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Subject: Re: Reproducibility of Nunn matches is not so good

Author: Ulrich Tuerke

Date: 00:22:36 05/02/00

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On May 02, 2000 at 01:10:58, Jouni Uski wrote:

>About one week ago I posted "sensational" blitz Nunn test result Crafty17.10 -
>Fritz6a 12-8. And I wasn't lying! Now I have more time to re-check and second
>match ended 9 - 11 for Fritz. I also repeated two other matches with interesting
>results:
>                           1.              2.
>Crafty 17.10 - Lg2000   13 - 7         9,5 - 10,5
>Fritz6a - Lg2000        13,5 - 6,5     11 - 9
>
>Exact enviroment: AMD 450Mhz, ponder of, 16+16MB hash, 4m+1s level, 3+4+some
>5 piece TBs, Fritz6 interface, early resign.
>
>Conclusion: after 20 games You don't know much yet...
>
>Jouni

With learn off, the games should be exactly reproducable (IMHO). Why should the
search algo of either prog under the same pre-conditions produce another best
move for any of the positions some time later?
If you are right, then IMO either (or both) progs are kind of buggy, accessing
some non-initialized data or similar ?
Or does any body have anothe explanation ?

Uli



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