Benko Gambit Discovered Check in Chess

In the Benko Gambit, a “benko gambit discovered check” happens when a piece move (often a pawn break or recapture) opens a line so that another piece suddenly gives check. The defining feature is that the check is “discovered” by the move that also changes the position of a blocker on a file, diagonal, or rank. In many lines, this leverages the Benko’s queenside structure and the open b-file/diagonal created after c-pawn and b-pawn tensions.