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Subject: Re: SSDF Rating Irregularities

Author: Robert Hyatt

Date: 07:19:26 12/12/99

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On December 12, 1999 at 02:26:26, Ed Schröder wrote:

>>Posted by Robert Hyatt on December 11, 1999 at 21:08:12:
>>
>>Comp vs Comp will say nothing about how comp vs human goes.  IE for an example,
>>Tiger 12 looks _very_ strong vs computers, but so-so against humans.  I have
>>not yet studied its games very carefully, although I now have a couple of dozen
>>games vs Crafty on ICC and FICS.  It seems to be perfectly tuned to beat
>>computers... it seems very materialistic and ready to accept any gambit offered,
>>and they try to make the opponent justify it accurately.
>
>>How it is going to do once it is out 'en masse' will be very interesting to
>>watch.
>
>Same here.
>
>
>>But it clearly isn't doing _nearly_ as well vs humans (even with anti-human on)
>>as it is doing against other programs...
>
>Do you have some game examples that supports your strong judgement?
>
>Ed
>
>
>>Which is completely not surprising.  I said several years ago that to attempt to
>>write a program to blast to the top of the SSDF is a _totally_ different thing
>>from trying to write a program to blast to the top of the FIDE rating list.
>>
>>The games are too different...


Somebody else already posted a really bad result vs a humaon on FICS (winning
1/3, losing 2/3, against a player that isn't a "master" of anything but anti-
computer chess.  I have watched "other" players (not often as I don't watch
very often, except when crafty/scrappy is idle) also cause problems...  This
is the most striking example of comp-vs-comp strength being _far_ different than
comp-vs-human strength that I recall in recent years...

But as I mentioned before, remember that "I am 10 years behind the commercial
programs".  I don't see any reason to point out the weaknesses of someone that
is 10 years ahead of me, wouldn't you agree?  But, in fact, the problems are
very obvious, so my analysis isn't needed anyway...

Fixing the problems is going to adversely affect its currently great
anti-computer style of play, however...



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