Event: Round 4: Lamborena Valderrama, Garazi - Osadchuk, Anastasiia
Site: https://lichess.org/broadcast/fide-world-amateur-chess-championships-2025/round-4/y8mtkQLr/FR619mQW
Date: 2025-11-08
White: Lamborena Valderrama, Garazi
WhiteElo: 1726
Black: Osadchuk, Anastasiia
BlackElo: 1810
Result: 0-1
ECO: B35
Opening: Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:54] } 2. Nf3 { [%eval 0.2] [%clk 1:31:24] } 2... Nc6 { [%eval 0.3] [%clk 1:31:17] } 3. d4 { [%eval 0.27] [%clk 1:31:49] } 3... cxd4 { [%eval 0.27] [%clk 1:31:43] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:12] } 4... g6 { [%eval 0.35] [%clk 1:32:09] } 5. Nc3 { [%eval 0.27] [%clk 1:32:36] } 5... Bg7 { [%eval 0.18] [%clk 1:32:34] } 6. Be3 { [%eval 0.16] [%clk 1:32:58] } 6... Nf6 { [%eval 0.26] [%clk 1:32:56] } 7. Bc4 { [%eval 0.19] [%clk 1:32:57] } 7... O-O { [%eval 0.2] [%clk 1:33:08] } 8. Bb3 { [%eval 0.37] [%clk 1:33:14] } 8... Re8 { [%eval 0.34] [%clk 1:32:44] } 9. f3 { [%eval 0.28] [%clk 1:31:51] } 9... e6 { [%eval 0.55] [%clk 1:32:32] } 10. Qd2 { [%eval 0.35] [%clk 1:28:45] } 10... d5 { [%eval 0.32] [%clk 1:32:02] } 11. Nxc6 { [%eval 0.07] [%clk 1:17:47] } 11... bxc6 { [%eval 0.21] [%clk 1:30:46] } 12. Ba4?! { [%eval -0.66] } { Inaccuracy. O-O-O was best. } { [%clk 1:15:39] } 12... Bb7 { [%eval -0.51] [%clk 1:28:20] } 13. exd5?! { [%eval -1.41] } { Inaccuracy. O-O-O was best. } { [%clk 1:10:17] } 13... exd5?! { [%eval -0.37] } { Inaccuracy. Nxd5 was best. } { [%clk 1:27:23] } 14. O-O?? { [%eval -4.08] } { Blunder. O-O-O was best. } { [%clk 1:09:58] } 14... Rxe3 { [%eval -4.14] [%clk 1:18:05] } 15. Qxe3 { [%eval -4.2] [%clk 1:10:21] } 15... d4 { [%eval -4.17] [%clk 1:18:28] } 16. Qd3 { [%eval -4.35] [%clk 1:07:58] } 16... dxc3 { [%eval -4.22] [%clk 1:11:06] } 17. Qxc3 { [%eval -4.15] [%clk 1:05:00] } 17... Rb8 { [%eval -3.7] [%clk 0:13:02] } 18. Rfd1 { [%eval -3.72] [%clk 0:52:49] } 18... Qc7 { [%eval -3.62] [%clk 0:10:54] } 19. Qc5 { [%eval -3.6] [%clk 0:42:33] } 19... Bf8 { [%eval -3.54] [%clk 0:10:47] } 20. Qc3 { [%eval -3.99] [%clk 0:40:54] } 20... Nd7 { [%eval -3.6] [%clk 0:09:58] } 21. Kh1 { [%eval -3.85] [%clk 0:31:18] } 21... Bg7 { [%eval -3.73] [%clk 0:09:09] } 22. Qa3 { [%eval -4.19] [%clk 0:29:34] } 22... Nb6 { [%eval -4.35] [%clk 0:09:09] } 23. c3 { [%eval -5.39] [%clk 0:25:56] } 23... Qf4 { [%eval -5.1] [%clk 0:09:10] } 24. Bb3?! { [%eval -8.9] } { Inaccuracy. Rd4 was best. } { [%clk 0:25:30] } 24... Be5 { [%eval -8.73] [%clk 0:09:16] } 25. Kg1 { [%eval -10.31] [%clk 0:24:47] } 25... Qxh2+ { [%eval -9.95] [%clk 0:09:24] } 26. Kf1 { [%eval -9.18] [%clk 0:25:04] } 26... Bg3 { [%eval -9.63] [%clk 0:09:24] } 27. Qc5 { [%eval -9.47] [%clk 0:23:03] } 27... Ba6+ { [%eval #-14] [%clk 0:06:24] } 28. c4 { [%eval #-14] [%clk 0:22:56] } 28... Nxc4 { [%eval #-13] [%clk 0:05:24] } 29. Bxc4 { [%eval #-13] [%clk 0:22:48] } 29... Qh1+ { [%eval #-19] [%clk 0:05:40] } 30. Ke2 { [%eval #-12] [%clk 0:22:57] } 30... Qxg2+ { [%eval #-11] [%clk 0:05:45] } 31. Kd3 { [%eval #-12] [%clk 0:23:07] } 31... Rxb2 { [%eval #-11] [%clk 0:02:59] } 32. Ke4 { [%eval #-8] [%clk 0:23:07] } 32... Qc2+ { [%eval #-7] [%clk 0:02:29] } 33. Rd3 { [%eval #-5] [%clk 0:22:54] } 33... Bxc4 { [%eval #-4] [%clk 0:02:25] } 34. Qd4 { [%eval #-2] [%clk 0:22:48] } 34... f5+ { [%eval #-1] [%clk 0:02:41] } 0-1