Checkmate With Rook Puzzle (Rated 1500): Mate with a Rook — Chess Endgame
This chess endgame shows how a rook can finish the game instantly when the enemy king is boxed in by its own pieces and pawns. The key idea is to look for a forcing check on an open line that the king cannot escape. Even when material is down or the position looks messy, a single active rook can create a mating net if the king’s flight squares are covered and capture is impossible.