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Subject: Re: why ??

Author: Anthony Cozzie

Date: 16:34:19 04/29/04

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On April 29, 2004 at 19:10:52, Omid David Tabibi wrote:

>On April 29, 2004 at 19:06:14, Anthony Cozzie wrote:
>
>>On April 29, 2004 at 17:33:48, Omid David Tabibi wrote:
>>
>>>On April 29, 2004 at 13:40:33, Anthony Cozzie wrote:
>>>
>>>>On April 29, 2004 at 11:28:04, Robert Hyatt wrote:
>>>>
>>>>>On April 29, 2004 at 04:09:43, Omid David Tabibi wrote:
>>>>>
>>>>>>On April 28, 2004 at 19:25:34, ERIQ wrote:
>>>>>>
>>>>>>>On April 28, 2004 at 14:30:13, Chris Taylor wrote:
>>>>>>>
>>>>>>>>The latest and greatest did really well, in the last computer contest.  So, will a Windows version (XP or lesser) be made ready for buying?
>>>>>>>
>>>>>>>amazing! there is one buyer :)
>>>>>>>
>>>>>>>>I have my credit card ready?  I can even send a postal order, or cheque!
>>>>>>>
>>>>>>>wow!!
>>>>>>>
>>>>>>>>It will make a nice addition to an already growing pile of Chess Stuff!
>>>>>>>
>>>>>>>not sure why?! but to each his own.
>>>>>>>
>>>>>>>IMO. diep couldn't beat it's way out of a paper bag in the middle of a rain
>>>>>>>storm, what would be the purpose in buying it?
>>>>>>
>>>>>>The recent tournaments have shown that Shredder is one leap ahead of all other
>>>>>>engines. I also know this based on my own experiments, as Shredder 8 is the only
>>>>>>engine that consistently scores above 50% against Falcon in my tests.
>>>>>
>>>>>That is a red flag.  If Shredder is the _only_ engine that beats you in your
>>>>>tests, I'd personally be very concerned that my testing is badly flawed.  IE if
>>>>>you can consistently beat fritz, you are doing something nobody else (except
>>>>>perhaps shredder) is doing...
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>>With that in mind, Diep's victory against Shredder is even more remarkable. Diep
>>>>>>might have also scored against Hydra, had Erdogan's book hadn't knocked out Diep
>>>>>>already in the opening stage.
>>>>>>
>>>>>>With a good book Diep might even pull off some surprises in the upcoming WCCC in
>>>>>>Israel, especially since it is not running on a massive parallel dinosaur that
>>>>>>apparently did it more harm than benefit in Graz.
>>>>>>
>>>>>>
>>>>>>>save you money and get crafty, you'll feel better afterwards :)
>>>>>>
>>>>>>Crafty is a great engine, and it is free. That doesn't mean that you shouldn't
>>>>>>be interested in other grandmaster-strength programs.
>>>>
>>>>I have suspicions about Omid's tests :)
>>>>
>>>>Before last WCCC he posted some results where Falcon won or drew every match
>>>>against top programs (4 game matches a 40/2), yet at Graz & CCT6 Falcon's
>>>>results were rather average.  I think you simply cannot compare Fritz's
>>>>performance on a P3-733 with its performance on a quad xeon.
>>>
>>>My tests were conducted on the same hardware (P3 733MHz). In Graz I ran on a P4
>>>2.4GHz while other programs benefited from considerably faster machines (in
>>>addition to parallelism). Additionally, in my tests I used fritz8.ctg for both
>>>sides. In Graz I used a random generated book which resulted in very poor
>>>positions for Falcon in almost all games.
>>
>>My intent was not to disparage your engine.  I just get annoyed when people post
>>their great private results.
>
>I simply said that Shredder is stronger than other engines based on my tests
>also. If any engine got some praise here, it was Shredder :)
>

Well lets just say I overreacted and leave it at that.

anthony

>>Your results were done using conditions quite
>>different from tournament play (slow machine, much better book for you). Even if
>>the conditions were the same, its not polite :)  If Falcon has truly improved in
>>strength considerably, then it will show at WCCC04 in a month or two anyway.
>>
>>anthony
>>
>>>>
>>>>Of course, the other possibility is that Omid has bought a dual opteron and
>>>>worked like mad in secret to improve Falcon during the past months, while
>>>>attempting to deceive us by posting all his CCC results with his P3.  WCCC04
>>>>should shed some light on this.
>>>>
>>>>anthony



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