lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/2OSeZb3a"] [Date "2021.03.04"] [Round "-"] [White "Quantum"] [Black "Andru_2010"] [Result "1-0"] [UTCDate "2021.03.04"] [UTCTime "17:16:48"] [WhiteElo "1972"] [BlackElo "1558"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C57"] [Opening "Italian Game: Two Knights Defense, Knight Attack"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 { C57 Italian Game: Two Knights Defense, Knight Attack } Qe7? { (0.21 → 2.84) Mistake. Best move was d5. } (4... d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3) 5. Bxf7+ Kd8 6. Bb3 a6?? { (2.44 → 6.69) Blunder. Best move was Ke8. } (6... Ke8) 7. Nf7+ Ke8 8. Nxh8 Nxe4? { (5.89 → 8.42) Mistake. Best move was d6. } (8... d6) 9. Qh5+ g6 10. Nxg6 Qe6? { (8.04 → 23.49) Mistake. Best move was Nf6. } (10... Nf6) 11. Nxf8+ Kxf8 12. Bxe6 dxe6 13. Qf3+ Ke7 14. Qxe4 Kd7 15. Qh4 Kd6 16. Nc3 Kc5 17. Ne4+ Kb6 18. f3 Nd4 19. Qf2 c5 20. c3 Nc6?! { (26.91 → Mate in 10) Checkmate is now unavoidable. Best move was Bd7. } (20... Bd7 21. cxd4 cxd4 22. Qg3 Bc6 23. Qxe5 Rd8 24. Nf6 Ka7 25. Qxe6 Ba4 26. Qe7 Rc8 27. Qxh7) 21. Qxc5+ Kc7 22. Qd6+ Kb6 23. a4?! { (Mate in 8 → 33.69) Lost forced checkmate sequence. Best move was d3. } (23. d3 Ka7 24. Be3+ Nd4 25. cxd4 b6 26. Qc7+ Bb7 27. Nd6 Rb8 28. dxe5 Ka8 29. Qxb6 a5) 23... Ka5?! { (33.69 → Mate in 2) Checkmate is now unavoidable. Best move was Ka7. } (23... Ka7 24. d3) 24. b4+?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Qc5+. } (24. Qc5+ b5 25. axb5#) 24... Kb6 25. a5+ Ka7 26. Qc5+ Kb8 27. Qb6?! { (Mate in 8 → 38.77) Lost forced checkmate sequence. Best move was b5. } (27. b5 Ra7 28. Qd6+ Ka8 29. bxc6 b5 30. axb6 h5 31. bxa7 Kxa7 32. Qc7+ Ka8 33. Qxc8+ Ka7) 27... Bd7 28. Nc5 Kc8?! { (30.32 → Mate in 2) Checkmate is now unavoidable. Best move was Bc8. } (28... Bc8) 29. Qxb7+ Kd8 30. Qxd7# { White wins by checkmate. } 1-0