lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/wh4gKsiF"] [Date "2020.11.28"] [Round "-"] [White "France_Defence"] [Black "Josan_Dragos_14289"] [Result "1-0"] [UTCDate "2020.11.28"] [UTCTime "18:07:33"] [WhiteElo "2077"] [BlackElo "1688"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 Nc6?! { (-0.02 → 0.65) Inaccuracy. Best move was e6. } { A04 Zukertort Opening: Black Mustang Defense } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. c4?! { (0.65 → -0.18) Inaccuracy. Best move was d4. } (2. d4 d5 3. e3 Nf6 4. c4 Bg4 5. cxd5 Bxf3 6. gxf3 Qxd5) 2... Nf6? { (-0.18 → 0.99) Mistake. Best move was e5. } (2... e5 3. Nc3) 3. d4 e6 4. d5? { (0.89 → -0.53) Mistake. Best move was a3. } (4. a3) 4... exd5 5. cxd5 Nb8? { (-0.68 → 1.04) Mistake. Best move was Bb4+. } (5... Bb4+ 6. Nc3 Ne7 7. e4 Nxe4 8. Qd4 Nxc3 9. bxc3 Ba5 10. Qxg7) 6. Nc3?! { (1.04 → 0.05) Inaccuracy. Best move was a3. } (6. a3 Bc5 7. b4 Bb6 8. d6 a5 9. b5 cxd6 10. Nc3 d5 11. Nxd5 Nxd5 12. Qxd5 Qf6) 6... Bb4 7. Bd2?! { (0.53 → -0.09) Inaccuracy. Best move was Qb3. } (7. Qb3) 7... c6?! { (-0.09 → 0.49) Inaccuracy. Best move was O-O. } (7... O-O) 8. dxc6?! { (0.49 → -0.05) Inaccuracy. Best move was e3. } (8. e3 cxd5 9. Qb3 Nc6 10. Bb5 O-O 11. O-O Bxc3 12. Bxc3 d6) 8... bxc6?! { (-0.05 → 0.71) Inaccuracy. Best move was Nxc6. } (8... Nxc6 9. e3 O-O 10. Bd3 d5 11. O-O Re8 12. h3 Ne4 13. a3 Ba5 14. Rc1 Bf5 15. Be1) 9. a3?! { (0.71 → 0.17) Inaccuracy. Best move was Qa4. } (9. Qa4 a5) 9... Bxc3?! { (0.17 → 0.90) Inaccuracy. Best move was Ba5. } (9... Ba5) 10. Bxc3 d5?! { (0.30 → 0.85) Inaccuracy. Best move was O-O. } (10... O-O) 11. e3 c5? { (0.50 → 2.28) Mistake. Best move was O-O. } (11... O-O 12. b4) 12. b4? { (2.28 → 0.84) Mistake. Best move was Bxf6. } (12. Bxf6 gxf6) 12... cxb4? { (0.84 → 2.19) Mistake. Best move was c4. } (12... c4 13. Qc2) 13. Bxb4? { (2.19 → 1.16) Mistake. Best move was axb4. } (13. axb4 O-O 14. Be2 Ne4 15. Bb2 Nc6 16. b5 Ne7 17. Nd4 Be6 18. O-O Re8 19. Rc1 Nf5) 13... Nc6? { (1.16 → 3.66) Mistake. Best move was a5. } (13... a5 14. Bc5 Ba6 15. Bxa6 Nxa6 16. Qa4+ Nd7 17. Bd4 Rc8 18. Qb3 Nac5 19. Qxd5 Nd3+ 20. Kf1) 14. Bb5 Bd7 15. Bxc6 Bxc6 16. O-O? { (3.22 → 1.69) Mistake. Best move was Qd4. } (16. Qd4 Nd7) 16... d4?? { (1.69 → 7.72) Blunder. Best move was a5. } (16... a5) 17. Nxd4?? { (7.72 → 3.53) Blunder. Best move was exd4. } (17. exd4) 17... Qd6?? { (3.53 → 22.62) Blunder. Best move was a5. } (17... a5) 18. Bxd6 O-O-O?! { (21.45 → Mate in 8) Checkmate is now unavoidable. Best move was Bd7. } (18... Bd7 19. Qf3 Rb8 20. Bxb8 O-O 21. Bxa7 h6 22. Rfc1 Bg4 23. Qb7 Rd8 24. Rc7 Bh5 25. Rc8) 19. Nxc6 Rde8 20. Ne7+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rb1. } (20. Rb1 Kd7 21. Bb8+ Ke6 22. Rb5 Nd5 23. Qxd5+ Kf6 24. Qf5#) 20... Kd7 21. Bb4+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bb8+. } (21. Bb8+ Nd5 22. Qxd5+ Kxe7 23. Qd6#) 21... Ke6 22. Qd6# { White wins by checkmate. } 1-0