ChessOnlineFree.com Replay and analyse lq4q5qa9

[Event "Rated game"]
[Site "/lq4q5qa9"]
[Date "2021-01-01"]
[White "Karpov"]
[Black "flens77"]
[Result "0-1"]
[WhiteElo "1363"]
[BlackElo "1658"]
[PlyCount "50"]
[Variant "standard"]

1. f4 Nf6 2. e3 c5 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 d5 7. Ne5 d4 8. exd4 cxd4 9. O-O Nfd7 10. Nxd7 Bxd7 11. d3 Nc6 12. Bg4 Nb4 13. Bxd7 Qxd7 14. a3 Nd5 15. Bc1 e5 16. fxe5 Rae8 17. Bd2 Rxe5 18. Re1 Rfe8 19. Rxe5 Bxe5 20. a4 Qc7 21. g3 Bxg3 22. hxg3 Qxg3+ 23. Kf1 Re5 24. Na3 Rf5+ 25. Ke2 Qf2# 0-1

View the computer analysis

https://www.ChessOnlineFree.com/game/lq4q5qa9/black

Opening A02 Bird's Opening