When a player makes a move so that an opponent's piece is in between his attacking piece and another more valuable enemy piece, the move is called a '''"pin"'''. Pinning creates a situation in which the opponent cannot move the piece in question without losing the more valuable piece behind it, effectively "pinning" the piece. A pinned piece can be easily taken. | When a player makes a move so that an opponent's piece is in between his attacking piece and another more valuable enemy piece, the move is called a '''"pin"'''. Pinning creates a situation in which the opponent cannot move the piece in question without losing the more valuable piece behind it, effectively "pinning" the piece. A pinned piece can be easily taken. |