lichess dev

[Event "M35 Arena"] [Site "http://chess-academy.net/wo68yuJB"] [Date "2024.08.19"] [Round "-"] [White "ANDREI20120309"] [Black "Mateiursu"] [Result "1-0"] [UTCDate "2024.08.19"] [UTCTime "11:49:24"] [WhiteElo "1585"] [BlackElo "1147"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 { C46 Four Knights Game } 4. Qe2? { (0.36 → -1.08) Mistake. Best move was Bb5. } (4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. h3 a6 8. Bxc6 bxc6) 4... Bc5?! { (-1.08 → -0.30) Inaccuracy. Best move was d5. } (4... d5 5. exd5) 5. b3? { (-0.30 → -1.42) Mistake. Best move was Nd5. } (5. Nd5) 5... Bd4?! { (-1.42 → -0.58) Inaccuracy. Best move was O-O. } (5... O-O 6. Na4) 6. Qc4? { (-0.58 → -1.99) Mistake. Best move was Bb2. } (6. Bb2 O-O) 6... Bxc3? { (-1.99 → -0.41) Mistake. Best move was O-O. } (6... O-O) 7. Qxc3? { (-0.41 → -1.44) Mistake. Best move was dxc3. } (7. dxc3) 7... Nxe4 8. Qe3 Qg5?? { (-1.78 → 12.72) Blunder. Best move was Nd6. } (8... Nd6) 9. Qxe4?? { (12.72 → 3.39) Blunder. Best move was Nxg5. } (9. Nxg5) 9... O-O?? { (3.39 → 19.56) Blunder. Best move was Qg6. } (9... Qg6 10. Qxg6 hxg6 11. Bb2 f6 12. d4 e4 13. Nd2 d5 14. O-O-O Bg4 15. Re1 O-O-O 16. h3) 10. h4?? { (19.56 → 3.47) Blunder. Best move was Nxg5. } (10. Nxg5) 10... Re8?? { (3.47 → 21.28) Blunder. Best move was Qf6. } (10... Qf6) 11. hxg5 Re6 12. Qxh7+ Kf8 13. Ba3+ Rd6?! { (23.75 → Mate in 6) Checkmate is now unavoidable. Best move was d6. } (13... d6 14. Qh8+) 14. Nxe5 Nxe5 15. Bxd6+?! { (Mate in 8 → 22.86) Lost forced checkmate sequence. Best move was Qh8+. } (15. Qh8+ Ke7 16. Qxg7 Ng6 17. Qf6+ Ke8 18. Bxd6 cxd6 19. O-O-O a6 20. Rh8+ Nxh8 21. Re1+ Kf8) 15... Ke8?! { (22.86 → Mate in 1) Checkmate is now unavoidable. Best move was cxd6. } (15... cxd6 16. Qh8+ Ke7 17. Qxg7 Kd8 18. Qf6+ Kc7 19. Rh6 Nc6 20. Qxd6+ Kb6 21. Qb4+ Kc7 22. Qf4+) 16. Bxe5?! { (Mate in 1 → Mate in 7) Not the best checkmate sequence. Best move was Qg8#. } (16. Qg8#) 16... d6 17. Bxg7 Be6 18. Qg8+ Kd7 19. Qxa8 Bd5 20. Rh6?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Rh8. } (20. Rh8 Kc6 21. Qe8+ Kb6 22. Qb5#) 20... f5 21. Qxa7?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Rh8. } (21. Rh8 Bg8 22. Bb5+ c6 23. Qxb7+ Ke6 24. Rh6+ Kd5 25. Qxc6#) 21... f4 22. Rf6 f3 23. Bf8 fxg2 24. Qb8 gxf1=Q+ 25. Kxf1 c5 26. Rxd6# { White wins by checkmate. } 1-0