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Subject: Re: Endgame position / running passed pawns

Author: Ernst A. Heinz

Date: 09:12:24 06/05/00

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On June 05, 2000 at 12:02:22, Ernst A. Heinz wrote:

>Hi Steffen,
>
>>[D]5k2/7K/6P1/1p3p2/1P5P/1Pb5/8/8 w
>>
>>White is obviously winning. The static evaluation of this position of my program
>>is totally wrong because Hossa thinks that the pawn f5 is running. Even after
>>some improvements Hossa needs 8 plies to see a positive score!
>
>"DarkThought WCCC'99" sees White winning from iteration #4 onwards.
>
>I suspect that you need carefully tuned extensions for pushes of
>passed Pawns to find this early and quickly.

By "carefully tuned extensions" I mean such that do not blow up
the search tree like hell.

For the position above, "DarkThought WCCC'99" still completes
iteration #13 in less than a second.

=Ernst=

• Re: Endgame position / running passed pawns blass uri 15:35:10 06/05/00
  • Re: Endgame position / running passed pawns blass uri 15:59:41 06/05/00
    • Re: Endgame position / running passed pawns Bruce Moreland 19:33:41 06/05/00
      • Re: Endgame position / running passed pawns blass uri 21:53:21 06/05/00
      • Re: Endgame position / running passed pawns Robert Hyatt 20:35:33 06/05/00
        • Just a few stupid questions..... Torstein Hall 14:55:45 06/06/00
          • Re: Just a few stupid questions..... Robert Hyatt 20:23:20 06/06/00
          • Re: Just a few stupid questions..... blass uri 16:14:49 06/06/00
            • Re: Just a few stupid questions..... Robert Hyatt 20:26:37 06/06/00
              • two sights of chessprogramming Inmann Werner 01:06:19 06/07/00

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