catch22: I did not immediately see why
below did not work, so I thought I'd add the refutation.
cutting at
followed by the cut at
, in place of White cutting at the location of
, fails.
tapir: I wonder about
, can't Black play like in this diagram (avoiding the shortage of liberties). Likely I am hallucinating, please point out where. (I noted a different setup in the similar classical problems which would allow to capture at a in sente.)
unkx80: After
the black corner is not yet alive, so black probably don't have time to turn the top side into a false eye.
tapir:
should kill. (Actually this is a typical mistake for me. Not looking at my own eyeshape.)