Home › Openings › Catalan Opening Catalan Opening: Closed Variation, Traditional Variation ECO E09 · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 b6 Related variationsCatalan Opening: Open DefenseCatalan Opening: ClosedCatalan Opening: Hungarian GambitCatalan Opening: Tarrasch DefenseCatalan Opening: Closed Variation, Rabinovich Variation Practice this opening · Play against the computer