101 Chess Tactics -

: A "reverse pin" where a valuable piece is attacked and forced to move, exposing a lesser piece.

: Attacking a piece that is already busy defending another threat. Part 3: Mating Patterns & Endgame Tactics Back Rank Mate : Trapping the king behind its own pawn wall. 101 Chess Tactics

: Sacrificing a piece to clear a square or line for another attacking piece. : A "reverse pin" where a valuable piece