Gokyo Shumyo, Section 1, Problem 62 / Solution
is the traditional solution.
at
also lives.
at a descent is a better way to live.
If
immediately, it is quite clear that
makes miai of a and b, making an eye at the circled point (as in the solution).
The points
and
are miai (see variation).
makes miai of a (atari) and b (destroys second eye).
Now there is no chance of a becoming an eye.
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