Learn How to Spot Mate in 1: King Safety
This middlegame puzzle is a classic example of king safety deciding the game immediately. Even when one side is down material, a vulnerable king can make every defensive resource irrelevant. The key idea is to look for forcing moves that attack the king directly and leave no legal reply. In positions like this, the queen often becomes the decisive piece because it can deliver a final check on a key square while supported by other pieces.