Computer Chess Club Archives




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

Author: Mogens Larsen

Date: 07:32:43 09/21/02

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

>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 wrote "unless you're a novice programmer". If you don't mind, I'll add you to
that category.

>The point is that the claim is that the program is going to be free.
>If it is the case then it seems that the author has not commercial aspirations.

You can't make that conclusion. The feedback will be important for further
development, which doesn't preclude a commercial venture. Who knows, the results
from the freeware version might mean a few offers from the commercial software


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