Event: Nacional Sub 20 Absoluto 2025
Site: Polideportivo Estadio Nacional, Chile
Date: 2025-01-23
White: Cordero Alchahueni, Jorge Marcelo
WhiteElo: 1841
Black: Orrego Palermo, Marcelo
BlackElo: 2145
Result: 0-1
ECO: E26
Opening: Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation
Variant: Standard
TimeControl: 90 minutes with 30 seconds increment from move 1

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:30:52] } 2. c4 { [%eval 0.18] [%clk 1:31:21] } 2... e6 { [%eval 0.11] [%clk 1:31:18] } 3. Nc3 { [%eval 0.17] [%clk 1:31:44] } 3... Bb4 { [%eval 0.09] [%clk 1:31:42] } 4. e3 { [%eval 0.11] [%clk 1:31:48] } 4... c5 { [%eval 0.25] [%clk 1:32:03] } 5. a3 { [%eval -0.12] [%clk 1:32:12] } 5... Bxc3+ { [%eval 0.0] [%clk 1:31:51] } 6. bxc3 { [%eval 0.0] [%clk 1:32:35] } 6... b6 { [%eval -0.1] [%clk 1:26:44] } 7. Bd3 { [%eval 0.0] [%clk 1:32:15] } 7... Nc6 { [%eval 0.31] [%clk 1:25:55] } 8. e4 { [%eval 0.35] [%clk 1:32:06] } 8... d6 { [%eval 0.35] [%clk 1:22:30] } 9. Ne2 { [%eval 0.28] [%clk 1:31:41] } 9... Qd7 { [%eval 0.66] [%clk 1:17:42] } 10. O-O { [%eval 0.65] [%clk 1:25:47] } 10... Ba6 { [%eval 0.76] [%clk 1:16:50] } 11. f4?! { [%eval 0.04] } { Inaccuracy. Bg5 was best. } { [%clk 1:12:24] } 11... Rd8?? { [%eval 2.45] } { Blunder. O-O-O was best. } { [%clk 1:01:25] } 12. Ng3?? { [%eval 0.46] } { Blunder. d5 was best. } { [%clk 0:51:39] } 12... h5?? { [%eval 2.94] } { Blunder. cxd4 was best. } { [%clk 0:51:42] } 13. e5 { [%eval 2.36] [%clk 0:42:24] } 13... Ng4?! { [%eval 3.44] } { Inaccuracy. dxe5 was best. } { [%clk 0:50:43] } 14. f5 { [%eval 3.44] [%clk 0:31:31] } 14... cxd4 { [%eval 3.58] [%clk 0:47:05] } 15. fxe6? { [%eval 2.12] } { Mistake. Nxh5 was best. } { [%clk 0:31:33] } 15... Qxe6 { [%eval 1.94] [%clk 0:47:08] } 16. Nf5?! { [%eval 1.19] } { Inaccuracy. cxd4 was best. } { [%clk 0:17:01] } 16... O-O { [%eval 1.37] [%clk 0:45:29] } 17. cxd4 { [%eval 1.17] [%clk 0:15:58] } 17... Bxc4?! { [%eval 2.27] } { Inaccuracy. Nxd4 was best. } { [%clk 0:44:02] } 18. h3? { [%eval 0.65] } { Mistake. Bxc4 was best. } { [%clk 0:12:37] } 18... dxe5 { [%eval 0.59] [%clk 0:33:51] } 19. hxg4 { [%eval 0.74] [%clk 0:08:02] } 19... Nxd4 { [%eval 0.66] [%clk 0:33:21] } 20. Nxd4?! { [%eval -0.42] } { Inaccuracy. Bxc4 was best. } { [%clk 0:05:01] } 20... Rxd4 { [%eval -0.4] [%clk 0:33:41] } 21. Bxc4 { [%eval -0.39] [%clk 0:05:25] } 21... Qxc4 { [%eval -0.44] [%clk 0:34:01] } 22. Qf3 { [%eval -0.41] [%clk 0:04:38] } 22... hxg4 { [%eval -0.41] [%clk 0:21:36] } 23. Qf2?! { [%eval -1.03] } { Inaccuracy. Qf5 was best. } { [%clk 0:04:16] } 23... Rd3 { [%eval -0.96] [%clk 0:20:48] } 24. Be3? { [%eval -2.29] } { Mistake. Bg5 was best. } { [%clk 0:00:57] } 24... f5 { [%eval -2.3] [%clk 0:17:49] } 25. Rac1 { [%eval -2.33] [%clk 0:00:33] } 25... Qb3? { [%eval -0.91] } { Mistake. Qd5 was best. } { [%clk 0:17:15] } 26. Bg5 { [%eval -0.95] [%clk 0:00:44] } 26... g3?! { [%eval -0.08] } { Inaccuracy. f4 was best. } { [%clk 0:12:48] } 27. Qe2 { [%eval -0.19] [%clk 0:01:13] } 27... e4 { [%eval 0.0] [%clk 0:11:27] } 28. Be7?? { [%eval -3.54] } { Blunder. Bf4 was best. } { [%clk 0:01:04] } 28... Qe6 { [%eval -3.34] [%clk 0:08:57] } 29. Bxf8?? { [%eval #-12] } { Checkmate is now unavoidable. Bg5 was best. } { [%clk 0:01:09] } 29... Qh6 { [%eval #-11] [%clk 0:08:43] } 30. Qa2+ { [%eval #-11] [%clk 0:00:33] } 30... Kh7 { [%eval #-10] [%clk 0:08:45] } 31. Rxf5 { [%eval #-6] [%clk 0:00:36] } 31... Qh2+ { [%eval #-9] [%clk 0:08:30] } 32. Kf1 { [%eval #-9] [%clk 0:01:00] } 32... Qh1+ { [%eval #-8] [%clk 0:08:57] } 0-1