Scandinavian Defense Mieses Kotroc Variation Puzzle (Rated 1179): Use Discovered Attacks
A pin looks like a license to win — until the pinned piece moves anyway. Here, Black's bishop is pinned to its queen, yet it is precisely the piece that ignites the attack. The secret is the discovered attack: the bishop slides away, exposing its queen against White's queen and creating a kingside threat that outranks the pin. When a pinned piece can move with check, the pin loses its grip. White's undefended queen falls, and Black turns the kingside pressure into decisive material gain.