Computer Chess Club Archives




Subject: Re: Open letter by Eugenio Castillo (ELChinito team) ...

Author: Andrew Williams

Date: 10:54:43 08/28/04

Go up one level in this thread

On August 28, 2004 at 13:48:33, Gerd Isenberg wrote:

>On August 28, 2004 at 13:26:46, Andrew Williams wrote:
>>On August 28, 2004 at 11:44:30, Gerd Isenberg wrote:
>>>On August 28, 2004 at 10:23:53, Frank Quisinsky wrote:
>>>>Hi there,
>>>>Eugenio sent us the following open letter.
>>>>The letter is public on Arena webpages (News-Ticker).
>>>>Eugenio wrote:
>>>>"I've used crafty source to implement my own program ElChinito.
>>>>My public and sincere apologize to Bob Hyatt not to mention that in ElChinito's
>>>>readme file and copyright notes and did not ask consequently for permission. I
>>>>will ensure that ElChinito is not longer public available for download and plays
>>>>any public tournaments.
>>>>I've inform ICGA and French Computer Chess Association about this issue to
>>>>accept their decision, and discalificate Chinito from the played events.
>>>>My apologize to Frank Q. for the damages caused.
>>>>My apologize to any one of the tester and downloaders of Arena.
>>>>Eugenio Castillo."
>>>My respect to Eugenio Castillo for his late apology.
>>>It seems that he had a hard time and a long fight to decide so.
>>>It was a severe offence of Eugenio, i understand that routines like NextMove
>>>have another quality than some cray like bitscan routines or moveInput.
>>>Eugenio obviously used Crafty framework as a toolbox for the bitboard
>>>infrastructure and parts of move generation and even minor parts of eval. He
>>>was, probably due his naivety, not fully aware of the cloning issue or did
>>>repress it in some way, after receiving no answer from Bob after some tries.
>>>Didn't Dann Corbit mention Eugenio mailed Bob about that issue, but Bob didn't
>>>receive for what reasons ever?
>>>It is difficult to quantify for me, but it seems that most of ElChinitos
>>>strength was not based on Crafty but on Eugenio's own search and most parts of
>>>it's evaluation.
>>>So i respect his decision to don't make ElChinito open source and i suggest to
>>>give ElChinito a second chance after some time, until Eugenio assures that no
>>>more parts of crafty are inside - IMHO.
>>I think you're being WAY too lenient here, Gerd. You must be a nicer person than
>Hi Andrew,
>no, but what do you suggest?

I didn't mean in terms of the punishment, but in terms of his motives and in
terms of El Chinito's quality. I just don't think you can take the whole board
structure and move generation code out of one program and then build another
program around it and then claim that the "new" program is your own. I believe
that if Eugenio had started from scratch with nothing, his program would not
have been anything special, BUT it would have been his own program and therefore
deserving of our respect.

>A life time ban?


>A therapy by Rolf?

Ha! You may be kinder than me, but I'm not THAT bad.



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