Event: Round 9: Acuna Alarcon, Claudia Micaela - Monteiro, Samuel Ramazzotte
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-9/FsaVk8po/3gwTMsc3
White: Acuna Alarcon, Claudia Micaela
WhiteElo: 1758
Black: Monteiro, Samuel Ramazzotte
BlackElo: 1914
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:16] } 1... c5 { [%eval 0.24] [%clk 0:45:11] } 2. Nf3 { [%eval 0.2] [%clk 0:45:01] } 2... e6 { [%eval 0.28] [%clk 0:44:01] } 3. d4 { [%eval 0.4] [%clk 0:45:07] } 3... cxd4 { [%eval 0.29] [%clk 0:44:06] } 4. Nxd4 { [%eval 0.21] [%clk 0:45:14] } 4... Nf6 { [%eval 0.29] [%clk 0:43:23] } 5. Nc3 { [%eval 0.21] [%clk 0:45:17] } 5... Nc6 { [%eval 0.35] [%clk 0:41:36] } 6. Nxc6 { [%eval 0.31] [%clk 0:45:19] } 6... bxc6 { [%eval 0.28] [%clk 0:41:44] } 7. e5 { [%eval 0.31] [%clk 0:45:23] } 7... Nd5 { [%eval 0.41] [%clk 0:41:48] } 8. Ne4 { [%eval 0.43] [%clk 0:45:18] } 8... Qc7 { [%eval 0.5] [%clk 0:41:56] } 9. f4 { [%eval 0.5] [%clk 0:45:22] } 9... Qb6 { [%eval 0.47] [%clk 0:42:03] } 10. c4 { [%eval 0.58] [%clk 0:45:19] } 10... Ne3 { [%eval 0.51] [%clk 0:41:40] } 11. Qd3 { [%eval 0.61] [%clk 0:45:06] } 11... Bb4+ { [%eval 0.63] [%clk 0:39:18] } 12. Bd2 { [%eval 0.52] [%clk 0:43:44] } 12... O-O { [%eval 0.57] [%clk 0:38:25] } 13. a3?! { [%eval 0.0] } { Inaccuracy. Rc1 was best. } { [%clk 0:33:37] } 13... Bxd2+ { [%eval 0.0] [%clk 0:38:28] } 14. Qxd2 { [%eval 0.02] [%clk 0:33:41] } 14... Nxf1? { [%eval 1.28] } { Mistake. a5 was best. } { [%clk 0:38:21] } 15. Rxf1 { [%eval 1.3] [%clk 0:33:48] } 15... Qb3? { [%eval 2.95] } { Mistake. c5 was best. } { [%clk 0:33:39] } 16. Rc1 { [%eval 2.82] [%clk 0:31:11] } 16... Rb8 { [%eval 2.73] [%clk 0:26:41] } 17. Rc2 { [%eval 2.56] [%clk 0:28:21] } 17... Qb6 { [%eval 2.83] [%clk 0:19:50] } 18. c5 { [%eval 2.73] [%clk 0:25:46] } 18... Qb3 { [%eval 2.67] [%clk 0:19:03] } 19. Rf3 { [%eval 2.53] [%clk 0:24:09] } 19... Qa2? { [%eval 4.21] } { Mistake. Qd5 was best. } { [%clk 0:18:06] } 20. b4 { [%eval 4.25] [%clk 0:17:13] } 20... Qb1+ { [%eval 4.3] [%clk 0:17:10] } 21. Kf2 { [%eval 4.12] [%clk 0:15:49] } 21... a5?! { [%eval 5.27] } { Inaccuracy. Ba6 was best. } { [%clk 0:15:13] } 22. Re3 { [%eval 5.28] [%clk 0:05:14] } 22... f5 { [%eval 5.81] [%clk 0:08:43] } 23. Rc1?! { [%eval 3.85] } { Inaccuracy. exf6 was best. } { [%clk 0:07:00] } 23... Qxe4 { [%eval 3.48] [%clk 0:08:41] } 24. Rxe4 { [%eval 3.44] [%clk 0:07:09] } 24... fxe4 { [%eval 3.48] [%clk 0:08:49] } 25. Ke3 { [%eval 3.12] [%clk 0:07:18] } 25... Rf7 { [%eval 3.85] [%clk 0:07:11] } 26. Kxe4?! { [%eval 2.95] } { Inaccuracy. Rc4 was best. } { [%clk 0:07:23] } 26... a4?! { [%eval 4.1] } { Inaccuracy. axb4 was best. } { [%clk 0:06:54] } 27. Qd6 { [%eval 4.09] [%clk 0:07:05] } 27... Ra8 { [%eval 3.78] [%clk 0:06:38] } 28. g4 { [%eval 3.48] [%clk 0:07:13] } 28... g6?! { [%eval 4.55] } { Inaccuracy. Ba6 was best. } { [%clk 0:06:28] } 29. Rf1 { [%eval 4.45] [%clk 0:02:14] } 29... Ba6 { [%eval 4.43] [%clk 0:06:36] } 30. Rf2 { [%eval 4.47] [%clk 0:02:18] } 30... Raf8 { [%eval 4.57] [%clk 0:06:18] } 31. h4?! { [%eval 2.95] } { Inaccuracy. f5 was best. } { [%clk 0:01:59] } 31... Bc4 { [%eval 2.8] [%clk 0:05:20] } 32. Qd4 { [%eval 2.65] [%clk 0:01:29] } 32... Bb5?! { [%eval 3.9] } { Inaccuracy. Bd5+ was best. } { [%clk 0:05:22] } 33. Ke3 { [%eval 3.4] [%clk 0:01:20] } 33... Kh8?! { [%eval 4.92] } { Inaccuracy. Rg7 was best. } { [%clk 0:04:39] } 34. Qe4?! { [%eval 3.64] } { Inaccuracy. h5 was best. } { [%clk 0:01:21] } 34... Ba6?! { [%eval 4.91] } { Inaccuracy. Rg7 was best. } { [%clk 0:04:32] } 35. h5 { [%eval 4.62] [%clk 0:00:43] } 35... gxh5 { [%eval 5.29] [%clk 0:03:40] } 36. f5 { [%eval 5.35] [%clk 0:00:51] } 36... hxg4 { [%eval 5.81] [%clk 0:03:17] } 37. f6 { [%eval 5.89] [%clk 0:01:00] } 37... Rg8 { [%eval 6.09] [%clk 0:03:15] } 38. Rg2 { [%eval 6.09] [%clk 0:00:37] } 38... Bf1 { [%eval 7.1] [%clk 0:02:45] } 39. Rxg4 { [%eval 7.01] [%clk 0:00:40] } 39... Rxg4 { [%eval 8.3] [%clk 0:02:54] } 40. Qxg4 { [%eval 8.04] [%clk 0:00:49] } 40... Bb5 { [%eval 8.62] [%clk 0:03:01] } 41. Qd4 { [%eval 8.25] [%clk 0:00:27] } 41... Kg8 { [%eval 8.28] [%clk 0:02:46] } 42. Qd6 { [%eval 7.94] [%clk 0:00:32] } 42... h5? { [%eval #14] } { Checkmate is now unavoidable. Bf1 was best. } { [%clk 0:01:41] } 43. Qb8+ { [%eval #15] [%clk 0:00:40] } 43... Kh7 { [%eval #9] [%clk 0:01:50] } 44. Qe8 { [%eval #8] [%clk 0:00:47] } 1-0