Learn How to Spot a Mate in 1: Back Rank Mate
This middlegame puzzle is a classic king-safety finish: the enemy king is boxed in, key defenders are overloaded, and the open line to the back rank creates a direct mating net. White’s heavy pieces coordinate to exploit the pinned defender and the vulnerable king shelter. Even though material is not equal, tactical force matters more than count here, and the position ends immediately with a forcing checkmate.