About this opening
Hungarian Opening: Slav Formation is an opening in the Encyclopedia of Chess Openings,
classified under code A00. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 4 half-moves from the
starting position, with the move sequence 1. g3 d5 2. Bg2 c6.
It belongs to the Hungarian Opening family. Within that family this is a sub-variation (the Slav Formation line).
The opening sequence in prose form: 1.g3 d5, 2.Bg2 c6. 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.