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Re: [gnugo-devel] GnuGO rating on KGS


From: Dmitri Koulikov
Subject: Re: [gnugo-devel] GnuGO rating on KGS
Date: Fri, 30 Sep 2005 14:00:47 +0400
User-agent: KMail/1.8.2

On Friday 30 September 2005 11:48, Arend Bayer wrote:

AB> 
AB> On Fri, 30 Sep 2005, Robert Cohen wrote:
AB> 
AB> > Bit of a nit picky question.
AB> > 
AB> > Is Gnu Go really getting weaker and weaker.
AB> > Ive noticed that over time its rating according to the KGS rating graphs 
has
AB> > been going steadily down. The graph is here
AB> > http://kgs.kiseido.com/en_US/graphPage.jsp?user=TheGNUGo
AB> > 
AB> > Since last Oct its rank has decreased from 9kyu to 12kyu.
AB> > 
AB> > I like to think that with all the work people have been doing patching it,
AB> > it should be getting better.
AB> 
AB> These are all fluctuations of the KGS rating system. There
AB> was a big change in the rating system that is responsible for the drop
AB> in Dec 2004. The drop in Aug 2005 happened in a period where TheGNUGo
AB> didn't even play a single game. 

 Why does not NGCBot have the same drop in August 2005?

AB> 
AB> As a comparison look at
AB> http://kgs.kiseido.com/en_US/graphPage.jsp?user=NGCBot
AB> which has been running 3.6 since it was released IIRC.
AB> 
AB> > So is just coming up against better players.
AB> > Or was the rank inflated to start with and its just been getting more
AB> > accurate.
AB> 
AB> KGS ranks will never be accurate I am afraid.
AB> 
AB> Arend

-- 
With best regards,
   Dmitri Koulikov

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