Author: Uri Blass
Date: 07:44:17 12/09/01
Go up one level in this thread
On December 09, 2001 at 10:32:20, Thorsten Czub wrote: >On December 09, 2001 at 08:52:59, Mogens Larsen wrote: > >>I don't have any prejudices. > >any human beeing has prejudices. only you don't tell them in public. >nobody can live and judge anything without having prejudices. only >god has no prejudices. > >>That's the advantage of fact over opinion. > >the fact that you talk about games you haven't seen. > >>Well, it's a fair assumption that no less than two new versions within a short >>timespan indicate some sort of dissatisfaction. And it's a certainty that you're >>unable to evaluate strength by your methods. So a crystal ball would be more >>effective. > >when my methods are wrong, why was i succesful in finding out that hiarcs would >be world chess champion BEFORE the championship was played out. >when it is wrong, why was i able to see that chess tiger is very very strong, >without even the programmer (christophe) knowing and believing it. >when my method is wrong, how can i see in forward that century is very strong, >and century makes 2nd rank, and how can i find out about cstal ? >and about nimzo? >all i see is that you claim that you do not replay games, hear about strength >from hearsaid, and call other methods lousy. when in fact you don't know about >the programs. > >instead of finding out yourself by researching, you call other people idiots and >their methods wrong. > >of course it is nonsense to test version x versus version x+1. this does not >lead you to a better chessprogram. I disagree here I think that testing version x against x+1 is one of the tests that can be productive. I agree that it is not the only test but if x+1 is clearly better than x then I expect it also to beat x. The question is also what is the change between x+1 and x. There are cases when comparing x+1 and x is enough. If you find a way to do x+1 10% faster than x with no change in the evaluation function or the search rules then comparing x with x+1 only to verify that you have no new bugs is enough. Uri
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