In message <4a30f5fa.2060...@dcook.org>, Darren Cook <dar...@dcook.org> writes
Announcement:
http://hp.vector.co.jp/authors/VA012620/cgf2009/cgf2009.html (in
Japanese)

I notice 9x9 is played at komi of 7.5. And the ICGA tournaments also
seem to be played at 7.5.
Yet I believe pro games are still played at 6.5, at least in Japan [1].
FWIW, my own study suggests correct komi [2] is probably 6, maybe 5 or
7; 8 is looking more and more unlikely.

Did someone just take at a guess at 7.5 komi for an early tournament and
everyone else has copied since? Or was it based on some statistical
evidence? And are the tournaments showing a bias at 7.5 komi, or does it
seem to be working well?

Chinese rules specify komi of 7.5.  Japanese rules specify komi of 6.5.
In the events I run, at least, I merely follow what the rules say, because I do not believe I have sufficient reason to override them.

Nick

Darren

[1]: e.g.
http://computer-go.org/pipermail/computer-go/2009-January/017512.html

[2]: To preempt the pedants: between very strong/perfect players.




--
Nick Wedd    n...@maproom.co.uk
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