About this opening
Queen's Gambit Declined: Charousek Variation is an opening in the Encyclopedia of Chess Openings,
classified under code D31. ECO group D (D00–D99)
covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached
after 6 half-moves from the
starting position, with the move sequence 1. d4 d5 2. c4 e6 3. Nc3 Be7.
It belongs to the Queen's Gambit Declined family. Within that family this is a sub-variation (the Charousek Variation line).
The opening sequence in prose form: 1.d4 d5, 2.c4 e6, 3.Nc3 Be7. From this position exactly one named continuation is recorded in the encyclopaedia.