Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Different Hydra personalities against Rybka

Author: Ryan B.

Date: 11:35:27 12/13/05

Go up one level in this thread


On December 13, 2005 at 08:35:07, Chrilly Donninger wrote:

>On December 13, 2005 at 06:08:49, Ryan B. wrote:
>
>
>>
>>Does the standard version of Hydra use any foward purning other than Null move?
>>
>>Ryan
>Everybody uses nowadays additional pruning. Otherwise the big search-depths
>would not be possible. Hydra uses them too. But so far not History-Pruning. Did
>not work with the other pruning techniques.
>The kind of pruning is a secret. One big error - publishing NullMove - is
>enough. But NullMove was anyway known in the community.
>
>Chrilly

I suspected that most strong programs use additional pruning.  I asked because I
read a claim by Vincent that Deip and Zappa only use Nullmove for pruning.

Ryan



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.