Black must play
to save the right half of his group, but can't make two eyes afterward.
Superdave
Black has another try at defense, but this fails. Note that any other
allows
to live. JoelR
Perhaps
isn't needed here as W already has a dead shape inside, resulting in
being death in gote. Reuven
Failure: This nearly works. Any other
lets White kill. JoelR
Of course
at
reverts to the correct solution, here. Reuven