Computer Chess Club Archives




Subject: Re: The King "Leiden" - Chesstiger 15 "normal" Now 6,5 -8,5 90 min blitz

Author: Christophe Theron

Date: 21:26:14 05/26/03

Go up one level in this thread

On May 26, 2003 at 11:22:09, Kurt Utzinger wrote:

>On May 26, 2003 at 02:40:49, Andre van Ark wrote:
>>On May 26, 2003 at 02:06:37, Heinz-Josef Schumacher wrote:
>>>>If you want my opinion it doesn't make any sense. Or I need a good explanation,
>>>>and some evidence.
>>>Exact my opinion! This rumour is in Germany in many heads, but without any
>>>evidence! More than 32 MB hash tables perhaps not useful for the King, but not
>>>bad! People had only misunderstood an old statement by Johan.
>>Good day,
>>32 MB is being used because Johan used in Leiden 30 MB.
>>Kind regards,
>>Andre van Ark
>    From own [old] tests under CM9-GUI in the analysis mode, I can remember
>    that some positions could not be solved at all or not within reasonable
>    time if hash tables were set higher than 32 MB hash. This may however be
>    no longer a problem after the second patch has been released [I have
>    however not investigated this]. And as Andre stated: Johan de Koning does
>    not seem to use more than 32 MB hash and there must be some reason for that.
>    Kurt

The only reason I can think about is that there is some bug in The King hash
table management. Or some strange design decision. That's what you say suggests
to me, but I must add immediately that given the quality of Johan's work I don't
really believe that it is the case.

Anyway maybe it would be better if Johan could tell us what to do (and if
possible, why).


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