Learn How to Spot Swallowtail Mate: Mate in 2
This puzzle is a classic mating net built around king safety, forcing checks, and limited escape squares. In chess endgame and middlegame positions alike, a queen sacrifice or queen invasion can be decisive when the enemy king is boxed in by its own pieces and pawns. The key idea is not material gain but coordination: one forcing move creates a direct threat, and the defender’s only reply walks into a final mating pattern.