lichess dev

[Event "Guimard Arena"] [Site "http://chess-academy.net/cCk1lGi0"] [Date "2025.02.11"] [Round "-"] [White "Robert2015"] [Black "A8888888888888888888"] [Result "0-1"] [UTCDate "2025.02.11"] [UTCTime "17:14:44"] [WhiteElo "1430"] [BlackElo "1151"] [WhiteRatingDiff "-212"] [BlackRatingDiff "+39"] [Variant "Standard"] [TimeControl "420+0"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e4? { (0.53 → -0.55) Mistake. Best move was c4. } { D00 Blackmar-Diemer Gambit } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... dxe4 3. Nc3 Nf6 4. f3 exf3 5. gxf3? { (-0.47 → -2.11) Mistake. Best move was Nxf3. } (5. Nxf3 g6) 5... e6? { (-2.11 → -0.94) Mistake. Best move was Nc6. } (5... Nc6 6. Nge2 Bf5 7. d5 Nb4 8. Nd4 Qd7 9. a3 Nbxd5 10. Nxd5 Nxd5 11. Nxf5 Qxf5 12. Qd3) 6. f4?! { (-0.94 → -1.88) Inaccuracy. Best move was Bg5. } (6. Bg5 Nc6) 6... Nd5?! { (-1.88 → -1.27) Inaccuracy. Best move was Nc6. } (6... Nc6 7. Nf3 g6 8. Rg1 Bg7 9. Be3 Nd5 10. Nxd5 exd5 11. Qd2 O-O 12. O-O-O Bf5 13. Kb1) 7. Nf3 Nxc3?! { (-1.67 → -1.02) Inaccuracy. Best move was Bd6. } (7... Bd6 8. Nxd5) 8. bxc3 Be7?! { (-1.65 → -0.84) Inaccuracy. Best move was Nc6. } (8... Nc6) 9. Ba3?? { (-0.84 → -6.66) Blunder. Best move was Qd3. } (9. Qd3) 9... Bxa3 10. Bb5+? { (-6.03 → -8.22) Mistake. Best move was Qd2. } (10. Qd2) 10... c6 11. Ba4? { (-7.64 → -9.90) Mistake. Best move was Be2. } (11. Be2) 11... Qf6? { (-9.90 → -7.47) Mistake. Best move was b5. } (11... b5 12. Bb3 a5 13. O-O a4 14. Qd3 O-O 15. c4 axb3 16. axb3 b4 17. Ra2 Bb7 18. Ng5) 12. Ng5? { (-7.47 → -10.79) Mistake. Best move was Qd3. } (12. Qd3 Bd6) 12... Qxf4 13. h3 Qxg5 14. Ke2 Qg2+ 15. Kd3 b6 16. Rg1 Qxh3+ 17. Kc4 b5+ 18. Kb3 bxa4+ 19. Kxa3?! { (-18.59 → Mate in 4) Checkmate is now unavoidable. Best move was Kxa4. } (19. Kxa4 Bb2) 19... Qxc3+ 20. Kxa4 Ba6?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Nd7. } (20... Nd7 21. Rb1 Nb6+ 22. Rxb6 axb6#) 21. Qe2 Bxe2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bb5+. } (21... Bb5+ 22. Qxb5 cxb5+ 23. Kxb5 a5 24. Rab1 Qc6#) 22. Rxg7 Bb5# { Black wins by checkmate. } 0-1