Learn How to Force Mate in 2: Rook Endgame
This chess endgame shows how active rook placement can decide the game even when one side is down material. The key idea is to use forcing checks to drive the enemy king into a restricted square, then coordinate the rook and king to create a mating net. In classical chess, these patterns often look simple only after you see them; before that, they reward accurate calculation and awareness of king safety.