Queen's Gambit Declined: Neo-Orthodox Variation

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Rc1

ECO D54

The Queen's Gambit Declined: Neo-Orthodox Variation is a chess opening line in the Queen's Gambit Declined complex, reached after 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Rc1.

It is catalogued under code D54 in the Encyclopaedia of Chess Openings (ECO).

The defining move Rc1 is chosen by White on move 6.

One named continuation branches from this position: the Main Line.

Named variations

• Queen's Gambit Declined: Neo-Orthodox Variation, Main Line — ECO D55

Study this line with a grandmaster

This position is covered in the Opening Tricks Hall of Fame course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.