Table of contents | Table of diagrams White dies. White lives. Comment. Failure - ko. Failure - death. Failure - death. White's strongest resistance. White dies. White dies. Comment. Failure - ko. |
turns the potential eye at the top side into a false one. White can only make at most one eye at the center, so White dies.
The descent at is key. It makes capturing at
and making the second eye at
miai, so White lives.
Starting with the atari with lives as well, but White makes an unneccessary sacrifice.
Making an atari at is a failure. White's only saving grace is to live with a ko at
and
.
makes only one eye on the upper side.
is interesting. However,
kills unconditionally. Note that
is sente. If
at
, then
at
.
is White's strongest resistance.
is tesuji, White dies.
If ,
connects and finished the job.
Having the exchange at and
does not help White at all.
Black saves two stones at , but at a price of allowing White to get a ko for life.