Net

Net  

A net is a technique where one or a few stones are captured by blocking the exits. The basic form of a net is in this diagram. The marked white stone now cannot escape: If White plays a, Black answers at b; if White c, then d.

Capturing two stones  

Capturing two stones in a net. a and b are miai and so are c and d.

Atari and net  

In this diagram, White captures the cutting stones with the combination of and in this diagram.

three stones  

From three stones onward, the common technique of for one or two stones does not work anymore. However, if were at a, then we have a position known as the crane's nest tesuji and Black's stones are captured.