Learn How to Back Rank Mate: Mate in 3
This puzzle is a classic middlegame tactical refutation from the Nimzowitsch Defense, where king safety outweighs material. White’s queen and rook coordination create a forcing attack against a king that has limited escape squares and a vulnerable back rank. The key idea is to use checks to drag the king into a worse square, then exploit the overloaded defender and the pinned or trapped pieces around the king. It is a strong example of how a small material edge can be converted into a direct mating net.