Learn How to Spot Swallowtail Mate: Mate in 1
This chess endgame puzzle is a pure tactical finish: White has a forced mate in one, and the key idea is a classic swallowtail mate pattern. In these positions, the enemy king is boxed in by its own pieces and pawns, leaving just one decisive checking move. Even in a seemingly balanced classical chess endgame, a single queen move can end the game immediately when the king’s escape squares are completely controlled.