Author: Ulrich Tuerke
Date: 14:28:56 12/20/01
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I don't think that the categorization "commercial programs vs amateurs" with regard to algoritms makes too much sense. This is, because I think that the commercial engines differ a lot from each other. From observing the programs' analysis I conclude, that the differences between Shredder, Fritz, Tiger´, Genius, Hiarcs ... are really huge. Each commercial engine is very original; I expect that any of these uses some quite original technique. The important thing is that the authors succeeded in making their engines strong and thus they could go commercially. But I guess they have reached this goal going quite different ways. IMHO, the reasons for their success is twofold: 1. they are spending a lot of time and efforts in systematical testing and tuning; 2. the authors are quite talented, where (2) is IMO at least as important as (1). I suspect that the amateur engines on the other hand show more similarities with each other. This is because most of them are young and the authors profited from open source (mainly crafty) and open discussion in the fora. Regards, Uli
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