White captures part of the group.[1] Best for both I think. If Black starts, he saves the whole lot. Dieter
This is a failure for Black. He has to sacrifice the corner part. at
is not possible. See also stone tower tesuji.
unkx80: I don't understand the last two statements?
Bill: I edited the next to last one to reflect what I think was meant. :-)
[1]
Bill: Is this called half life? ;-)