Learn How to Exploit a Pin: Decisive Material Gain
This middlegame puzzle is built around a relative pin that turns into a tactical refutation. One side has the more active queen and extra material, but the key defender is tied to a higher-value target, creating a short forcing sequence. The winning idea is to use the pin to win the hanging piece and then simplify into a clearly better position. In classical chess, these moments often decide the game immediately because the defender cannot move without losing material.