Learn How to Win with a Pin: Tarrasch Defense
This middlegame puzzle shows how a pin can turn a normal-looking position into a tactical refutation. Black’s active bishop creates pressure on the white queen and king line, so White’s coordination becomes fragile. In classical chess, these situations often arise when one piece is pinned and another is overloaded. The key idea is that a pinned defender cannot move freely, which can make a hanging piece or loose center pawn suddenly vulnerable to a winning sequence.