Learn How to Back Rank Mate: Pin Tactic
This chess endgame puzzle shows how a pinned defender and an exposed king can combine into a forced mating net. White’s rook activity on the c-file creates immediate pressure, while the black king’s limited escape squares make every tempo matter. The key idea is to use forcing checks to drive the king into a worse square, then finish with a rook sacrifice that removes the last defender. Patterns like this are common in classical chess and tablebase-like endgames.