Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Bob: ELChinito a clone from Crafty ...

Author: Bryan Hofmann

Date: 08:51:28 08/22/04

Go up one level in this thread


On August 22, 2004 at 11:43:12, Robert Hyatt wrote:

>On August 22, 2004 at 11:04:16, Bryan Hofmann wrote:
>
>>On August 22, 2004 at 09:58:09, Frank Quisinsky wrote:
>>
>>>On August 22, 2004 at 09:44:46, Paul H wrote:
>>>
>>>And now let us wait what the programmers have to say about it.
>>
>>You do not have to be a Chess Engine Programer to run a dissassembler against
>>code and see that functions are exactly the same in 2 different compiled
>>programs. I do not know Paul personaly but what he has published on his web site
>>about the 2 programs is correct, in that exact functions exist in Crafty and the
>>other program mentioned and that this does not happen by coincidence.
>
>The thing that lends credibility to his comments are his mention of "bugs".
>These "bugs" are the results of changes that left bits and pieces of worthless
>code here and there.  IE the EvaluateMate() return value of 99999 that no longer
>happens (it used to notice that there was insufficient material but that was
>moved elsewhere in EvaluateDraws() but the test was left around.)
>
>He obviously did more than just a quick peek.  He actually looked at the Crafty
>code to pick up such unnecessary tests, and then used them to show that someone
>copied without understanding, at least those parts that he presented.
>
>IE I don't get the sense that this is some sort of sensationalistic attempt to
>discredit someone.  Rather an honest attempt to "right a wrong"...

I fully understand this, I just did not go into detail when I pointed it out to
Frank. Thanks for clairifying it.




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.