Learn How to Spot Epaulette Mate: Mate in 1
This puzzle is a classic middlegame mating pattern from the Philidor Defense, where the enemy king’s escape squares are boxed in by its own pieces. The key idea is epaulette mate: the king is trapped because adjacent squares are occupied, and the final attacking move delivers a direct checkmate on the open line. In positions like this, queen activity and king safety matter more than material, especially when the defender’s back-rank and kingside coordination have collapsed.