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Subject: Re: List 512 UCI und Aristarch 4.37 ready for Download :-) !!!

Author: Mogens Larsen

Date: 11:13:08 01/28/04

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On January 28, 2004 at 08:19:41, Sune Fischer wrote:

>If you have a better suggestion on how to spot clones, please speak up :)

My suggestion would be a prechampionship examination of the participating
engines. Of course it is possible to substitute engines after that process
without anyone noticing. Whether that is an acceptable risk or crosschecking
with the engines used for examination is necessary at various stages of the
tournament, is entirely optional. Maybe a few authors will feel anxious to put
their engines in the hands of others. But that was expected by Fritz Reul. Now
it's known beforehand and not based on dubious allogations.

>>Would it have
>>been enough evidence to inspect the source code of a commercial program? Not in
>>a million years.
>
>I don't understand the question, or rather the answer you give to it.

I just wondered out loud if the same meagre amount of evidence would have been
sufficient to check commercial entries, eg. Junior or Fritz (the engine). It
wouldn't IMHO.

>What about the author whos rights may be getting violated?
>
>If the community doesn't try and clens itself from cloners we will soon see 20
>"new" Crafty strength engines a year.

The problem is the lack of rules and documentation. As long as it can be applied
as randomly as it seems in this case, other rights are trampled underfoot.

If you want perfect guarantees then ask the authors to submit their engines for
examination, give them to independent operators and lock the programmers in
their room and remove all their electrical equipment. And remember to check the
operators' bank accounts afterwards for strange deposits ;-).

>That's a theory :)

It's not my fault. Reading Thorsten will do that to you :-).

>I'm not sure about the authenticity of many of the strong amateur engines that
>have evolved lately.
>
>Until an unpartial party, that I trust to make the judgement, has ensured me it
>is original I will have my doubts.
>
>Frankly, given the history of computer chess I would consider it a bit naive to
>not have at least some doubts.

Quite.

>You shouldn't be ashamed, I just wish I knew whether you're downloading a
>modified Crafty a piece of original work. :)

It's only for analysis purposes, so a bit of Crafty won't hurt :-).

Regards,
Mogens



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