> At 01:54 23/10/2006, you wrote:
>
> >There was a posting on this list with an example of a (contrived?)
> >situation where sacrificing a pass-alive group is appropriate, in order to
> >win a ko that is more valuable. Is even #1 "100% admissible"?
> >
> >Weston
>
>
> I must have missed this, and find it surprising. Can anyone remember the
> example?
>
I probably posted that; it is a superko anomaly.
. O O # # # O O .
O . O # . # O O #
O O # . # O O # .
# # # # # O O # #
O O O O # # O O .
. . O # # # # O O
O O # # O O O # O
O . O # O . O # #
O . O # O O . # .
9x9 board, superko, area scoring, 6 komi for White
It does not matter who plays first.
Assuming that the players agree that white's upper left group is dead the position can be scored as it stands (jigo).
Solution at http://www.cs.unimaas.nl/~vanderwerf/pubdown/stelling3.sgf
Erik
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