Learn How to Win Material: Pin Tactic
This middlegame puzzle comes from the Queen's Gambit Declined Baltic Defense and shows how a pin can turn into a decisive material win. White’s pieces look active, but one key defender is overloaded and the tactical geometry favors Black. The idea is not a flashy mate, but a clean tactical refutation that wins material by exploiting a pinned piece, a loose queen, and the coordination of heavy pieces in classical chess.