Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: developing Junior (and other pro programs)

Author: Uri Blass

Date: 07:36:58 09/03/02

Go up one level in this thread


On September 03, 2002 at 10:22:46, Robert Hyatt wrote:

>On September 03, 2002 at 06:58:41, Gian-Carlo Pascutto wrote:
>
>>On September 02, 2002 at 19:33:48, Robert Hyatt wrote:
>>
>>>Near the tips of the tree?  traditional killers, captures, whatever, works
>>>quite well out there...  about as well as hashing, since the depths will be
>>>so shallow...
>>
>>If you do them, yes. But IIRC, the DB hardware had no killers, just
>>MVV/LVA captures.
>>
>>--
>>GCP
>
>
>I actually don't remember whether it does or not, but I suspect not.  But
>captures are _the_ most common refutation move anyway.  I would never argue
>that their alpha/beta hardware search is as good as a software alpha/beta
>search, for lots of reasons.  But if all you are doing 99.9% of the time,
>is just proving that a score is >X or <X, then no re-searches are needed, and
>efficiency is not an issue whatsoever with respect to hashing.

Hasing is clearly important to prove that the score is >x or <x and the same for
killers.

Without them you may often start with the wrong move in your search.

Uri



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.