Author: Dann Corbit
Date: 20:25:41 09/23/02
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On September 23, 2002 at 20:47:38, Peter McKenzie wrote: >On September 23, 2002 at 17:59:35, Dann Corbit wrote: > >>There is zero chance that Ruffian is a copy of Fritz 6. None at all. >> >>Fritz 6 does not play under Winboard. Ruffian does. Nobody has the Fritz 6 >>code except the original author. >> >>Not even any sort of slight, remote chance is involved. You are barking up the >>wrong tree. > >Dan, you are getting carried away here. Just because you say something 4 times >doesn't make it true. Worked for a German political party in the 30's and 40's. OK, OK, -- you've got me there. >It is of course possible to disassemble Fritz or any other chess program, >thereby gaining access to everything you need to steal the engine. That could happen. I don't see a connection to the claim that this is a modified version of a commercial engine. If you reverse engineer something in that way, I also expect it to be a lot harder than writing it from scratch. >Impossible? Absolutely not, no way, nada, not on your life. >Unlikely? Yes. I have the binary. It's not a copy of Fritz 6. In fact, I will say that it is impossible. Is it a reverse engineered Fritz? Well, an asteroid could strike this area before I hit the post button. I think it is about the same liklihood. >But I've spoken to at least one chess programer who has had a peek inside a >commercial engine using a disassembler. I believe that you can easily find out >quite a bit if you have the right skills. I could do that too. To reverse engineer a chess program would take many years, though. >Of course I'm not at all suggesting that Ruffian is the result of disassembling >Fritz, I wouldn't have the slightest idea about that although it seems unlikely. > I'm just saying that in theory (and it would be quite alot of work) it is >possible. Lots of things are possible. This could be a copy of Fritz. But it isn't. It could be a supercharged TSCP. But it's not. If it were a copy of anything, I would say that Pepito as a base is the only chance of it. It has about the same branching factor and both Winboard and UCI support -- in both ways like Pepito. That's on the one hand. On the other hand, I don't think it is a clone of Pepito. I think it is an original program. But it isn't a commercial program, which has been ran through a string editor. It just isn't. The probability is zero. The chance that it is a reverse engineered Fritz? I'll grant you one in a trillion here.
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