Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-19
White: Chen, Yuan
WhiteElo: 2286
Black: Gloeckler, Christian
BlackTitle: FM
BlackElo: 2439
Result: 0-1
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:14] } 1... c5 { [%eval 0.25] [%clk 1:40:54] } 2. Nf3 { [%eval 0.2] [%clk 1:40:30] } 2... d6 { [%eval 0.31] [%clk 1:41:18] } 3. d4 { [%eval 0.22] [%clk 1:40:51] } 3... cxd4 { [%eval 0.19] [%clk 1:41:43] } 4. Nxd4 { [%eval 0.18] [%clk 1:41:15] } 4... Nf6 { [%eval 0.31] [%clk 1:42:04] } 5. Nc3 { [%eval 0.32] [%clk 1:41:40] } 5... a6 { [%eval 0.28] [%clk 1:42:29] } 6. g3 { [%eval 0.08] [%clk 1:39:30] } 6... e5 { [%eval 0.04] [%clk 1:42:38] } 7. Nde2 { [%eval 0.06] [%clk 1:39:40] } 7... Be6 { [%eval 0.4] [%clk 1:41:31] } 8. Bg2 { [%eval 0.36] [%clk 1:39:24] } 8... h5 { [%eval 0.43] [%clk 1:37:53] } 9. h4 { [%eval 0.06] [%clk 1:37:11] } 9... b5 { [%eval 0.37] [%clk 1:35:28] } 10. Bg5 { [%eval 0.24] [%clk 1:27:57] } 10... Nbd7 { [%eval 0.14] [%clk 1:28:01] } 11. O-O { [%eval -0.31] [%clk 1:31:37] } 11... Be7 { [%eval -0.31] [%clk 1:24:11] } 12. a3 { [%eval -0.5] [%clk 1:29:26] } 12... O-O { [%eval -0.48] [%clk 1:23:07] } 13. Nc1 { [%eval -0.49] [%clk 1:02:34] } 13... Qb6 { [%eval -0.51] [%clk 0:56:17] } 14. Nd3 { [%eval -0.56] [%clk 1:25:57] } 14... a5 { [%eval -0.61] [%clk 0:52:25] } 15. Nd5?! { [%eval -1.26] } { Inaccuracy. Bf3 was best. } { [%clk 1:24:46] } 15... Nxd5 { [%eval -1.31] [%clk 0:51:40] } 16. exd5 { [%eval -1.25] [%clk 1:25:08] } 16... Bg4 { [%eval -1.22] [%clk 0:52:02] } 17. Qd2 { [%eval -1.36] [%clk 1:21:47] } 17... Bxg5 { [%eval -1.35] [%clk 0:45:24] } 18. Qxg5 { [%eval -1.69] [%clk 1:21:39] } 18... Rfc8 { [%eval -1.68] [%clk 0:45:01] } 19. Rac1 { [%eval -1.6] [%clk 1:20:48] } 19... Nf6 { [%eval -1.63] [%clk 0:42:10] } 20. Rfe1 { [%eval -1.75] [%clk 1:14:49] } 20... b4 { [%eval -1.36] [%clk 0:24:34] } 21. axb4 { [%eval -1.5] [%clk 1:00:48] } 21... axb4 { [%eval -1.3] [%clk 0:35:25] } 22. Qd2?! { [%eval -1.91] } { Inaccuracy. Qe3 was best. } { [%clk 0:59:23] } 22... Rc4 { [%eval -1.97] [%clk 0:33:02] } 23. c3 { [%eval -1.95] [%clk 0:57:07] } 23... bxc3 { [%eval -1.78] [%clk 0:31:43] } 24. bxc3 { [%eval -1.8] [%clk 0:57:32] } 24... Ra3 { [%eval -1.97] [%clk 0:22:52] } 25. Nb2 { [%eval -2.29] [%clk 0:49:33] } 25... Rc7 { [%eval -1.85] [%clk 0:08:23] } 26. Nd3?! { [%eval -2.75] } { Inaccuracy. Ra1 was best. } { [%clk 0:38:48] } 26... Qb3 { [%eval -2.73] [%clk 0:22:31] } 27. Nb4 { [%eval -2.97] [%clk 0:28:12] } 27... Rxc3 { [%eval -2.88] [%clk 0:20:24] } 28. Rb1 { [%eval -3.02] [%clk 0:28:15] } 28... Qc4 { [%eval -3.01] [%clk 0:20:20] } 29. Nc6 { [%eval -3.23] [%clk 0:28:25] } 29... Qc5 { [%eval -3.13] [%clk 0:18:34] } 30. Rec1 { [%eval -3.18] [%clk 0:26:43] } 30... Rxc1+ { [%eval -3.17] [%clk 0:14:57] } 31. Rxc1 { [%eval -3.2] [%clk 0:27:08] } 31... Rd3?! { [%eval -2.35] } { Inaccuracy. Ra2 was best. } { [%clk 0:13:38] } 32. Ne7+ { [%eval -2.64] [%clk 0:22:07] } 32... Kh8 { [%eval -2.48] [%clk 0:10:10] } 33. Qb2 { [%eval -2.78] [%clk 0:22:43] } 33... Qd4 { [%eval -2.63] [%clk 0:00:58] } 34. Qxd4 { [%eval -3.05] [%clk 0:12:18] } 34... exd4 { [%eval -2.88] [%clk 0:08:06] } 35. Nc6 { [%eval -3.14] [%clk 0:09:17] } 35... Rc3 { [%eval -3.08] [%clk 0:07:34] } 36. Rf1? { [%eval -5.07] } { Mistake. Rxc3 was best. } { [%clk 0:05:14] } 36... d3 { [%eval -5.33] [%clk 0:04:26] } 37. f3 { [%eval -5.35] [%clk 0:04:01] } 37... Bd7 { [%eval -5.41] [%clk 0:04:37] } 38. Rd1 { [%eval -5.26] [%clk 0:03:39] } 38... Nxd5 { [%eval -5.29] [%clk 0:04:31] } 39. Nd4 { [%eval -6.08] [%clk 0:04:02] } 39... Ne3 { [%eval -6.49] [%clk 0:04:26] } 40. Rd2 { [%eval -6.4] [%clk 0:04:31] } 40... Nc4 { [%eval -6.28] [%clk 0:04:32] } 41. Rd1 { [%eval -6.57] [%clk 0:04:44] } 41... Ba4 { [%eval -6.45] [%clk 0:04:39] } 0-1