lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/KVQb8eas"] [Date "2021.03.18"] [Round "-"] [White "Stefan_Vasilis"] [Black "Bulllet"] [Result "0-1"] [UTCDate "2021.03.18"] [UTCTime "17:10:55"] [WhiteElo "1274"] [BlackElo "1580"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+50"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Qf3? { (0.41 → -0.83) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Nf6 3. Bc4? { (-0.79 → -1.94) Mistake. Best move was c4. } (3. c4 Be7 4. d4 exd4 5. exd4 d5 6. Qd1 O-O 7. Be2 dxc4 8. Bxc4 c5 9. Nf3 Nc6) 3... d5 4. Bb5+?! { (-1.60 → -2.32) Inaccuracy. Best move was Bb3. } (4. Bb3 a5) 4... c6 5. Bd3? { (-2.00 → -4.87) Mistake. Best move was Bf1. } (5. Bf1 Bg4) 5... e4 6. Qf4?? { (-4.50 → -8.58) Blunder. Best move was Bxe4. } (6. Bxe4 dxe4 7. Qd1 Bd6 8. Nc3 O-O 9. Nge2 Bf5 10. h3 Nbd7 11. d4 Re8 12. Bd2 h5) 6... Bd6 7. Qg5?! { (-8.25 → -8.85) Inaccuracy. Best move was Qh4. } (7. Qh4 g5 8. Qxg5 exd3 9. Qh4 dxc2 10. Nc3 Rg8 11. Kf1 Rg4 12. Qh6 Na6 13. f3 Rg6) 7... exd3 8. cxd3? { (-8.12 → -9.44) Mistake. Best move was c4. } (8. c4 Na6) 8... h6 9. Qxg7? { (-8.67 → -10.45) Mistake. Best move was Qh4. } (9. Qh4) 9... Rh7 10. Qg6 fxg6 11. f4 Qb6 12. f5 Qc5 13. d4 Qxc1+ 14. Ke2 Qxb2 15. Na3 Qxa1 16. Kf2?! { (-37.36 → Mate in 7) Checkmate is now unavoidable. Best move was Nc2. } (16. Nc2 Qxa2) 16... Ne4+ 17. Kf3 Bxf5?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Qf1+. } (17... Qf1+ 18. Kg4 Qxf5+ 19. Kh4 Be7#) 18. g4 Qf1# { Black wins by checkmate. } 0-1