Event: Campeonato Sudamericano Absoluto 2025
Site: https://lichess.org/broadcast/sudamericano-de-ajedrez-rancagua-2025-absoluto/round-7/37APb26o/OaLIBwFu
Date: 2025-11-07
White: Requejo Cotrina, Oswaldo Valentin
WhiteTitle: FM
WhiteElo: 2199
Black: Caceres Vasquez, Sergio
BlackTitle: FM
BlackElo: 2006
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:29:22] } 1... c6 { [%eval 0.23] [%clk 1:30:13] } 2. d4 { [%eval 0.24] [%clk 1:29:44] } 2... d5 { [%eval 0.24] [%clk 1:30:38] } 3. e5 { [%eval 0.33] [%clk 1:30:08] } 3... c5 { [%eval 0.32] [%clk 1:31:02] } 4. c4 { [%eval 0.07] [%clk 1:30:34] } 4... cxd4 { [%eval 0.11] [%clk 1:28:55] } 5. Qxd4 { [%eval 0.0] [%clk 1:30:32] } 5... e6 { [%eval 0.0] [%clk 1:18:16] } 6. cxd5 { [%eval 0.13] [%clk 1:29:29] } 6... Nc6 { [%eval 0.0] [%clk 1:17:49] } 7. Bb5 { [%eval 0.01] [%clk 1:28:48] } 7... exd5 { [%eval 0.3] [%clk 1:16:59] } 8. Nc3 { [%eval 0.41] [%clk 1:26:36] } 8... Be6 { [%eval 0.57] [%clk 1:17:14] } 9. Qa4?! { [%eval -0.05] } { Inaccuracy. Nf3 was best. } { [%clk 1:21:24] } 9... Ne7 { [%eval 0.0] [%clk 1:14:31] } 10. Bg5 { [%eval -0.01] [%clk 1:08:10] } 10... Qc8 { [%eval 0.15] [%clk 1:12:25] } 11. Nf3 { [%eval 0.22] [%clk 1:02:35] } 11... a6 { [%eval 0.28] [%clk 1:03:00] } 12. Bd3 { [%eval 0.35] [%clk 1:02:27] } 12... b5 { [%eval 0.4] [%clk 0:58:38] } 13. Qh4 { [%eval 0.22] [%clk 1:01:25] } 13... Ng6? { [%eval 1.62] } { Mistake. Bf5 was best. } { [%clk 0:53:56] } 14. Bxg6 { [%eval 1.61] [%clk 0:59:54] } 14... fxg6 { [%eval 1.69] [%clk 0:54:22] } 15. O-O { [%eval 1.62] [%clk 0:59:03] } 15... Ne7?! { [%eval 2.66] } { Inaccuracy. Be7 was best. } { [%clk 0:45:27] } 16. Nd4 { [%eval 2.38] [%clk 0:51:42] } 16... Nf5?! { [%eval 3.54] } { Inaccuracy. Qd7 was best. } { [%clk 0:43:37] } 17. Nxf5 { [%eval 3.59] [%clk 0:50:26] } 17... gxf5 { [%eval 3.52] [%clk 0:44:05] } 18. Ne2 { [%eval 3.39] [%clk 0:49:18] } 18... h6 { [%eval 4.23] [%clk 0:39:47] } 19. Rac1 { [%eval 3.95] [%clk 0:47:38] } 19... Qd7 { [%eval 4.2] [%clk 0:40:03] } 20. Nd4 { [%eval 4.23] [%clk 0:45:59] } 20... Rg8?! { [%eval 6.41] } { Inaccuracy. Kf7 was best. } { [%clk 0:36:40] } 21. Rc6 { [%eval 6.34] [%clk 0:41:17] } 21... hxg5 { [%eval 6.52] [%clk 0:35:50] } 22. Qh7 { [%eval 6.64] [%clk 0:40:18] } 22... Qxc6 { [%eval 6.67] [%clk 0:28:11] } 23. Qg6+ { [%eval 5.32] [%clk 0:38:15] } 23... Kd7 { [%eval 5.27] [%clk 0:27:25] } 24. Nxc6 { [%eval 5.25] [%clk 0:38:35] } 24... Bc5?! { [%eval 7.44] } { Inaccuracy. Rh8 was best. } { [%clk 0:27:04] } 25. Rc1 { [%eval 7.39] [%clk 0:38:29] } 25... Bb6 { [%eval 8.17] [%clk 0:26:33] } 26. Ne7 { [%eval 7.91] [%clk 0:37:24] } 26... Kxe7 { [%eval 8.85] [%clk 0:21:11] } 27. Rc6 { [%eval 7.95] [%clk 0:37:30] } 27... Bd7? { [%eval #22] } { Checkmate is now unavoidable. Rge8 was best. } { [%clk 0:20:25] } 28. Qd6+ { [%eval 10.07] [%clk 0:37:11] } 28... Kd8?! { [%eval #6] } { Checkmate is now unavoidable. Ke8 was best. } { [%clk 0:19:03] } 29. e6 { [%eval #5] [%clk 0:35:58] } 1-0