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Subject: Re: when tablebases cause blunders

Author: Harald Faber

Date: 06:37:20 05/29/02

On May 29, 2002 at 02:34:34, Robin Smith wrote:

>The position is easily winning for white.  But tablebases cause programs to want
>to play 1.Rxf5?? after which there is a tablebase mate in 65 .... except the 50
>move rule kicks in first and the game ends up a draw.  Are there any programs
>that avoid this type of blunder?  [D] 5k2/3K4/8/R4b2/1R6/8/3B4/5r2 w - - 0 1

Sorry, I don't get the point here. I don't see '??' after 1.Rxf5 when the
exchange leads to #65. And concerning the 50 move rule: There are several
exceptions which allow more than 50 moves to mate. Your example with KRB<->KR is
one of the exceptions IIRC.

Re: when tablebases cause blunders Robin Smith 19:04:50 05/29/02
- Then FIDE sucks Harald Faber 05:25:40 05/30/02
  - Re: Then FIDE sucks José de Jesús García Ruvalcaba 07:24:46 05/31/02
  - Re: Then FIDE sucks Sune Fischer 03:20:42 05/31/02
  - Re: Then FIDE sucks David Dory 22:40:58 05/30/02
    - Re: Then FIDE sucks Uri Blass 23:23:49 05/30/02
      - Re: Then FIDE sucks David Dory 05:17:46 05/31/02
        
        Re: Then FIDE sucks Uri Blass 13:04:08 05/31/02
  - Re: Then FIDE sucks Robert Hyatt 13:11:22 05/30/02
  - Re: Then FIDE sucks Miguel A. Ballicora 08:00:23 05/30/02
    - Re: Then FIDE sucks Dieter Buerssner 14:42:19 05/30/02
      - Re: Then FIDE sucks Miguel A. Ballicora 14:59:47 05/30/02
        
        Re: Then FIDE sucks Robert Hyatt 17:28:55 05/30/02
        
        Re: Then FIDE sucks Dann Corbit 16:33:39 05/30/02
    - Re: Then FIDE sucks Rafael Andrist 12:50:56 05/30/02
      - Re: Then FIDE sucks Miguel A. Ballicora 14:36:36 05/30/02
        
        Re: Then FIDE sucks Dieter Buerssner 14:55:10 05/30/02
        
        Re: Then FIDE sucks Miguel A. Ballicora 15:10:18 05/30/02
  - Re: I think it's ok... Mike S. 06:04:40 05/30/02
    - No! Harald Faber 11:32:25 05/30/02
      - Re: Yes (says FIDE, and I agree :o) Mike S. 14:10:16 05/30/02
        
        No again Harald Faber 23:54:06 05/30/02
        
        Re: No again Mike S. 05:17:58 05/31/02
        
        Re: No again Uri Blass 00:21:00 05/31/02
        
        Re: No again Terry Ripple 01:23:52 06/01/02
        
        Re: No again Peter Fendrich 05:56:52 05/31/02
      - Re: No! Robert Hyatt 13:16:36 05/30/02
        
        Re: No! Harald Faber 23:56:03 05/30/02
        
        Re: No! Rafael Andrist 12:38:31 05/31/02
        
        Re: No! Odd Gunnar Malin 03:19:08 05/31/02
- Re: when tablebases cause blunders Terry Ripple 20:48:34 05/29/02
Re: when tablebases cause blunders Tony Werten 06:40:58 05/29/02
- Re: when tablebases cause blunders Terry Ripple 11:58:02 05/29/02
  - Re: when tablebases cause blunders Robin Smith 17:02:22 05/29/02

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