Chess Opening Theory/1. e4/1...e5/2. Nf3/2...c5/3. Nxe5/3...f6/4. Qh5/4...g6/5. Nxg6

This move appears to lose a knight, but wins a rook instead. Black's only try is 5...hxg6.

1.e4 e5 2.Nf3 c5? 3.Nxe5! f6? 4.Qh5+! g6 5.Nxg6!!