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Subject: Re: Code of CHESS 4.5 available?

Author: Yngvi Bjornsson

Date: 19:37:09 06/16/00

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According to the authors article in "Chess Skill in Man and Machine"
Chess 4.x was written entirely in assembly, whereas Chess 3.6
was a mixture of Fortran and assembly.

-Yngvi


On June 16, 2000 at 21:04:07, Tom Kerrigan wrote:

>On June 16, 2000 at 20:54:22, Christophe Theron wrote:
>
>>On June 16, 2000 at 20:15:58, Robert Hyatt wrote:
>>
>>>On June 16, 2000 at 15:02:31, Oliver Roese wrote:
>>>
>>>>I recall, i saw a printout of horrible quality in a book, some long time ago.
>>>>So i know the code is available for the public. But it seems not to be found on
>>>>the net somehere.
>>>>Or am i wrong here?
>>>>
>>>>Oliver Roese
>>>
>>>
>>>Note that it was written in Compass (CDC assembly language).  I am sure it is
>>>laying around somewhere... I used to have a copy of it myself.  However, it was
>>>very hard to read...
>>
>>
>>I remember that I have read somewhere that Chess 4.x was entirely written in
>>Fortran 77.
>>
>>Well you must know better than me, as you have met the authors of the program...
>>
>>
>>    Christophe
>
>I believe that it was written entirely in Fortran 77, but when running on a CDC,
>much of the code was replaced with equivalent hand-coded assembly.
>-Tom



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