Author: Robert Hyatt
Date: 11:07:23 02/28/98
Go up one level in this thread
On February 28, 1998 at 12:03:03, Enrique Irazoqui wrote: >On February 28, 1998 at 10:55:31, Robert Hyatt wrote: > >>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... > >Of course it would be better to run all matches on equal platforms, but >this does not disqualify results Fritz 5 got in matches on uneven >computers. SSDF always did this with the 59,000 games they played so >far. Fritz 5 played both, matches on two P200MMX and on P200MMX vs. >P90s. Like all other top programs recently: Rebel 8 and 9, Hiarcs 6, >Nimzo98, Mchess 6 and 7, Genius 5 Also these programs played matches on >P200MMX against P90s. > >In the use of different platforms I don t see anything atypical that >allows singling out Fritz s case. > >Enrique I wasn't implying anything wrong at all. Just the huge one-sided wins by fritz looks amazing until I noticed the 3X speed handicap. That makes those particular win/lose numbers mean something different than if they were posted for equal hardware matches...
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