,
atari the two stones. If White connects at a, White dies in gote.
After , a and b are miai, so the white group has only one eye.
One of the simplest refutation to the hane of is
. After
and
, it is not possible for Black to play at a.
The squeeze of allows White to play atari in the direction of
.
Atari at is a mistake. After
, White cannot play at a, so White is dead.
White lives easily.
White lives easily too.