Vienna Game: Hamppe-Muzio Gambit

1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.O-O

ECO C25

The Vienna Game: Hamppe-Muzio Gambit is a chess opening line in the Vienna Game complex, reached after 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.O-O.

It is catalogued under code C25 in the Encyclopaedia of Chess Openings (ECO).

The defining move O-O is chosen by White on move 6.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.