Dutch Defense: Classical Variation

Dutch Defense: Classical Variation is a named branch in the Flank Openings group of chess theory, classified under ECO A91.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

It begins with 8 plies and takes 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 to reach the canonical position.

In the opening tree, this line branches off from Dutch Defense: Classical Variation, part of the broader Queen's Pawn Game system.

2 named variations grow from this line, including Dutch Defense: Classical Variation, Blackburne Attack.

Together the deeper variations number 16 across the full subtree.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.