Event: Round 9: Becker, Rogerio Sperb - Mauron, Pierre
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-9/iVNZgkxe/FnhuGj6O
Date: 2025-10-30
White: Becker, Rogerio Sperb
WhiteElo: 2152
Black: Mauron, Pierre
BlackElo: 1983
Result: 1-0
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:53] } 1... c5 { [%eval 0.24] [%clk 1:30:19] } 2. Nf3 { [%eval 0.2] [%clk 1:31:16] } 2... d6 { [%eval 0.31] [%clk 1:30:37] } 3. Bb5+ { [%eval 0.14] [%clk 1:31:37] } 3... Nd7 { [%eval 0.12] [%clk 1:30:44] } 4. d4 { [%eval 0.09] [%clk 1:31:39] } 4... cxd4 { [%eval 0.11] [%clk 1:27:47] } 5. Nxd4 { [%eval 0.04] [%clk 1:31:58] } 5... a6 { [%eval 0.31] [%clk 1:27:47] } 6. Bd3 { [%eval 0.35] [%clk 1:32:11] } 6... Ngf6 { [%eval 0.35] [%clk 1:26:59] } 7. c4 { [%eval 0.32] [%clk 1:28:30] } 7... Nc5 { [%eval 0.48] [%clk 1:17:45] } 8. Nc3 { [%eval 0.38] [%clk 1:28:06] } 8... e5 { [%eval 0.7] [%clk 1:10:02] } 9. Nf5 { [%eval 0.54] [%clk 1:21:51] } 9... g6 { [%eval 0.5] [%clk 1:00:46] } 10. Ne3 { [%eval 0.47] [%clk 1:18:15] } 10... Be6 { [%eval 0.54] [%clk 0:57:54] } 11. Bc2 { [%eval 0.45] [%clk 1:13:44] } 11... Be7 { [%eval 0.84] [%clk 0:56:21] } 12. O-O { [%eval 1.0] [%clk 1:06:44] } 12... O-O { [%eval 0.9] [%clk 0:55:12] } 13. b4 { [%eval 0.52] [%clk 1:05:18] } 13... Ncd7 { [%eval 0.54] [%clk 0:55:10] } 14. Ned5 { [%eval 0.22] [%clk 1:04:57] } 14... Bxd5 { [%eval 0.23] [%clk 0:54:43] } 15. Nxd5 { [%eval 0.24] [%clk 1:03:36] } 15... Nxd5 { [%eval 0.22] [%clk 0:54:11] } 16. Qxd5 { [%eval 0.31] [%clk 1:03:18] } 16... Qc7 { [%eval 0.31] [%clk 0:53:12] } 17. Bb3 { [%eval 0.33] [%clk 1:02:19] } 17... Nf6 { [%eval 0.3] [%clk 0:46:36] } 18. Qd3 { [%eval 0.3] [%clk 1:01:51] } 18... Nh5 { [%eval 0.7] [%clk 0:42:00] } 19. Qf3 { [%eval 0.45] [%clk 0:58:27] } 19... Bf6?! { [%eval 1.56] } { Inaccuracy. a5 was best. } { [%clk 0:40:39] } 20. Be3 { [%eval 1.37] [%clk 0:57:44] } 20... Bg7?! { [%eval 2.4] } { Inaccuracy. Kg7 was best. } { [%clk 0:37:35] } 21. Rad1 { [%eval 1.78] [%clk 0:57:44] } 21... b6 { [%eval 1.79] [%clk 0:33:15] } 22. Rd3 { [%eval 1.21] [%clk 0:55:11] } 22... Kh8? { [%eval 3.11] } { Mistake. Nf4 was best. } { [%clk 0:30:49] } 23. Rfd1 { [%eval 3.15] [%clk 0:47:44] } 23... Rad8 { [%eval 3.78] [%clk 0:29:50] } 24. g3 { [%eval 3.2] [%clk 0:46:20] } 24... f6 { [%eval 3.73] [%clk 0:19:58] } 25. R1d2 { [%eval 3.57] [%clk 0:37:35] } 25... Qc6?! { [%eval 4.96] } { Inaccuracy. f5 was best. } { [%clk 0:17:36] } 26. c5 { [%eval 4.8] [%clk 0:36:24] } 26... bxc5 { [%eval 4.79] [%clk 0:16:50] } 27. bxc5 { [%eval 4.77] [%clk 0:36:46] } 27... f5 { [%eval 5.02] [%clk 0:17:08] } 28. Rxd6 { [%eval 5.3] [%clk 0:36:52] } 28... Rxd6 { [%eval 5.17] [%clk 0:17:22] } 29. Rxd6 { [%eval 4.93] [%clk 0:36:17] } 29... Qb7 { [%eval 5.45] [%clk 0:13:44] } 30. Rb6 { [%eval 5.42] [%clk 0:35:46] } 30... Qe7 { [%eval 5.69] [%clk 0:12:32] } 31. Re6 { [%eval 5.36] [%clk 0:31:42] } 31... Qd8 { [%eval 5.48] [%clk 0:10:39] } 32. exf5 { [%eval 5.76] [%clk 0:31:42] } 32... Qd3 { [%eval 5.77] [%clk 0:09:16] } 33. Rd6 { [%eval 6.13] [%clk 0:30:42] } 33... Qc3 { [%eval 6.36] [%clk 0:08:56] } 34. Qd1 { [%eval 6.06] [%clk 0:29:06] } 34... Bf6 { [%eval 6.8] [%clk 0:05:06] } 35. fxg6 { [%eval 6.49] [%clk 0:28:31] } 35... hxg6 { [%eval 7.02] [%clk 0:05:07] } 36. Qg4 { [%eval 6.86] [%clk 0:27:02] } 36... Kh7 { [%eval 7.95] [%clk 0:04:47] } 37. Rd7+ { [%eval 7.94] [%clk 0:27:08] } 37... Bg7 { [%eval 7.78] [%clk 0:04:47] } 38. Qg5 { [%eval 7.79] [%clk 0:27:10] } 38... Qe1+ { [%eval 7.48] [%clk 0:03:05] } 39. Kg2 { [%eval 6.95] [%clk 0:27:38] } 39... Nf4+?? { [%eval #7] } { Checkmate is now unavoidable. Rxf2+ was best. } { [%clk 0:00:54] } 40. gxf4 { [%eval #6] [%clk 0:27:36] } 1-0