ChessOnlineFree.com Replay and analyse 1qk54lk1

[Event "Casual game"]
[Site "/1qk54lk1"]
[Date "2021-09-04"]
[White "Anonymous"]
[Black "Hefti"]
[Result "1-0"]
[WhiteElo "?"]
[BlackElo "999"]
[PlyCount "25"]
[Variant "standard"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. a3 Bc5 5. b4 Bd6 6. c4 O-O 7. c5 Be7 8. Bb2 b6 9. d4 exd4 10. Nxd4 bxc5 11. Nf5 Nxe4 12. Qg4 Nd6 13. Qxg7# 1-0

View the computer analysis

https://www.ChessOnlineFree.com/game/1qk54lk1/black

Opening C42 Petrov Defense