Home › Openings › Catalan Opening Catalan Opening: Closed Variation, Rabinovich Variation ECO E09 · 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nbd2 Be7 6. g3 Nbd7 7. Bg2 O-O 8. O-O b5 Related variationsCatalan Opening: Open DefenseCatalan Opening: ClosedCatalan Opening: Hungarian GambitCatalan Opening: Tarrasch DefenseCatalan Opening: Closed Variation, Traditional Variation Practice this opening · Play against the computer