Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation
1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e4
The Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation is a chess opening line in the Queen's Gambit Declined complex, reached after 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e4.
It is catalogued under code D41 in the Encyclopaedia of Chess Openings (ECO).
The defining move e4 is chosen by White on move 6.
Study this line with a grandmaster
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.