zinger If black goes first, he obviously lives, so the question is what happens if white starts. If ,
makes a and b miai, so black lives.
So that only leaves . Black lives in seki up to
. So it seems black is alive.
ProtoDeuteric: and
are also miai. If they were switched,
would connect black at the top insead of the bottom.
Bill:
If White plays first, you cannot assume that White will get one and Black the other, since White kills. ( would also kill.)
But as ProtoDeuteric points out, if Black plays first, if he plays White will play
, and vice versa, for sente seki.