Bird Opening Dutch Variation Intermediate Puzzle (Rated 1303): Win Material — Queenside Pin Tactic

This middlegame puzzle shows how a queenside pin can turn a cramped position into a decisive tactical win. White’s pieces are coordinated around the c-file and the b6 square, while Black’s king and queen-side pieces are tied down by pressure on key defenders. The main idea is not a flashy mate, but a forcing sequence that exploits a pinned piece, an overloaded defender, and a trapped knight to win material with tempo.