Event: Round 9: Claure Verastegui, Rene David - Ortiz Menacho, Sebastian Alonso
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-9/FsaVk8po/vakOduWS
White: Claure Verastegui, Rene David
WhiteTitle: CM
WhiteElo: 1970
Black: Ortiz Menacho, Sebastian Alonso
BlackElo: 1983
Result: 1-0
ECO: B32
Opening: Sicilian Defense: Kalashnikov Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:43:27] } 1... c5 { [%eval 0.24] [%clk 0:45:10] } 2. Nf3 { [%eval 0.2] [%clk 0:43:33] } 2... Nc6 { [%eval 0.3] [%clk 0:45:17] } 3. d4 { [%eval 0.27] [%clk 0:43:35] } 3... cxd4 { [%eval 0.27] [%clk 0:45:23] } 4. Nxd4 { [%eval 0.21] [%clk 0:43:42] } 4... e5 { [%eval 0.42] [%clk 0:45:24] } 5. Nb5 { [%eval 0.35] [%clk 0:43:46] } 5... d6 { [%eval 0.37] [%clk 0:45:30] } 6. N1c3 { [%eval 0.25] [%clk 0:43:43] } 6... a6 { [%eval 0.38] [%clk 0:45:16] } 7. Na3 { [%eval 0.3] [%clk 0:43:52] } 7... Be6 { [%eval 0.33] [%clk 0:45:22] } 8. Nc4 { [%eval 0.62] [%clk 0:43:34] } 8... Rb8 { [%eval 0.58] [%clk 0:45:28] } 9. Bd3 { [%eval 0.3] [%clk 0:41:56] } 9... Nf6 { [%eval 0.29] [%clk 0:36:00] } 10. Bg5 { [%eval 0.08] [%clk 0:41:51] } 10... Be7 { [%eval 0.06] [%clk 0:35:39] } 11. Bxf6 { [%eval 0.04] [%clk 0:38:26] } 11... Bxf6 { [%eval -0.02] [%clk 0:35:43] } 12. O-O { [%eval -0.1] [%clk 0:37:55] } 12... O-O { [%eval -0.06] [%clk 0:35:12] } 13. a4 { [%eval -0.05] [%clk 0:36:35] } 13... g6 { [%eval 0.05] [%clk 0:30:23] } 14. Ne3 { [%eval -0.03] [%clk 0:35:54] } 14... Bg7 { [%eval 0.01] [%clk 0:27:57] } 15. Bc4 { [%eval 0.0] [%clk 0:34:58] } 15... Kh8 { [%eval 0.1] [%clk 0:23:50] } 16. Kh1 { [%eval -0.09] [%clk 0:32:35] } 16... Nd4 { [%eval -0.15] [%clk 0:22:41] } 17. Ncd5 { [%eval -0.11] [%clk 0:28:23] } 17... f5 { [%eval -0.06] [%clk 0:07:14] } 18. c3 { [%eval -0.22] [%clk 0:26:21] } 18... Nc6?! { [%eval 0.45] } { Inaccuracy. f4 was best. } { [%clk 0:04:05] } 19. exf5 { [%eval 0.32] [%clk 0:25:10] } 19... gxf5 { [%eval 0.29] [%clk 0:05:24] } 20. f4 { [%eval 0.19] [%clk 0:25:02] } 20... e4?! { [%eval 1.2] } { Inaccuracy. Bd7 was best. } { [%clk 0:01:56] } 21. Qe2 { [%eval 1.18] [%clk 0:24:52] } 21... Ne7?! { [%eval 2.01] } { Inaccuracy. Na5 was best. } { [%clk 0:00:33] } 22. Nxe7 { [%eval 1.87] [%clk 0:24:26] } 22... Qxe7 { [%eval 2.08] [%clk 0:00:42] } 23. Bxe6 { [%eval 2.08] [%clk 0:22:19] } 23... Qxe6 { [%eval 2.02] [%clk 0:00:51] } 24. Rad1 { [%eval 1.57] [%clk 0:22:26] } 24... Rbd8?! { [%eval 2.33] } { Inaccuracy. b5 was best. } { [%clk 0:00:22] } 25. Rd5 { [%eval 2.28] [%clk 0:22:27] } 25... Rf6 { [%eval 2.27] [%clk 0:00:13] } 26. g3 { [%eval 2.34] [%clk 0:22:28] } 26... Qd7 { [%eval 2.69] [%clk 0:00:20] } 27. Rfd1 { [%eval 2.58] [%clk 0:22:14] } 27... Rdf8 { [%eval 2.69] [%clk 0:00:15] } 28. a5 { [%eval 2.65] [%clk 0:21:43] } 28... Qd8 { [%eval 3.29] [%clk 0:00:12] } 29. Nc4 { [%eval 3.35] [%clk 0:20:17] } 29... R8f7? { [%eval 5.36] } { Mistake. Qc7 was best. } { [%clk 0:00:14] } 30. Nxd6 { [%eval 5.17] [%clk 0:19:57] } 30... Rd7 { [%eval 6.22] [%clk 0:00:12] } 31. Nxb7 { [%eval 6.23] [%clk 0:19:53] } 1-0