Dutch Defense: Stonewall Variation, Modern Variation

The Dutch Defense: Stonewall Variation, Modern Variation is a chess opening classified under ECO code A90 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 6 moves: 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6. The resulting position leaves white to move.