Back Rank Mate Intermediate Puzzle (Rated 922): Back Rank Mate — Endgame Tactic

This chess endgame puzzle shows a classic back rank mate pattern where the enemy king is boxed in by its own pieces and pawns. Even with material roughly balanced, the active rook and knight coordination create a forcing sequence that leaves no escape squares. In classical chess, these short tactical finishes often appear when a passive rook or pinned piece cannot help defend the back rank. The key idea is to use forcing checks to drive the king into a mating net.