Four Knights Game Ranken Variation Puzzle (Rated 922): Win Material — Pin Tactic
This middlegame puzzle shows how a pin can turn into a decisive material win. Black’s active bishop creates immediate pressure on White’s queen, and the queen cannot move freely because of the tactical alignment behind it. Once the pinned piece is forced to respond, the position collapses into a winning combination that wins a major piece and leaves Black with a clear advantage. It is a classic example of using piece coordination to convert activity into material.