Event: Biel Chess Festival 2025
Date: 2025-07-15
White: Cloete, Willem Francois
WhiteElo: 1567
Black: Perego, Jonas Gion
BlackElo: 1792
Result: 0-1
ECO: B07
Opening: Czech Defense
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:31:00] } 1... d6 { [%eval 0.43] [%clk 1:30:46] } 2. d4 { [%eval 0.43] [%clk 1:31:19] } 2... Nf6 { [%eval 0.43] [%clk 1:31:11] } 3. Nc3 { [%eval 0.38] [%clk 1:31:39] } 3... c6 { [%eval 0.83] [%clk 1:31:36] } 4. f4 { [%eval 0.76] [%clk 1:31:42] } 4... Qa5 { [%eval 0.84] [%clk 1:32:01] } 5. Bd2 { [%eval 0.41] [%clk 1:31:12] } 5... e5 { [%eval 0.57] [%clk 1:31:45] } 6. fxe5 { [%eval 0.52] [%clk 1:30:27] } 6... dxe5 { [%eval 0.53] [%clk 1:32:09] } 7. dxe5 { [%eval 0.27] [%clk 1:29:02] } 7... Qxe5?! { [%eval 0.93] } { Inaccuracy. Ng4 was best. } { [%clk 1:32:31] } 8. Nf3 { [%eval 1.14] [%clk 1:28:40] } 8... Qc7 { [%eval 1.28] [%clk 1:30:03] } 9. Bc4?! { [%eval 0.18] } { Inaccuracy. e5 was best. } { [%clk 1:25:47] } 9... Bc5? { [%eval 1.72] } { Mistake. Nbd7 was best. } { [%clk 1:29:10] } 10. Qe2 { [%eval 1.94] [%clk 1:23:29] } 10... b5?! { [%eval 2.96] } { Inaccuracy. O-O was best. } { [%clk 1:24:26] } 11. Bb3?? { [%eval 0.18] } { Blunder. e5 was best. } { [%clk 1:21:07] } 11... O-O?? { [%eval 2.19] } { Blunder. Ba6 was best. } { [%clk 1:24:09] } 12. O-O-O?! { [%eval 1.52] } { Inaccuracy. e5 was best. } { [%clk 1:20:04] } 12... a5 { [%eval 1.78] [%clk 1:21:40] } 13. a3?? { [%eval -0.05] } { Blunder. e5 was best. } { [%clk 1:16:00] } 13... Ba6?! { [%eval 0.61] } { Inaccuracy. b4 was best. } { [%clk 1:21:00] } 14. e5 { [%eval 0.85] [%clk 1:11:55] } 14... b4 { [%eval 0.73] [%clk 1:16:17] } 15. Qe1 { [%eval 0.57] [%clk 1:09:39] } 15... bxc3 { [%eval 0.16] [%clk 1:15:21] } 16. Bxc3? { [%eval -0.99] } { Mistake. exf6 was best. } { [%clk 1:05:18] } 16... Ng4?? { [%eval 2.97] } { Blunder. Nd5 was best. } { [%clk 1:14:16] } 17. Qh4 { [%eval 2.94] [%clk 1:01:29] } 17... Nf2 { [%eval 3.43] [%clk 1:06:29] } 18. Ng5?? { [%eval -0.17] } { Blunder. e6 was best. } { [%clk 0:57:59] } 18... Be3+ { [%eval -0.33] [%clk 1:05:06] } 19. Bd2?? { [%eval -2.66] } { Blunder. Kb1 was best. } { [%clk 0:57:02] } 19... Bxg5 { [%eval -2.85] [%clk 1:05:12] } 20. Bxg5 { [%eval -2.95] [%clk 0:56:42] } 20... Nxh1?? { [%eval 0.43] } { Blunder. Nxd1 was best. } { [%clk 1:03:50] } 21. e6?! { [%eval -0.45] } { Inaccuracy. Bf6 was best. } { [%clk 0:54:32] } 21... fxe6?? { [%eval 4.03] } { Blunder. a4 was best. } { [%clk 1:03:10] } 22. Bxe6+ { [%eval 3.95] [%clk 0:54:44] } 22... Kh8 { [%eval 3.9] [%clk 1:03:26] } 23. Bf5?? { [%eval -5.1] } { Blunder. Bf4 was best. } { [%clk 0:53:24] } 23... Rxf5 { [%eval -5.2] [%clk 0:59:30] } 24. Rd8+ { [%eval -6.15] [%clk 0:53:34] } 24... Qxd8 { [%eval -6.05] [%clk 0:59:57] } 25. Bxd8 { [%eval -5.9] [%clk 0:53:50] } 25... Rf8 { [%eval -5.12] [%clk 0:54:40] } 26. Qe7?! { [%eval -6.75] } { Inaccuracy. b3 was best. } { [%clk 0:44:31] } 26... Nd7 { [%eval -6.33] [%clk 0:53:05] } 27. Bxa5 { [%eval -6.62] [%clk 0:44:07] } 27... Nf6 { [%eval -5.43] [%clk 0:48:45] } 28. b3 { [%eval -5.45] [%clk 0:41:25] } 28... Rae8 { [%eval -4.75] [%clk 0:44:22] } 29. Qc5 { [%eval -4.92] [%clk 0:39:52] } 29... Bb5 { [%eval -4.8] [%clk 0:32:35] } 30. c4 { [%eval -4.79] [%clk 0:35:17] } 30... Ne4 { [%eval -5.13] [%clk 0:31:34] } 31. Qb6 { [%eval -5.33] [%clk 0:33:47] } 31... Nhf2 { [%eval -5.59] [%clk 0:20:18] } 32. Kc2 { [%eval -5.37] [%clk 0:31:46] } 32... Rb8 { [%eval -5.24] [%clk 0:19:45] } 33. Qd4 { [%eval -6.54] [%clk 0:29:35] } 33... c5 { [%eval -6.77] [%clk 0:18:38] } 34. Qd5 { [%eval -6.96] [%clk 0:24:38] } 34... Ra8 { [%eval -5.6] [%clk 0:16:34] } 35. Be1 { [%eval -5.68] [%clk 0:24:38] } 35... Rfd8 { [%eval -6.12] [%clk 0:15:30] } 36. Qb7 { [%eval -7.38] [%clk 0:20:54] } 36... Be8 { [%eval -7.15] [%clk 0:15:07] } 37. Qe7 { [%eval -8.18] [%clk 0:19:17] } 37... Bg6 { [%eval -8.1] [%clk 0:15:17] } 38. Bc3 { [%clk 0:16:23] } 38... Nxc3+ { [%clk 0:15:25] } 39. Kxc3 { [%clk 0:16:39] } 0-1