Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-16
White: Hoffmann, Alexander
WhiteElo: 1872
Black: Gruenfeld, Yehuda
BlackTitle: GM
BlackElo: 2367
Result: 0-1
ECO: A15
Opening: English Opening: Anglo-Indian Defense
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. c4 { [%eval 0.12] [%clk 1:40:38] } 1... Nf6 { [%eval 0.14] [%clk 1:40:51] } 2. g3 { [%eval 0.11] [%clk 1:41:00] } 2... g6 { [%eval 0.2] [%clk 1:39:39] } 3. Bg2 { [%eval 0.18] [%clk 1:40:57] } 3... Bg7 { [%eval 0.42] [%clk 1:40:42] } 4. Nc3 { [%eval 0.18] [%clk 1:40:43] } 4... O-O { [%eval 0.28] [%clk 1:41:07] } 5. e4 { [%eval -0.02] [%clk 1:39:15] } 5... c5 { [%eval 0.03] [%clk 1:34:27] } 6. Nge2 { [%eval 0.0] [%clk 1:38:58] } 6... Nc6 { [%eval 0.0] [%clk 1:34:52] } 7. O-O { [%eval 0.0] [%clk 1:38:57] } 7... d6 { [%eval 0.0] [%clk 1:34:46] } 8. d3 { [%eval 0.01] [%clk 1:37:01] } 8... a6 { [%eval 0.05] [%clk 1:35:05] } 9. Rb1 { [%eval 0.08] [%clk 1:36:35] } 9... Rb8 { [%eval 0.05] [%clk 1:29:43] } 10. Nd5 { [%eval -0.34] [%clk 1:26:40] } 10... b5 { [%eval -0.35] [%clk 1:19:24] } 11. b3 { [%eval -0.26] [%clk 1:16:29] } 11... Bg4 { [%eval -0.29] [%clk 1:06:05] } 12. Be3 { [%eval -0.42] [%clk 1:09:26] } 12... Bxe2 { [%eval -0.5] [%clk 1:14:52] } 13. Qxe2 { [%eval -0.63] [%clk 1:08:56] } 13... Nd7 { [%eval -0.42] [%clk 1:08:40] } 14. Qd2 { [%eval -0.5] [%clk 0:59:38] } 14... e6 { [%eval -0.58] [%clk 1:05:52] } 15. Nc3?! { [%eval -1.15] } { Inaccuracy. Nf4 was best. } { [%clk 0:57:15] } 15... Qa5 { [%eval -1.15] [%clk 1:08:05] } 16. Rfc1 { [%eval -1.14] [%clk 0:37:03] } 16... Nd4?! { [%eval -0.21] } { Inaccuracy. Nde5 was best. } { [%clk 0:57:13] } 17. f4 { [%eval -0.27] [%clk 0:33:48] } 17... f5 { [%eval -0.05] [%clk 0:39:29] } 18. Kh1 { [%eval -0.02] [%clk 0:30:52] } 18... b4 { [%eval 0.0] [%clk 0:38:48] } 19. Ne2 { [%eval 0.09] [%clk 0:26:03] } 19... Qb6 { [%eval 0.09] [%clk 0:39:04] } 20. Nxd4 { [%eval 0.06] [%clk 0:23:11] } 20... cxd4 { [%eval 0.22] [%clk 0:39:25] } 21. Bf2 { [%eval 0.19] [%clk 0:23:05] } 21... Nc5 { [%eval 0.27] [%clk 0:39:06] } 22. Re1 { [%eval -0.01] [%clk 0:17:53] } 22... Kh8 { [%eval 0.02] [%clk 0:38:52] } 23. g4?? { [%eval -1.93] } { Blunder. exf5 was best. } { [%clk 0:14:53] } 23... fxg4 { [%eval -2.0] [%clk 0:36:14] } 24. e5?! { [%eval -2.79] } { Inaccuracy. Rf1 was best. } { [%clk 0:14:52] } 24... dxe5 { [%eval -3.06] [%clk 0:35:59] } 25. fxe5 { [%eval -3.13] [%clk 0:14:58] } 25... Nxd3 { [%eval -2.93] [%clk 0:33:56] } 26. Qxd3 { [%eval -2.92] [%clk 0:14:27] } 26... Rxf2 { [%eval -2.98] [%clk 0:31:12] } 27. Re2 { [%eval -3.37] [%clk 0:11:03] } 27... Rf4 { [%eval -2.79] [%clk 0:33:23] } 28. Rf1?! { [%eval -3.98] } { Inaccuracy. Re4 was best. } { [%clk 0:07:55] } 28... Rxf1+ { [%eval -4.1] [%clk 0:32:42] } 29. Bxf1 { [%eval -3.9] [%clk 0:08:23] } 29... Rf8 { [%eval -3.79] [%clk 0:32:34] } 30. Bg2 { [%eval -3.97] [%clk 0:08:00] } 30... Qc5 { [%eval -3.85] [%clk 0:32:32] } 31. Qe4 { [%eval -4.37] [%clk 0:07:55] } 31... Bh6 { [%eval -4.22] [%clk 0:31:08] } 32. Re1 { [%eval -3.86] [%clk 0:05:06] } 32... Be3 { [%eval -3.91] [%clk 0:31:46] } 33. Rd1 { [%eval -4.66] [%clk 0:03:38] } 33... a5 { [%eval -3.96] [%clk 0:31:29] } 34. h3?! { [%eval -6.1] } { Inaccuracy. Qxg4 was best. } { [%clk 0:02:48] } 34... Rf4 { [%eval -6.02] [%clk 0:30:55] } 35. Qa8+ { [%eval -5.67] [%clk 0:02:34] } 35... Kg7 { [%eval -5.85] [%clk 0:31:17] } 36. Qb7+ { [%eval -7.03] [%clk 0:02:29] } 36... Kh6 { [%eval -6.37] [%clk 0:31:08] } 37. Qb8 { [%eval -8.28] [%clk 0:02:21] } 37... gxh3?! { [%eval -5.7] } { Inaccuracy. Qe7 was best. } { [%clk 0:31:06] } 38. Bb7?! { [%eval -11.79] } { Inaccuracy. Qd6 was best. } { [%clk 0:01:32] } 38... Qe7 { [%eval -11.16] [%clk 0:29:18] } 39. c5?! { [%eval #-7] } { Checkmate is now unavoidable. a4 was best. } { [%clk 0:00:54] } 39... Qf7 { [%eval #-7] [%clk 0:29:38] } 40. c6 { [%eval #-4] [%clk 0:00:46] } 40... Rf1+ { [%eval #-3] [%clk 0:29:57] } 41. Rxf1 { [%eval #-2] [%clk 0:01:11] } 41... Qxf1+ { [%eval #-1] [%clk 0:30:11] } 0-1