Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-17
White: Chen, Muxi
WhiteElo: 2224
Black: Hottinger, Simon
BlackElo: 1913
Result: 1/2-1/2
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:57] } 1... c5 { [%eval 0.25] [%clk 1:40:52] } 2. Nf3 { [%eval 0.2] [%clk 1:41:22] } 2... d6 { [%eval 0.31] [%clk 1:41:07] } 3. d4 { [%eval 0.22] [%clk 1:41:45] } 3... cxd4 { [%eval 0.19] [%clk 1:41:32] } 4. Nxd4 { [%eval 0.18] [%clk 1:42:11] } 4... Nf6 { [%eval 0.31] [%clk 1:41:54] } 5. Nc3 { [%eval 0.32] [%clk 1:42:36] } 5... a6 { [%eval 0.28] [%clk 1:42:19] } 6. Be2 { [%eval 0.14] [%clk 1:43:01] } 6... e5 { [%eval 0.14] [%clk 1:42:42] } 7. Nb3 { [%eval 0.09] [%clk 1:43:26] } 7... Be7 { [%eval 0.14] [%clk 1:43:03] } 8. Be3 { [%eval 0.33] [%clk 1:43:50] } 8... Be6 { [%eval 0.22] [%clk 1:43:27] } 9. Nd5 { [%eval 0.27] [%clk 1:44:14] } 9... Nbd7 { [%eval 0.25] [%clk 1:43:38] } 10. Qd3 { [%eval 0.29] [%clk 1:44:38] } 10... O-O { [%eval 0.3] [%clk 1:43:53] } 11. O-O { [%eval 0.16] [%clk 1:45:02] } 11... Bxd5 { [%eval 0.16] [%clk 1:44:14] } 12. exd5 { [%eval 0.33] [%clk 1:45:27] } 12... Rc8 { [%eval 0.28] [%clk 1:44:14] } 13. c4 { [%eval 0.24] [%clk 1:45:49] } 13... a5 { [%eval 0.24] [%clk 1:44:38] } 14. Rae1 { [%eval 0.2] [%clk 1:46:13] } 14... g6 { [%eval 0.19] [%clk 1:44:01] } 15. Kh1 { [%eval 0.27] [%clk 1:46:37] } 15... Re8 { [%eval 0.29] [%clk 1:43:09] } 16. f4 { [%eval 0.0] [%clk 1:36:10] } 16... a4 { [%eval -0.01] [%clk 1:37:02] } 17. Nd2 { [%eval 0.0] [%clk 1:34:06] } 17... exf4 { [%eval -0.02] [%clk 1:35:00] } 18. Bxf4 { [%eval -0.2] [%clk 1:33:25] } 18... Bf8 { [%eval -0.02] [%clk 1:25:37] } 19. Bg5 { [%eval -0.49] [%clk 1:19:20] } 19... Bg7 { [%eval -0.41] [%clk 1:20:14] } 20. Nb1 { [%eval -0.52] [%clk 1:00:02] } 20... Qb6 { [%eval -0.53] [%clk 1:17:45] } 21. Nc3 { [%eval -0.48] [%clk 0:47:05] } 21... Qa5?! { [%eval 0.36] } { Inaccuracy. Qxb2 was best. } { [%clk 0:51:02] } 22. Qb1 { [%eval 0.03] [%clk 0:25:46] } 22... Re7 { [%eval 0.45] [%clk 0:38:58] } 23. Nb5 { [%eval 0.39] [%clk 0:20:20] } 23... Rce8?! { [%eval 1.27] } { Inaccuracy. Qb6 was best. } { [%clk 0:26:53] } 24. Nxd6 { [%eval 1.38] [%clk 0:16:55] } 24... Rxe2 { [%eval 1.29] [%clk 0:34:09] } 25. Nxe8 { [%eval 1.14] [%clk 0:17:15] } 25... Rxe8 { [%eval 1.18] [%clk 0:34:33] } 26. Rxe8+ { [%eval 1.22] [%clk 0:17:10] } 26... Nxe8 { [%eval 1.13] [%clk 0:35:02] } 27. Qe4?? { [%eval -1.28] } { Blunder. Qe1 was best. } { [%clk 0:12:20] } 27... Ne5? { [%eval 0.0] } { Mistake. Be5 was best. } { [%clk 0:28:35] } 28. Bf4 { [%eval -0.1] [%clk 0:13:56] } 28... Nd6 { [%eval -0.17] [%clk 0:25:33] } 29. Qe2 { [%eval -0.12] [%clk 0:10:55] } 29... f6 { [%eval -0.06] [%clk 0:15:54] } 30. Bxe5 { [%eval -0.24] [%clk 0:12:26] } 30... fxe5 { [%eval -0.21] [%clk 0:15:21] } 31. Qf2 { [%eval -0.49] [%clk 0:12:38] } 31... Qb4 { [%eval -0.31] [%clk 0:08:21] } 32. c5 { [%eval -0.67] [%clk 0:05:59] } 32... Nf5 { [%eval -0.61] [%clk 0:14:45] } 33. d6 { [%eval -0.82] [%clk 0:05:31] } 33... Qd4? { [%eval 0.35] } { Mistake. Bf6 was best. } { [%clk 0:10:43] } 34. Qf3 { [%eval 0.0] [%clk 0:02:04] } 34... e4?! { [%eval 0.99] } { Inaccuracy. Bf6 was best. } { [%clk 0:07:25] } 35. Qe2?? { [%eval -2.18] } { Blunder. Qd1 was best. } { [%clk 0:00:46] } 35... Qxc5?? { [%eval 2.09] } { Blunder. e3 was best. } { [%clk 0:06:01] } 36. d7 { [%eval 2.26] [%clk 0:00:52] } 36... Qd5 { [%eval 2.13] [%clk 0:03:53] } 37. Rd1?? { [%eval 0.0] } { Blunder. g4 was best. } { [%clk 0:00:44] } 37... Nd4 { [%eval 0.0] [%clk 0:03:58] } 38. Qc4 { [%eval 0.0] [%clk 0:00:42] } 38... Qxc4 { [%eval 0.0] [%clk 0:03:19] } 39. d8=Q+ { [%eval 0.0] [%clk 0:00:05] } 39... Kf7 { [%eval 0.0] [%clk 0:03:13] } 40. Qd7+ { [%eval 0.0] [%clk 0:01:34] } 40... Kf8 { [%eval 0.0] [%clk 0:00:26] } 41. Qd8+ { [%eval 0.0] [%clk 0:00:55] } 41... Kf7 { [%eval 0.0] [%clk 0:00:50] } 42. Qd7+ { [%eval 0.0] [%clk 0:01:08] } 42... Kf8 { [%eval 0.0] [%clk 0:25:06] } 43. Qd8+ { [%eval 0.0] [%clk 0:31:30] } 1/2-1/2