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Subject: Re: 12(6) issue resolved

Author: Vincent Diepeveen

Date: 16:16:04 10/19/02

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On October 19, 2002 at 17:59:05, Jesper Antonsson wrote:

I am under the clear belief that Fritz eval is much
better than that of deep blue. Of course it's not a fair
compare. Fritz is made in 2002. Deep blue in 1996-1997.

It is comparing an airplane from 1910 with an airplane 2010.

computerchess progresses so much and so fast. I am sure
that programs from 2002 soon will be having major problems
with generations from 2007 too.

the best example is programs from 1997 running them on
todays hardware. for example this tournament ZZZZZZ from 1997
is joining.

when reaching 9 ply, then getting to 10 and 11 ply is a major
problem. branching factors from 10 are pretty normal for it.

Schach 3.0 i saw the same thing show up too.

Also DIEP versions from 97 you can't compare with 2002 versions.
it's tested now to go further and further than 10 ply. 97 versions
stopped at 8, 9 ply.

>On October 19, 2002 at 17:27:43, Uri Blass wrote:
>
>>They probably searched more important lines than Fritz so I do not think that
>>their 12 plies are eqvivalent to fritz's 12 plies but I still strongly believe
>>that their 12 plies are not more than Fritz's 14 plies and Fritz can search more
>>than 14 plies in the middle game with fast hardware so I guess that Fritz with
>>fast hardware is better.
>>
>>Uri
>
>Why? If they reached 12 true plies (without nullmove) and did more extensions on
>top of that, why do you "strongly believe" that that was not "more" than Fritz's
>14 pruned plies? And remember that DBs eval was much better than Fritz's. (I
>know you won't agree, but I believe Hsu here, because I know the DB team was
>smart and because Hsu in a better position to know than you are.)
>
>/Jesper



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