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

Author: Mikael Bäckman

Date: 07:38:00 10/14/03

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On October 14, 2003 at 07:21:47, James T. Walker wrote:

>On October 14, 2003 at 06:46:39, martin fierz wrote:
>
>>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
>
>So what would happen if you took Shredder vs Junior & CT15 vs Rebel 12 beta and
>played them at G/120 minutes on a 286-12Mhz cpu ??


I guess the results would be similar to the 5min/game listed above.

/Mikael



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