Event: Nacional Sub 20 Absoluto 2025
Site: Polideportivo Estadio Nacional, Chile
Date: 2025-01-24
White: Perez Rojas, Felipe
WhiteElo: 1891
Black: Carvajal Arellano, Sebastian Anto
BlackElo: 1707
Result: 1/2-1/2
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation
Variant: Standard
TimeControl: 90 minutes with 30 seconds increment from move 1

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... Nc6 { [%eval 0.25] [%clk 1:31:20] } 3. d4 { [%eval 0.27] [%clk 1:31:40] } 3... cxd4 { [%eval 0.35] [%clk 1:31:46] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:05] } 4... Nf6 { [%eval 0.19] [%clk 1:32:13] } 5. Nc3 { [%eval 0.26] [%clk 1:32:27] } 5... e5 { [%eval 0.34] [%clk 1:32:38] } 6. Ndb5 { [%eval 0.29] [%clk 1:32:53] } 6... d6 { [%eval 0.34] [%clk 1:33:01] } 7. Bg5 { [%eval 0.22] [%clk 1:33:18] } 7... a6 { [%eval 0.33] [%clk 1:33:26] } 8. Na3 { [%eval 0.35] [%clk 1:33:44] } 8... b5 { [%eval 0.28] [%clk 1:33:51] } 9. Nd5 { [%eval 0.2] [%clk 1:34:09] } 9... Qa5+ { [%eval 0.7] [%clk 1:33:43] } 10. Bd2 { [%eval 0.65] [%clk 1:34:32] } 10... Qd8 { [%eval 0.74] [%clk 1:34:09] } 11. Bd3 { [%eval 0.74] [%clk 1:34:56] } 11... Nxd5 { [%eval 0.83] [%clk 1:34:07] } 12. exd5 { [%eval 0.79] [%clk 1:35:20] } 12... Ne7 { [%eval 0.74] [%clk 1:34:28] } 13. c4 { [%eval 0.84] [%clk 1:35:36] } 13... g6 { [%eval 0.79] [%clk 1:34:52] } 14. cxb5 { [%eval 0.85] [%clk 1:23:12] } 14... Bg7 { [%eval 0.76] [%clk 1:35:00] } 15. Rb1 { [%eval 0.35] [%clk 1:19:44] } 15... O-O { [%eval 0.26] [%clk 1:35:15] } 16. O-O { [%eval 0.32] [%clk 1:20:05] } 16... axb5 { [%eval 0.37] [%clk 1:34:17] } 17. Bxb5 { [%eval 0.04] [%clk 1:18:59] } 17... Bb7 { [%eval 0.05] [%clk 1:33:41] } 18. Bc6? { [%eval -1.51] } { Mistake. Bc4 was best. } { [%clk 1:14:58] } 18... Bxc6?! { [%eval -0.47] } { Inaccuracy. Nxc6 was best. } { [%clk 1:24:09] } 19. dxc6 { [%eval -0.42] [%clk 1:15:26] } 19... Nxc6 { [%eval -0.45] [%clk 1:24:21] } 20. Rc1 { [%eval -0.67] [%clk 1:13:32] } 20... Ne7?! { [%eval -0.04] } { Inaccuracy. Qd7 was best. } { [%clk 1:17:42] } 21. Bb4 { [%eval -0.13] [%clk 1:11:25] } 21... Nf5 { [%eval -0.03] [%clk 1:14:45] } 22. Qd5 { [%eval -0.38] [%clk 0:54:34] } 22... Qb6 { [%eval -0.28] [%clk 0:52:49] } 23. Rc4 { [%eval -0.65] [%clk 0:52:13] } 23... Rfd8 { [%eval -0.71] [%clk 0:47:10] } 24. Rfc1?! { [%eval -1.83] } { Inaccuracy. Rd1 was best. } { [%clk 0:39:24] } 24... Ne7? { [%eval -0.39] } { Mistake. e4 was best. } { [%clk 0:45:59] } 25. Qd2? { [%eval -1.94] } { Mistake. Qb5 was best. } { [%clk 0:37:58] } 25... Nf5 { [%eval -1.91] [%clk 0:38:53] } 26. Qd5 { [%eval -1.67] [%clk 0:21:09] } 26... Ne7? { [%eval -0.41] } { Mistake. e4 was best. } { [%clk 0:38:11] } 27. Qd1?! { [%eval -1.4] } { Inaccuracy. Qb5 was best. } { [%clk 0:20:28] } 27... Nf5? { [%eval 0.0] } { Mistake. Bf6 was best. } { [%clk 0:37:38] } 28. Bc3?? { [%eval -2.06] } { Blunder. Qd5 was best. } { [%clk 0:14:04] } 28... d5 { [%eval -2.09] [%clk 0:33:36] } 29. Rb4 { [%eval -2.32] [%clk 0:14:31] } 29... Qe6 { [%eval -1.88] [%clk 0:32:03] } 30. Nb5 { [%eval -2.47] [%clk 0:12:25] } 1/2-1/2