Dutch Defense: Stonewall Variation, Modern Variation

An entry in the Encyclopedia of Chess Openings (ECO A90), reached after 12 half-moves: 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6.

Black rook — Use ← → arrows or click moves to step through.

Black knight — Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Dutch Defense: Stonewall Variation, Modern Variation is an opening in the Encyclopedia of Chess Openings, classified under code A90. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 12 half-moves from the starting position, with the move sequence 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6.

It belongs to the Dutch Defense family. Within that family this is a level-2 branch (the Stonewall Variation → Modern Variation line). The immediate parent line is Dutch Defense: Stonewall Variation, transitioned via 6…Bd6.

The opening sequence in prose form: 1.d4 f5, 2.c4 e6, 3.Nf3 Nf6, 4.g3 c6, 5.Bg2 d5, 6.O-O Bd6. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.