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Subject: Re: Fail-Low ?

Author: Robert Hyatt

Date: 17:57:30 04/05/00

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On April 05, 2000 at 20:54:52, Nobuhiro Yoshimura wrote:

>   I am writing a Japanese Chess program using PVS with iterative deeping and
>hash tables.   I often get a fail-low at the root node at the end stage of
>the game.   I would like to know how offten do you get fail-lows in
>searching the chess game tree and also what kind of bugs are possible to cause
>many fai-lows.


I don't quite understand why you think it is a bug.  IE sometimes when you
go a ply deeper, you discover some threat your opponent has that you simply
can't defend against, and the score drops.  It is not abnormal...

• Re: Fail-Low ? Nobuhiro Yoshimura 21:45:28 04/05/00
  • Re: Fail-Low ? Ulrich Tuerke 07:32:15 04/06/00
    • Re: Fail-Low ? Nobuhiro Yoshimura 17:14:41 04/06/00
  • Re: Fail-Low ? Will Singleton 23:21:58 04/05/00
    • Re: Fail-Low ? Nobuhiro Yoshimura 17:07:53 04/06/00

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