[Computer-go] Congratulations to Zen!

Detlef Schmicker ds2 at physik.de
Mon Jun 3 22:55:22 PDT 2013

Sorry it was my fault. NiceGo had "rule all stones alive" enabled before
round 9 (this option is for CGOS games). It was never a problem in
tournaments, as all games ended by resignation in the past.
Therefore they disagread about the dead stones, as NiceGo counted all
stones alive.

Me and NiceGo (and gnugo as far as I remember before the clean up phase)
read the upper right white group dead, so B was ahead by 14pt.

The clean up phase was handled correctly by B in my opinion. With the
"rule all stones alive" (which is the rule for counting in the clean-up
phase) B was ahead, therefore it was correct to pass for B.


Am Dienstag, den 04.06.2013, 10:34 +0900 schrieb Darren Cook:
> >> My report is at http://www.weddslist.com/kgs/past/93/index.html
> > 
> > Round-7: why is W ahead by 16 points? Aren't all the white
> > stones in the upper right corner dead?
> Agreed (unless there is a typo in the diagram and those two white stones
> are not in atari: it seems like black should have played F9 in the
> clean-up phase, not passed?)
> Darren
> P.S. I notice Zen's only loss was as white against black playing 3,4. I
> wonder if this was deliberate to get Zen out of its opening book sooner?
> (I'm guessing 5,5 is still the most studied 9x9 opening?)
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