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Subject: Re: next deep blue

Author: José de Jesús García Ruvalcaba

Date: 14:23:23 01/23/00

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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. :)



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