ECO D60 · Queen's Gambit Declined
Queen's Gambit Declined: Orthodox Defense
The position after 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7.
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7
Variations of Queen's Gambit Declined: Orthodox Defense
2 namedQueen's Gambit Declined: Orthodox Defense is filed under ECO D60, a variation of Queen's Gambit Declined. It is the position after 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 — 12 half-moves in, with White to move. From here theory names 4 continuations: Qc2, Rc1, Bd3, Qb3.