Vienna Game: Paulsen Variation, Mariotti Gambit

1.e4 e5 2.Nc3 Nc6 3.g3 Bc5 4.Bg2 h5 5.Nf3 h4

ECO C25

The Vienna Game: Paulsen Variation, Mariotti Gambit is a chess opening line in the Vienna Game complex, reached after 1.e4 e5 2.Nc3 Nc6 3.g3 Bc5 4.Bg2 h5 5.Nf3 h4.

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

The defining move h4 is chosen by Black on move 5.

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.