[Event "Sistema londres"] [Site "https://lichess.org/Cwh22trL"] [Date "2024.01.13"] [White "ValeriaCarhuancho_PM"] [Black "RodrigoLLontop"] [Result "0-1"] [UTCDate "2024.01.13"] [UTCTime "21:15:57"] [WhiteElo "832"] [BlackElo "1079"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 { B20 Sicilian Defense } 2. d3 d6 3. f3 Nf6 4. c3 Nc6 5. f4 Bg4?! { (-0.54 → 0.10) Inaccuracy. g6 was best. } (5... g6 6. Nf3 Bg7 7. a4 e5 8. fxe5 dxe5 9. Na3 O-O 10. Be2 Nh5 11. Bg5 f6 12. Be3) 6. Qxg4?? { (0.10 → -5.81) Blunder. Nf3 was best. } (6. Nf3 g6) 6... Nxg4 7. Be2 Nf6 8. Bg4 Nxg4 9. Na3 a6 10. b3 h5 11. h4 g6 12. c4 Qa5+ 13. Ke2? { (-9.70 → Mate in 23) Checkmate is now unavoidable. Bd2 was best. } (13. Bd2 Qxa3 14. Bc3 e5 15. Nf3 b5 16. O-O b4 17. Bd2 Qb2 18. Rad1 Nd4 19. Rde1 Qxa2) 13... Qc3?! { (Mate in 23 → -11.91) Lost forced checkmate sequence. Nd4+ was best. } (13... Nd4+ 14. Kf1 Qc3 15. g3 Qxd3+ 16. Kg2 Qxe4+ 17. Kf1 Nf5 18. Rh3 Qd4 19. Ke2 Qxg1 20. Nb5) 14. Nf3 Qxa1 15. Nc2 Qxa2 16. e5 Qxc2+ 17. Bd2 Nd4+ 18. Kf1?! { (-12.97 → Mate in 4) Checkmate is now unavoidable. Nxd4 was best. } (18. Nxd4 cxd4 19. Rc1 Qxb3 20. e6 fxe6 21. c5 Qd5 22. g3 dxc5 23. Rc2 e5 24. fxe5 Nxe5) 18... Qd1+ 19. Be1 Qxf3+?! { (Mate in 4 → -12.39) Lost forced checkmate sequence. Ne3+ was best. } (19... Ne3+ 20. Kg1 Qe2 21. Bf2 Qf1+ 22. Kh2 Qxg2#) 20. Kg1?! { (-12.39 → Mate in 1) Checkmate is now unavoidable. gxf3 was best. } (20. gxf3 Nxf3 21. Bc3 dxe5 22. Kg2 Rd8 23. Rh3 Nd4 24. fxe5 Ne2 25. Bd2 Bh6 26. Bxh6 Rxh6) 20... Ne2# { Black wins by checkmate. } 0-1