Cochrane Gambit Puzzle (Rated 1575): Fork — Win Material

This middlegame puzzle demonstrates how a forcing fork can overturn a material imbalance. Black is materially worse, but active piece coordination creates a tactical opportunity against the exposed king and restricted defenders. The key idea is to use check to gain time, exploit the pinned knight, and increase pressure on a trapped piece. When several enemy units are overloaded or unable to move, a temporary attack can produce a decisive material gain.