lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/O4z7LoBx"] [Date "2021.01.04"] [Round "-"] [White "Rozzum"] [Black "IrinaR"] [Result "1-0"] [UTCDate "2021.01.04"] [UTCTime "17:33:42"] [WhiteElo "1500"] [BlackElo "1384"] [WhiteRatingDiff "+126"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } Bc5? { (0.00 → 1.40) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bb5+ c6 6. Bd3 Qe7+ 7. Be2) 3. Bc4? { (1.40 → -0.25) Mistake. Best move was d4. } (3. d4 Bb6) 3... Qh4?? { (-0.25 → 13.64) Blunder. Best move was d5. } (3... d5 4. exd5 exd5 5. Be2 Nf6 6. O-O O-O 7. d4 Bb6 8. Be3 Bf5 9. c4 c6 10. Nc3) 4. Nxh4 d6 5. d4 Bb6 6. Nc3 Nf6 7. e5 dxe5 8. dxe5 Nfd7 9. Bb5 c6 10. Ba4 Rg8 11. O-O g5 12. Nf3 g4 13. Nd4 c5 14. Ndb5 g3 15. hxg3 Nxe5 16. Nd6+ Ke7 17. Nxc8+ Rxc8 18. Bg5+ f6 19. Bf4 Nc4 20. Re1 Nxb2?! { (22.19 → Mate in 5) Checkmate is now unavoidable. Best move was e5. } (20... e5 21. Qd5) 21. Qd5?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rxe6+. } (21. Rxe6+ Kf7 22. Qh5+ Kg8 23. Re7 Nxa4 24. Qxh7+ Kf8 25. Bh6#) 21... e5 22. Qxb7+?! { (Mate in 5 → Mate in 10) Not the best checkmate sequence. Best move was Bxe5. } (22. Bxe5 fxe5 23. Rxe5+ Kf6 24. Qe6+ Kg7 25. Rg5+ Kf8 26. Qf6#) 22... Ke6 23. Bb3+?! { (Mate in 6 → 29.69) Lost forced checkmate sequence. Best move was Qd5+. } (23. Qd5+ Ke7 24. Bxe5 fxe5 25. Rxe5+ Kf8 26. Qf3+ Kg7 27. Rg5+ Kh6 28. Qf6#) 23... Kf5?! { (29.69 → Mate in 2) Checkmate is now unavoidable. Best move was c4. } (23... c4 24. Qxc8+) 24. Qxc8+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxh7+. } (24. Qxh7+ Kg4 25. f3#) 24... Kg6 25. Qe8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qg4#. } (25. Qg4#) 25... Kg7 26. Qf7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qg8#. } (26. Qg8#) 26... Kh8 27. Qf8# { White wins by checkmate. } 1-0