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Re: [pbmserv-dev] ratings
The biggest issue is...
while you are provisional, you can *lose* point when you beat a
weak opponent. Many users a dismayed by this behaviour.
The FIBS sysem apparently does not suffer from that behaviour.
(If I understand it correctly).
On Sun, Sep 22, 2002 at 01:40:17PM -0700, Lyman Hurd wrote:
> I have discovered that when you get them old enough
> you can get the kids to PLAY abstract games with you
> (voila two endeavors for the price of one :-)).
>
> I had to ask, what specific deficiencies of the old
> ratings system is the new system supposed to address?
>
> I know that there has been an open thread on team
> games and multiplayer games and how to rate them
> fairly. Is there concern that there are specific
> instabilities in the current system?
>
> Of course all ordering systems assume transitivity
> which does not always hold. Also ones performance
> against near and far rankings may be markedly
> different (when I first learned go I learned from a 6
> dan. For quite a while I played much stronger against
> really strong players (with appropriate handicap) than
> against ones nearer my level (not knowing how to
> capitalize on mistakes my teacher never made :-)).
>
> I have found the page that describes the new formulas
> and was just curious (I have a longstanding interest
> in dynamical systems that makes this sort of
> investigation irresistible!).
>
> Cheers,
>
> Lyman
>
> --- Richard Rognlie <rrognlie@gamerz.net> wrote:
> > On Sun, Sep 22, 2002 at 01:05:19PM -0700, Scott
> > Huddleston wrote:
> > > Richard,
> > >
> > > Thanks for the update. I'm just curious, not
> > trying to dun.
> > >
> > > Can you give some general ideas about what the new
> > rating system
> > > might eventually be? Would it mainly entail
> > changes to the rating
> > > system, changes in code architecture, or both?
> >
> > The new system is FIBS (first internet backgammon
> > server) based.
> > it's "real" (vs. integer). And the issue is
> > serious changes to
> > the code architecture. Essentially, I need to move
> > all the rating
> > from it's own class to a "part" of the Game class,
> > so it can be
> > inherited by each game engine.
> >
> >
> > > The "raise the kids" game has its share of fun too
> > :-)
> >
> > I've got them today (while my wife is at a baby
> > shower... we're having
> > fun laughing at the dog... (he's being silly for
> > some reason...)
> >
> > http://www.gamerz.net/rrognlie/images/Hairy/
> >
> > He's a big hairy dog.. hence the name. a little
> > over 4.. acting like
> > a pupppy today.
> >
> > > Thanks,
> > > - Scott
> > >
> > > >The answer is... I've never figured out a good
> > way to convert the
> > > >existing pbmserv rating code to a per game
> > mechanism that is inheritable
> > > >by class.
> > > >
> > > >It needs work on my part... yep yep yep. I
> > dropped the ball...
> > > >
> > > >*years* ago.
> > > >
> > > >I'd been hoping to work on it during my summary
> > vacation this year
> > > >but it seems my wife thinks I should help with
> > the kids... go figure.
> > > >
> > > >8^)
> > > >
> > > >On Sun, Sep 22, 2002 at 12:32:25PM -0700, Scott
> > Huddleston wrote:
> > > >>
> > > >> On Tue, 17 Sep 2002, John Williams wrote:
> > > >> >I finally found out what happened to the
> > fabled "new rating system" which
> > > >> >was going to be integrated in at one point,
> > but I have not looked at it to
> > > >> >determine whether it supports joint wins, or
> > how much work is left to make
> > > >> >it work at all.
> > > >>
> > > >> John,
> > > >>
> > > >> What IS the story with the fabled "new rating
> > system" that never appeared?
> > > >>
> > > >> Thanks,
> > > >> - Scott
> > >
> > >
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> > >
> >
> > --
> > / \__ | Richard Rognlie / Sendmail Ninja /
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>
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--
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