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Subject: Re: SSDF, Fritz5 games

Author: Robert Hyatt

Date: 07:55:31 02/28/98

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On February 28, 1998 at 08:00:35, Enrique Irazoqui wrote:

>On February 28, 1998 at 05:40:01, Moritz Berger wrote:
>
>>On February 27, 1998 at 17:52:53, Thorsten Czub wrote:
>>
>>>>That looked quite amazing until I noticed the machines.  Fritz had a
>>>>3X speed advantage, maybe more, so that is not quite so surprising as
>>>>if they were run on equal hardware...
>>>
>>>Confirm again !
>>>Are this official ssdf-games ???
>>
>>SSDF has been doing this with *ALL* over programs for a long time ...
>>
>>Now Thorsten finds out that they treat Fritz 5 in the same way (i.e.
>>playing 200MMX vs. P90).
>>
>>*Now* he's beginning to wonder ...
>>
>>Moritz
>
>And I wonder why.
>
>By the way, SSDF is not the only one to run matches this way. Even in
>Paris we saw programs running on platforms 2 or 3 times faster than
>others.
>
>Something else: a 3x increase in speed is worth roughly 100 points,
>equivalent to scoring 62%. In both matches reported by Tony, Fritz 5
>scored almost 80%, which represents quite a bit more than the expected
>increase in strength due to a 3x speed up.
>
>Enrique



I'm not sure I agree with the "100 Elo" idea.  IE for years, I have seen
this "doubling speed produces a 70 point rating increase."  I would
guess
that *may* be right in normal games.  But I often run matches of Crafty
vs
Crafty, and when I try a 2x time handicap, I get *huge* changes in the
win
loss ratio.  I haven't done this recently, but the last time I tried it,
I
saw the one getting a 2x handicap win about 3 of every 4... which was
more
than I expected...

But in any case, it would be nice to see only 200mmx vs 200mmx or
whatever,
and stop this unequal platform competition, since it doesn't provide any
useful information, basically...



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