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Subject: Re: not really!

Author: Robert Hyatt

Date: 09:10:08 01/12/04

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On January 12, 2004 at 10:36:22, martin fierz wrote:

>On January 12, 2004 at 09:53:15, Robert Hyatt wrote:
>
>[snip]
>
>>The problem is that Turing didn't do "computer chess".  He did a hand
>>simulation that was not based on minmax at all...  There were a couple
>>of mechanical chess players as well, one built by Shannon prior to 1949,
>>as I have an early 1949 photo of him sitting by this machine.  But that
>>isn't "computer chess" either.
>
>hmm, define "computer chess" for me!
>
>i would say: turing computed chess moves => it was computer chess.

I define "computer chess" as "using a computer to play the game of chess."

While what Turing did was both important and interesting, it was not "computer
chess" by any definition of "computer" I can think of...

>
>whether or not that was done with minimax, alpha-beta, or any other feasible way
>wouldn't seem to matter to me. e.g. when you use crafty searching to 1 ply depth
>without qsearch, you only have a "max" search, but it is still computer chess,
>isn't it?

No, because I can't do a "1-ply" search.  Even with 1-ply I get to ply=2, call
the static eval, and return the best of that number or the resulting capture
search. :)

>
>of course, without minimax, i suppose you can't write a sensible computer chess
>program. but nobody says it has to play well :-)

You also need a "computer" of course...

>
>cheers
>  martin



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