prevents the capture of two stones and makes shape. She has to be careful in answering
and
.
on the 2-2 point doesn't give life. After the connection at
, White still has only one eye in the corner. Black can also play atari with
at
.
Connecting at is the third way to save the two stones. Black plays hane at
and makes a placement at
- and White is dead, because now a and b are miai. Black could also kill by playing
on the vital point of this shape, namely
.
ProtoDeuteric: Does this work?
unkx80: should play at
for life, and
should play at
to kill with a bulky five.