Event: Round 9: Sandoval Farieta, Sebastian - Perez Quinones, Malcolm J.
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-9/kCRi38Dw/gMrza3be
White: Sandoval Farieta, Sebastian
WhiteElo: 1446
Black: Perez Quinones, Malcolm J.
BlackElo: 1725
Result: 1/2-1/2
ECO: A93
Opening: Dutch Defense: Stonewall Variation, Botvinnik Variation
Variant: Standard
TimeControl: 45+10

1. Nf3 { [%eval 0.1] [%clk 0:45:00] } 1... f5 { [%eval 0.51] [%clk 0:45:08] } 2. g3 { [%eval 0.39] [%clk 0:44:42] } 2... Nf6 { [%eval 0.52] [%clk 0:45:11] } 3. Bg2 { [%eval 0.43] [%clk 0:44:29] } 3... e6 { [%eval 0.57] [%clk 0:45:06] } 4. O-O { [%eval 0.47] [%clk 0:43:57] } 4... Be7 { [%eval 0.56] [%clk 0:44:46] } 5. d4 { [%eval 0.38] [%clk 0:43:25] } 5... O-O { [%eval 0.45] [%clk 0:44:39] } 6. c4 { [%eval 0.44] [%clk 0:42:32] } 6... d5 { [%eval 0.51] [%clk 0:44:25] } 7. b3 { [%eval 0.35] [%clk 0:41:50] } 7... Ne4 { [%eval 0.4] [%clk 0:32:29] } 8. Qc2 { [%eval 0.41] [%clk 0:35:49] } 8... Nd7 { [%eval 0.43] [%clk 0:29:39] } 9. Nc3 { [%eval 0.42] [%clk 0:32:00] } 9... c6 { [%eval 0.43] [%clk 0:26:40] } 10. a4 { [%eval 0.33] [%clk 0:29:26] } 10... Qe8 { [%eval 0.68] [%clk 0:18:07] } 11. Ba3 { [%eval 0.3] [%clk 0:22:50] } 11... Rf6?! { [%eval 1.13] } { Inaccuracy. Bxa3 was best. } { [%clk 0:10:32] } 12. Bxe7 { [%eval 1.13] [%clk 0:20:29] } 12... Qxe7 { [%eval 1.1] [%clk 0:10:39] } 13. Ne5?! { [%eval 0.53] } { Inaccuracy. a5 was best. } { [%clk 0:15:18] } 13... Rh6?! { [%eval 1.11] } { Inaccuracy. a5 was best. } { [%clk 0:08:14] } 14. Rfd1 { [%eval 0.96] [%clk 0:12:09] } 14... g5?! { [%eval 1.94] } { Inaccuracy. Nxe5 was best. } { [%clk 0:04:02] } 15. Nxd7? { [%eval 0.76] } { Mistake. Nxe4 was best. } { [%clk 0:09:07] } 15... Bxd7 { [%eval 0.72] [%clk 0:04:10] } 16. Nxe4 { [%eval 0.84] [%clk 0:08:19] } 16... fxe4 { [%eval 0.66] [%clk 0:04:19] } 17. f3 { [%eval 0.68] [%clk 0:06:27] } 17... exf3 { [%eval 0.72] [%clk 0:03:19] } 18. exf3 { [%eval 0.87] [%clk 0:06:23] } 18... Qf7 { [%eval 0.87] [%clk 0:03:20] } 19. Re1 { [%eval 0.86] [%clk 0:05:02] } 19... Qh5 { [%eval 1.05] [%clk 0:02:40] } 20. Bh1 { [%eval 0.77] [%clk 0:04:47] } 20... Rf8 { [%eval 0.77] [%clk 0:02:40] } 21. Qe2 { [%eval 0.57] [%clk 0:04:09] } 21... Rhf6 { [%eval 0.78] [%clk 0:02:10] } 22. Rf1 { [%eval 0.56] [%clk 0:04:05] } 22... Qg6 { [%eval 0.54] [%clk 0:02:10] } 23. Rae1 { [%eval 0.52] [%clk 0:03:43] } 23... h5 { [%eval 0.46] [%clk 0:02:18] } 24. Rd1 { [%eval 0.02] [%clk 0:02:15] } 24... h4 { [%eval 0.09] [%clk 0:01:54] } 25. g4? { [%eval -1.23] } { Mistake. Bg2 was best. } { [%clk 0:02:08] } 25... Rf4 { [%eval -0.69] [%clk 0:02:03] } 26. Qd3? { [%eval -2.07] } { Mistake. h3 was best. } { [%clk 0:02:02] } 26... Qe8?? { [%eval 0.0] } { Blunder. Qxd3 was best. } { [%clk 0:01:51] } 27. Rde1 { [%eval -0.12] [%clk 0:01:59] } 27... Qf7 { [%eval -0.07] [%clk 0:01:48] } 28. Re5 { [%eval -0.07] [%clk 0:02:02] } 28... Qf6 { [%eval -0.07] [%clk 0:01:18] } 1/2-1/2