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Subject: Re: Conspiracy Numbers Search

Author: Bruce Moreland

Date: 20:41:23 11/12/05

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On November 11, 2005 at 16:13:08, Theo van der Storm wrote:

>On November 11, 2005 at 15:41:24, Martin Giepmans wrote:
>
>>On November 11, 2005 at 15:30:59, Dann Corbit wrote:
>>
>>>On November 11, 2005 at 15:12:14, Maurizio Monge wrote:
>>>
>>>>Hi,
>>>>i've found that there was a lot of research about conspiracy numbers search
>>>>algorithms.
>>>>Does anybody know if someone tried to make a chess program with it?
>>>>AFAIK, it is not used on any modern chess program that i know of (like fruit,
>>>>crafty, etc), does this means that the idea cannot be succesfully applied to
>>>>chess?
>>>
>>>It is used to prove mates and things like that.
>>>GCP did use it in a pervious version of Sjeng.
>>
>>
>>I think what GCP used was proof-number search.
>>IIRC, Ulf Lorenz of Paderborn University used conspiracy numbers search in his
>>chess engine (on a parallel computer with many processors).
>>
>>Martin
>
>And Maarten van der Meulen was one of the first to use it.
>m1.0.
>
>Theo

The program Ulysses used it in Hong Kong 1995 WCCC.

bruce




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