Van Geet Opening Pin Beginner Puzzle (Rated 1272): Win with a Pin — Decisive Material Gain

This middlegame puzzle shows how a well-timed bishop move can create a powerful pin against the enemy queen and king. The key idea is that a piece on an active diagonal can force the opponent’s king into a passive square, leaving the queen overloaded and vulnerable. Once the pin is established, the follow-up wins material by taking advantage of the exposed queen and the weakened king safety around the black king.