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Subject: Re: Smallest chess program in chess is in basic

Author: Terry Giles

Date: 13:46:37 03/19/05

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On March 19, 2005 at 16:25:33, Terry Giles wrote:

>On March 19, 2005 at 13:42:26, William H Rogers wrote:
>
>>I have been playing multiple tournements lately and am now in the process of
>>playing tournements with programs written in Basic.
>>In passing I found that I have a very old program written for the Radio Shack
>>Model 100 portable computer. RS Basic saves programs in a tokenized fashion so
>>the occupy the least amount of space. In this case the program was only about 4k
>>long. When converted to QBasic and expanded it now occupies about 8k.
>>It does not follow 50 move rule or the 3 move repetition and I am not sure if
>>allows captures enpassant but for a tiny program it plays fairley well.
>>I am not sure how to post the program here or I would. If anyone is interested
>>then maybe they can show me how to post the program here.
>>Bill
>
>
>Hi Bill,
>
>Back in the days of the 8 bit processor and particularly the Zilog Z80 a
>software company named Artic Computing created a Chess program which was fully
>functional in 1K of RAM for the Sinclair ZX80/81 computer. Bearing in mind that
>the ZX80/81 computer used a bit of that 1K RAM for its own uses, it is a marvel
>that they managed this feat!
>
>Terry Giles


The program was written by David Horne and actually only had 672 bytes of memory
at its disposal!

Terry Giles



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