Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A stupendous chess programming tutorial

Author: Tony Werten

Date: 00:37:41 10/17/03

Go up one level in this thread


On October 17, 2003 at 01:54:20, Russell Reagan wrote:

>On October 16, 2003 at 22:23:30, Dann Corbit wrote:
>
>>http://www.cs.man.ac.uk/~schalk/3192/large.pdf
>
>A very fine introduction indeed. I was somewhat suprised that forward pruning,
>especially null-move, didn't get a mention, since his approach seemed to be to
>touch on everything in an organized manner, without necessarily explaining the
>details with much depth.
>
>One question I had...
>
>"Development of endgame databases; all five piece endgames were
>solved. Some of these solutions were genuinely new, in that people
>didn’t realize that one player could force a win in some of these. As a
>result, the official Chess rules were changed."
>
>What rules were changed?

The 50 move rule for certain endgames was changed into a 75 move rule. They were
changed back after a while when it was clear that there were going to be more
exceptions.

Now, only the 50 move rule is in use.

Tony




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.