Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: next deep blue

Author: Dave Gomboc

Date: 11:21:19 01/27/00

Go up one level in this thread


On January 27, 2000 at 13:00:39, Christophe Theron wrote:

>On January 27, 2000 at 00:06:19, Dave Gomboc wrote:
>
>>On January 25, 2000 at 21:26:19, Christophe Theron wrote:
>>
>>>On January 25, 2000 at 13:33:36, Dave Gomboc wrote:
>>>
>>>>It seems weird to me that when Ed Schroder says Rebel does better without
>>>>null-move than with it, people believe it, but people criticize the DB team for
>>>>not using it (e.g. from your text above: "by not using a good, known pruning
>>>>system...").
>>>
>>>If the DB team did not have enough time, they could simply take the null move
>>>algorithm because there is documentation available on it.
>>>
>>>However null move is not the final say. Rebel does very well with ANOTHER
>>>pruning system. Junior does very well with ANOTHER pruning system as well. And
>>>there are other programs that do fine without null move, one of which I know
>>>very well.
>>
>>Yes, and DB does very well with ANOTHER pruning system too.  What's your point?
>>
>>Dave
>
>
>My point is that they claimed that they did not use one. Several of us, looking
>at the apparent branching factor shown in the DB log files, have doubts about
>this.
>
>
>    Christophe

Where did they claim that they did not use one?  In their published work they
clearly stated the contrary.

Dave



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.