Queens Pawn Game Modern Defense Beginner Puzzle (Rated 999): Win Material — Fork Tactic

This puzzle comes from the Queen's Pawn Game with a Modern Defense structure, where a single forcing move creates a tactical refutation. The key idea is a fork: one piece move attacks multiple targets at once, forcing the opponent into a defensive reply. In this position, Black’s active queen and king safety pressure turn a small initiative into a decisive material gain, showing how opening development can quickly become a concrete tactic in classical chess.