Learn How to Win Material: Tactical Refutation
This middlegame puzzle is a classic example of tactical refutation: one active move punishes an undefended piece and turns a pin into a winning sequence. The position looks balanced at first glance, but the key idea is that the opponent’s queen and bishop are vulnerable to direct capture because the pinned knight cannot freely respond. Once the queen is removed, the resulting simplification leaves White with a decisive material advantage and a much cleaner position.