Benko Gambit Accepted

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6

Benko Gambit Accepted is catalogued under ECO code A57. It is reached after 4 moves (8 half-moves): 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6. After the last move it is White to play. White opens 1. d4. It is the defining line of the Benko Gambit Accepted family, which has 10 catalogued lines in total. 1 deeper line continue from here, listed below.

Position shown after the last move; White to play.