Home › Openings › Queen's Gambit Declined › Queen's Gambit Declined: Chigorin Defense › Queen's Gambit Declined: Chigorin Defense, Main Line Queen's Gambit Declined: Chigorin Defense, Main Line, Alekhine Variation ECO D07 · 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Qa4 Practice this opening · Play against the computer