[Event "Monthly Classical Arena"] [Site "https://lichess.org/3SjsT3gy"] [Date "2021.01.01"] [White "oussamafadli"] [Black "Etk-325"] [Result "0-1"] [UTCDate "2021.01.01"] [UTCTime "18:40:59"] [WhiteElo "2023"] [BlackElo "1883"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+19"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Accelerated London System } Nf6 3. e3 c5 4. Nd2 Nc6 5. c3 e6 6. Ngf3 Bd6 7. Bg3 Qe7 8. Bd3 cxd4 9. exd4 e5 10. O-O?? { (0.82 → -1.28) Blunder. dxe5 was best. } (10. dxe5) 10... e4 11. Re1 O-O? { (-1.47 → -0.07) Mistake. Bxg3 was best. } (11... Bxg3 12. hxg3 Be6 13. Nxe4 dxe4 14. Bxe4 Nxe4 15. Rxe4 O-O-O 16. c4 Qb4 17. b3 Bf5 18. Rf4) 12. Bc2? { (-0.07 → -1.72) Mistake. c4 was best. } (12. c4 Bxg3 13. hxg3 Be6 14. cxd5 Bxd5 15. Ng5 h6 16. Ngxe4 Nxd4 17. Nf3 Nxf3+ 18. Qxf3 Rad8) 12... Bg4? { (-1.72 → -0.47) Mistake. Qc7 was best. } (12... Qc7) 13. h3?! { (-0.47 → -1.31) Inaccuracy. c4 was best. } (13. c4) 13... Bh5 14. Qc1 Bxg3 15. fxg3 Qc7 16. Nh2 Qxg3 17. c4?? { (-2.28 → -6.79) Blunder. Ndf1 was best. } (17. Ndf1 Qc7) 17... Nxd4 18. cxd5 Nf3+? { (-8.12 → -4.29) Mistake. Bf3 was best. } (18... Bf3 19. Ndxf3) 19. Ndxf3 exf3 20. Qe3?? { (-4.39 → Mate in 1) Checkmate is now unavoidable. Qd2 was best. } (20. Qd2) 20... Qxg2# { Black wins by checkmate. } 0-1