Petrovs Defense Classical Attack Puzzle (Rated 1319): Win Material — Tactical Refutation

This middlegame puzzle is a classic example of tactical refutation in a Petrovs Defense structure. White’s pieces are active, but the key idea is that one loose piece is overworked and can be won by forcing exchanges. The position rewards accurate calculation over general plans: when a major piece is attacked and defended poorly, a simple capture can trigger a sequence that wins material and leaves the opponent’s position collapsing.