Computer Chess Club Archives




Subject: Re: Ruffian 0.76 is still playing incredible strong!

Author: Uri Blass

Date: 06:11:05 09/21/02

Go up one level in this thread

On September 21, 2002 at 08:40:23, Uri Blass wrote:

>On September 21, 2002 at 08:25:12, Mogens Larsen wrote:
>>On September 21, 2002 at 06:56:31, Uri Blass wrote:
>>>You think that the value of the forum is only to help the author and if it
>>>cannot help him the forum is not of much use.
>>Do I now? Interesting ;-). To be exact, I believe that most of the helpful
>>advice posted here is worth very little elowise unless you're a novice
>>programmer. That's my impression at least (aka. uninformed estimate).
>I think that yor estimate is wrong here.
>one idea that was posted by Bas Hamastra to do checks in the first plies of the
>qsearch and I think it is productive for movei.
>This idea is not used in Crafty of today and Bob did not try it.
>Another idea by David Omid encouraged me to try R=3 in null move pruning and the
>results seem to be better.

I forgot to say that Vincent already said in the past that R=3 is best for him
but I guessed that R=3 may be productive only for programs with more knowledge
than movei in their evaluation and only after David Omid said that it was good
for Genesis that has not a big evaluation I decided to try it on movei.


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