Learn How to Win Material: Discovered Attack
This Ruy Lopez middlegame shows how a single active queen can force the opponent’s king into a vulnerable square and expose loose pieces along the d-file. White’s pieces are coordinated around the open file, and the black queen and bishop are tied to defense. The key idea is a discovered attack: one move creates a direct check while also uncovering pressure on a major piece. That combination turns activity into a decisive material win.