About this opening
Queen's Gambit Declined: Chigorin Defense is an opening in the Encyclopedia of Chess Openings,
classified under code D07. 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 4 half-moves from the
starting position, with the move sequence 1. d4 d5 2. c4 Nc6.
It belongs to the Queen's Gambit Declined family. Within that family this is a sub-variation (the Chigorin Defense line).
The opening sequence in prose form: 1.d4 d5, 2.c4 Nc6. From this position 3 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.