Learn How to Spot Swallow's Tail Mate: Mate in 3
This chess puzzle is a classic mating net where the king is driven into a tight corner and then boxed in by coordinated queen checks. The key idea is the swallow's tail mate pattern: the attacking queen uses forcing moves to restrict escape squares, while the enemy king’s own pieces and pawns become part of the cage. In this middlegame-to-endgame setting, the attack works because the king lacks safe flight squares and every check is forcing.