Learn How to Spot a Mate in 1: Back Rank Mate
This middlegame puzzle is a classic example of a forcing mating pattern where the enemy king is boxed in and the final blow comes from a queen invasion. Even when one side is materially ahead, king safety can outweigh everything else if the defender has no useful checks or escapes. In classical chess, these tactical finishes often appear after the opponent’s last move creates a fatal weakness around the king.