[Event "Online Schach 5.03"] [Site "https://lichess.org/aPK0IBYj"] [Date "2021.03.05"] [White "AlderJonger"] [Black "klaus-l"] [Result "0-1"] [UTCDate "2021.03.05"] [UTCTime "17:42:22"] [WhiteElo "1815"] [BlackElo "1938"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "300+3"] [ECO "C50"] [Opening "Italian Game: Giuoco Piano"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 { C50 Italian Game: Giuoco Piano } 4. Nc3 d6 5. h3 Nf6 6. d3 O-O 7. Bg5 Be6 8. Bb3 Qe7 9. Nd5 Bxd5 10. exd5 Na5 11. c4?! { (0.08 → -0.63) Inaccuracy. Nh4 was best. } (11. Nh4 Nxb3) 11... Nxb3 12. axb3?! { (-0.57 → -1.63) Inaccuracy. Qxb3 was best. } (12. Qxb3) 12... h6 13. Bh4?! { (-1.18 → -1.81) Inaccuracy. Be3 was best. } (13. Be3 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 Nh5 16. O-O f5 17. Rfe1 Qf6 18. g3 a6 19. Qe2 g6) 13... Bb4+ 14. Nd2 e4 15. Bxf6 Qxf6 16. dxe4?? { (-2.43 → -5.21) Blunder. O-O was best. } (16. O-O exd3) 16... Qxb2 17. Rb1 Qd4 18. Qc2 Rfe8?? { (-7.13 → -3.43) Blunder. Bxd2+ was best. } (18... Bxd2+ 19. Kf1 Bb4 20. g3 Rae8 21. Rd1 Qe5 22. Kg2 Qxe4+ 23. Qxe4 Rxe4 24. Rd3 Rfe8 25. Rf3) 19. f3?! { (-3.43 → -4.86) Inaccuracy. Ke2 was best. } (19. Ke2 f5) 19... Qe3+ 20. Kd1 Qf2 21. Nf1?? { (-4.67 → Mate in 1) Checkmate is now unavoidable. Qd3 was best. } (21. Qd3) 21... Qe1# { Black wins by checkmate. } 0-1