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Subject: Re: What constitutes a clone?

Author: Vasik Rajlich

Date: 12:48:47 02/17/05

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On February 17, 2005 at 10:20:05, Anthony Cozzie wrote:

>On February 17, 2005 at 06:00:24, Vasik Rajlich wrote:
>
>>On February 16, 2005 at 04:38:27, Andreas Guettinger wrote:
>>
>>>I would recommend to start with a blank page. Starting from a given (freeware)
>>>program for me is cloning. I also don't take a short story, write ten chapters
>>>of my own and sell it as a book.
>>>
>>>If you look at code of other available engines to take over ideas is perfectly
>>>ok for me. However, never copy 'n' paste, never take over tables and arrays of
>>>evaluation data.
>>>
>>>When you write a chess engine, it's normal to start 3 - 5 times again from the
>>>beginning and rewrite your whole code due to change of important data
>>>structures, etc. This makes code quite unique.
>>>
>>>Do no optimize-cloning. Normally the routines of a major chess playing program
>>>(like i.e crafty) are faster than the ones written by yourself. Just live with
>>>it, leave it for later or try to find the bottleneck.
>>>
>>>For me, writing a decent playing chess program as a hobby project (maybe
>>>different if you do it for your thesis or as a professional) takes at least 3-5
>>>years. All engines that develop faster for me are highly suspicious.
>>>
>>>Just my two cents.
>>>(programming since 3 years and it still sucks) Andy
>>
>>Fruit appears to have been developed in something like one year.
>>
>>Ruffian according to the author took around two years.
>>
>>I think most amateurs, myself included, waste some effort in the beginning doing
>>the wrong things. By the time they figure it out, a year or two is gone
>>(although it feels like much less).
>>
>>Vas
>
>Fabien had already written a draughts program.  Big advantage.

Aha - now I see google shows some Othello programs. Yes, that would help a
programmer get "right to the point" ...

Vas

>
>I still am unsure about Ruffian, but lets not open that can of worms today.
>
>anthony



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