [%clk 1:02:55] } 10... Bg4+ { [%eval 0.13] [%clk 1:02:04] } 11. f3 { [%eval 0.13] [%clk 0:59:39] } 11... O-O-O { [%eval 0.26] [%clk 1:01:56] } 12. e6 { [%eval 0.17] [%clk 0:52:17] } 12... fxe6?? { [%eval 1.98] } { Blunder. Bxe6 was best. } { [%clk 0:49:17] } 13. Qd2 { [%eval 2.0] [%clk 0:37:56] } 13... Bb4?! { [%eval 3.18] } { Inaccuracy. Qxd2+ was best. } { [%clk 0:37:00] } 14. c3 { [%eval 3.6] [%clk 0:41:47] } 14... Bf5 { [%eval 4.31] [%clk 0:37:03] } 15. Nf7? { [%eval 2.1] } { Mistake. cxb4 was best. } { [%clk 0:36:46] } 15... Bc5 { [%eval 2.01] [%clk 0:36:42] } 16. Nxh8 { [%eval 2.2] [%clk 0:35:53] } 16... Rxh8 { [%eval 2.43] [%clk 0:36:59] } 17. Bd3 { [%eval 2.45] [%clk 0:35:44] } 17... Bb6 { [%eval 2.37] [%clk 0:33:15] } 18. Bxf5 { [%eval 1.97] [%clk 0:31:40] } 18... Qxf5 { [%eval 2.17] [%clk 0:31:50] } 19. Re1 { [%eval 2.12] [%clk 0:26:50] } 19... d5 { [%eval 2.05] [%clk 0:30:25] } 20. Qc2 { [%eval 1.76] [%clk 0:25:24] } 20... Qf6 { [%eval 1.95] [%clk 0:29:51] } 21. Bd2 { [%eval 1.83] [%clk 0:20:33] } 21... d4? { [%eval 3.19] } { Mistake. h6 was best. } { [%clk 0:28:49] } 22. Qe4 { [%eval 3.14] [%clk 0:18:55] } 22... e5 { [%eval 3.05] [%clk 0:28:07] } 23. Kc2 { [%eval 2.55] [%clk 0:17:24] } 23... Qf7 { [%eval 2.74] [%clk 0:27:12] } 24. b3 { [%eval 2.6] [%clk 0:15:18] } 24... Kb8 { [%eval 2.82] [%clk 0:26:32] } 25. c4?! { [%eval 2.02] } { Inaccuracy. Rac1 was best. } { [%clk 0:13:30] } 25... Bc7 { [%eval 2.3] [%clk 0:25:42] } 26. Rf1 { [%eval 1.86] [%clk 0:12:53] } 26... Qh5 { [%eval 2.19] [%clk 0:25:43] } 27. h4 { [%eval 2.12] [%clk 0:09:18] } 27... Rd8 { [%eval 2.15] [%clk 0:19:41] } 28. Kd3 { [%eval 1.79] [%clk 0:08:04] } 28... h6 { [%eval 1.89] [%clk 0:19:39] } 29. g3 { [%eval 1.69] [%clk 0:07:52] } 29... Ne7 { [%eval 2.17] [%clk 0:17:57] } 30. Rae1 { [%eval 2.1] [%clk 0:05:31] } 30... Ng8 { [%eval 2.57] [%clk 0:19:12] } 31. Kc2?! { [%eval 1.88] } { Inaccuracy. Qg4 was best. } { [%clk 0:02:52] } 31... d3+?! { [%eval 2.79] } { Inaccuracy. Nf6 was best. } { [%clk 0:15:33] } 32. Kb1 { [%eval 2.65] [%clk 0:03:59] } 32... Nf6 { [%eval 2.55] [%clk 0:15:48] } 33. Qe3 { [%eval 2.7] [%clk 0:03:41] } 33... Qg6 { [%eval 2.98] [%clk 0:15:29] } 34. g4 { [%eval 2.79] [%clk 0:03:21] } 34... Rd4?! { [%eval 3.69] } { Inaccuracy. a5 was best. } { [%clk 0:08:47] } 35. Kb2?! { [%eval 2.81] } { Inaccuracy. h5 was best. } { [%clk 0:02:30] } 35... Nd7 { [%eval 3.24] [%clk 0:08:52] } 36. h5 { [%eval 3.26] [%clk 0:01:40] } 36... Qd6 { [%eval 3.24] [%clk 0:03:04] } 37. Rd1? { [%eval 1.75] } { Mistake. Bc3 was best. } { [%clk 0:01:13] } 37... Bb6? { [%eval 3.45] } { Mistake. Nc5 was best. } { [%clk 0:00:47] } 38. Qe1?! { [%eval 2.31] } { Inaccuracy. Bc3 was best. } { [%clk 0:01:40] } 38... Nf6?! { [%eval 3.58] } { Inaccuracy. Nc5 was best. } { [%clk 0:00:40] } 39. Bc3 { [%eval 3.51] [%clk 0:00:53] } 39... e4 { [%eval 3.48] [%clk 0:01:07] } 40. Kb1 { [%eval 3.58] [%clk 0:00:39] } 40... Bc5 { [%eval 3.84] [%clk 0:30:32] } 41. b4 { [%eval 3.93] [%clk 0:14:15] } 41... Rxc4 { [%eval 4.54] [%clk 0:29:44] } 42. bxc5 { [%eval 4.36] [%clk 0:14:27] } 42... Qxc5 { [%eval 4.38] [%clk 0:27:38] } 43. Bb2 { [%eval 4.3] [%clk 0:10:43] } 43... Rc2 { [%eval 4.79] [%clk 0:25:08] } 44. Qg3+ { [%eval 5.34] [%clk 0:08:20] } 44... Ka8 { [%eval 5.34] [%clk 0:25:00] } 45. Qe5 { [%eval 5.45] [%clk 0:04:06] } 45... Qe3 { [%eval 5.72] [%clk 0:19:58] } 46. Qd4 { [%eval 5.83] [%clk 0:00:48] } 46... Rxb2+ { [%eval 6.19] [%clk 0:18:11] } 47. Qxb2 { [%eval 6.13] [%clk 0:06:40] } 47... exf3 { [%eval 6.2] [%clk 0:18:38] } 48. Qc3 { [%eval 6.27] [%clk 0:06:09] } 1-0