Rook activity

A rook placed on the opponent's second rank, where it often attacks pawns and restricts the king.

Restricting the opposing king with a controlled line, usually a rook's rank or file, to keep it away from the action.

The principle that a rook usually belongs behind a passed pawn, whether the pawn is friendly or hostile.

The separation a rook needs to give repeated checks without being attacked or blocked with gain of time.

A pawn that shelters the king from side or rear checks, especially in rook endings.