Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-21
White: Thorens, Johan
WhiteElo: 1657
Black: Casner, Didier
Result: 1-0
ECO: A37
Opening: English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
Variant: Standard
TimeControl: 60' + 30'' / move

1. c4 { [%eval 0.12] [%clk 1:00:57] } 1... c5 { [%eval 0.19] [%clk 1:00:33] } 2. Nc3 { [%eval 0.12] [%clk 1:01:20] } 2... Nc6 { [%eval 0.29] [%clk 1:00:43] } 3. g3 { [%eval 0.12] [%clk 1:01:44] } 3... g6 { [%eval 0.09] [%clk 1:00:32] } 4. Bg2 { [%eval 0.11] [%clk 1:02:06] } 4... Bg7 { [%eval 0.14] [%clk 0:59:50] } 5. Nf3 { [%eval 0.06] [%clk 1:01:52] } 5... e6 { [%eval 0.1] [%clk 0:58:26] } 6. e4 { [%eval -0.12] [%clk 1:00:59] } 6... Nge7 { [%eval -0.12] [%clk 0:58:16] } 7. O-O { [%eval -0.09] [%clk 0:56:06] } 7... O-O { [%eval -0.08] [%clk 0:55:01] } 8. d3 { [%eval -0.17] [%clk 0:54:54] } 8... a6 { [%eval -0.02] [%clk 0:53:48] } 9. Re1 { [%eval -0.43] [%clk 0:47:20] } 9... d5?! { [%eval 0.38] } { Inaccuracy. d6 was best. } { [%clk 0:52:48] } 10. cxd5 { [%eval 0.38] [%clk 0:43:33] } 10... exd5 { [%eval 0.2] [%clk 0:53:03] } 11. exd5 { [%eval 0.21] [%clk 0:39:29] } 11... Nxd5 { [%eval 0.16] [%clk 0:52:43] } 12. Nxd5 { [%eval 0.16] [%clk 0:38:23] } 12... Qxd5 { [%eval 0.17] [%clk 0:52:48] } 13. Ne5 { [%eval 0.26] [%clk 0:37:33] } 13... Qd6?! { [%eval 0.95] } { Inaccuracy. Qd8 was best. } { [%clk 0:51:38] } 14. Nxc6 { [%eval 1.05] [%clk 0:37:32] } 14... bxc6 { [%eval 1.08] [%clk 0:51:35] } 15. Bf4 { [%eval 1.07] [%clk 0:37:34] } 15... Qd7 { [%eval 1.29] [%clk 0:49:58] } 16. Qc2 { [%eval 0.77] [%clk 0:31:58] } 16... Bd4 { [%eval 0.77] [%clk 0:49:13] } 17. Be3 { [%eval 0.48] [%clk 0:30:29] } 17... Bb7? { [%eval 1.88] } { Mistake. Rb8 was best. } { [%clk 0:47:42] } 18. Bxd4 { [%eval 1.62] [%clk 0:30:38] } 18... cxd4 { [%eval 1.72] [%clk 0:47:43] } 19. Re2?! { [%eval 0.85] } { Inaccuracy. Qc5 was best. } { [%clk 0:29:49] } 19... Rfe8?! { [%eval 1.67] } { Inaccuracy. Rae8 was best. } { [%clk 0:47:15] } 20. Rae1 { [%eval 1.38] [%clk 0:28:04] } 20... Rxe2 { [%eval 1.35] [%clk 0:46:48] } 21. Qxe2? { [%eval 0.16] } { Mistake. Rxe2 was best. } { [%clk 0:28:01] } 21... a5 { [%eval 0.37] [%clk 0:42:32] } 22. Qe7 { [%eval 0.03] [%clk 0:25:35] } 22... Qc8?? { [%eval 2.85] } { Blunder. Qxe7 was best. } { [%clk 0:39:15] } 23. Qc5 { [%eval 2.29] [%clk 0:22:58] } 23... a4?! { [%eval 3.47] } { Inaccuracy. Qf8 was best. } { [%clk 0:34:52] } 24. Qxd4?? { [%eval 0.62] } { Blunder. Re7 was best. } { [%clk 0:20:49] } 24... c5 { [%eval 0.76] [%clk 