[Event "Rated rapid game"] [Site "https://lichess.org/hs65w4gF"] [Date "2023.07.18"] [White "arookiemistake"] [Black "chesscoach-20"] [Result "0-1"] [UTCDate "2023.07.18"] [UTCTime "16:08:28"] [WhiteElo "1528"] [BlackElo "1500"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+259"] [Variant "Standard"] [TimeControl "600+5"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Bf4 g6 3. Nf3 { A48 London System } Bg7 4. e3 O-O 5. Bd3 d6 6. O-O Nbd7 7. Nbd2 b6 8. c4?! { (-0.03 → -0.69) Inaccuracy. Bg3 was best. } (8. Bg3 Bb7 9. c3 Re8 10. Re1 c5 11. h3 e5 12. dxe5 dxe5) 8... Bb7 9. b4 Qe8 10. a4?? { (-0.76 → -4.29) Blunder. Bc2 was best. } (10. Bc2 e5 11. Bg3 Nh5 12. d5 a5 13. a3 h6 14. h3 Nxg3 15. fxg3 Qe7 16. e4 h5) 10... e5 11. dxe5 dxe5 12. Bg5 e4 13. Bxf6 Bxf6 14. Bxe4 Bxe4 15. Nxe4 Qxe4? { (-6.21 → -3.60) Mistake. Bxa1 was best. } (15... Bxa1 16. Qxa1 Qxe4 17. Rd1 Rad8 18. h3 c5 19. b5 Qxc4 20. Rd6 f6 21. Qd1 Qf7 22. g3) 16. Qxd7 Bxa1 17. Rxa1 Qxc4 18. b5?! { (-3.90 → -5.57) Inaccuracy. h4 was best. } (18. h4 Rfd8) 18... Rad8 19. Qe7 Qxa4 20. Rxa4?? { (-6.92 → Mate in 2) Checkmate is now unavoidable. Re1 was best. } (20. Re1 Rd1) 20... Rd1+ 21. Ne1 Rxe1# { Black wins by checkmate. } 0-1