Kyu Exercise 30 / Solution
Solution
The solution is to make a throw-in at
. Now Black cannot escape nor live.
If
captures, then
pulls back. Later, Black a can be answered with White b.
at a would be a ko, allowing Black to try connection with
at
.
Failures
The first thing that comes to mind is to block at
, but this make miai for life on a and b.
Reordering moves does not work: a and b are miai.