ECO D55 · Queen's Gambit Declined
Queen's Gambit Declined: Neo-Orthodox Variation, Main Line
The position after 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3.
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3
Queen's Gambit Declined: Neo-Orthodox Variation, Main Line is filed under ECO D55, a variation of Queen's Gambit Declined: Neo-Orthodox Variation. It is the position after 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 — 13 half-moves in, with Black to move. From here theory names 2 continuations: b6, Ne4.