Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Interesting king security position

Author: Christophe Theron

Date: 22:01:51 05/19/98

Go up one level in this thread


On May 19, 1998 at 21:19:28, Thorsten Czub wrote:

>On May 19, 1998 at 15:01:12, Moritz Berger wrote:
>>
>>One addendum: I also wrote that Genius 5 / DOS (32 MB HT) on P233MMX
>>didn't find any of these moves within 3.5 hours (still wanting to
>>capture on a8 ...).
>
>I guess almost any program with or even without any king-safety
>evaluation WOULD find this move (b6 or g4) in 20 minutes. Depending on
>how fast and state of the art the search is. So what do you measure ?
>King safety ? Search depth ?

That's the point.

The position is interesting because a knowledged program could "sniff"
the solution way before a deep searcher.



>If genius is not finding it, it would only show that genius search tree
>works asymetrically. Take back one move and it should easily find b6/g4
>- or ?

Why don't you try and tell us if it works? Facts, please!



BTW here are the results on this position for Chess Tiger 11.4 (32Mb
hash):

On K5-100MHz:
  Finds b6 in 11 min 23 sec (ply 9).
  Then finds g4 in 24 min 04 sec (ply 9).

Tiger is exactly twice as fast on a K6-200 (Thorsten can witness), so
here are the results on K6-200 (close to PII-233 I suppose):
  Would find b6 in 5 min 42 sec (ply 9).
  Would find g4 in 12 min 02 sec.


    Christophe



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.