Computer Chess Club Archives

Search

Messages

Subject: Re: Easy & Hard

Author: Slater Wold

Date: 13:55:27 07/26/02

Go up one level in this thread

On July 26, 2002 at 14:53:33, Dieter Buerssner wrote:

>On July 26, 2002 at 00:54:10, Slater Wold wrote:
>
>>8/pR4pk/1b2p3/2p3p1/N1p5/7P/PP1r2P1/6K1 b - - 0 31
>>
>>The only move to make here is Rxb2.  The win is only about 10 moves away, and
>>while some programs I tested find Rxb2, none have an impressive score.  And
>>that's *if* they find it.
>
>What would be an impressive score?
>
>>8/pR4pk/1b5p/2p5/N1p2P2/6P1/PP1r2P1/6K1 b - - 0 29
>>
>>Same position.  Only slightly deeper.  No program I tested can find Rxb2.
>
>I think, programs that have a rather high value for the Q will find it in
>reasonable time. Yace on a rather slow computer needs about 1 minute. Yace uses
>10 for the Q. I did not test, but I guess with a value of 9, it would be much
>harder. I get a score of about one half pawn advantage for black, which seems
>stable. Is this won for black? I cannot see it ...
>
>Regards,
>Dieter

Both postions are confirmed wins for black after Rxb2.

One is deep and one is deeper.

• Re: Easy & Hard Dieter Buerssner 15:14:08 07/26/02
  • Re: Easy & Hard Slater Wold 19:45:57 07/26/02
    • Re: Easy & Hard Dieter Buerssner 12:00:26 07/27/02
      • Re: Easy & Hard Slater Wold 15:24:14 07/27/02
    • Re: Easy & Hard martin fierz 21:13:29 07/26/02
  • Re: Easy & Hard martin fierz 17:31:10 07/26/02
    • Re: Easy & Hard Dieter Buerssner 11:35:43 07/27/02
• Re: Easy & Hard Kolss 14:47:36 07/26/02

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.