Ponziani-Steinitz Gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Nxe4.
VARIATIONS:
5.Nxe4?! d5 6. Bxd5 Qxd5 7.d3 Be7 8.0-0 0-0
5.Nxf7? Qh4
WEBSITES:
https://lichess.org/study/search?q=Ponziani-Steinitz
https://www.chess.com/openings/Italian-Game-Knight-Attack-Ponziani-Steinitz-Gambit