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Re: [Bug-gnubg] Tougher ratings

From: Joern Thyssen
Subject: Re: [Bug-gnubg] Tougher ratings
Date: Tue, 24 Dec 2002 13:21:20 +0000
User-agent: Mutt/1.4i

On Tue, Dec 24, 2002 at 10:56:26AM -0200, Albert Silver wrote
> I realize this may sound strange, but after consulting with a couple of
> friends, one request/complaint that has come up more than once is the
> ability to make the ratings (Expert, World Class, etc.) tougher. They
> think GNU is much too generous, and pointed out (correctly) that while
> Snowie often agrees with the errors and relative strengths of the
> players, it always gives a grade lower. In other words if GNU says World
> Class, Snowie will say Expert, etc. Since some players may not like to
> see themselves downgraded that way, perhaps an option to toughen the
> grading system would be possible. Personally I would like this, since I
> use both to keep track of my opponents, and it's true I have gotten into
> the habit of removing a grade from GNU's assessments.

                                Snowie          gnubg
Supernatural/extraterrestrial   < 0.0012        < 0.005
World class                     < 0.0044        < 0.010
Expert                          < 0.0059        < 0.015
Advanced                        < 0.0088        < 0.020
Intermediate                    < 0.0126        < 0.025
Casual player/beginner          < 0.0185        < 0.030
Beginner/Novice                 > 0.0185        < 0.060
Awful!                          n/a             > 0.060

I've no trouble changing the threshold for gnubg, however, before we do
that I would very much like to see the error rate for a number of
matches analysed on both Snowie4 and gnubg.


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