Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-22
White: Bachvarov, Viktor
WhiteElo: 1631
Black: Pan, Haoquan
BlackElo: 1496
Result: 0-1
ECO: B35
Opening: Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Variant: Standard
TimeControl: 60' + 30'' / move

1. e4 { [%eval 0.18] [%clk 1:00:58] } 1... c5 { [%eval 0.25] [%clk 1:00:56] } 2. Nf3 { [%eval 0.2] [%clk 1:01:24] } 2... Nc6 { [%eval 0.3] [%clk 1:01:19] } 3. d4 { [%eval 0.27] [%clk 1:01:49] } 3... cxd4 { [%eval 0.27] [%clk 1:01:42] } 4. Nxd4 { [%eval 0.21] [%clk 1:02:13] } 4... g6 { [%eval 0.35] [%clk 1:02:02] } 5. Nc3 { [%eval 0.27] [%clk 1:02:29] } 5... Bg7 { [%eval 0.24] [%clk 1:02:22] } 6. Be3 { [%eval 0.16] [%clk 1:02:41] } 6... Nf6 { [%eval 0.26] [%clk 1:02:40] } 7. Bc4 { [%eval 0.21] [%clk 1:02:55] } 7... O-O { [%eval 0.2] [%clk 1:03:01] } 8. f3 { [%eval -0.2] [%clk 1:02:22] } 8... Qb6 { [%eval -0.19] [%clk 1:01:53] } 9. Bb3 { [%eval -0.2] [%clk 0:49:15] } 9... Nxe4 { [%eval -0.2] [%clk 0:48:19] } 10. Nf5? { [%eval -1.65] } { Mistake. Nd5 was best. } { [%clk 0:48:11] } 10... Nxc3 { [%eval -1.9] [%clk 1:02:15] } 11. Bxb6?? { [%eval -5.04] } { Blunder. Qd2 was best. } { [%clk 0:47:26] } 11... Nxd1 { [%eval -4.98] [%clk 0:46:33] } 12. Rxd1 { [%eval -5.08] [%clk 0:47:47] } 12... axb6 { [%eval -5.02] [%clk 0:46:50] } 13. Nxg7 { [%eval -5.11] [%clk 0:47:44] } 13... Kxg7 { [%eval -5.04] [%clk 1:03:20] } 14. O-O { [%eval -5.25] [%clk 0:48:05] } 14... d6 { [%eval -5.28] [%clk 1:03:30] } 15. Rfe1 { [%eval -5.39] [%clk 0:48:10] } 15... Re8 { [%eval -4.97] [%clk 1:03:23] } 16. Rxd6 { [%eval -4.82] [%clk 0:48:00] } 16... Be6 { [%eval -4.94] [%clk 1:03:43] } 17. Rd3 { [%eval -5.02] [%clk 0:47:51] } 17... Bxb3 { [%eval -4.77] [%clk 1:02:02] } 18. Rxb3 { [%eval -4.81] [%clk 0:47:28] } 18... Rxa2 { [%eval -4.79] [%clk 1:02:10] } 19. Rxb6 { [%eval -4.84] [%clk 0:47:44] } 19... Ra7 { [%eval -4.95] [%clk 1:02:05] } 20. b4 { [%eval -5.07] [%clk 0:47:22] } 20... e6 { [%eval -4.57] [%clk 1:02:36] } 21. b5 { [%eval -5.2] [%clk 0:46:48] } 21... Nd4 { [%eval -5.19] [%clk 1:02:02] } 22. c3 { [%eval -5.24] [%clk 0:47:28] } 22... Nf5 { [%eval -5.44] [%clk 1:01:40] } 23. g4 { [%eval -5.81] [%clk 0:47:24] } 23... Ne7 { [%eval -4.64] [%clk 1:00:55] } 24. c4?! { [%eval -6.64] } { Inaccuracy. Rd6 was best. } { [%clk 0:47:28] } 24... Nc8 { [%eval -6.63] [%clk 0:59:50] } 25. Rxb7 { [%eval -6.82] [%clk 0:47:37] } 25... Rxb7 { [%eval -6.59] [%clk 1:00:25] } 26. Kf2 { [%eval -7.07] [%clk 0:47:59] } 26... Nd6 { [%eval -6.93] [%clk 1:00:54] } 27. Rc1 { [%eval -7.34] [%clk 0:48:25] } 27... Nxc4 { [%eval -6.74] [%clk 1:00:57] } 28. Rxc4 { [%eval -6.74] [%clk 0:48:48] } 28... Rxb5 { [%eval -6.7] [%clk 1:01:23] } 29. Kg3 { [%eval -6.58] [%clk 0:49:14] } 29... Rd8 { [%eval -6.36] [%clk 1:01:38] } 30. f4?? { [%eval #-9] } { Checkmate is now unavoidable. Rc3 was best. } { [%clk 0:48:39] } 30... Rd3+ { [%eval #-8] [%clk 1:01:35] } 31. Kh4 { [%eval #-5] [%clk 0:48:38] } 31... Rbb3 { [%eval #-5] [%clk 1:01:49] } 32. f5 { [%eval #-4] [%clk 0:48:29] } 32... Rh3+ { [%eval #-3] [%clk 1:02:09] } 33. Kg5 { [%eval #-3] [%clk 0:48:51] } 33... Rbf3 { [%eval #-2] [%clk 1:01:59] } 34. f6+ { [%eval #-2] [%clk 0:48:00] } 34... Rxf6 { [%eval #-1] [%clk 1:02:21] } 35. Rc7 { [%clk 0:47:36] } 35... h6# { [%clk 1:02:22] } 0-1