Author: Rolf Tueschen
Date: 14:43:56 08/25/04
Go up one level in this thread
On August 25, 2004 at 17:35:48, Robert Hyatt wrote: >On August 25, 2004 at 15:58:11, GeoffW wrote: > >>Hello >> >>Without studying the code I have a very simple viewpoint. Where exactly in any >>of the Chinito documentation, start up banner, Web page infomormation did you >>say thanks to Robert Hyatt for his Crafty code ? Where did you give an >>acknowledgement to the fact that El Chinito was derived from Crafty ? >>Without complying with the above points, my personal opinion is zero duplicate >>code is acceptable. >> >>Having got burned in a slightly similar situation myself a little while back I >>will probably get accused of being hypocritcal. I did however acknowledge the >>starting program and say thanks to the author. >> >>Just my thoughts for what they are worth, boils down to a matter of courtesy, or >>lack thereof. >> >> Geoff > > >A note. > >Apparently he did _exactly_ what I had intended when I originally released the >source, namely that someone would take the working version, replace some >signficant component with custom code, and use that as a testbed for the new >ideas he/she was working on. > >Based on an email from the author, that is what happened here. However, as we >know, things went a bit wrong later on because it becomes too easy to say "OK, I >modified an important part (IE I replaced the normal alpha/beta search with a >variant of Berliner's SSS* search) and now this "thing" is something new that I >have done." > >That's a really grey area, obviously. If the new search worked (he apparently >did some new search ideas, although not SSS*, that was just an example) then the >reasonable next action would be to write his own evaluation and so forth and >then he has something new that is his. And he defers writing the eval until he >is sure his search stuff is going to produce reasonable tactics. > >So, obviously the program has lots of Crafty in it. Too much to participate in >computer chess events that require original authorship. However I get the >distinct impression that none of this was intended as a "I will grab Crafty, >modify it, and claim it as my own unique program hee hee hee..." sort of thing. > >It was unfortunate, it wasn't the first time, it won't be the last time. We >have more than a few more of these running around. Some with SMP search, some >without, but all directly derived from Crafty. There are other "signatures" I >will reveal over time that point right at the guilty programs. But that will >wait for another day. > >At least here, this seems to be put to rest to my satisfaction, so we can move >on until the next revellation. :) Goodness, Bob is a Saint from now on!!! That this programmer didn't mention Crafty or Bob himself should be no foul-play but only an oversight, an uninteresting detail. That ARENA webpage has such a Crafty clone to download is also no scandal, because the name was changed to ElChinito. Well, that is clear by now, right? Hahaha. ROFL.....
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