Learn How to Spot Mate in 1: King Safety
This middlegame puzzle is a classic example of king safety deciding the game. White’s pieces are already aimed at the enemy king, and the key idea is that the final attack lands because the defender’s back rank, pawn shield, and piece coordination are all overloaded. In positions like this, material matters far less than whether the king has escape squares and whether the checking piece is protected by the rest of the army.