lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/3PsH7LyB"] [Date "2021.01.14"] [Round "-"] [White "Josan_Dragos_14289"] [Black "OtiCoolUwU"] [Result "1-0"] [UTCDate "2021.01.14"] [UTCTime "17:00:01"] [WhiteElo "1539"] [BlackElo "1528"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 e5? { (-0.02 → 1.63) Mistake. Best move was e6. } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. e4? { (1.63 → 0.22) Mistake. Best move was Nxe5. } (2. Nxe5) 2... Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } { C42 Petrov's Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. b3? { (0.73 → -0.85) Mistake. Best move was Nxe5. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6) 3... Nc6? { (-0.85 → 0.30) Mistake. Best move was Nxe4. } (3... Nxe4 4. Bb2) 4. Bb2?! { (0.30 → -0.52) Inaccuracy. Best move was Bb5. } (4. Bb5 Nxe4) 4... Bc5 5. Bc4? { (-0.07 → -2.09) Mistake. Best move was Bb5. } (5. Bb5) 5... O-O? { (-2.09 → -0.08) Mistake. Best move was Nxe4. } (5... Nxe4 6. O-O O-O 7. d4 exd4 8. Bd5 Nf6 9. Bxc6 dxc6 10. Bxd4 Bxd4 11. Qxd4 Qxd4 12. Nxd4) 6. Nc3?! { (-0.08 → -0.91) Inaccuracy. Best move was d3. } (6. d3) 6... Ng4? { (-0.91 → 0.74) Mistake. Best move was a6. } (6... a6 7. O-O d6 8. h3 Nd4 9. Nd5 Nxe4 10. Nxd4 exd4 11. b4 Ba7 12. d3 Ng5 13. f4) 7. O-O Qf6? { (0.05 → 2.53) Mistake. Best move was Nf6. } (7... Nf6 8. Nd5 d6 9. Re1 Be6 10. h3 Nd4 11. Bxd4 Bxd4 12. c3 Bxd5 13. Bxd5 Nxd5 14. exd5) 8. Nd5? { (2.53 → 1.51) Mistake. Best move was h3. } (8. h3) 8... Qh6?! { (1.51 → 2.46) Inaccuracy. Best move was Qd8. } (8... Qd8 9. h3) 9. h3 Nxf2? { (1.66 → 3.82) Mistake. Best move was Nf6. } (9... Nf6 10. Nxc7 Rb8 11. Nxe5 Bd6 12. Nxc6 dxc6 13. e5 Bxc7 14. exf6 Bxh3 15. fxg7 Rfd8 16. Qf3) 10. Rxf2 Bxf2+ 11. Kxf2 Qh4+?? { (3.14 → 19.32) Blunder. Best move was d6. } (11... d6) 12. Nxh4 Nb4 13. Bxe5 d6 14. Nxb4 Kh8 15. Bf4 f5?! { (23.07 → Mate in 8) Checkmate is now unavoidable. Best move was Be6. } (15... Be6 16. Nd5) 16. e5?! { (Mate in 8 → 25.12) Lost forced checkmate sequence. Best move was Qh5. } (16. Qh5 d5 17. Ng6+ Kg8 18. Bxd5+ Be6 19. Bxe6+ Rf7 20. Bxf7+ Kxf7 21. Qxf5+ Ke8 22. Qe6+ Kd8) 16... g5?! { (25.12 → Mate in 8) Checkmate is now unavoidable. Best move was Bd7. } (16... Bd7 17. exd6) 17. Bxg5 f4 18. exd6?! { (Mate in 6 → 35.79) Lost forced checkmate sequence. Best move was Qh5. } (18. Qh5 d5 19. Bxd5 Bf5 20. Qh6 Be6 21. Bf6+ Rxf6 22. Qxf6+ Kg8 23. Bxe6#) 18... f3 19. Nxf3 Bd7?! { (32.41 → Mate in 11) Checkmate is now unavoidable. Best move was Be6. } (19... Be6 20. Bxe6) 20. Qe2 Rae8 21. Qd3 Bf5?! { (46.67 → Mate in 3) Checkmate is now unavoidable. Best move was Re5. } (21... Re5 22. Kg1) 22. Qd4+ Rf6 23. Qxf6# { White wins by checkmate. } 1-0