Home › Openings › Catalan Opening Catalan Opening: Tarrasch Defense ECO E01 · 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. Nf3 Nc6 Related variationsCatalan Opening: Open DefenseCatalan Opening: ClosedCatalan Opening: Hungarian GambitCatalan Opening: Closed Variation, Rabinovich VariationCatalan Opening: Closed Variation, Traditional Variation Practice this opening · Play against the computer