Learn How to Spot Mate in 1: Swallowtail Mate
This puzzle is a classic middlegame mating pattern where the enemy king is boxed in by its own pieces and pawns. In positions like this, the strongest move is often a forcing queen sacrifice or queen invasion that creates immediate checkmate. Even if you are down material, king safety can outweigh everything when the opponent’s pieces block escape squares and the back rank or nearby squares are under control.