Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-21
White: Hoffmann, Achim Gunter
WhiteElo: 2045
Black: Chen, Zhi
BlackElo: 2246
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Grand Prix Attack
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 1:40:51] } 2. Nc3 { [%eval 0.26] [%clk 1:41:21] } 2... Nc6 { [%eval 0.16] [%clk 1:41:03] } 3. f4 { [%eval -0.09] [%clk 1:41:36] } 3... g6 { [%eval -0.04] [%clk 1:40:43] } 4. Nf3 { [%eval -0.11] [%clk 1:41:37] } 4... Bg7 { [%eval -0.16] [%clk 1:40:57] } 5. g3 { [%eval -0.28] [%clk 1:41:39] } 5... d6 { [%eval -0.25] [%clk 1:41:01] } 6. Bg2 { [%eval -0.31] [%clk 1:41:35] } 6... Rb8 { [%eval -0.27] [%clk 1:40:43] } 7. O-O { [%eval -0.11] [%clk 1:34:56] } 7... b5 { [%eval -0.15] [%clk 1:35:11] } 8. a3 { [%eval -0.19] [%clk 1:21:08] } 8... e6 { [%eval -0.14] [%clk 1:27:43] } 9. Ne2 { [%eval -0.21] [%clk 1:16:14] } 9... Qb6 { [%eval -0.15] [%clk 1:23:25] } 10. Kh1 { [%eval -0.32] [%clk 1:21:37] } 10... Nge7 { [%eval -0.21] [%clk 1:22:28] } 11. d3 { [%eval -0.25] [%clk 1:19:31] } 11... a5 { [%eval -0.16] [%clk 1:21:15] } 12. c3 { [%eval -0.22] [%clk 1:16:12] } 12... b4 { [%eval 0.08] [%clk 1:16:00] } 13. axb4 { [%eval 0.03] [%clk 1:11:21] } 13... axb4 { [%eval 0.07] [%clk 1:19:48] } 14. d4 { [%eval -0.28] [%clk 1:07:35] } 14... cxd4 { [%eval -0.17] [%clk 1:14:10] } 15. cxd4 { [%eval -0.36] [%clk 1:05:22] } 15... d5 { [%eval -0.43] [%clk 1:10:57] } 16. e5 { [%eval -0.58] [%clk 1:03:30] } 16... O-O { [%eval -0.28] [%clk 1:15:15] } 17. Be3 { [%eval -0.44] [%clk 1:01:51] } 17... Bd7?! { [%eval 0.3] } { Inaccuracy. Ba6 was best. } { [%clk 1:14:51] } 18. Nc1 { [%eval 0.04] [%clk 0:57:22] } 18... Na5 { [%eval 0.0] [%clk 1:10:37] } 19. b3 { [%eval -0.02] [%clk 0:47:27] } 19... Rfc8 { [%eval 0.39] [%clk 1:08:58] } 20. Rf2? { [%eval -0.86] } { Mistake. Re1 was best. } { [%clk 0:30:57] } 20... Nf5 { [%eval -0.81] [%clk 0:51:26] } 21. Re2 { [%eval -1.17] [%clk 0:28:25] } 21... Nxe3 { [%eval -1.25] [%clk 0:57:42] } 22. Rxe3 { [%eval -1.35] [%clk 0:28:54] } 22... Rc3 { [%eval -1.19] [%clk 0:56:16] } 23. Re2 { [%eval -1.3] [%clk 0:26:38] } 23... Rbc8 { [%eval -1.25] [%clk 0:53:30] } 24. Rea2 { [%eval -1.15] [%clk 0:24:43] } 24... Bb5 { [%eval -0.79] [%clk 0:49:59] } 25. Ng1 { [%eval -1.15] [%clk 0:12:29] } 25... Nb7? { [%eval -0.03] } { Mistake. Nc6 was best. } { [%clk 0:37:55] } 26. Nge2 { [%eval -0.32] [%clk 0:21:02] } 26... R3c7 { [%eval -0.38] [%clk 0:38:18] } 27. Qd2 { [%eval -0.54] [%clk 0:16:16] } 27... Bf8 { [%eval 0.0] [%clk 0:38:11] } 28. g4 { [%eval 0.0] [%clk 0:10:17] } 28... Nd8 { [%eval 0.0] [%clk 0:34:41] } 29. Nd3?? { [%eval -1.91] } { Blunder. f5 was best. } { [%clk 0:13:08] } 29... Nc6? { [%eval -0.53] } { Mistake. Rc3 was best. } { [%clk 0:34:40] } 30. Ndc1 { [%eval -0.62] [%clk 0:08:40] } 30... Kh8 { [%eval -0.64] [%clk 0:25:42] } 31. f5 { [%eval -1.05] [%clk 0:06:43] } 31... gxf5 { [%eval -0.97] [%clk 0:23:31] } 32. gxf5 { [%eval -1.12] [%clk 0:05:59] } 32... exf5 { [%eval -1.27] [%clk 0:22:06] } 33. Bxd5? { [%eval -3.05] } { Mistake. Ra8 was best. } { [%clk 0:12:05] } 33... Nxd4? { [%eval -1.62] } { Mistake. Rd7 was best. } { [%clk 0:21:16] } 34. Nxd4 { [%eval -1.34] [%clk 0:09:59] } 34... Bh6? { [%eval 0.0] } { Mistake. Rd7 was best. } { [%clk 0:21:39] } 35. Qf2?? { [%eval -6.49] } { Blunder. Qd1 was best. } { [%clk 0:07:53] } 35... Rxc1+ { [%eval -6.53] [%clk 0:20:40] } 36. Rxc1 { [%eval -6.43] [%clk 0:07:40] } 36... Rxc1+ { [%eval -6.84] [%clk 0:22:03] } 37. Kg2 { [%eval -6.72] [%clk 0:08:00] } 37... Bf1+ { [%eval -6.27] [%clk 0:22:20] } 38. Kf3?? { [%eval #-8] } { Checkmate is now unavoidable. Qxf1 was best. } { [%clk 0:07:27] } 38... Rc3+ { [%eval #-7] [%clk 0:21:16] } 0-1