0:34:57] } 25. Qf6 { [%eval 0.8] [%clk 0:16:43] } 25... Bxg2 { [%eval 0.92] [%clk 0:34:59] } 26. Kxg2 { [%eval 0.9] [%clk 0:16:44] } 26... Ra6? { [%eval 2.6] } { Mistake. Qb7+ was best. } { [%clk 0:33:26] } 27. Re8+ { [%eval 2.72] [%clk 0:14:33] } 27... Qxe8 { [%eval 2.57] [%clk 0:33:04] } 28. Qxa6 { [%eval 2.59] [%clk 0:14:56] } 28... Kg7 { [%eval 2.58] [%clk 0:29:16] } 29. Qb6?? { [%eval 0.0] } { Blunder. Qc4 was best. } { [%clk 0:12:32] } 29... Qe5?? { [%eval 2.14] } { Blunder. Qa8+ was best. } { [%clk 0:27:48] } 30. Qb5?? { [%eval 0.0] } { Blunder. Qc6 was best. } { [%clk 0:11:17] } 30... Qd5+ { [%eval 0.0] [%clk 0:27:30] } 31. Kf1 { [%eval 0.0] [%clk 0:09:23] } 31... Qh1+?? { [%eval 2.61] } { Blunder. Qxa2 was best. } { [%clk 0:27:29] } 32. Ke2 { [%eval 2.79] [%clk 0:09:36] } 32... Qb1 { [%eval 2.79] [%clk 0:26:28] } 33. Qxa4 { [%eval 2.6] [%clk 0:08:29] } 33... Qxb2+ { [%eval 2.14] [%clk 0:26:35] } 34. Ke3 { [%eval 2.36] [%clk 0:06:36] } 34... Qc1+ { [%eval 2.76] [%clk 0:24:54] } 35. Kf3?? { [%eval 0.17] } { Blunder. Ke2 was best. } { [%clk 0:05:47] } 35... Qc3?? { [%eval 3.19] } { Blunder. Qh1+ was best. } { [%clk 0:24:30] } 36. Qc4 { [%eval 3.04] [%clk 0:05:37] } 36... Qf6+ { [%eval 3.64] [%clk 0:23:53] } 37. Kg2 { [%eval 3.48] [%clk 0:04:52] } 37... Qd6 { [%eval 3.84] [%clk 0:22:17] } 38. a4 { [%eval 3.79] [%clk 0:04:59] } 38... Qc6+ { [%eval 3.49] [%clk 0:21:22] } 39. Qe4 { [%eval 3.27] [%clk 0:04:37] } 39... Qd6?! { [%eval 4.86] } { Inaccuracy. Qc7 was best. } { [%clk 0:20:51] } 40. a5 { [%eval 5.07] [%clk 0:04:34] } 40... f5?! { [%eval 8.12] } { Inaccuracy. Qa6 was best. } { [%clk 0:20:42] } 41. Qb7+ { [%eval 7.79] [%clk 0:04:29] } 41... Kh6 { [%eval 10.53] [%clk 0:20:28] } 42. a6 { [%eval 8.79] [%clk 0:04:35] } 42... f4? { [%eval #13] } { Checkmate is now unavoidable. c4 was best. } { [%clk 0:17:29] } 43. a7 { [%eval #12] [%clk 0:04:31] } 43... f3+ { [%eval #12] [%clk 0:17:45] } 44. Qxf3 { [%eval #12] [%clk 0:04:33] } 44... c4 { [%eval #7] [%clk 0:11:50] } 45. a8=Q { [%eval #6] [%clk 0:03:46] } 45... cxd3 { [%eval #5] [%clk 0:12:02] } 46. Qaf8+ { [%eval #5] [%clk 0:04:03] } 46... Qxf8 { [%eval #5] [%clk 0:11:17] } 47. Qxf8+ { [%eval #4] [%clk 0:04:26] } 47... Kh5 { [%eval #4] [%clk 0:10:56] } 48. Qf3+ { [%eval #5] [%clk 0:04:31] } 48... Kg5 { [%eval #2] [%clk 0:09:46] } 49. Qxd3 { [%eval #12] [%clk 0:04:45] } 49... Kh5 { [%eval #3] [%clk 0:08:09] } 50. f4 { [%eval #4] [%clk 0:04:45] } 50... g5 { [%eval #2] [%clk 0:05:23] } 51. Qxh7+ { [%eval #1] [%clk 0:04:48] } 1-0