Pillsbury's Mate Puzzle (Rated 1088): Spot Mate in 2 — Back Rank Mate

This chess endgame puzzle shows a classic back rank mating pattern: the enemy king is boxed in by its own pieces and has very limited escape squares. In positions like this, a forcing check can drive the defending rook into a passive block, creating a direct finish on the next move. The key idea is not material, but coordination: one rook gives the check, and the other rook delivers the final blow once the defender is forced onto the same file.