ECO D35 · Queen's Gambit Declined
Queen's Gambit Declined: Exchange Variation, Positional Variation
The position after 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5.
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5
Queen's Gambit Declined: Exchange Variation, Positional Variation is filed under ECO D35, a variation of Queen's Gambit Declined: Exchange Variation. It is the position after 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 — 9 half-moves in, with Black to move. Named theory ends here; beyond this the position is yours to work out.