Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-24
White: Bachvarov, Viktor
WhiteElo: 1631
Black: Beitz, Toralf
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard
TimeControl: 60' + 30'' / move

1. e4 { [%eval 0.18] [%clk 1:00:53] } 1... c5 { [%eval 0.25] [%clk 1:00:57] } 2. Nf3 { [%eval 0.2] [%clk 1:01:17] } 2... e6 { [%eval 0.28] [%clk 1:01:23] } 3. d4 { [%eval 0.4] [%clk 1:01:40] } 3... cxd4 { [%eval 0.29] [%clk 1:01:41] } 4. Nxd4 { [%eval 0.23] [%clk 1:02:04] } 4... a6 { [%eval 0.42] [%clk 1:01:59] } 5. Nc3 { [%eval 0.35] [%clk 1:02:31] } 5... Qc7 { [%eval 0.44] [%clk 1:02:11] } 6. Bd3 { [%eval 0.26] [%clk 1:02:49] } 6... Nf6 { [%eval 0.25] [%clk 1:01:57] } 7. f4 { [%eval 0.28] [%clk 1:03:08] } 7... d6 { [%eval 0.54] [%clk 1:01:11] } 8. Qf3 { [%eval 0.61] [%clk 1:02:59] } 8... Be7 { [%eval 0.8] [%clk 0:59:16] } 9. g4 { [%eval 0.79] [%clk 1:01:53] } 9... Nc6 { [%eval 0.82] [%clk 0:53:57] } 10. Nxc6 { [%eval 0.78] [%clk 0:53:19] } 10... Qxc6 { [%eval 0.74] [%clk 0:53:47] } 11. g5 { [%eval 0.76] [%clk 0:51:16] } 11... Nd7 { [%eval 0.66] [%clk 0:53:58] } 12. Be3 { [%eval 0.75] [%clk 0:48:44] } 12... b5 { [%eval 0.59] [%clk 0:51:49] } 13. Rf1 { [%eval 0.46] [%clk 0:42:36] } 13... Bb7 { [%eval 0.87] [%clk 0:50:28] } 14. Ne2 { [%eval 0.5] [%clk 0:36:00] } 14... Qc7 { [%eval 0.59] [%clk 0:38:22] } 15. h4?! { [%eval -0.06] } { Inaccuracy. Qh3 was best. } { [%clk 0:30:48] } 15... O-O-O?! { [%eval 0.55] } { Inaccuracy. Nc5 was best. } { [%clk 0:24:10] } 16. O-O-O { [%eval 0.52] [%clk 0:25:29] } 16... Kb8 { [%eval 0.71] [%clk 0:21:39] } 17. Kb1 { [%eval 0.57] [%clk 0:22:47] } 17... d5 { [%eval 0.6] [%clk 0:20:37] } 18. exd5 { [%eval 0.42] [%clk 0:18:34] } 18... Bxd5 { [%eval 0.71] [%clk 0:20:50] } 19. Be4 { [%eval 0.75] [%clk 0:18:14] } 19... Bxe4 { [%eval 0.65] [%clk 0:19:06] } 20. Qxe4 { [%eval 0.6] [%clk 0:18:23] } 20... Qb7 { [%eval 0.63] [%clk 0:14:40] } 21. Qxb7+ { [%eval 0.18] [%clk 0:17:06] } 21... Kxb7 { [%eval 0.24] [%clk 0:15:08] } 22. Bd4 { [%eval 0.16] [%clk 0:16:49] } 22... Rhg8 { [%eval 0.25] [%clk 0:14:37] } 23. Ng3 { [%eval 0.11] [%clk 0:15:19] } 23... g6 { [%eval 0.33] [%clk 0:13:33] } 24. Ne4 { [%eval 0.35] [%clk 0:14:15] } 24... Kc7 { [%eval 0.65] [%clk 0:13:42] } 25. Rd3 { [%eval 0.51] [%clk 0:13:23] } 25... Rc8 { [%eval 0.76] [%clk 0:12:25] } 26. Rfd1 { [%eval 0.74] [%clk 0:12:46] } 26... Rgd8 { [%eval 0.76] [%clk 0:12:43] } 27. Rc3+ { [%eval 0.25] [%clk 