Learn How to Spot a Fork: Decisive Material Gain
This middlegame puzzle is a classic example of a tactical refutation built around a fork and a hanging piece. One side has active pieces aimed at the enemy queen and bishop, while the king is exposed enough to make a forcing check especially dangerous. The key idea is that a checking move can do more than attack the king: it can also win time to capture loose material and leave the opponent with no good way to coordinate defense.