About this opening
Benko Gambit Accepted: King Walk Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A59. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 21 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2.
It belongs to the Benko Gambit Accepted family. Within that family this is a sub-variation (the King Walk Variation line).
The opening sequence in prose form: 1.d4 Nf6, 2.c4 c5, 3.d5 b5, 4.cxb5 a6, 5.bxa6 g6, 6.Nc3 Bxa6. 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.