Author: Dan Ellwein
Date: 12:01:33 01/03/06
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On January 03, 2006 at 14:27:43, Dann Corbit wrote: >On January 03, 2006 at 13:33:35, Alessandro Damiani wrote: > >>On January 03, 2006 at 10:18:52, Stefan Schiffermüller wrote: >> >>>So many chess engines became so strong last year. I suppose the reason is the >>>open source code of Fruit. Now every more or less talented chess programmer can >>>build an engine that is at least as strong as Fruit. (Take the Fruit code and >>>change it, that it can not be called a Fruit clone.) Very talented chess >>>programmers could be even stronger by combination of the Fruit knowledge with >>>their own experiences. I believe, if the Fruit code were not open than Fruit >>>would be strongest engine now and Shredder were the second. >>> >>>Please understand me correctly. I want only express that the author of Fruit is >>>the real hero of this revolution in computer chess. I dont want to degrade the >>>achievments of other authors. >>> >>>Best Regards >>>Stefan Schiffermüller >> >>Of course the reasoning "every engine released after Fruit which makes a big >>jump in strength must be based on Fruit" is nonsense. Competition is not >>sleeping and waiting for open source engines. > >I think that Rybka's approach is probably not very much like Fruit (though there >is no shame if he got some good ideas from Fabien anyway). > >Stefan Schiffermüller's main point is (I think) that making your ideas open can >advance the science of the subject at hand a great deal. I agree with this >sentiment very strongly. Hi Dann Yes, Vasik did address this in his interview... "Vasik Rajlich: Yes, the publication of Fruit 2.1 was huge. Look at how many engines took a massive jump in its wake: Rybka, Hiarcs, Fritz, Zappa, Spike, List, and so on. I went through the Fruit 2.1 source code forwards and backwards and took many things. It is a bit of a pity that Rybka won't make the same contribution to the computer chess community, but at the moment I must also think about protecting my secrets. It's the eternal struggle for a computer chess programmer." Dan
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