Nimzowitsch Defense Pseudo Spanish Variation Puzzle (Rated 1066): Win Material — Trapped Piece Tactic

This middlegame puzzle is a classic trapped piece lesson: one active knight jump creates a forcing sequence that wins material by exploiting a pinned defender and an overloaded queen. The position is not about slow maneuvering; it is about using a forcing move to drag the enemy queen into a vulnerable square, then removing the key defender. Once the tactical net is set, the trapped piece cannot escape and Black keeps a decisive advantage.