If white tries to keep symetry and hope for jigo, black plays a game-winning manego breaker at . White can't mirror it due to shortage of liberties, and A-1 is stupid.
is Pass,
gets Black two beautiful eyes.
If instead White tries to capture, Black plays and prevents white from making eyes. Again White has nothing, so she Passes, and
makes life for Black again.
Gul: white to play and win! (japanese rules)
White to play and win! (japanese rules, no komi)
Alex: In version 1, White throws in at the marked stone and Black recaptures, leading to a seki, but Black still wins, with 3 prisoners to 2.