Learn How to Spot a Mate in 2: Queen Fork
This middlegame puzzle from the Zukertort Opening shows a classic forcing attack where the queen creates a decisive check and the defending side is dragged into a narrow response. The key idea is a queen fork: one move can simultaneously give check and set up a mating net against the exposed king. Because the king is still in the center and the position is tactically loose, forcing moves matter far more than material count.