Learn How to Spot a Mate in 2: Queen Sacrifice

This middlegame puzzle shows how a queen-side attack can turn into a forced mating net when the enemy king is boxed in by its own pieces. The key idea is a discovered attack: one piece steps in with check, opening a line for the queen to deliver a decisive finish. Even though the position looks balanced materially, king safety is the real imbalance, and that often outweighs static material in classical chess.