lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/aDN2IGIc"] [Date "2021.11.26"] [Round "-"] [White "Dancer"] [Black "Mariaj"] [Result "1-0"] [UTCDate "2021.11.26"] [UTCTime "17:20:01"] [WhiteElo "1842"] [BlackElo "1562"] [WhiteRatingDiff "+32"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B00"] [Opening "Nimzowitsch Defense: Mikenas Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. d4 d6? { (0.34 → 1.36) Mistake. Best move was d5. } { B00 Nimzowitsch Defense: Mikenas Variation } (2... d5 3. e5) 3. d5 a5?? { (0.91 → 4.09) Blunder. Best move was Nb8. } (3... Nb8) 4. dxc6 bxc6 5. Bc4?! { (4.17 → 3.48) Inaccuracy. Best move was Nf3. } (5. Nf3 e6 6. Bd3 Nf6 7. O-O Be7 8. Nbd2 a4 9. c4 Nd7 10. Bc2 O-O 11. Bxa4 Bb7) 5... d5? { (3.48 → 5.09) Mistake. Best move was e6. } (5... e6 6. Nf3 Nf6 7. Bd3 Be7 8. c4 O-O 9. O-O Bb7 10. Nc3 Nd7 11. b3 c5 12. Qc2) 6. exd5 cxd5? { (4.79 → 7.40) Mistake. Best move was Bb7. } (6... Bb7 7. Nc3) 7. Bxd5 e5?? { (6.62 → 11.14) Blunder. Best move was Be6. } (7... Be6) 8. Bxf7+? { (11.14 → 8.04) Mistake. Best move was Bxa8. } (8. Bxa8 Qxd1+ 9. Kxd1 Bc5 10. Nf3 f6 11. Be3 Bxe3 12. fxe3 Ne7 13. Be4 O-O 14. Nc3 Bf5) 8... Kxf7? { (8.04 → 14.66) Mistake. Best move was Ke7. } (8... Ke7 9. Qf3) 9. Qxd8 g5 10. Qxc7+ Ke8 11. Qxe5+ Be7 12. Qxh8 h6 13. Qxg8+ Kd7 14. Nc3 Ba6 15. Qxa8 a4?! { (41.86 → Mate in 8) Checkmate is now unavoidable. Best move was Bc8. } (15... Bc8 16. Bd2) 16. Qxa6 Kd8 17. Qxa4 Kc7 18. Be3 Kc8 19. O-O-O Kb8 20. Qd7?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qa7+. } (20. Qa7+ Kc8 21. Qa8+ Kc7 22. Nb5#) 20... Ka8 21. Qxe7?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qa7#. } (21. Qa7#) 21... Kb8 22. Rd8# { White wins by checkmate. } 1-0