French Defense Mediterranean Defense Double Check in Chess

In the French Defense Mediterranean Defense, a “Double Check” is a tactical motif where one move gives check to the enemy king with two attacks at once (typically via a discovered line plus a second checking piece). For this concept, the defining feature is that your pieces are aligned so that after a forcing move—often involving a pawn break or a piece shift—you simultaneously attack the king with two different lines. The result is usually a tempo gain that disrupts the opponent’s development or wins a defensive resource.