Learn How to Swallowtail Mate: Mate in 1
This puzzle is a classic mate in 1 based on a swallowtail mate pattern in the middlegame. The key idea is that the defending king is boxed in by its own pieces and pawns, leaving a single checking move that ends the game immediately. In classical chess, these direct mating shots often appear when the enemy queen or bishop is overloaded and the king’s escape squares are cut off by long-range pieces.