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Subject: Re: difference in chess program designs ??

Author: Severi Salminen

Date: 09:26:16 01/15/01

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On January 15, 2001 at 12:12:43, Uri Blass wrote:

>On January 15, 2001 at 11:27:54, Severi Salminen wrote:
>
>>>Or is there no difference in program design, when u program a fast or slow
>>>processor ??
>>
>>How fast is fast? How slow is slow? And BTW how slow is fast and how fast is
>>slow? I never got these right...
>>
>>Severi
>
>You can decide that fast is pentium1000 when the time control is 40 moves/2
>hours and that slow is 386 when the time control is 1 minute per game.

And 386 is fast in 1 minuta/game compared to Vic-20. And p1000 is slow compared
to DB and so on. Faster is better and wiser is better. Most of programs used
same principles 30 years ago (AB, nullmoves...). They played weak chess but they
played. The design has not chanced very much. Even now you can make simple
program to be either fast or slow. I spent 4 hours to get 5-10% speedup to my
movegen routines. Now I'm allmost Crafty-fast - is it fast or slow, I don't
know.

Severi



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