Author: Robert Hyatt
Date: 19:42:43 01/23/00
Go up one level in this thread
On January 23, 2000 at 20:40:08, Chris Carson wrote: >On January 23, 2000 at 17:23:23, José de Jesús García Ruvalcaba wrote: > >>On January 23, 2000 at 12:46:36, Robert Hyatt wrote: >> >>[big snip] >>>Deep Thought's processor was a 1987 piece of hardware. By 1995 it had proven >>>itself to perform at a GM level, with three numbers you can choose from. An >>>official USCF rating of 2551 over almost 50 games. A TPR over its best 25 >>>consecutive games of 2650. And finally if you only count deep thought games >>>without the first few which had horrible hardware problems, it had a TPR of >>>2590. >>> >>>All are impressive. _all_ are 1986 hardware (the single processor version, >>>called "chiptest" first played in the 1986 ACM tournament.) >>> >>>So 1986 hardware produced a true GM-level machine, based on enough games that it >>>can't be considered a fluke or accident. >>> >> >> Sorry Bob, but I definitely do not consider these achievements as "true >>GM-level". Feel free to disagree. >> >>>Today, Rebel is trying to produce the same result, on hardware that is 14 years >>>newer. It is _very_ close to 2500. It isn't as close to 2650 (by taking the >>>best 25 games vs humans). But it might make 2500 by the Summer with a little >>>luck. >>> >> >> Rebel is playing against FIDE rated players. The 2650 you mention is USCF. >> >>>With the above data, how far _ahead_ of Rebel (in terms of time) would you say >>>DB-2 is? Rebel has yet to do what 1986 hardware has done. No other program >>>has yet produced a GM-class rating over 25 games. My guess is, as it always has >>>been, at _least_ 10 years behind. >>> >>>We can discuss any of the above that you like, of course... >>> >>>We have DT's results documented quite well. We have (thanks to Enrique) >>>Rebel's results so far. A few more months will push this to 25 solid >>>games... 1986 vs 1999 hardware. fairly close comparison in performance. >>> >>>Of course, we have the problem of the 1997 version of the Hardware to deal >>>with. :) > >Good points. DT ratings are USCF, today commercials are FIDE. > >IMHO: FIDE ratings = USCF - 100, I will keep as my opinion >until I can locate the source I got this from. I have heard >this a lot, so please feel free to help out and point me in >the right direction. :) > >Best Regards, >Chris Carson try hitting www.cis.uab.edu and going to faculty and then "ken sloan". He used to have some good data on this. At the 2500+ end of the scale, ratings are not FIDE=USCF+100. It was much lower...
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