lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/2weOAhX0"] [Date "2021.02.23"] [Round "-"] [White "lion26"] [Black "rdruta"] [Result "1-0"] [UTCDate "2021.02.23"] [UTCTime "17:52:02"] [WhiteElo "1690"] [BlackElo "1259"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Normal Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. d4 { C00 French Defense: Normal Variation } Qf6? { (0.05 → 1.61) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Nc3 O-O 7. O-O) 3. Nf3 c5? { (1.20 → 2.34) Mistake. Best move was Nc6. } (3... Nc6 4. a3 d5 5. e5 Qd8 6. Bd3 Nge7 7. O-O Nf5 8. c3 Be7 9. a4 O-O 10. b4) 4. Bc4? { (2.34 → 0.44) Mistake. Best move was Nc3. } (4. Nc3 cxd4) 4... cxd4 5. Nxd4 Bc5 6. c3?! { (0.87 → 0.08) Inaccuracy. Best move was Be3. } (6. Be3 Nc6) 6... e5? { (0.08 → 1.38) Mistake. Best move was Ne7. } (6... Ne7 7. O-O) 7. O-O?? { (1.38 → -1.79) Blunder. Best move was Nf5. } (7. Nf5) 7... exd4 8. cxd4? { (-0.90 → -2.40) Mistake. Best move was e5. } (8. e5) 8... Bxd4 9. Be3?? { (-2.09 → -5.96) Blunder. Best move was Nc3. } (9. Nc3 Bxc3) 9... Bxb2 10. Qd2?? { (-4.81 → -10.80) Blunder. Best move was e5. } (10. e5) 10... Bxa1 11. Bg5 Qd6?? { (-11.24 → 8.05) Blunder. Best move was Qd4. } (11... Qd4 12. Qc2) 12. Qxd6 f6? { (7.87 → 10.03) Mistake. Best move was Nc6. } (12... Nc6 13. Na3 Be5 14. Qd5 Nh6 15. Bxh6 O-O 16. Be3 d6 17. Qd2 a6 18. f4 Bf6 19. Bd5) 13. Bf4? { (10.03 → 8.90) Mistake. Best move was Na3. } (13. Na3 Be5 14. Qd5 Nc6 15. Qf7+ Kd8 16. Qf8+ Kc7 17. Nb5+ Kb8 18. f4 Nge7 19. Qxh8 Bb2) 13... g5? { (8.90 → 11.24) Mistake. Best move was Nc6. } (13... Nc6 14. Na3) 14. Bg3 f5 15. Nd2 f4 16. Rxa1 fxg3 17. Qe5+ Ne7 18. Qxh8+ Ng8 19. Qxg8+ Ke7 20. Qf7+ Kd8 21. Rd1 gxh2+ 22. Kxh2 h5 23. Qxh5 g4 24. Qxg4 d5?! { (23.74 → Mate in 9) Checkmate is now unavoidable. Best move was b6. } (24... b6 25. Bd5) 25. Qg8+ Kc7?! { (79.04 → Mate in 10) Checkmate is now unavoidable. Best move was Ke7. } (25... Ke7) 26. Qxd5 a6 27. Rc1?! { (Mate in 7 → 25.60) Lost forced checkmate sequence. Best move was Nb3. } (27. Nb3 Nc6 28. Na5 Kb6 29. Nxc6 bxc6 30. Rb1+ Kc7 31. Qa5+ Kd7 32. Rd1+ Ke7 33. Qd8#) 27... b5?! { (25.60 → Mate in 3) Checkmate is now unavoidable. Best move was Nc6. } (27... Nc6 28. Qf7+) 28. Bxb5+ Nc6 29. Qxc6+ Kb8 30. Qc7# { White wins by checkmate. } 1-0