About this opening
Benko Gambit: Fianchetto Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A58. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 15 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3.
It belongs to the Benko Gambit family. Within that family this is a sub-variation (the Fianchetto Variation line).
The opening sequence in prose form: 1.d4 Nf6, 2.c4 c5, 3.d5 b5, 4.cxb5 a6, 5.bxa6 Bxa6, 6.Nc3 d6. 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.