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Subject: Re: Time-managenent of programs dependent of remaining time of the opponent?

Author: Jeremiah Penery

Date: 15:28:06 10/30/99

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On October 30, 1999 at 12:45:59, Robert Hyatt wrote:

>On October 30, 1999 at 09:58:57, Enrique Irazoqui wrote:
>
>>On October 30, 1999 at 09:49:14, Robert Hyatt wrote:
>>
>>>On October 30, 1999 at 09:32:22, Peter Schneider wrote:
>>>
>>>>Time-management of programs dependent of remaining
>>>>time of the opponent?
>>>>
>>>>In human-human matches the time for reflection is considerably
>>>>influenced from the remaining time of the opponent.
>>>>E.g., if the opponent has only little time at his clock (Zeitnot),
>>>>fast moves can be beneficial in order to shorten his
>>>>"permanent brain" time.
>>>>
>>>>Is this concept already realized in programs?
>>>>
>>>>Peter Schneider
>>>
>>>
>>>Mike Byrne wrote code like this for Crafty.  We ran with it for a year or
>>>so and it had its plusses.  But on the other side of the coin, you are ahead
>>>on time, and yet you use less because your opponent has less.  I finally
>>>decided that I didn't like the overall result, although the idea seems
>>>reasonable.
>>
>>I think it was Tal who in his Autobiography said that playing quickly when the
>>opponent was in time trouble was a typical mistake of amateur players. Instead,
>>he recommended to use time fully, but complicating matters as much as possible.
>>
>>Enrique
>
>
>Correct.  The problem I saw was that this worked well against humans (more
>on this later).  But against computers, it is easier to make a mistake they will
>spot if you don't use more time than they do.

It shouldn't be too hard to make it use the normal time usage against computers,
but the other scheme against humans...

Jeremiah



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