Author: Christophe Theron
Date: 08:50:37 01/16/01
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On January 15, 2001 at 10:45:21, Kim Roper Jensen wrote:
>Hi
>
>I just wondered, If u have a slow processor how would u program it to play chess
>??
>
>I mean will u try to create a big eval and hope it selects "good & natural"
>moves and have small depths, or do u try make a small eval and hope u can
>calculate to a reasonable depth ????
>
>Or is there no difference in program design, when u program a fast or slow
>processor ??
>
>With regards and thamks in advance
>Kim
There does not need to be any difference in design for very slow and very fast
processor, at least for the range of speeds that are currently in use.
For example Chess Tiger performs very well on very slow computers (down to
386sx-20MHz) up to the fastest PCs of today (Athlon 1GHz and more).
When I say "performs very well" it means "performs very well against the best
programs you can find for any of these speeds".
I take Chess Tiger as an example because I know it well. I'm almost certain that
it is not an unique example. I'm pretty sure Ed's programs do very well on slow
computers too (he has progammed for the 6502 as well as for fast PCs), and it is
also the case for Morsch's programs (adapted for a number of dedicated machines,
and under the name Fritz on PC).
I guess Junior would not have problems on slow computers.
Lang's programs have been very good on any computer platform until recently.
They are not anymore, but I guess it's not a design problem. Just the fact that
the author did not invest enough research time in the last 4 years.
Christophe
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