About this opening
Dutch Defense: Semi-Leningrad Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A81. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 6 half-moves from the
starting position, with the move sequence 1. d4 f5 2. g3 Nf6 3. Bg2 g6.
It belongs to the Dutch Defense family. Within that family this is a sub-variation (the Semi-Leningrad Variation line).
The opening sequence in prose form: 1.d4 f5, 2.g3 Nf6, 3.Bg2 g6. 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.