Event: Round 1: Becker, Rogerio Sperb - Riga, Raffaele
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-1/eOeXvkzD/6aUi2yvf
Date: 2025-10-21
White: Becker, Rogerio Sperb
WhiteElo: 2152
Black: Riga, Raffaele
BlackElo: 1801
Result: 1-0
ECO: A15
Opening: English Opening: Anglo-Indian Defense
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:55] } 1... Nf6 { [%eval 0.14] [%clk 1:30:52] } 2. g3 { [%eval 0.11] [%clk 1:31:19] } 2... e5 { [%eval 0.15] [%clk 1:29:02] } 3. Bg2 { [%eval 0.1] [%clk 1:29:34] } 3... d6 { [%eval 0.39] [%clk 1:27:30] } 4. Nc3 { [%eval 0.29] [%clk 1:29:05] } 4... Be7 { [%eval 0.38] [%clk 1:26:49] } 5. Nf3 { [%eval 0.27] [%clk 1:29:11] } 5... O-O { [%eval 0.55] [%clk 1:27:07] } 6. O-O { [%eval 0.31] [%clk 1:29:15] } 6... Be6 { [%eval 0.59] [%clk 1:26:00] } 7. b3 { [%eval 0.66] [%clk 1:28:18] } 7... Nc6 { [%eval 0.54] [%clk 1:14:28] } 8. d4 { [%eval 0.73] [%clk 1:26:31] } 8... exd4 { [%eval 0.76] [%clk 1:02:21] } 9. Nxd4 { [%eval 0.69] [%clk 1:24:23] } 9... Nxd4 { [%eval 0.68] [%clk 1:02:03] } 10. Qxd4 { [%eval 0.69] [%clk 1:24:41] } 10... c6 { [%eval 0.69] [%clk 0:56:26] } 11. Bf4 { [%eval 0.55] [%clk 1:21:17] } 11... Qb6 { [%eval 0.67] [%clk 0:55:19] } 12. Qd2 { [%eval 0.56] [%clk 1:20:09] } 12... Rfd8 { [%eval 0.63] [%clk 0:44:52] } 13. e4 { [%eval 0.71] [%clk 1:17:06] } 13... Ng4 { [%eval 1.24] [%clk 0:41:52] } 14. h3 { [%eval 1.26] [%clk 1:13:13] } 14... Ne5? { [%eval 2.77] } { Mistake. Nf6 was best. } { [%clk 0:42:14] } 15. Be3 { [%eval 2.63] [%clk 1:11:53] } 15... c5?! { [%eval 3.76] } { Inaccuracy. Qa5 was best. } { [%clk 0:39:05] } 16. f4 { [%eval 3.84] [%clk 1:08:53] } 16... Nc6 { [%eval 4.42] [%clk 0:25:28] } 17. f5 { [%eval 4.1] [%clk 1:03:45] } 17... Bf6 { [%eval 4.54] [%clk 0:17:51] } 18. fxe6 { [%eval 4.3] [%clk 1:03:05] } 18... fxe6 { [%eval 4.15] [%clk 0:18:01] } 19. Rac1 { [%eval 3.74] [%clk 1:02:27] } 19... Be5 { [%eval 3.77] [%clk 0:18:00] } 20. Ne2 { [%eval 3.81] [%clk 1:02:14] } 20... Qc7 { [%eval 4.02] [%clk 0:17:09] } 21. Bf4 { [%eval 3.51] [%clk 1:01:28] } 21... Bf6 { [%eval 4.28] [%clk 0:16:56] } 22. Bg5 { [%eval 3.99] [%clk 1:01:31] } 22... Bxg5 { [%eval 4.05] [%clk 0:15:25] } 23. Qxg5 { [%eval 4.04] [%clk 1:01:43] } 23... e5 { [%eval 4.62] [%clk 0:15:21] } 24. h4 { [%eval 4.53] [%clk 1:00:27] } 24... Rf8 { [%eval 4.44] [%clk 0:09:14] } 25. Bh3 { [%eval 4.56] [%clk 0:58:06] } 25... Nd4 { [%eval 5.25] [%clk 0:08:37] } 26. Nxd4 { [%eval 5.25] [%clk 0:58:01] } 26... cxd4 { [%eval 5.0] [%clk 0:08:56] } 27. Rxf8+ { [%eval 5.23] [%clk 0:57:23] } 27... Rxf8 { [%eval 4.99] [%clk 0:09:25] } 28. Rf1 { [%eval 4.77] [%clk 0:57:20] } 28... Rxf1+ { [%eval 4.78] [%clk 0:06:30] } 29. Kxf1 { [%eval 4.69] [%clk 0:57:24] } 29... b5?! { [%eval 6.03] } { Inaccuracy. Qf7+ was best. } { [%clk 0:05:28] } 30. Be6+ { [%eval 5.95] [%clk 0:56:54] } 30... Kh8 { [%eval 5.87] [%clk 0:05:55] } 31. Qf5 { [%eval 5.53] [%clk 0:56:56] } 31... Qe7 { [%eval 6.6] [%clk 0:04:23] } 32. cxb5 { [%eval 6.38] [%clk 0:54:59] } 32... Qd8 { [%eval 6.83] [%clk 0:01:56] } 33. Qf7 { [%eval 6.75] [%clk 0:54:19] } 33... d3 { [%eval 7.03] [%clk 0:01:53] } 34. Ke1 { [%eval 7.01] [%clk 0:50:42] } 34... Qa5+ { [%eval 8.14] [%clk 0:01:20] } 35. Kd1 { [%eval 8.09] [%clk 0:50:52] } 35... Qd8 { [%eval 7.64] [%clk 0:01:44] } 36. Qd7 { [%eval 7.61] [%clk 0:50:53] } 36... Qf8 { [%eval 7.76] [%clk 0:02:04] } 37. Qc8 { [%eval 7.37] [%clk 0:51:07] } 1-0