Event: Round 8: Ubilluz Pena, Jaiden Andres - Lopez Rayo, Santiago
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-8/aMduC1kl/32Wtlpro
White: Ubilluz Pena, Jaiden Andres
WhiteElo: 1855
Black: Lopez Rayo, Santiago
BlackTitle: FM
BlackElo: 2307
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Lipnitsky Attack
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:17] } 1... c5 { [%eval 0.24] [%clk 0:45:05] } 2. Nf3 { [%eval 0.2] [%clk 0:43:38] } 2... d6 { [%eval 0.31] [%clk 0:45:12] } 3. d4 { [%eval 0.22] [%clk 0:43:46] } 3... cxd4 { [%eval 0.19] [%clk 0:45:20] } 4. Nxd4 { [%eval 0.18] [%clk 0:43:54] } 4... Nf6 { [%eval 0.31] [%clk 0:45:27] } 5. Nc3 { [%eval 0.32] [%clk 0:44:02] } 5... a6 { [%eval 0.25] [%clk 0:45:35] } 6. Bc4 { [%eval 0.03] [%clk 0:44:08] } 6... e6 { [%eval 0.06] [%clk 0:45:28] } 7. Bb3 { [%eval 0.0] [%clk 0:44:15] } 7... Nbd7 { [%eval 0.05] [%clk 0:45:28] } 8. Bg5 { [%eval -0.2] [%clk 0:44:01] } 8... Nc5 { [%eval -0.23] [%clk 0:44:53] } 9. O-O { [%eval -0.22] [%clk 0:43:58] } 9... Be7 { [%eval -0.2] [%clk 0:44:05] } 10. Qf3 { [%eval -0.23] [%clk 0:42:47] } 10... Qc7 { [%eval -0.27] [%clk 0:38:51] } 11. Rfe1 { [%eval -0.34] [%clk 0:42:28] } 11... h6 { [%eval -0.28] [%clk 0:36:56] } 12. Bxf6 { [%eval -0.66] [%clk 0:41:53] } 12... Bxf6 { [%eval -0.72] [%clk 0:36:47] } 13. Rad1 { [%eval -0.67] [%clk 0:41:59] } 13... O-O { [%eval -0.77] [%clk 0:36:19] } 14. Qg3 { [%eval -1.09] [%clk 0:37:56] } 14... b5 { [%eval -1.19] [%clk 0:34:19] } 15. Nf3 { [%eval -1.7] [%clk 0:35:38] } 15... Rd8?! { [%eval -1.08] } { Inaccuracy. b4 was best. } { [%clk 0:26:49] } 16. h3? { [%eval -2.43] } { Mistake. e5 was best. } { [%clk 0:27:04] } 16... Bb7 { [%eval -2.38] [%clk 0:26:28] } 17. Nh2 { [%eval -2.3] [%clk 0:24:10] } 17... h5 { [%eval -2.21] [%clk 0:22:48] } 18. Qf3 { [%eval -2.4] [%clk 0:19:48] } 18... b4 { [%eval -2.24] [%clk 0:21:13] } 19. Na4 { [%eval -2.11] [%clk 0:19:36] } 19... Qa5 { [%eval -2.02] [%clk 0:19:31] } 20. Nxc5 { [%eval -2.02] [%clk 0:18:00] } 20... Qxc5 { [%eval -1.93] [%clk 0:19:38] } 21. g4 { [%eval -2.57] [%clk 0:17:19] } 21... hxg4 { [%eval -1.98] [%clk 0:18:13] } 22. Nxg4 { [%eval -2.24] [%clk 0:17:10] } 22... Bxb2 { [%eval -2.33] [%clk 0:17:59] } 23. Qg3 { [%eval -2.17] [%clk 0:15:14] } 23... Be5 { [%eval -2.34] [%clk 0:12:13] } 24. Nxe5 { [%eval -2.09] [%clk 0:13:38] } 24... dxe5 { [%eval -1.88] [%clk 0:11:07] } 25. Qg4?! { [%eval -2.95] } { Inaccuracy. Rd3 was best. } { [%clk 0:12:47] } 25... Rd4 { [%eval -2.63] [%clk 0:09:37] } 26. Rd3 { [%eval -2.51] [%clk 0:12:06] } 26... Qe7 { [%eval -2.51] [%clk 0:06:33] } 27. Rg3 { [%eval -2.77] [%clk 0:11:42] } 27... Qf6 { [%eval -2.57] [%clk 0:06:25] } 28. Rf3 { [%eval -2.55] [%clk 0:11:40] } 28... Qh6 { [%eval -2.63] [%clk 0:06:24] } 29. c3 { [%eval -2.58] [%clk 0:07:35] } 29... bxc3 { [%eval -2.6] [%clk 0:06:20] } 30. Rxc3 { [%eval -2.54] [%clk 0:07:43] } 30... Kh8 { [%eval -1.95] [%clk 0:04:51] } 31. Rc7? { [%eval -3.91] } { Mistake. Qg3 was best. } { [%clk 0:07:29] } 31... f5 { [%eval -3.88] [%clk 0:02:32] } 32. Qg3 { [%eval -3.67] [%clk 0:05:56] } 32... Bxe4 { [%eval -3.71] [%clk 0:02:35] } 33. Bxe6? { [%eval -6.05] } { Mistake. Qxe5 was best. } { [%clk 0:04:19] } 33... Rd3 { [%eval -5.99] [%clk 0:02:16] } 34. Qxd3 { [%eval -6.26] [%clk 0:00:21] } 34... Bxd3 { [%eval -6.43] [%clk 0:02:20] } 35. Bd5 { [%eval -6.79] [%clk 0:00:26] } 35... Qg6+ { [%eval -6.58] [%clk 0:01:53] } 36. Kh2 { [%eval -6.96] [%clk 0:00:27] } 36... Qd6 { [%eval -6.92] [%clk 0:01:55] } 37. Bxa8 { [%eval -7.56] [%clk 0:00:21] } 37... Qxc7 { [%eval -7.23] [%clk 0:02:04] } 38. Bg2 { [%eval -8.19] [%clk 0:00:22] } 38... e4+ { [%eval -7.95] [%clk 0:01:56] } 39. Kg1 { [%eval -7.83] [%clk 0:00:29] } 39... Qc2 { [%eval -7.81] [%clk 0:02:01] } 40. a3 { [%eval -8.07] [%clk 0:00:29] } 40... Qc3 { [%eval -7.56] [%clk 0:02:09] } 41. Re3? { [%eval #-11] } { Checkmate is now unavoidable. Rd1 was best. } { [%clk 0:00:33] } 41... f4 { [%eval #-10] [%clk 0:02:16] } 0-1