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Subject: Re: Diep and Falcon #2 and 3

Author: Uri Blass

Date: 02:04:54 05/01/04

Go up one level in this thread


On May 01, 2004 at 04:33:59, Sune Fischer wrote:

>On May 01, 2004 at 00:58:02, Uri Blass wrote:
>
>>On April 30, 2004 at 22:44:40, Chessfun wrote:
>>
>>>
>>>Diep is now in the #3 programs
>>>http://www.talkchess.com/forums/1/message.html?362447
>>>
>>>And Falcon is a Grandmaster strength program about 2700 ELO.
>>>
>>>And assuming "Shredder 8 is the only engine that consistently scores above 50%
>>>against Falcon in my tests"
>>>http://www.talkchess.com/forums/1/message.html?362348 we can therefore assume
>>>it's #2
>>>
>>>That leaves Shredder 8 at #1.
>>>
>>>Lucky both the #2 and #3 program are neither for sale or available else some may
>>>even report they are #1 ;-)
>>>
>>>I would suggest to both programmers that they get a good team of beta testers
>>>and start posting game scores and results that would be deemed realistic.
>>>
>>>Sarah.
>>
>>At least in the case of Falcon the programmer did not claim that it is one of
>>the top 3 engines.
>>
>>He used the Fritz8's book for Falcon in his tests and he even did not claim that
>>in these conditions Falcon is better than Fritz or Junior.
>>
>>Shredder 8 is the only engine that consistently scores above 50% does not mean
>>that Deep Fritz8 or Junior8 cannot do it but only that they did not do it in all
>>of his tests.
>
>"Consistently" is not a mathematical word :)
>
>So it depends how you read "winning consistently", it could mean just winning on
>average, or it could mean it wins all the time ie. never losing or even drawing.
>
>I think the latter is too strong, ie. if you have the match results
>60-40, 55-45, 89-11, 48-52, 61-39....
>
>I'd still say one engine here is winning consistently, ie. it is who wins on
>average that is the most obvious interpretation.


see http://www.talkchess.com/forums/1/message.html?362354
winning consistently means that usually Shredder win a match of 4 games.

Of course it is not well defined and the question how you read usually but I
will say that it means more than 50% of the matches.

If Fritz wins 40% of the matchs of 4 games when Falcon wins 30%
of these matchs then Fritz does not beat Falcon consistently inspite of the fact
that it is slightly better by that definition

Uri



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