Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Checkers Programs

Author: Robert Hyatt

Date: 15:54:26 08/12/03

Go up one level in this thread


On August 12, 2003 at 04:58:45, Uri Blass wrote:

>On August 12, 2003 at 04:39:36, martin fierz wrote:
>
>>On August 11, 2003 at 20:51:54, ludicrous wrote:
>>
>>>A little bit off topic, but I'd like to know if there is a SSDF-like list for
>>>Checkers Programs?    I've heard of KINGSROW and it seems to be the Ruffian
>>>equivalent of Checkers.
>>>
>>>Which is the strongest?
>>>
>>>What is the rating systems used in Checkers?
>>
>>there is no SSDF-like list for checkers programs. there are a couple of strong
>>checkers programs out there, all are by far good enough to beat any human. there
>>are two strong free programs, you should check out these first; kingsrow and
>>cake "sans souci" for the checkerboard interface.
>>
>>the strongest commercial engine is nemesis, which won the computer world
>>championship in front of kingsrow and cake in august 2002, but with a very
>>narrow margin. i don't think it is any better than the improved 8pc versions of
>>kingsrow and cake which have been published after the championship - nemesis was
>>never updated since then.
>>
>>the chinook team has completed the 10pc endgame database early this year, and
>>with that, chinook will be the strongest program there is.
>
>How do you know it?
>
>the fact that a program has more tablebases does not mean automatically that it
>is stronger.

It does when you know that most all searches now end up in the endgame tables.

:)

IE the hit percentage was horribly high after the 9 piece files were done.  I
think Jonathan claimed 70% of the _first_ searches done reached the tables for
perfect scores.  That obviously just went up a good bit...


>
>Without testing it is impossible to know.
>
>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.