Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A search question that has to do with voluntary nature of draws

Author: Dann Corbit

Date: 18:57:14 05/10/01

Go up one level in this thread


On May 10, 2001 at 21:41:31, Robert Hyatt wrote:

>On May 10, 2001 at 20:15:19, Dann Corbit wrote:
>
>>Consider this position:
>>[D]r1b1r1k1/p4pp1/2p4p/n7/2PP4/2N2Nq1/PPQKBnP1/R1B3R1 b - -
>>Black is behind in material.  Black has a mate in 4.
>>
>>Suppose at some juncture of the game black could claim checkmate by the 50 move
>>rule if black so desired.  Would your search algorithm claim the draw or ignore
>>it and go for the checkmate?
>
>
>Crafty searches it as a zero-sum game.  If it sees a forced mate, it realizes
>that the opponent will claim the draw at move 50 if he can...  Crafty would not
>walk into the draw voluntarily unless it could find nothing better (ie it might
>try a pawn push or capture that resets the 50-move counter without giving up
>the forced mate opportunity.

I mean it the other way around.  The opponent has done a 3-repeat or the
opponent has gone 50 non-reversible moves.  It's your turn to play.  Will your
program seek the mate or claim the draw or something else



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.