Event: Campeonato Sudamericano Femenino 2025
Site: https://lichess.org/broadcast/sudamericano-de-ajedrez-rancagua-2025--femenino/round-1/PdzFiNR3/rYE8pcIi
Date: 2025-11-03
White: Opazo Zamora Mailen Sayen
WhiteElo: 1504
Black: Argote Heredia, Valentina
BlackTitle: WIM
BlackElo: 2085
Result: 0-1
ECO: A18
Opening: English Opening: Mikenas-Carls Variation
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] } 1... e6 { [%eval 0.25] } 2. Nc3 { [%eval 0.18] } 2... Nf6 { [%eval 0.2] } 3. e4 { [%eval 0.14] } 3... d6?! { [%eval 0.7] } { Inaccuracy. d5 was best. } 4. Nge2 { [%eval 0.48] } 4... e5 { [%eval 0.74] } 5. g3 { [%eval 0.39] } 5... Be7 { [%eval 0.54] } 6. Bg2 { [%eval 0.38] } 6... h5 { [%eval 0.52] } 7. d3 { [%eval 0.08] } 7... h4 { [%eval -0.04] } 8. gxh4 { [%eval -0.22] } 8... Rxh4 { [%eval -0.26] } 9. Bg5?! { [%eval -1.17] } { Inaccuracy. h3 was best. } 9... Rg4 { [%eval -1.24] } 10. Bxf6 { [%eval -1.18] } 10... Bxf6 { [%eval -1.2] } 11. Bf3?! { [%eval -2.22] } { Inaccuracy. Bh3 was best. } 11... Rh4 { [%eval -2.25] } 12. Nd5 { [%eval -2.25] } 12... c6 { [%eval -1.9] } 13. Nxf6+ { [%eval -2.51] } 13... Qxf6 { [%eval -2.51] } 14. Ng1 { [%eval -2.83] } 14... Nd7 { [%eval -2.45] } 15. h3 { [%eval -2.4] } 15... Nc5 { [%eval -2.43] } 16. Bg2 { [%eval -2.55] } 16... Ne6 { [%eval -2.22] } 17. Nf3 { [%eval -2.87] } 17... Rh6 { [%eval -2.78] } 18. h4?! { [%eval -4.16] } { Inaccuracy. Bf1 was best. } 18... Nf4 { [%eval -3.89] } 19. Kf1?! { [%eval -5.45] } { Inaccuracy. Bf1 was best. } 19... Bg4 { [%eval -5.45] } 20. Qd2 { [%eval -6.18] } 20... Nxg2 { [%eval -5.82] } 21. Kxg2 { [%eval -7.72] } 21... Bxf3+ { [%eval -7.57] } 22. Kg1? { [%eval #-4] } { Checkmate is now unavoidable. Kf1 was best. } 22... Qg6+ { [%eval #-6] } 23. Kf1 { [%eval #-2] } 23... Qg2+ { [%eval #-1] } 24. Ke1 { [%eval #-1] } 24... Qxh1# 0-1