Author: Frank Quisinsky
Date: 12:45:02 09/23/02
Go up one level in this thread
On September 23, 2002 at 14:19:51, Robert Hyatt wrote: >Please re-read what I wrote. When I _first_ told you about voyager and >le petite, you were certain that I was incorrect. That is right! I cann't more say as sorry! >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. I am not a programmer but after my opinion (analyses, games, playing style)point 5 is OK for me. >It _could_ be any of those. I don't have an opinion yet, except that the >above list is written in decreasing probability order. > >No "impossible" entry on the above list. But the bottom item is _very_ low >probability, IMHO of course... > >That's all I have said. > >When I first examined Le Petite, you were certain that the person distributing >it was (a) good enough to write a program and (b) trustworthy. Later you >changed your mind in light of overwhelming proof. That's right! >That may or may not happen in this case. I'm keeping an "open mind" and not >accepting any pig in a poke just yet... > >All things are still possible, IMHO. >If I were guessing right now, I would be almost certain it is _not_ a crafty >clone. At least not one without significant modifications to the search, >based on output that has been posted here. It seems to reach the same >depth as shredder and the output looks similar as someone else mentioned. >But that is hardly conclusive of anything, yet... Totaly different playing style compare to Crafty, look in the games where Christian Koch posted here. Interesting is: Download Green Light Chess ... Ruffian have big problems against Green Light Chess, or problems against Aristarch and Comet. I don't know any of the available top programs which have problems against this group of amateur programs. I am sure this program have not to do with other chess engines. Best Frank
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