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Subject: Re: The difference between short and long time controls

Author: Uri Blass

Date: 02:27:40 10/14/03

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On October 13, 2003 at 17:39:03, Russell Reagan wrote:

>On October 13, 2003 at 17:16:20, Joachim Rang wrote:
>
>>Game              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)
>>
>>you see no difference at 5min/game and 120 min/game contrary to the
>>ChessTiger-Rebel-Match.
>
>I doubt the trend will always hold perfectly, but I bet it would hold the
>majority of the time. Even this match holds most of the time. Only the
>120min/game match doesn't hold. If you look at the margin of victory, it goes:
>
>G/5    34 points
>G/10   24 points
>G/30   15 points
>G/120  23 points
>
>Only the last result increases. If you ran this test numerous times with many
>different engines, I bet you'd see the trend of closer results with longer time
>controls.
>
>I will start to run some more test matches when I get home from work tonight.

I think that tests with unequal time control are needed.

You should give the inferior program more time so it gets 50%.
Later the question is if the program can get more than 50% or less than 50% with
the same relative time advantage at longer time control.

Uri



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