Learn How to Spot Mate in 2: Rook Endgame
This chess endgame shows how active rooks can create a mating net even with equal material. The key idea is to use a forcing check to drive the enemy king into a worse square, where the second rook can then restrict escape and deliver the final blow. In rook endgames, activity often matters more than pawns, and a seemingly safe king can become trapped by coordinated rook placement and open lines.