Learn How to Win Material: Discovered Attack
This middlegame puzzle comes from the Sicilian Defense, O'Kelly Variation, and shows how a tactical refutation can turn an active position into a decisive material win. The key idea is discovered attack: one piece moves with tempo, opening a line for another attacker and exposing an overloaded defender. Here, the queen and rook coordination becomes critical, and the opponent’s king safety and piece placement make the tactic especially strong.