lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/iSBNWwd3"] [Date "2021.11.30"] [Round "-"] [White "Artik"] [Black "olarudariamaria"] [Result "1-0"] [UTCDate "2021.11.30"] [UTCTime "15:31:14"] [WhiteElo "1855"] [BlackElo "1687"] [WhiteRatingDiff "+45"] [BlackRatingDiff "-18"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C48"] [Opening "Four Knights Game: Spanish Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 { C48 Four Knights Game: Spanish Variation } Nb4? { (0.09 → 2.28) Mistake. Best move was Bc5. } (4... Bc5 5. Bxc6 dxc6 6. O-O O-O 7. h3 Re8 8. d3 h6 9. Na4) 5. Nxe5 Ng4?? { (1.88 → 7.28) Blunder. Best move was c6. } (5... c6 6. Be2 d6 7. Nf3 Be7 8. O-O d5 9. e5 Ne4 10. Na4 Na6 11. c3 Nec5 12. Nxc5) 6. Nxg4 Qe7? { (6.66 → 8.02) Mistake. Best move was c6. } (6... c6 7. a3) 7. O-O Qg5?! { (7.94 → 8.60) Inaccuracy. Best move was c6. } (7... c6 8. a3) 8. d4 f5? { (8.36 → 19.43) Mistake. Best move was Qd8. } (8... Qd8 9. Ne5 Nc6 10. Nxf7 Kxf7 11. Bc4+ d5 12. Bxd5+ Be6 13. Bxe6+ Kxe6 14. d5+ Kf7 15. Qg4) 9. Bxg5 h6 10. exf5 hxg5 11. Re1+ Kf7?! { (22.93 → Mate in 7) Checkmate is now unavoidable. Best move was Kd8. } (11... Kd8 12. Ne5 c6 13. Nf7+ Kc7 14. Nxh8 b6 15. Ba4 a5 16. Bb3 Na6 17. Re8 Bb4 18. Nd5+) 12. Bc4+ d5 13. Nxd5 c6?! { (40.24 → Mate in 7) Checkmate is now unavoidable. Best move was Bd6. } (13... Bd6) 14. Nc7+ Nd5 15. Nxd5 cxd5?! { (34.08 → Mate in 6) Checkmate is now unavoidable. Best move was Bd6. } (15... Bd6 16. Nc7+) 16. Bxd5+ Be6 17. Bxe6+ Ke7 18. Bd5+?! { (Mate in 5 → 40.66) Lost forced checkmate sequence. Best move was Qf3. } (18. Qf3 Ke8 19. Qxb7 Be7 20. Qxa8+ Bd8 21. Bd5+ Kd7 22. Qc6#) 18... Kd6?! { (40.66 → Mate in 7) Checkmate is now unavoidable. Best move was Kd8. } (18... Kd8 19. Bxb7) 19. Bxb7 Rb8 20. Ba6?! { (Mate in 4 → 41.14) Lost forced checkmate sequence. Best move was Qf3. } (20. Qf3 Rxb7 21. Re6+ Kd7 22. Qc6+ Kd8 23. Re8#) 20... Rd8?! { (41.14 → Mate in 5) Checkmate is now unavoidable. Best move was Kd7. } (20... Kd7 21. Qd3) 21. Re6+ Kc7 22. Qd3?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qf3. } (22. Qf3 Rd5 23. Qxd5 Rh6 24. Qb7+ Kd8 25. Qc8#) 22... Rd5 23. Qc4+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qb3. } (23. Qb3 Bb4 24. Qxd5 Rc8 25. Qb7+ Kd8 26. Qxc8#) 23... Rc5 24. Qa4?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qb3. } (24. Qb3 Bd6 25. Qb7+ Kd8 26. dxc5 Bxh2+ 27. Nxh2 Rf8 28. Rd1#) 24... Rxf5 25. Qc6+ Kb8 26. Re8# { White wins by checkmate. } 1-0