0:12:11] } 27... Kb7 { [%eval 0.3] [%clk 0:13:03] } 28. Rxc8 { [%eval 0.0] [%clk 0:12:07] } 28... Kxc8 { [%eval 0.01] [%clk 0:13:07] } 29. Rd3 { [%eval 0.0] [%clk 0:11:39] } 29... Kc7 { [%eval 0.24] [%clk 0:12:52] } 30. a3 { [%eval 0.0] [%clk 0:10:08] } 30... Kc8 { [%eval 0.17] [%clk 0:10:39] } 31. b4 { [%eval 0.0] [%clk 0:09:16] } 31... Kc7 { [%eval 0.01] [%clk 0:10:24] } 32. Kb2 { [%eval 0.0] [%clk 0:08:39] } 32... Kc6 { [%eval 0.09] [%clk 0:10:34] } 33. Kb3 { [%eval 0.0] [%clk 0:06:59] } 33... Nb6 { [%eval 0.0] [%clk 0:07:47] } 34. Bf6?? { [%eval -2.07] } { Blunder. Nf2 was best. } { [%clk 0:05:06] } 34... Rxd3+ { [%eval -1.92] [%clk 0:08:13] } 35. cxd3 { [%eval -1.97] [%clk 0:05:26] } 35... Bf8 { [%eval -1.68] [%clk 0:08:18] } 36. Nc3? { [%eval -3.74] } { Mistake. Be5 was best. } { [%clk 0:05:14] } 36... Nd5 { [%eval -3.77] [%clk 0:08:25] } 37. Be5 { [%eval -3.4] [%clk 0:04:58] } 37... Nxc3 { [%eval -3.86] [%clk 0:08:47] } 38. Kxc3 { [%eval -4.02] [%clk 0:05:15] } 38... Kd5 { [%eval -3.95] [%clk 0:08:57] } 39. Kd2 { [%eval -3.77] [%clk 0:04:24] } 39... Be7 { [%eval -3.65] [%clk 0:09:17] } 40. Ke3 { [%eval -4.15] [%clk 0:04:24] } 40... Bd8 { [%eval -3.79] [%clk 0:09:26] } 41. Kd2 { [%eval -4.72] [%clk 0:04:15] } 41... Bb6 { [%eval -4.25] [%clk 0:09:54] } 42. Kc3 { [%eval -5.28] [%clk 0:04:19] } 42... Bf2 { [%eval -5.62] [%clk 0:10:06] } 43. Bf6 { [%eval -5.63] [%clk 0:04:09] } 43... Bxh4 { [%eval -5.51] [%clk 0:10:14] } 44. Be5 { [%eval -5.88] [%clk 0:04:18] } 44... Bf2 { [%eval -5.34] [%clk 0:10:11] } 45. Bf6 { [%eval -5.6] [%clk 0:03:59] } 45... Bb6 { [%eval -5.36] [%clk 0:10:14] } 46. Bg7 { [%eval -6.15] [%clk 0:04:04] } 46... Bc7 { [%eval -5.96] [%clk 0:10:29] } 47. Bd4 { [%eval -6.34] [%clk 0:03:48] } 47... Bxf4 { [%eval -6.65] [%clk 0:10:26] } 48. Bf6 { [%eval -7.92] [%clk 0:04:13] } 48... Be5+ { [%eval -8.84] [%clk 0:10:32] } 49. Bxe5 { [%eval -8.7] [%clk 0:04:31] } 49... Kxe5 { [%eval -8.65] [%clk 0:10:50] } 50. Kb3 { [%eval -8.85] [%clk 0:04:32] } 50... f6 { [%eval -8.42] [%clk 0:11:04] } 51. d4+ { [%eval -8.49] [%clk 0:04:49] } 51... Kf5 { [%eval -7.79] [%clk 0:11:20] } 52. a4? { [%eval #-19] } { Checkmate is now unavoidable. gxf6 was best. } { [%clk 0:04:41] } 52... fxg5 { [%eval #-20] [%clk 0:10:56] } 53. axb5 { [%eval #-15] [%clk 0:05:22] } 53... axb5 { [%eval #-17] [%clk 0:11:24] } 54. d5 { [%eval #-14] [%clk 0:05:40] } 54... exd5 { [%eval #-13] [%clk 0:11:46] } 0-1