Computer Chess Club Archives




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

Author: Uri Blass

Date: 09:04:35 09/21/02

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On September 21, 2002 at 11:45:27, Mogens Larsen wrote:

>On September 21, 2002 at 10:59:03, Uri Blass wrote:
>>Do you add Bob Hyatt who never tried the first idea of using checks only in the
>>first plies of the qsearch?(he tried the idea of doing checks everywhere in the
>>qsearch but doing it only in the first plies is different)
>No. Then again, I haven't seen anything that resembles indications of a
>substantial improvement, which was the actual point. Too skimpy an example to
>justify anyone to reveal their innermost secrets voluntarily IMO.

What do you define a substantial improvement?
I remember that Bas was talking about 65% in bullet against itself and also
positive but less significant result at longer time control.

He also said that it helped Tao to solve hard positions faster so it seems to
help also in long time control.

It was only one example and there are ideas that were other good ideas that were
discussed here(I remember that Christophe used my rule about draws in chess

Bob Hyatt also use one of my ideas in crafty.

Maybe every good idea is only a small improvement but when you collect some good
ideas the improvement is not so small.


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