Vienna - Hamppe-Muzio gambit
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O
White moves the king's pawn to e4. Black pushes the king's pawn to e5. White develops the knight to c3.
Black develops the knight to c6. White advances the f-pawn to f4. Black captures on f4 with the king's pawn.
White transfers the knight to f3. Black plays the g-pawn to g5. White develops the light-squared bishop to c4.
Black advances the g-pawn to g4. White castles kingside.