Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Is there a draw by reptition ?

Author: Vincent Lejeune

Date: 08:10:51 04/07/05

Go up one level in this thread


On April 07, 2005 at 10:42:47, Marc D wrote:

>On April 07, 2005 at 10:37:19, Günther Simon wrote:
>
>>On April 07, 2005 at 08:40:46, Marc D wrote:
>>
>>>On April 07, 2005 at 08:23:50, Vincent Lejeune wrote:
>>>
>>>>I think yes
>>>>
>>>>[d]4RQ2/5p2/2q2kp1/3p4/3P2PP/8/1K6/8 b - - 0 1
>>>>
>>>>Is there any program find it (in less than 30 min) ?
>>>
>>>
>>>Analysis by X3D Fritz:
>>>
>>>1. +- (2.71): 1...Dc6-b5+ 2.Kb2-c2 Db5-c4+ 3.Kc2-d2 Dc4xd4+ 4.Kd2-e1 Dd4-g1+
>>>2. +- (#10): 1...Dc6-b6+ 2.Kb2-c2 Db6-c6+ 3.Kc2-d2 Dc6xe8 4.Df8xe8
>>>3. +- (#9): 1...Dc6-b7+ 2.Kb2-c2 Db7-c6+ 3.Kc2-d2 Dc6xe8 4.Df8xe8
>>>4. +- (#7): 1...Dc6xe8 2.Df8xe8 Kf6-g7 3.g4-g5 f7-f5 4.De8-e7+ Kg7-g8 5.h4-h5
>>>5. +- (#4): 1...Dc6-c1+ 2.Kb2xc1
>>>
>>>After forcing Qc3+ this:
>>>
>>>Analysis by X3D Fritz:
>>>
>>>2.Kb2xc3 g6-g5 3.Df8-h6#
>>>  +-  (#2)   Tiefe: 3/16   00:00:00
>>
>>
>>The question was to find a perpetual draw, not the
>>quickest help mate (:
>>
>>Guenther
>
>
>I don't know how this could be done since all engines (i started) show a favour
>for white.

Engines don't play perfect chess :)


>Neither did any perpetual check (which is not possible) work out.

"Sure" or "May be" ? :)


>I thought due to this there is no perputual draw chance and i should instead
>post that it could be actually mate.
>
>Sorry my fault :-(
>
>Marc



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.