Modern Defense Beefeater Variation Puzzle (Rated 1354): Win With a Fork — Modern Defense

This middlegame puzzle from the Modern Defense shows how a single active knight can transform a cramped position into a decisive material win. White’s piece activity outweighs Black’s extra material because the black queen and rook become vulnerable to a tactical fork. The key idea is to use a forcing check that creates a double attack, then convert the resulting imbalance by winning the queen-side defender and a central pawn. It is a classic example of tactical refutation over static material.