Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Mate in Seven Problem...This mate in four is more difficult!

Author: Sylvain Renard

Date: 14:20:54 02/11/99

Go up one level in this thread


On February 08, 1999 at 17:50:14, Robert A. Basham wrote:

>My Extreme Chess finds move one at 12 ply -- in about 10 min.
>(slow machine)...  :-)
  My program Capture finds it in 3 seconds (Pentium Pro 200 MHz).

This one is more difficult (8 queens on the board):

k2q4/6Q1/2q5/7Q/1Q6/4Q3/q7/5QK1 w - -

Many programs see a mate in 5 and don't go further,
but it a mate in 4. (1.Qhe8!)

source: Europe Echecs  december 1997 p.16



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.