Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: computer programs cannot see a very simple draw in a pawn ending

Author: Bruce Moreland

Date: 09:41:39 06/23/98

Go up one level in this thread



On June 22, 1998 at 16:11:47, John Stanback wrote:

>This is a nice position for testing/debugging transposition
>tables and draw by 50 move rule.  I modified Zarkov to allow
>it to search beyond 100 plies, but it didn't find the draw.
>Then I added 1 line of code to store positions which were
>scored by the 50 move rule or draw by repetition in the
>transposition table before returning from search().  Now it
>gets a score of 0 after a 101 ply search, which takes about
>6.7 seconds.

I don't store them.  I figure that the actual exact point where you find a
50-move or rep draw is totally path dependent, so I figure it doesn't make sense
to store the value there.

Since mine works here, there is more to this, I think.

bruce



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.