[Event "Miércoles Chessland Arena"] [Site "https://lichess.org/hIyH3ZO3"] [Date "2021.11.11"] [White "IkerOseguera"] [Black "Mariano-Madrid"] [Result "0-1"] [UTCDate "2021.11.11"] [UTCTime "00:07:33"] [WhiteElo "821"] [BlackElo "1696"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C20"] [Opening "Portuguese Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bb5 { C20 Portuguese Opening } c6 3. Bc4 Bc5?! { (-0.64 → -0.03) Inaccuracy. d5 was best. } (3... d5 4. exd5 cxd5 5. Bb5+ Nc6 6. d4 e4 7. Ne2 a6 8. Ba4) 4. d3?! { (-0.03 → -0.80) Inaccuracy. d4 was best. } (4. d4 Bxd4 5. Nf3 d5 6. exd5 cxd5 7. Nxd4 exd4 8. Bb5+ Bd7) 4... Nf6 5. Qf3? { (-0.43 → -1.88) Mistake. Nf3 was best. } (5. Nf3 d5 6. exd5 cxd5 7. Bb5+ Nbd7 8. Nxe5 O-O 9. d4 Qa5+) 5... b5? { (-1.88 → -0.47) Mistake. d5 was best. } (5... d5 6. Bb3 a5 7. c3 Ng4 8. Nh3 a4 9. Bc2 O-O 10. O-O f5 11. Qe2 fxe4 12. dxe4) 6. Nh3?? { (-0.47 → -8.00) Blunder. Bb3 was best. } (6. Bb3) 6... bxc4 7. dxc4 Bb6 8. Qb3 Nxe4 9. Nf4 exf4 10. f3 Nf2 11. Rf1 Qe7+ 12. Be3 Bxe3 13. c5 Bc1+ 14. Kxf2 Qxc5+ 15. Ke2 O-O 16. Rxc1 Re8+ 17. Kf1 Ba6+ 18. Qd3?! { (-10.18 → Mate in 3) Checkmate is now unavoidable. c4 was best. } (18. c4) 18... Bxd3+ 19. cxd3 Qxc1+ 20. Kf2 Qe1# { Black wins by checkmate. } 0-1