[Event "Weekly Classical Arena"] [Site "https://lichess.org/4PHZrbpr"] [Date "2020.12.25"] [White "Errante91"] [Black "ManuRWalsh"] [Result "0-1"] [UTCDate "2020.12.25"] [UTCTime "21:29:28"] [WhiteElo "2012"] [BlackElo "1811"] [WhiteRatingDiff "-147"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "D20"] [Opening "Queen's Gambit Accepted"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 { D20 Queen's Gambit Accepted } 3. Nc3 Nf6 4. e4 e6?! { (-0.40 → 0.56) Inaccuracy. e5 was best. } (4... e5 5. Nf3 exd4 6. Qxd4 Qxd4 7. Nxd4 Bc5 8. Be3 Ng4 9. Nd5) 5. Bxc4 c5 6. dxc5?! { (0.53 → -0.05) Inaccuracy. d5 was best. } (6. d5 exd5 7. Nxd5 Nxd5 8. Bxd5 Be7 9. Ne2 Nc6 10. Bxc6+ bxc6) 6... Qa5? { (-0.05 → 1.36) Mistake. Qxd1+ was best. } (6... Qxd1+ 7. Kxd1 Bxc5 8. Ke2 a6 9. Nf3 b5 10. Bd3 Bb7 11. e5) 7. Be3?? { (1.36 → -0.42) Blunder. Qe2 was best. } (7. Qe2 Bxc5) 7... Nxe4 8. Qd4 Nxc5 9. O-O-O?! { (-0.10 → -1.04) Inaccuracy. Nf3 was best. } (9. Nf3 Nc6 10. Qf4 Be7 11. O-O O-O 12. Rfd1 Nd7 13. Bb5 Nf6 14. Qg3 Rd8 15. Rxd8+ Qxd8) 9... Nc6 10. Bb5 Bd7 11. b4?? { (-1.14 → -9.79) Blunder. Qf4 was best. } (11. Qf4 f6 12. Nf3 e5 13. Qc4 Be6 14. Qe2 a6 15. Bc4 Bxc4 16. Qxc4 Qb4 17. Qe2 Rc8) 11... Nxd4?? { (-9.79 → -3.59) Blunder. Qa3+ was best. } (11... Qa3+) 12. bxa5?? { (-3.59 → -7.78) Blunder. Bxd7+ was best. } (12. Bxd7+ Nxd7) 12... Nxb5 13. Nxb5 Bxb5 14. Nf3 Nd3+ 15. Kc2 Rc8+ 16. Kb3 Bc4+ 17. Ka4? { (-8.40 → Mate in 1) Checkmate is now unavoidable. Kc2 was best. } (17. Kc2 Bb5+ 18. Kb1 Ba4 19. Nd4 Bxd1 20. Rxd1 Nb4 21. Rd2 h5 22. Nc2 Nd5 23. Bxa7 Bc5) 17... Nb2# { Black wins by checkmate. } 0-1