Learn How to Spot a Mate in 1: Back Rank Mate
This puzzle is a classic example of a forcing mating pattern in the middlegame, where king safety matters more than material. The key idea is that the defending king has no escape squares and the back rank becomes fatal when a rook can invade. In positions like this, always check for direct checks first, especially when heavy pieces are lined up on open files and the opponent’s king is boxed in by its own pieces.