Reducing the eye space is the key here. and hanes, and reduce the black group into a bent three. The placement at is the final touch.
This one is similar. Capturing and will not give Black his second eye.
is interesting. But White plays at , and a and b are miai. Black is still dead.
The hane at is the wrong play. After , and are miai.
The direct attachment at allows Black (and White) to live with a seki, as in the previous problem.
See also:
Referenced byBeginnerExercise57