lichess dev

[Event "iustandup Arena"] [Site "http://chess-academy.net/CsXqOxzT"] [Date "2020.06.25"] [Round "-"] [White "Arthur-Dan"] [Black "catana"] [Result "1-0"] [UTCDate "2020.06.25"] [UTCTime "14:47:57"] [WhiteElo "1500"] [BlackElo "1591"] [WhiteRatingDiff "+211"] [BlackRatingDiff "-97"] [Variant "Standard"] [TimeControl "300+2"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Old Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. c4 dxc4 3. e3 { D20 Queen's Gambit Accepted: Old Variation } Nf6 4. Bxc4 Nc6?! { (0.27 → 0.93) Inaccuracy. Best move was e6. } (4... e6 5. Nf3) 5. Nc3?! { (0.93 → -0.05) Inaccuracy. Best move was Nf3. } (5. Nf3 Bf5) 5... e6? { (-0.05 → 1.00) Mistake. Best move was e5. } (5... e5 6. Nf3 exd4 7. exd4 Bd6 8. h3 h6 9. O-O O-O 10. Qc2 Ne7 11. Qb3 c6 12. Ne5) 6. Nf3 Bb4 7. Bd2?! { (1.22 → 0.47) Inaccuracy. Best move was a3. } (7. a3 Bd6) 7... O-O 8. O-O?! { (1.00 → 0.39) Inaccuracy. Best move was h3. } (8. h3 Ne7) 8... Qd6? { (0.39 → 1.68) Mistake. Best move was Bd6. } (8... Bd6) 9. a3 Ng4?? { (1.23 → 6.53) Blunder. Best move was Bxc3. } (9... Bxc3 10. Bxc3) 10. axb4?! { (6.53 → 5.66) Inaccuracy. Best move was Ne4. } (10. Ne4 Qe7) 10... Nxb4? { (5.66 → 7.02) Mistake. Best move was Qxb4. } (10... Qxb4 11. Bd3) 11. Nb5? { (7.02 → 5.84) Mistake. Best move was e4. } (11. e4 Qd7) 11... Qe7 12. Bxb4? { (6.45 → 5.39) Mistake. Best move was Nxa7. } (12. Nxa7) 12... Qxb4 13. Bd3? { (6.01 → 4.54) Mistake. Best move was Nxc7. } (13. Nxc7 Rb8) 13... c6? { (4.54 → 6.03) Mistake. Best move was Bd7. } (13... Bd7 14. Nc3) 14. Ng5? { (6.03 → 4.36) Mistake. Best move was Nc7. } (14. Nc7 Rb8) 14... f6?? { (4.36 → 14.34) Blunder. Best move was Nf6. } (14... Nf6) 15. Bxh7+ Kh8 16. Qxg4 Qxb5 17. Qh5?? { (15.59 → 1.12) Blunder. Best move was f4. } (17. f4 fxg5 18. Bg6 Rf5 19. Qh5+ Kg8 20. e4 Rf7 21. Bxf7+ Kf8 22. Qh8+ Kxf7 23. fxg5+ Qxf1+) 17... fxg5?? { (1.12 → Mate in 2) Checkmate is now unavoidable. Best move was Qxg5. } (17... Qxg5 18. Qxg5 fxg5 19. Bc2 b6 20. Be4 Bb7 21. Rfc1 Rfc8 22. b4 a6 23. f3 Kg8 24. Kf2) 18. Bg6+ Kg8 19. Qh7# { White wins by checkmate. } 1-0