Queen's Gambit Declined: Orthodox Defense, Rauzer Variation
1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Qb3
The Queen's Gambit Declined: Orthodox Defense, Rauzer Variation is a chess opening line in the Queen's Gambit Declined complex, reached after 1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Qb3.
It is catalogued under code D60 in the Encyclopaedia of Chess Openings (ECO).
The defining move Qb3 is chosen by White on move 7.
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This position is covered in the Catalan Opening 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.