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Subject: Re: Ruffian is here - Make your move Bob Hyatt!

Author: Frank Quisinsky

Date: 12:45:02 09/23/02

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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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