lichess dev

[Event "lion26 Arena"] [Site "http://chess-academy.net/AVTk5ufk"] [Date "2022.08.05"] [Round "-"] [White "voloveivlad1"] [Black "Bogdan_Castravet"] [Result "0-1"] [UTCDate "2022.08.05"] [UTCTime "16:36:29"] [WhiteElo "1377"] [BlackElo "1610"] [WhiteRatingDiff "-17"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C00"] [Opening "French Defense: Bird Invitation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Bb5?! { (0.30 → -0.46) Inaccuracy. Best move was d4. } { C00 French Defense: Bird Invitation } (2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7) 2... c6?! { (-0.46 → 0.09) Inaccuracy. Best move was a6. } (2... a6 3. Be2 d5 4. exd5 exd5 5. d4 Nf6 6. Nf3 Bd6 7. O-O) 3. Bc4?! { (0.09 → -0.81) Inaccuracy. Best move was Be2. } (3. Be2 d5 4. d3 Bd6 5. Nf3 e5 6. O-O Nf6 7. c4 O-O 8. exd5 cxd5 9. cxd5 Nxd5) 3... d5 4. Be2? { (-0.44 → -1.44) Mistake. Best move was exd5. } (4. exd5 exd5 5. Be2 Bd6 6. Nf3 Nf6 7. O-O O-O 8. d4 Nbd7 9. c4 dxc4 10. Bxc4 Nb6) 4... dxe4 5. Bf1?! { (-1.11 → -1.99) Inaccuracy. Best move was d3. } (5. d3 exd3) 5... e5 6. Qg4?? { (-1.53 → -14.89) Blunder. Best move was d3. } (6. d3 Nf6 7. Nc3 Bb4 8. Bd2 exd3 9. Bxd3 O-O 10. a3 Bd6 11. Qe2 Nbd7 12. Nf3 Nc5) 6... Bxg4 7. Be2 Bxe2 8. Nxe2 Qh4 9. g3 Qg4 10. h3 Qf5 11. g4 Qg5 12. h4 Qxg4 13. Rg1 Qxh4 14. d4 exd4 15. Nf4 e3 16. Ng2?! { (-20.20 → Mate in 4) Checkmate is now unavoidable. Best move was Nd3. } (16. Nd3 Nf6) 16... Qxf2+ 17. Kd1 Qxg1+?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was e2+. } (17... e2+ 18. Kd2 e1=Q+ 19. Kd3 Qee2#) 18. Ke2 Qxg2+ 19. Kd3 c5?! { (Mate in 6 → -41.57) Lost forced checkmate sequence. Best move was Na6. } (19... Na6 20. Nc3 Nb4+ 21. Kxd4 O-O-O+ 22. Kc4 Qxc2 23. a4 Nd3 24. b3 Ne5#) 20. Kc4?! { (-41.57 → Mate in 3) Checkmate is now unavoidable. Best move was Bxe3. } (20. Bxe3 Qf1+) 20... b6?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was Qf1+. } (20... Qf1+ 21. Kb3 Qb5+ 22. Ka3 Qb4#) 21. Kd3 e2?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qf1+. } (21... Qf1+ 22. Ke4 Nf6+ 23. Ke5 Nc6#) 22. Kd2 Qf1 23. Kd3 e1=Q# { Black wins by checkmate. } 0-1