Zukertort Opening Queenside Fianchetto Variation Intermediate Puzzle (Rated 1323): Spot a Pin — Tactics

This middlegame chess puzzle demonstrates how a pin can disguise a deeper tactical problem. A defending rook is overloaded: it must protect both a valuable queen and a vulnerable knight. Black exploits this conflict by attacking the defender’s key square, forcing an exchange that wins material and preserves the initiative. The combination works because a discovered attack is revealed when a knight moves, while the pinned knight cannot safely respond. The result is a decisive material gain despite Black initially being down a pawn.