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Subject: Re: Are computers stronger at 40/2hours compared to 3min/move?

Author: Dann Corbit

Date: 14:53:59 05/14/03

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On May 14, 2003 at 17:23:47, Uri Blass wrote:

>On May 14, 2003 at 14:59:17, Dann Corbit wrote:
>
>>On May 14, 2003 at 14:53:58, J. C. Boco wrote:
>>
>>>I've been musing about different computers, both dedicated and software for
>>>PC's.  I've recently had a new thought which I'm sure is old-stuff to all of you
>>>veterans out there.
>>>
>>>I usually play with the level setting which states the average response time for
>>>the computer to make one move.  For example let's say the level is "3 minutes on
>>>average for each move".
>>>
>>>But I could achieve the same time control by setting the computer up for 40
>>>moves in 2 hours, and let the computer budget its time.
>>>
>>>While I can see that the time control of 40/2hours may make the machine a little
>>>stronger since it can search deeper (longer) in hairy positions, just how much
>>>stronger will it get?
>>>
>>>My lay guess is the 40/2hours time control is not much stronger than the 1 move
>>>every (on average) 3 minutes.  Does anyone have any insight?
>>
>>Depends on how you look at it.  At slow time controls computers will play better
>>and have fewer mistakes.
>>
>>However, the ratings for computer programs are much higher at fast game rates,
>>and the faster the time control the higher the rating.
>>
>>Imagine playing game in 10 seconds and you can imagine why.
>
>He does not talk about faster time control.
>
>3 minutes/move is the same average time per move like 2 hours/40 moves.

Yes, I see now.

In that case, the computer will lose some strength, since they will not be able
to resolve a fail low if it occurs.  There is a lot more flexibility at 40/2
than at 3 minutes per move.



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