Learn How to Swallowtail Mate: Mate in 2
This puzzle shows a classic mating net built around king safety, piece activity, and a forcing discovered check. In the middlegame, the attacking side often wins by opening lines against the enemy king and using a rook or queen to create a direct threat that cannot be ignored. The key idea is that one forcing move can drag a defender away, leaving the king boxed in and vulnerable to a second, decisive strike.