Learn How to Spot Mate in 2: Back Rank Mate
This middlegame puzzle is a classic example of a forcing kingside attack that turns material pressure into a direct mating net. White’s pieces are active, but the key idea is not to win more material; it is to exploit the exposed king and the overloaded defensive resources around it. The position features a strong pin and a vulnerable back rank, so even a seemingly safe defense can fail immediately when the file is opened at the right moment.