The Ryder Gambit is an aggressive line in the Blackmar–Diemer Gambit. It starts with the moves:

1.d4 d5
2.e4 dxe4
3.Nc3 Nf6
4.f3 exf3
5. Qxf3

For more chess openings check out: https://www.thechesswebsite.com/chess...