lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/riHwANPn"] [Date "2021.02.22"] [Round "-"] [White "Dima_Maslennikov"] [Black "becheruluca"] [Result "1-0"] [UTCDate "2021.02.22"] [UTCTime "17:06:33"] [WhiteElo "1484"] [BlackElo "1329"] [WhiteRatingDiff "+62"] [BlackRatingDiff "-73"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Gubinsky-Melts Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. exd5 Qxd5 3. Nc3 Qd6 { B01 Scandinavian Defense: Gubinsky-Melts Defense } 4. d4 Be6?! { (0.58 → 1.47) Inaccuracy. Best move was Nf6. } (4... Nf6 5. Nf3) 5. d5?! { (1.47 → 0.92) Inaccuracy. Best move was Nf3. } (5. Nf3 Nf6) 5... Bf5? { (0.92 → 2.41) Mistake. Best move was Bd7. } (5... Bd7 6. Nf3 c6 7. Qd4 cxd5 8. Qxd5 Nc6 9. Qxd6 exd6 10. Bf4 Nf6 11. O-O-O d5 12. Kb1) 6. Nf3? { (2.41 → 1.18) Mistake. Best move was Nb5. } (6. Nb5) 6... Na6? { (1.18 → 3.49) Mistake. Best move was a6. } (6... a6 7. Qd4) 7. Bb5+ c6?? { (3.46 → 7.62) Blunder. Best move was Bd7. } (7... Bd7 8. Qe2) 8. Bf4 Qxf4?? { (6.31 → 21.83) Blunder. Best move was Qf6. } (8... Qf6 9. dxc6) 9. dxc6 Qb4?! { (21.26 → Mate in 10) Checkmate is now unavoidable. Best move was f6. } (9... f6 10. cxb7+) 10. cxb7+ Qxb5 11. Nxb5?! { (Mate in 9 → 16.62) Lost forced checkmate sequence. Best move was bxa8=Q+. } (11. bxa8=Q+ Nb8 12. Nxb5 f6 13. Qdd5 e6 14. Qxb8+ Kf7 15. Qd7+ Kg6 16. Qg3+ Bg4 17. Qe8+ Kh6) 11... Rb8 12. Nxa7 Rxb7 13. Nc6 Bd7 14. Nce5 Kd8 15. Nxf7+ Kc7 16. N3e5 Rb6?! { (13.53 → Mate in 8) Checkmate is now unavoidable. Best move was Nf6. } (16... Nf6 17. Nxh8) 17. Qxd7+ Kb8 18. Nc6+ Rxc6 19. Qxc6 e5 20. Nd8?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was O-O-O. } (20. O-O-O Be7 21. Rd7 Bg5+ 22. Nxg5 Nc5 23. Qb6+ Kc8 24. Qc7#) 20... Be7 21. Qb7# { White wins by checkmate. } 1-0