Learn How to Swallowtail Mate: Mate in 1
This puzzle is a classic mating net where the attacking queen and rook coordinate to trap the enemy king with no flight squares. In chess endgame and middlegame positions alike, these patterns often appear when the king is boxed in by its own pieces and pawns. The key idea is not material gain but forcing a direct finish through geometry, control of escape squares, and the power of a protected checking piece.