Dutch Defense: Stonewall Variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5

Dutch Defense: Stonewall Variation is catalogued under ECO code A92. It is reached after 6 moves (12 half-moves): 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5. After the last move it is White to play. White opens 1. d4. It is a named variation of the Dutch Defense, which has 69 catalogued lines in total.

Position shown after the last move; White to play.