Event: Round 7: Perossa, Nicolas - Federer, Colin
Date: 2025-05-01
White: Perossa, Nicolas
WhiteTitle: FM
WhiteElo: 2262
Black: Federer, Colin
BlackElo: 2134
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:14] } 1... c5 { [%eval 0.25] [%clk 1:30:58] } 2. Nf3 { [%eval 0.2] [%clk 1:30:33] } 2... d6 { [%eval 0.31] [%clk 1:31:22] } 3. d4 { [%eval 0.22] [%clk 1:30:57] } 3... cxd4 { [%eval 0.19] [%clk 1:31:48] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:04] } 4... Nf6 { [%eval 0.25] [%clk 1:32:14] } 5. Nc3 { [%eval 0.32] [%clk 1:31:30] } 5... a6 { [%eval 0.23] [%clk 1:32:40] } 6. Bd3 { [%eval 0.18] [%clk 1:31:56] } 6... g6 { [%eval 0.2] [%clk 1:32:46] } 7. f3 { [%eval 0.29] [%clk 1:32:20] } 7... Nc6 { [%eval 0.18] [%clk 1:32:42] } 8. Nxc6 { [%eval 0.27] [%clk 1:32:26] } 8... bxc6 { [%eval 0.29] [%clk 1:33:06] } 9. b3 { [%eval 0.26] [%clk 1:32:51] } 9... Bg7 { [%eval 0.29] [%clk 1:31:31] } 10. Bb2 { [%eval 0.21] [%clk 1:33:17] } 10... O-O { [%eval 0.27] [%clk 1:29:39] } 11. Na4 { [%eval -0.12] [%clk 1:31:48] } 11... Qc7 { [%eval 0.23] [%clk 1:22:57] } 12. Qd2 { [%eval 0.28] [%clk 1:31:03] } 12... e5 { [%eval 0.22] [%clk 1:20:17] } 13. O-O-O { [%eval 0.16] [%clk 1:29:58] } 13... d5 { [%eval 0.16] [%clk 1:19:02] } 14. Rhe1 { [%eval 0.0] [%clk 1:16:12] } 14... d4 { [%eval -0.02] [%clk 1:16:03] } 15. Ba3 { [%eval 0.0] [%clk 1:00:33] } 15... Rd8 { [%eval -0.02] [%clk 1:15:10] } 16. c4 { [%eval -0.53] [%clk 0:55:56] } 16... Nd7 { [%eval -0.42] [%clk 1:08:48] } 17. c5 { [%eval -0.43] [%clk 0:55:51] } 17... a5 { [%eval -0.44] [%clk 1:07:02] } 18. Kb1 { [%eval -0.53] [%clk 0:46:45] } 18... Ba6 { [%eval -0.18] [%clk 1:02:57] } 19. Bxa6 { [%eval -0.35] [%clk 0:46:47] } 19... Rxa6 { [%eval -0.25] [%clk 1:03:24] } 20. Rc1 { [%eval -0.37] [%clk 0:41:42] } 20... Nf8 { [%eval -0.51] [%clk 1:00:27] } 21. Qd3 { [%eval -0.73] [%clk 0:34:25] } 21... Qb7 { [%eval -0.56] [%clk 0:57:20] } 22. Rc4 { [%eval -0.59] [%clk 0:34:26] } 22... Ne6 { [%eval -0.41] [%clk 0:54:20] } 23. g3 { [%eval -0.65] [%clk 0:29:58] } 23... Qb5 { [%eval -0.27] [%clk 0:46:13] } 24. Rf1 { [%eval -0.27] [%clk 0:28:37] } 24... Bh6 { [%eval -0.3] [%clk 0:43:41] } 25. Bc1 { [%eval -0.35] [%clk 0:21:43] } 25... Bf8?! { [%eval 0.2] } { Inaccuracy. Bxc1 was best. } { [%clk 0:43:46] } 26. Ba3?! { [%eval -0.37] } { Inaccuracy. f4 was best. } { [%clk 0:15:53] } 26... Bh6 { [%eval -0.24] [%clk 0:41:37] } 27. f4 { [%eval -0.24] [%clk 0:16:13] } 27... exf4 { [%eval -0.48] [%clk 0:39:22] } 28. Bc1 { [%eval -0.34] [%clk 0:16:26] } 28... Bf8? { [%eval 1.11] } { Mistake. Qb8 was best. } { [%clk 0:38:29] } 29. gxf4 { [%eval 1.41] [%clk 0:16:23] } 29... Nxc5?? { [%eval 4.32] } { Blunder. Ra7 was best. } { [%clk 0:35:36] } 30. Nxc5 { [%eval 3.95] [%clk 0:16:41] } 30... Bxc5 { [%eval 3.97] [%clk 0:36:01] } 31. a4 { [%eval 4.02] [%clk 0:16:16] } 31... Qb6 { [%eval 4.09] [%clk 0:36:17] } 32. Rxc5 { [%eval 3.97] [%clk 0:16:36] } 32... Qxc5 { [%eval 4.0] [%clk 0:36:39] } 33. Qxa6 { [%eval 3.77] [%clk 0:17:01] } 33... d3 { [%eval 3.95] [%clk 0:36:43] } 34. Bb2 { [%eval 4.04] [%clk 0:16:46] } 34... Qc2+ { [%eval 3.99] [%clk 0:23:47] } 35. Ka2 { [%eval 3.89] [%clk 0:17:08] } 35... d2 { [%eval 3.82] [%clk 0:19:56] } 36. Qxa5 { [%eval 3.83] [%clk 0:17:02] } 36... Rd4 { [%eval 4.05] [%clk 0:16:57] } 37. Ka3 { [%eval 3.26] [%clk 0:08:47] } 37... c5? { [%eval 6.03] } { Mistake. d1=Q was best. } { [%clk 0:15:12] } 38. Bxd4 { [%eval 5.95] [%clk 0:08:29] } 38... cxd4 { [%eval 5.94] [%clk 0:15:14] } 39. Qd8+ { [%eval 5.88] [%clk 0:08:47] } 39... Kg7 { [%eval 5.46] [%clk 0:15:40] } 40. Qxd4+ { [%eval 5.61] [%clk 0:09:12] } 40... Kh6 { [%eval 5.95] [%clk 0:15:31] } 41. Ra1 { [%eval 5.66] [%clk 0:07:07] } 1-0