King's Pawn Game: Gunderam Defense, Gunderam Gambit

1.e4 e5 2.Nf3 Qe7 3.Bc4 f5

ECO C40

The King's Pawn Game: Gunderam Defense, Gunderam Gambit is a chess opening line in the King's Pawn Game complex, reached after 1.e4 e5 2.Nf3 Qe7 3.Bc4 f5.

It is catalogued under code C40 in the Encyclopaedia of Chess Openings (ECO).

The defining move f5 is chosen by Black on move 3.

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.