Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Raw speed of Rebel 10 higher that Hiacrs 7.32 ?

Author: Robert Hyatt

Date: 15:43:54 10/03/99

Go up one level in this thread


On October 03, 1999 at 04:40:59, Ed Schröder wrote:

>>Posted by leonid on October 02, 1999 at 08:23:35:
>>
>>Is really Rebel 10 raw speed (search by brute force)is higher that of
>>Hiarcs 7.32?
>>
>>For the last few months I am trying to find exactly where the raw speed of
>>my logic for positional search stays. I tryed few best games. My response
>>was that my "branching factor" was not good. It went between bad, very bad and
>>just normal. Problem is that you can't say for sure that the game that you
>>comparer with do the "brute force search". During the last surprise I
>>found that in Hiacrs to reach the "brute force" you must put its "selectivity"
>>to zero. Now it is likely that Rebel raw speed is even higher that Hiacrs.
>>Is this last finding only mirage or "final truth"?
>>
>>Thanks for response,
>>Leonid.
>
>Unfortunately there is no "final truth", so you can stop searching :)
>
>Thinking (for example) 6 plies deep with Program_X can't be compared
>with 6 plies deep for Program_Y. Main reason: different type of
>extensions chess programs use.
>
>Best example is Deep Blue. DB's iteration depth is in the same league as
>the micro's. It is said DB uses massive extensions which explains it all.
>
>It is impossible to compare chess programs on ply-depth.
>
>Ed Schroder


Ditto for NPS values.  What is a 'node'?  Different programs give
different answers...



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.