Home › Openings › Catalan Opening Catalan Opening: Hungarian Gambit ECO E00 · 1. d4 Nf6 2. c4 e6 3. g3 e5 Related variationsCatalan Opening: Open DefenseCatalan Opening: ClosedCatalan Opening: Tarrasch DefenseCatalan Opening: Closed Variation, Rabinovich VariationCatalan Opening: Closed Variation, Traditional Variation Practice this opening · Play against the computer