lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/KFw9Qkos"] [Date "2021.03.24"] [Round "-"] [White "CornelCoslet"] [Black "Marathon"] [Result "0-1"] [UTCDate "2021.03.24"] [UTCTime "18:04:18"] [WhiteElo "1633"] [BlackElo "1870"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+17"] [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 } d5 3. e5?! { (0.43 → -0.22) Inaccuracy. Best move was exd5. } (3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Re1 Re8) 3... c5 4. Nc3?! { (0.00 → -0.71) Inaccuracy. Best move was c3. } (4. c3 Nc6 5. d4 Bd7 6. Be2 Nge7 7. O-O cxd4 8. cxd4 Nf5) 4... Nc6?! { (-0.71 → -0.12) Inaccuracy. Best move was Ne7. } (4... Ne7 5. d4 cxd4 6. Nb5 Ng6 7. Bd3 Nc6 8. O-O Bc5 9. Re1 a6 10. Bxg6 axb5 11. Bg5) 5. Bb5 Bd7?! { (-0.73 → -0.05) Inaccuracy. Best move was Ne7. } (5... Ne7 6. O-O a6 7. Bxc6+ Nxc6 8. Ne2 d4 9. d3 Be7 10. Ng3 O-O 11. Ne4 Qd5 12. Bf4) 6. Bxc6 Bxc6 7. O-O? { (0.13 → -2.00) Mistake. Best move was d4. } (7. d4) 7... d4 8. Ne2 b6? { (-2.16 → -0.46) Mistake. Best move was Bxf3. } (8... Bxf3 9. gxf3) 9. Nf4? { (-0.46 → -2.42) Mistake. Best move was d3. } (9. d3) 9... Ne7? { (-2.42 → -0.59) Mistake. Best move was g5. } (9... g5 10. Nh5 g4 11. Ne1 Qg5 12. Ng3 h5 13. Qe2 O-O-O 14. d3 Qg7 15. Bf4 Ne7 16. Ne4) 10. Re1?! { (-0.59 → -1.49) Inaccuracy. Best move was d3. } (10. d3) 10... Ng6?! { (-1.49 → -0.67) Inaccuracy. Best move was g6. } (10... g6) 11. Nxg6?! { (-0.67 → -1.44) Inaccuracy. Best move was Nh5. } (11. Nh5 d3 12. c4 Nh4 13. Nxh4 Qxh4 14. b3 Qg5 15. Ng3 Be7 16. Bb2 O-O-O 17. f3 Qg6) 11... hxg6 12. d3 Be7 13. Bg5?? { (-1.26 → -6.87) Blunder. Best move was Qe2. } (13. Qe2 Qd5) 13... Bxg5 14. h4? { (-6.21 → -8.17) Mistake. Best move was a4. } (14. a4) 14... Bxh4 15. Nxh4? { (-8.02 → -14.85) Mistake. Best move was c4. } (15. c4 Be7) 15... Qxh4 16. Kf1?! { (-14.14 → Mate in 9) Checkmate is now unavoidable. Best move was f3. } (16. f3 g5) 16... Qh1+?! { (Mate in 9 → -24.93) Lost forced checkmate sequence. Best move was Bxg2+. } (16... Bxg2+ 17. Ke2 Bf3+ 18. Kd2 Qf4+ 19. Re3 Bxd1 20. Rxd1 dxe3+ 21. fxe3 Rh2+ 22. Kc1 Qf2 23. Rd2) 17. Ke2 Qxg2 18. Kd2 Qg5+ 19. Ke2?! { (-26.83 → Mate in 4) Checkmate is now unavoidable. Best move was Re3. } (19. Re3 dxe3+) 19... Rh2 20. Qd2 Rxf2+ 21. Kd1 Qxd2# { Black wins by checkmate. } 0-1