a move which unmasks an attack on the enemy king by moving a friendly piece out of the line of attack
a special case of a discovered attack, where the newly attacked piece is a King
A phrase used to describe an often powerful move where a line is opened allowing an otherwise blocked piece to give check to the enemy king. If the moving piece also gives check, then the move is described as a double check. Category: Glossary 1 visitor(s) thought this was helpful. Do you
Check given by one piece as the result of the moving away of another piece that was masking it.
A check delivered by a piece whose line of attack has previously been blocked by a member of the same side which has moved away on the given move.
A discovered attack that involves checking your opponent's King by moving a piece so that the piece behind it can give check.
A check delivered by a piece when another piece or pawn has moved out of its way.
to deliver check by moving a piece or pawn out of the way of a line-piece such as rook, bishop or queen. There are examples in the Tactics section of the Canon.
