The Bishop's Opening Urusov Gambit

The Urusov Gambit of the Bishop's Opening is a good line to play for white. As early as move 2 white declares war. Rarely seen, it is a dangerous system and Black must defend accurately in order to survive. 1.e4 e5 2.Bc4 Nf6 3.d4!

If 3...Nxe5 then 4.dxe5 must win!

3... Nxe5 4.dxe5 Qh4
3... Nxe5 4.dxe5 Bc5
3... dxe5