lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/OHjas0TD"] [Date "2020.12.16"] [Round "-"] [White "lokki_9"] [Black "chiril"] [Result "1-0"] [UTCDate "2020.12.16"] [UTCTime "17:03:54"] [WhiteElo "1861"] [BlackElo "1056"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-1"] [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 } Nc6? { (0.05 → 1.29) 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?! { (1.29 → 0.64) Inaccuracy. Best move was c3. } (3. c3) 3... d6?! { (0.64 → 1.40) Inaccuracy. Best move was d5. } (3... d5 4. e5 Nge7 5. h4 f6 6. c3 fxe5 7. dxe5 Ng6 8. Qe2) 4. Nc3?! { (1.40 → 0.58) Inaccuracy. Best move was c3. } (4. c3) 4... e5?! { (0.58 → 1.41) Inaccuracy. Best move was Nf6. } (4... Nf6 5. Be2) 5. d5?! { (1.41 → 0.42) Inaccuracy. Best move was Bb5. } (5. Bb5) 5... Nb8?! { (0.42 → 1.05) Inaccuracy. Best move was Nce7. } (5... Nce7) 6. Be3 a6?! { (0.57 → 1.18) Inaccuracy. Best move was Nf6. } (6... Nf6 7. h3) 7. Bd3 a5?! { (0.89 → 1.84) Inaccuracy. Best move was Be7. } (7... Be7 8. O-O) 8. h3 f6? { (1.32 → 2.51) Mistake. Best move was Nf6. } (8... Nf6) 9. O-O? { (2.51 → 1.36) Mistake. Best move was Qd2. } (9. Qd2 Bd7) 9... a4? { (1.36 → 2.67) Mistake. Best move was Ne7. } (9... Ne7) 10. Nxa4? { (2.67 → -0.04) Mistake. Best move was Nd2. } (10. Nd2 g6) 10... Be7?? { (-0.04 → 3.62) Blunder. Best move was Rxa4. } (10... Rxa4 11. Bb5+) 11. c3? { (3.62 → 2.40) Mistake. Best move was c4. } (11. c4) 11... Nh6?! { (2.40 → 3.07) Inaccuracy. Best move was Bd7. } (11... Bd7) 12. Bxh6 O-O?? { (3.02 → 6.12) Blunder. Best move was gxh6. } (12... gxh6 13. Nh4) 13. Be3 b5? { (6.04 → 7.98) Mistake. Best move was Bd7. } (13... Bd7 14. b3) 14. Bxb5 Na6? { (6.96 → 8.51) Mistake. Best move was f5. } (14... f5) 15. Qe2?! { (8.51 → 7.89) Inaccuracy. Best move was Bc6. } (15. Bc6 Bd7 16. b4 Rc8 17. Nb2 Nb8 18. Bb7 f5 19. exf5 Bxf5 20. g4 Bg6 21. Bxc8 Qxc8) 15... Qd7? { (7.89 → 15.60) Mistake. Best move was Nb8. } (15... Nb8 16. c4) 16. Bxd7 Bxd7 17. Nb6 Bc8 18. Nxa8 Bb7 19. Nxc7 Rc8 20. Nxa6 Bxa6 21. Qxa6 Rc6?! { (29.67 → Mate in 7) Checkmate is now unavoidable. Best move was Rd8. } (21... Rd8 22. Qb7) 22. dxc6 Kf8 23. c7 Ke8 24. c8=Q+ Bd8 25. Qac6+ Ke7 26. Qxd8+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Q8d7+. } (26. Q8d7+ Kf8 27. Qe8#) 26... Kxd8 27. Bb6+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Nxe5. } (27. Nxe5 dxe5 28. Bc5 h6 29. Rad1#) 27... Ke7 28. Bc7?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Nh4. } (28. Nh4 g6 29. Qc7+ Ke8 30. Qxh7 g5 31. Ng6 g4 32. Qe7#) 28... Ke6 29. Qxd6+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qe8#. } (29. Qe8#) 29... Kf7 30. Nxe5+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qd7+. } (30. Qd7+ Kg6 31. Qf5+ Kh6 32. Bb8 g5 33. Qxf6+ Kh5 34. Qxg5#) 30... Ke8 31. Qd7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd8#. } (31. Qd8#) 31... Kf8 32. Qf7# { White wins by checkmate. } 1-0