Home › Openings › Queen's Gambit Declined › Queen's Gambit Declined: Modern Variation Queen's Gambit Declined: Modern Variation, Normal Line ECO D55 · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Related variationsQueen's Gambit Declined: Modern Variation, Knight DefenseQueen's Gambit Declined: Modern Variation, Heral Variation Practice this opening · Play against the computer