crane's nest tesuji
A go tesuji (skillful move) that traps the opponent's stones in a shape resembling a crane's nest. The term is domain-specific to go.
See also: 手筋
In this position, the crane's nest tesuji was the decisive move.
The name literally means 'crane's nest' (鶴の巣籠り), referring to the shape formed by the stones that resembles a crane sitting on its nest.