(chess) A pawn that has passed beyond enemy pawns on its own or adjacent files, and that hence has a clear run to the first or eighth rank.

plural of pawn chain

(chess) A locked diagonal formation of pawns, each one supported by a friendly pawn diagonally behind and blocked by an enemy pawn directly ahead.

plural of advanced pawn

plural of doubled pawn

plural of backward pawn

(chess) A pawn that is on the opponent's side of the board (the fifth rank or higher).

plural of passed pawn

(chess) A pawn that is on the same file as a friendly pawn.

(chess) A pawn that is unable to advance without being threatened by an enemy pawn and is not defensible by pawns of the same color.