Queen's Gambit Declined Marshall Defense Puzzle (Rated 1000): Win Material — Tactical Refutation

This middlegame puzzle is all about tactical refutation: one active bishop creates a forcing sequence that wins material by exploiting a loose queen and an exposed king. The position features a clear imbalance in piece activity, and the key idea is to use a forcing capture to open lines while the opponent’s coordination is still imperfect. White’s advanced pawn and active queen look dangerous, but Black’s tactical resources are stronger and more concrete.