Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Bg5/4...Be7

Orthodox variation D53-D69 Queen's Gambit Declined 4...Be7 · Orthodox variation Black unpins the knight and prepares to castle short. White's two main responses /5. e3/ and /5. Nf3/ are very likely to transpose, so the order doesn't particularly matter. Theory table 5. e3 5. Nf3 References See also