Event: Round 7: Ubilluz Pena, Jaiden Andres - Alonso Orta, Osiel Alberto
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-7/XX3U7QQH/iFHGSBdt
White: Ubilluz Pena, Jaiden Andres
WhiteElo: 1855
Black: Alonso Orta, Osiel Alberto
BlackTitle: FM
BlackElo: 2081
Result: 1-0
ECO: B87
Opening: Sicilian Defense: Sozin Attack, Flank Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:19] } 1... c5 { [%eval 0.24] [%clk 0:45:16] } 2. Nf3 { [%eval 0.2] [%clk 0:45:27] } 2... d6 { [%eval 0.31] [%clk 0:45:22] } 3. d4 { [%eval 0.22] [%clk 0:45:35] } 3... cxd4 { [%eval 0.19] [%clk 0:45:26] } 4. Nxd4 { [%eval 0.18] [%clk 0:45:43] } 4... Nf6 { [%eval 0.31] [%clk 0:45:29] } 5. Nc3 { [%eval 0.32] [%clk 0:45:52] } 5... a6 { [%eval 0.25] [%clk 0:45:34] } 6. Bc4 { [%eval 0.03] [%clk 0:45:59] } 6... e6 { [%eval 0.06] [%clk 0:45:39] } 7. Bb3 { [%eval 0.0] [%clk 0:46:08] } 7... b5 { [%eval 0.0] [%clk 0:45:12] } 8. O-O { [%eval -0.13] [%clk 0:46:04] } 8... Be7 { [%eval -0.08] [%clk 0:45:04] } 9. Qf3 { [%eval 0.0] [%clk 0:45:54] } 9... Qc7 { [%eval 0.11] [%clk 0:43:40] } 10. Re1 { [%eval -0.01] [%clk 0:42:53] } 10... O-O { [%eval -0.03] [%clk 0:41:49] } 11. Bg5 { [%eval -0.34] [%clk 0:40:50] } 11... b4 { [%eval -0.38] [%clk 0:35:36] } 12. Nce2 { [%eval -0.53] [%clk 0:39:57] } 12... Nbd7 { [%eval -0.58] [%clk 0:29:11] } 13. c3 { [%eval -0.39] [%clk 0:36:09] } 13... Ne5 { [%eval -0.39] [%clk 0:23:51] } 14. Qe3 { [%eval -0.42] [%clk 0:34:44] } 14... bxc3 { [%eval -0.2] [%clk 0:19:59] } 15. Nxc3 { [%eval -0.07] [%clk 0:34:45] } 15... Qc5 { [%eval 0.15] [%clk 0:16:10] } 16. Na4 { [%eval -0.11] [%clk 0:28:36] } 16... Qa5 { [%eval -0.14] [%clk 0:13:18] } 17. f4 { [%eval -0.1] [%clk 0:24:07] } 17... Nfg4 { [%eval 0.09] [%clk 0:09:43] } 18. Qc3 { [%eval 0.15] [%clk 0:20:45] } 18... Qxc3 { [%eval 0.19] [%clk 0:09:37] } 19. bxc3 { [%eval 0.13] [%clk 0:20:53] } 19... Bxg5 { [%eval 0.08] [%clk 0:09:31] } 20. fxg5 { [%eval 0.03] [%clk 0:20:59] } 20... Nd3 { [%eval 0.22] [%clk 0:06:05] } 21. Red1 { [%eval 0.23] [%clk 0:19:38] } 21... Nc5?! { [%eval 1.3] } { Inaccuracy. Nge5 was best. } { [%clk 0:06:04] } 22. Nxc5 { [%eval 1.32] [%clk 0:18:03] } 22... dxc5 { [%eval 1.3] [%clk 0:06:13] } 23. Nc6?! { [%eval 0.43] } { Inaccuracy. Nf3 was best. } { [%clk 0:18:09] } 23... Bb7?! { [%eval 1.23] } { Inaccuracy. a5 was best. } { [%clk 0:04:56] } 24. Na5 { [%eval 0.86] [%clk 0:18:16] } 24... Rab8?! { [%eval 1.8] } { Inaccuracy. Rfb8 was best. } { [%clk 0:02:40] } 25. Nxb7?? { [%eval 0.0] } { Blunder. Nc4 was best. } { [%clk 0:15:38] } 25... Rxb7 { [%eval 0.0] [%clk 0:02:49] } 26. Rd6 { [%eval 0.0] [%clk 0:15:42] } 26... Ne5 { [%eval 0.0] [%clk 0:00:48] } 27. c4? { [%eval -1.63] } { Mistake. Rxa6 was best. } { [%clk 0:12:25] } 27... Rb4? { [%eval -0.02] } { Mistake. Ra8 was best. } { [%clk 0:00:12] } 28. Rxa6 { [%eval -0.03] [%clk 0:12:03] } 28... Nxc4 { [%eval -0.01] [%clk 0:00:17] } 29. Bxc4 { [%eval -0.04] [%clk 0:11:39] } 29... Rxc4 { [%eval 0.0] [%clk 0:00:26] } 30. a4 { [%eval -0.04] [%clk 0:11:48] } 30... Rc8 { [%eval -0.05] [%clk 0:00:13] } 31. a5 { [%eval 0.0] [%clk 0:11:56] } 31... Rd4 { [%eval 0.12] [%clk 0:00:14] } 32. Rb6 { [%eval 0.04] [%clk 0:11:45] } 32... c4 { [%eval 0.27] [%clk 0:00:19] } 33. Rc1 { [%eval -0.16] [%clk 0:11:33] } 33... c3?? { [%eval 3.26] } { Blunder. g6 was best. } { [%clk 0:00:21] } 34. Rxc3 { [%eval 3.26] [%clk 0:11:38] } 34... Ra8 { [%eval 3.22] [%clk 0:00:17] } 35. Ra3 { [%eval 3.33] [%clk 0:11:44] } 35... Kf8 { [%eval 3.27] [%clk 0:00:19] } 36. a6 { [%eval 3.47] [%clk 0:11:53] } 36... Rd7 { [%eval 3.45] [%clk 0:00:12] } 37. Kf2 { [%eval 3.05] [%clk 0:11:16] } 37... Ke8?! { [%eval 4.31] } { Inaccuracy. Rda7 was best. } { [%clk 0:00:17] } 38. Rb7 { [%eval 4.24] [%clk 0:10:04] } 38... Ra7 { [%eval 4.24] [%clk 0:00:24] } 39. Rb8+?! { [%eval 3.1] } { Inaccuracy. Rxa7 was best. } { [%clk 0:09:50] } 39... Ke7 { [%eval 2.91] [%clk 0:00:32] } 40. Rh8?? { [%eval 0.67] } { Blunder. Kf3 was best. } { [%clk 0:09:49] } 40... Rd6 { [%eval 0.71] [%clk 0:00:35] } 41. Rxh7 { [%eval 1.03] [%clk 0:09:51] } 41... g6?? { [%eval 5.52] } { Blunder. Kf8 was best. } { [%clk 0:00:44] } 42. h4?? { [%eval 0.0] } { Blunder. Rf3 was best. } { [%clk 0:09:52] } 42... Rdxa6 { [%eval 0.0] [%clk 0:00:22] } 43. Rxa6 { [%eval 0.0] [%clk 0:10:00] } 43... Rxa6 { [%eval 0.0] [%clk 0:00:31] } 44. h5 { [%eval 0.01] [%clk 0:09:18] } 44... gxh5 { [%eval 0.0] [%clk 0:00:16] } 45. g6 { [%eval 0.01] [%clk 0:09:20] } 45... Kf6 { [%eval 0.07] [%clk 0:00:25] } 46. g7 { [%eval 0.0] [%clk 0:09:23] } 46... Ra2+?? { [%eval 7.21] } { Blunder. Ra8 was best. } { [%clk 0:00:29] } 47. Kg3 { [%eval 6.84] [%clk 0:09:26] } 47... h4+ { [%eval 8.07] [%clk 0:00:34] } 48. Kh2 { [%eval 7.71] [%clk 0:09:18] } 48... h3?! { [%eval 29.83] } { Inaccuracy. Ra8 was best. } { [%clk 0:00:31] } 49. g8=Q { [%eval 11.69] [%clk 0:09:25] } 49... Rxg2+ { [%eval 17.59] [%clk 0:00:40] } 50. Qxg2 { [%eval 61.29] [%clk 0:09:31] } 50... hxg2 { [%eval 72.62] [%clk 0:00:48] } 51. Kxg2 { [%eval 69.46] [%clk 0:09:39] } 51... Ke5 { [%eval 77.59] [%clk 0:00:56] } 52. Rxf7 { [%eval 80.33] [%clk 0:09:46] } 52... Kxe4 { [%eval 66.99] [%clk 0:01:05] } 53. Kf2 { [%eval #28] [%clk 0:09:54] } 53... e5 { [%eval #17] [%clk 0:01:13] } 54. Ke2 { [%eval #16] [%clk 0:10:03] } 54... Kd4 { [%eval #17] [%clk 0:01:22] } 55. Ra7 { [%eval #15] [%clk 0:10:09] } 55... Ke4 { [%eval #15] [%clk 0:01:27] } 56. Ra4+ { [%eval #14] [%clk 0:10:17] } 56... Kf5 { [%eval #14] [%clk 0:01:36] } 57. Ke3 { [%eval #13] [%clk 0:10:27] } 1-0