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Subject: Re: Importance of a transposition table

Author: Robert Hyatt

Date: 18:20:35 12/08/02

Go up one level in this thread


On December 08, 2002 at 15:01:02, Andrew Williams wrote:

>On December 08, 2002 at 14:33:52, Matthias Gemuh wrote:
>
>>>
>>>I do not know commercial engines well. Is it possible to let them run without
>>>transposition tables? How could one know it? For my engine, it would not be
>>>difficult, to still use a small transposition table, when the user gives "hash
>>>0". But it won't. It would probably not be easy to detect.
>>>
>>>Regards,
>>>Dieter
>>
>>
>>My BigLion will not even run without transformation tables because it uses the
>>table to hash its move lists. This is a clear indication that BigLion is more of
>>a joke than of a serious chess program.
>>
>>/Matthias.
>
>I don't see why! My program needs at least one TT entry to run properly.
>
>Andrew

Crafty has a minimum size too.  I depend on this for move ordering from
one iteration to the next and don't allow zero entries at all, nor do I
allow just one.  :)




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