Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-24
White: Guidi, Elia
WhiteElo: 1653
Black: Weber, Jason
BlackElo: 1769
Result: 0-1
ECO: E70
Opening: King's Indian Defense: Accelerated Averbakh Variation
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:53] } 1... Nf6 { [%eval 0.19] [%clk 1:00:54] } 2. c4 { [%eval 0.18] [%clk 1:01:19] } 2... g6 { [%eval 0.28] [%clk 1:01:19] } 3. Nc3 { [%eval 0.18] [%clk 1:01:44] } 3... Bg7 { [%eval 0.51] [%clk 1:01:39] } 4. e4 { [%eval 0.4] [%clk 1:02:04] } 4... d6 { [%eval 0.55] [%clk 1:02:03] } 5. Bg5 { [%eval 0.21] [%clk 1:02:26] } 5... h6 { [%eval 0.21] [%clk 1:01:51] } 6. Be3 { [%eval 0.0] [%clk 1:02:45] } 6... O-O?! { [%eval 0.59] } { Inaccuracy. Ng4 was best. } { [%clk 1:01:30] } 7. Be2 { [%eval 0.4] [%clk 1:03:10] } 7... Nbd7 { [%eval 0.61] [%clk 1:01:23] } 8. g4 { [%eval 0.63] [%clk 1:03:34] } 8... e5 { [%eval 0.68] [%clk 0:59:01] } 9. d5 { [%eval 0.73] [%clk 1:03:58] } 9... Nc5 { [%eval 0.78] [%clk 0:53:48] } 10. f3 { [%eval 0.89] [%clk 1:04:16] } 10... h5 { [%eval 0.88] [%clk 0:48:52] } 11. gxh5? { [%eval -0.52] } { Mistake. g5 was best. } { [%clk 1:03:04] } 11... Nxh5 { [%eval -0.43] [%clk 0:48:37] } 12. Qd2 { [%eval -0.4] [%clk 1:03:17] } 12... f5 { [%eval 0.0] [%clk 0:43:53] } 13. exf5?? { [%eval -1.77] } { Blunder. O-O-O was best. } { [%clk 0:58:41] } 13... Bxf5 { [%eval -1.66] [%clk 0:41:00] } 14. O-O-O { [%eval -2.01] [%clk 0:58:26] } 14... a6?? { [%eval 0.0] } { Blunder. Nf4 was best. } { [%clk 0:30:51] } 15. b4? { [%eval -1.65] } { Mistake. Bxc5 was best. } { [%clk 0:49:30] } 15... Nd7 { [%eval -1.68] [%clk 0:29:54] } 16. Ne4 { [%eval -1.51] [%clk 0:47:50] } 16... b5 { [%eval -1.74] [%clk 0:21:34] } 17. cxb5 { [%eval -2.09] [%clk 0:42:51] } 17... a5?? { [%eval 1.37] } { Blunder. axb5 was best. } { [%clk 0:19:24] } 18. bxa5 { [%eval 1.29] [%clk 0:41:27] } 18... Nf4 { [%eval 1.28] [%clk 0:16:26] } 19. a6 { [%eval 1.35] [%clk 0:38:54] } 19... Qb8 { [%eval 1.53] [%clk 0:13:54] } 20. a4?! { [%eval 0.46] } { Inaccuracy. Bf1 was best. } { [%clk 0:36:07] } 20... Nb6? { [%eval 1.92] } { Mistake. Bxe4 was best. } { [%clk 0:11:09] } 21. Qa2 { [%eval 1.89] [%clk 0:27:20] } 21... Bh6 { [%eval 1.62] [%clk 0:03:42] } 22. Bxf4 { [%eval 1.43] [%clk 0:26:17] } 22... exf4 { [%eval 1.18] [%clk 0:02:46] } 23. h4?? { [%eval -1.93] } { Blunder. Bd3 was best. } { [%clk 0:25:55] } 23... Qe8?? { [%eval 2.3] } { Blunder. Bxe4 was best. } { [%clk 0:02:26] } 24. Bd3 { [%eval 2.41] [%clk 0:22:19] } 24... Qe5 { [%eval 2.28] [%clk 0:02:14] } 25. Qb2 { [%eval 1.81] [%clk 0:20:44] } 25... Qxd5 { [%eval 1.83] [%clk 0:01:29] } 26. Bc2 { [%eval 1.91] [%clk 0:14:47] } 26... Qf7 { [%eval 1.71] [%clk 0:00:42] } 27. Ng5 { [%eval 1.4] [%clk 0:10:00] } 27... Qe7?? { [%eval 4.7] } { Blunder. Qc4 was best. } { [%clk 0:01:03] } 28. Qb3+?? { [%eval 0.02] } { Blunder. Bb3+ was best. } { [%clk 0:09:10] } 28... d5 { [%eval 0.01] [%clk 0:01:19] } 29. N1h3 { [%eval 0.01] [%clk 0:08:37] } 29... Bxc2?! { [%eval 0.87] } { Inaccuracy. Qc5 was best. } { [%clk 0:00:33] } 30. Qxc2?? { [%eval -1.91] } { Blunder. Kxc2 was best. } { [%clk 0:08:58] } 30... Qa3+ { [%eval -1.64] [%clk 0:00:39] } 31. Kb1?? { [%eval -7.0] } { Blunder. Qb2 was best. } { [%clk 0:06:40] } 31... Bg7 { [%eval -6.69] [%clk 0:00:43] } 32. Qa2 { [%eval -8.57] [%clk 0:06:22] } 32... Qb4+ { [%eval -8.06] [%clk 0:00:42] } 33. Kc1 { [%eval -8.27] [%clk 0:06:31] } 33... Qc3+ { [%eval -7.55] [%clk 0:00:41] } 34. Kb1 { [%eval -8.0] [%clk 0:06:14] } 34... Nc4 { [%eval -7.24] [%clk 0:00:38] } 35. Qe2? { [%eval #-3] } { Checkmate is now unavoidable. Ne6 was best. } { [%clk 0:04:31] } 35... Qa1+ { [%eval #-2] [%clk 0:00:39] } 36. Kc2 { [%eval #-2] [%clk 0:04:30] } 36... Qb2+ { [%eval #-1] [%clk 0:00:49] } 37. Kd3 { [%clk 0:04:13] } 37... Qb3# { [%clk 0:00:52] } 0-1