Learn How to Mate in 2: Queen-Rook Endgame
This chess endgame is a classic example of how coordinated major pieces can trap a king with very little material left on the board. Even when one side is materially ahead, the winning idea is often not to trade down, but to use the queen and rook to restrict escape squares and force a mating net. The key is that the enemy king is exposed, centralized, and vulnerable to checks that drive it into a tighter box.