Author: Palmer
Date: 05:17:31 11/29/03
I just remembered that some time ago there was a discussion here on CCC if ruffian is a crafty clone or not. Here some comments form robert hyatt to that topic: ...I agree. The real test is in tactics. It is not easy to make a copy of Crafty either better or worse at tactics, but particularly making it better is non-trivial. It's far easier to twiddle with a few eval terms to make it play significantly different... ...In the case of Ruffian, I'm not sure it is anything at all, other than a very unlikely happening. Ruffian could be any of the following, in decreasing order of probability: 1. A copy of a freeware engine with some changes or additions. 2. A copy of a commercial engine, aided by a hex editor to change strings to disguise what has happened. 3. A copy of a commercial engine, modified, after someone found access to the un-released source code somehow. 4. A program written by a current commercial (or amateur) author and released anonymously, for reasons I wouldn't try to guess. 5. A completely new program, developed by a completely new author, sight- unseen by anybody until very recently. It _could_ be any of those. I don't have an opinion yet, except that the above list is written in decreasing probability order....
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