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Subject: Re: The old chess program "OwlChess"

Author: Dann Corbit

Date: 21:37:32 01/12/01

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On January 13, 2001 at 00:23:09, Antonio Dieguez wrote:

>On January 11, 2001 at 20:36:15, Dann Corbit wrote:
>
>[snip snip snip]
>
>>So, those that share are somehow necessary for progress to exist.  I do not
>>believe any claims that people can write chess programs without reading existing
>>literature on that topic before hand.
>
>hello Dann, do not exaggerate, many persons read something about the topic of
>chess programming before programming a chess program because is too easy to find
>information about that. But I "claim"(oh, you won't believe), that I had a
>working chess program without looking at any info, the "minimax" I founded
>myself how do a recursion to calculate the move, and also the "alpha beta", I
>had a lot of bugs, for example as I had the alphabeta implemented with the limit
>values in class arrays, were easy to do mistakes but later when seeing all the
>examples with alfa and beta as parameters of the function I did it too. Also I
>were scoring moves and acumulating the score(stupid things, lets say move a pawn
>to the center, move a horse more near the centre, move rooks to e1/d1/e8/d8 :),
>castle, move forward or backward etc because I thunk a scoring of a chess
>position would be too much time expensive, but off course the "sharing info"
>convinced me inmediately to implement the eval function.)
>The hashtables thing is also great and much other things and this forum also and
>I say thanks:thanks

My statement was somewhat hyperbolic.  I really meant that people cannot write
world-class programs without reading some literature on it first.  To write a
program that simply plays legal moves could be done by anyone.

On the other hand, if you did independently invent all of those algorithms
yourself, I think probably you are a 1 in 100 programmer or better.




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