Skewer Intermediate Puzzle (Rated 1425): Win a Rook Endgame — Short Skewer
This chess endgame puzzle shows how active rook play can convert a small edge into a decisive material gain. The key idea is to use checking pressure to force the enemy king into a worse square, then exploit the alignment of king and pawn with a tactical skewer. In rook endgames, activity often matters more than raw material, and forcing moves can quickly turn a balanced position into a winning one.