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Subject: Re: Experiment #6 - 2nd match finished !

Author: martin fierz

Date: 03:46:39 10/14/03

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On October 14, 2003 at 06:19:17, Gerhard Sonnabend wrote:

>Hi !
>
>The second match is closed.
>(I only post the short tables here)
>
>Could any chessprogram profit from longer/shorter levels ?
>
>At the moment i carry out an experiment to find out if there are chessengines
>which profit from shorter or longer (time)levels more than other engines.
>Played on a P4-1600 / 64MB HTs / 4-TBs / ponder=off
>with the "Noomen" (A-H) (=160 games every match) under the ChessBase-Fritz7-GUI.
>
>Completed are:
>Shredder 7.04 vs Junior 8.0.0.2
>                Total    (+  1/2 -)
>  5min/game   98.5-61.5  (87-23-50)
> 10min/game   94.0-66.0  (76-36-48)
> 30min/game   92.5-67.5  (70-45-45)
>120min/game   89.5-70.5  (65-49-46)
>
>and:
>
>Shredder 7.0(CB) vs Fritz 8.0.0.5
>                Total    (+  1/2 -)
>  5min/game   63.0-97.0  (40-46-74)
> 10min/game   68.0-92.0  (49-38-73)
> 30min/game   72.5-87.5  (47-51-62)
>120min/game   68.5-91.5  (43-51-66)
>
>The current matches is (after 120 games per Level):
>Chess Tiger 15.0(CB) "Normal" vs Beta-WIN-Rebel 12 (style=Test12a)
>                Total    (+  1/2 -)
>  5min/game   83.0-37.0  (68-30-22)
> 10min/game   80.0-40.0  (63-34-23)
> 30min/game   68.5-51.5  (48-41-31)
>120min/game   65.5-54.5  (41-49-30)
>(Played on a Cel. 1.8GHz / 128MB HTs / ...the rest look above)
>
>The details and the games can be found on:
>www.pcschach.de
>
>Best G.S.

nice tests! shredder vs junior and CT15 vs rebel 12 beta at least show trends of
favoring one program at short and another program at long time control.

this seems quite natural to me. if one program has better move ordering than
another it will do better at longer time controls, since better MO is an
exponential gain. i have seen this behavior in my checkers program in matches
against another program - mine does better at longer time controls. and, since i
know the other programmer well, i also know that i spend a lot more time on move
ordering. so i'm not really surprised about my checkers result. i'm more
surprised that some people don't want to believe that this effect exists :-)

cheers
  martin

• Re: Experiment #6 - 2nd match finished ! Roy Eassa 10:08:31 10/14/03
  • Re: Experiment #6 - 2nd match finished ! martin fierz 14:04:04 10/14/03
    • Re: Experiment #6 - 2nd match finished ! Roy Eassa 08:28:30 10/15/03
    • Re: Experiment #6 - 2nd match finished ! Russell Reagan 15:41:49 10/14/03
• Re: Experiment #6 - 2nd match finished ! James T. Walker 04:21:47 10/14/03
  • Re: Experiment #6 - 2nd match finished ! Mikael Bäckman 07:38:00 10/14/03
    • Re: Experiment #6 - 2nd match finished ! Gerhard Sonnabend 10:11:25 10/14/03
      • Re: Experiment #6 - 2nd match finished ! Mikael Bäckman 15:37:36 10/14/03
        • Re: Experiment #6 - 2nd match finished ! Gerhard Sonnabend 22:03:43 10/14/03
          • Re: Experiment #6 - 2nd match finished ! James T. Walker 06:32:54 10/15/03
• Re: Experiment #6 - 2nd match finished ! Uri Blass 04:00:39 10/14/03
  • Re: Experiment #6 - 2nd match finished ! martin fierz 04:58:17 10/14/03
    • Re: Experiment #6 - 2nd match finished ! Uri Blass 05:20:00 10/14/03
      • Re: Experiment #6 - 2nd match finished ! martin fierz 05:51:34 10/14/03

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