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Subject: ICC vs. FICS ratings

Author: Dan Homan

Date: 06:45:18 06/08/98

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On June 08, 1998 at 07:10:37, Vincent Diepeveen wrote:

>
>On June 05, 1998 at 20:25:15, Will Singleton wrote:
>
>>
>>>On June 05, 1998 at 11:14:24, Dan Homan wrote:
>>>
>>>I'll log EXchess onto FICS tonight.  I should have an account
>>>set up on ICC soon.  (I've set it up, but I am just waiting for the
>>>admin to register it as a free computer account.)  I was waiting
>>>until I could afford a fast machine, but I figure that will be
>>>a long way away....
>>>
>>> - Dan
>>>
>>
>>Yes, ICC does have slightly more action.  The program is hardly ever
>>idle, plays almost continuously.  Good competition too, though the
>>ratings are inflated relative to fics.
>>
>>Will
>
>Are they really inflated, considering that at icc the average
>timecontrol of
>a game is way faster?

Definitely inflated, by at least 100 pts.  My program plays on
both servers with essentially the same time controls (almost
always 5 0, some 3 5) and is about 100 pts stronger on ICC.  This
is after only a weekend of play on ICC, however, and I had a bug in
my icc (hacked robofics) interface which caused me to hang and
lose many games to < 1500 strength players.  I think the descrepancy
will be larger when I play more games.  Several other programs that
I know seem to have +200 (or more) pts on ICC relative to FICS using
the same hardware, but I do not know about time controls.

It is very plausable that one server may be inflated/deflated with
respect to another... for many reasons.  One might be that FICS and
ICC use slightly different rating systems - the FICS system takes
into account how many games you have played recently when deciding
how much your rating should change as a result of a given game.
I guess that it really doesn't matter the reason though, because
all that is meaningful is the rating difference between players on
the same server.

 - Dan

>Greetings,
>Vincent



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