Mate In 3 Beginner Puzzle (Rated 933): Spot a Mate in 3 — Rook Endgame

This chess endgame is a classic example of how active rook play can turn a small material edge into a forced mating net. The key idea is to use checks, file control, and king restriction to drive the enemy king into a vulnerable corner. In rook endgames, a single tempo often decides everything, especially when the defending king is cut off and the rook can invade with decisive force.