Computer Chess Club Archives




Subject: Re: What was Chess Challenger 7 thinking?

Author: Christophe Theron

Date: 19:31:33 03/06/02

Go up one level in this thread

On March 06, 2002 at 17:42:06, Albert Silver wrote:

>>The program wasn't written by the Spracklens, someone else maybee remember who
>>was the programmer.
>I looked it up on Kurt's wonderful site on tabletop chess computers at
>  It states the author was R. C. Nelson
>                                       Albert
>> They began with Sargon1 for TRS-80.
>>>the search went from ply 1 to 2 to 3 to 4 to 5.
>>>todays chess program make a one ply search, than they make a 2 ply search.
>>>than they make a 3 ply search. as far as i know.
>>>the best thing is the display that it computes.
>>It was able to solve most but not all mate in 2 and a few mate in 3!

And Ron is still the author of todays Excalibur chess machines (IIRC they have a
4 bits processor).

I wonder if Ron reads this message board. It would have been great to have him
answering directly...

I think Chris Kantack has exchanged emailed with Ron recently, so if we kindly
ask Chris, maybe...


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