Home › Openings › Queen's Indian Defense › Queen's Indian Defense: Petrosian Variation Queen's Indian Defense: Petrosian Variation, Farago Defense ECO E12 · 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 Practice this opening · Play against the computer