Event: Nacional Sub 20 Absoluto 2025
Site: Polideportivo Estadio Nacional, Chile
Date: 2025-01-21
White: Leiva Mendoza, Matias
WhiteElo: 1825
Black: Orrego Palermo, Marcelo
BlackElo: 2145
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 90 minutes with 30 seconds increment from move 1

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:48] } 2. Nc3 { [%eval 0.13] [%clk 1:31:16] } 2... d6 { [%eval 0.26] [%clk 1:30:58] } 3. f4 { [%eval 0.0] [%clk 1:31:39] } 3... Nc6 { [%eval 0.0] [%clk 1:31:10] } 4. Bb5 { [%eval 0.0] [%clk 1:31:57] } 4... Bd7 { [%eval 0.09] [%clk 1:31:32] } 5. Bxc6 { [%eval -0.16] [%clk 1:32:19] } 5... Bxc6 { [%eval -0.13] [%clk 1:31:50] } 6. d3 { [%eval -0.37] [%clk 1:32:42] } 6... e6 { [%eval -0.04] [%clk 1:30:03] } 7. Nf3 { [%eval -0.09] [%clk 1:33:00] } 7... Nf6 { [%eval -0.09] [%clk 1:26:01] } 8. O-O { [%eval -0.15] [%clk 1:32:57] } 8... d5 { [%eval 0.22] [%clk 1:25:40] } 9. e5?! { [%eval -0.66] } { Inaccuracy. Ne5 was best. } { [%clk 1:30:22] } 9... Nd7?! { [%eval 0.08] } { Inaccuracy. d4 was best. } { [%clk 1:25:53] } 10. f5 { [%eval 0.11] [%clk 1:25:21] } 10... exf5 { [%eval 0.12] [%clk 1:20:53] } 11. Ng5?? { [%eval -2.85] } { Blunder. Qe1 was best. } { [%clk 1:23:20] } 11... h6 { [%eval -2.8] [%clk 1:17:50] } 12. Nh3 { [%eval -3.21] [%clk 0:41:53] } 12... d4 { [%eval -3.15] [%clk 1:12:16] } 13. e6 { [%eval -3.16] [%clk 0:39:42] } 13... Nf6 { [%eval -3.04] [%clk 1:12:33] } 14. exf7+ { [%eval -3.0] [%clk 0:39:35] } 14... Kxf7 { [%eval -3.24] [%clk 1:12:57] } 15. Ne2 { [%eval -3.1] [%clk 0:33:58] } 15... Qd7 { [%eval -3.08] [%clk 1:09:45] } 16. Ng3 { [%eval -3.17] [%clk 0:32:25] } 16... g6 { [%eval -3.2] [%clk 1:07:16] } 17. Bf4 { [%eval -3.66] [%clk 0:31:04] } 17... Re8 { [%eval -3.63] [%clk 1:05:24] } 18. c3 { [%eval -3.52] [%clk 0:22:50] } 18... Qd5 { [%eval -3.36] [%clk 1:00:56] } 19. Qd2 { [%eval -3.67] [%clk 0:21:41] } 19... Ng4 { [%eval -3.34] [%clk 0:47:42] } 20. Rae1?! { [%eval -4.48] } { Inaccuracy. c4 was best. } { [%clk 0:17:35] } 20... Bg7 { [%eval -3.63] [%clk 0:46:50] } 21. c4 { [%eval -3.72] [%clk 0:17:00] } 21... Qd7 { [%eval -3.59] [%clk 0:46:17] } 22. Nf2 { [%eval -3.29] [%clk 0:15:25] } 22... Rxe1 { [%eval -3.3] [%clk 0:42:18] } 23. Rxe1 { [%eval -3.25] [%clk 0:14:13] } 23... Nxf2?! { [%eval -1.91] } { Inaccuracy. Ne3 was best. } { [%clk 0:41:50] } 24. Qxf2 { [%eval -2.08] [%clk 0:14:16] } 24... Re8 { [%eval -1.9] [%clk 0:41:36] } 25. Ne2? { [%eval -3.33] } { Mistake. Rxe8 was best. } { [%clk 0:13:31] } 25... a6?! { [%eval -1.97] } { Inaccuracy. g5 was best. } { [%clk 0:39:59] } 26. Qg3? { [%eval -3.88] } { Mistake. h4 was best. } { [%clk 0:12:13] } 26... g5 { [%eval -3.81] [%clk 0:37:25] } 27. Bd2 { [%eval -4.04] [%clk 0:10:44] } 27... f4 { [%eval -3.88] [%clk 0:30:40] } 28. Qf2 { [%eval -3.81] [%clk 0:06:37] } 28... Kg6 { [%eval -3.92] [%clk 0:30:45] } 29. b4 { [%eval -4.34] [%clk 0:05:31] } 29... cxb4 { [%eval -4.22] [%clk 0:24:09] } 30. Bxb4 { [%eval -4.06] [%clk 0:04:08] } 30... b5?! { [%eval -3.2] } { Inaccuracy. a5 was best. } { [%clk 0:23:32] } 31. Rc1?! { [%eval -4.46] } { Inaccuracy. cxb5 was best. } { [%clk 0:02:10] } 31... Re3 { [%eval -4.05] [%clk 0:23:04] } 32. Rd1?! { [%eval -6.38] } { Inaccuracy. cxb5 was best. } { [%clk 0:00:55] } 32... Qg4 { [%eval -6.26] [%clk 0:19:15] } 33. Rd2 { [%eval -6.52] [%clk 0:00:31] } 33... bxc4 { [%eval -6.7] [%clk 0:16:07] } 34. dxc4 { [%eval -7.75] [%clk 0:00:54] } 34... d3 { [%eval -7.09] [%clk 0:16:31] } 35. Nc1? { [%eval #-13] } { Checkmate is now unavoidable. Nxf4+ was best. } { [%clk 0:00:31] } 35... Bd4 { [%eval #-12] [%clk 0:16:42] } 36. Qf1 { [%eval #-2] [%clk 0:00:41] } 36... Re1+ { [%eval #-1] [%clk 0:17:02] } 0-1