Author: Rolf Tueschen
Date: 12:33:36 06/15/04
Go up one level in this thread
On June 15, 2004 at 15:14:45, Dann Corbit wrote: >On June 15, 2004 at 14:30:48, Rolf Tueschen wrote: > >>On June 15, 2004 at 13:38:56, Dann Corbit wrote: >> >>>On June 12, 2004 at 16:57:06, Peter Fendrich wrote: >> >>>>Well after 10 games you can't even rely on the accuracy of error bars and >>>>shouldn't use them (based on the bell curve) but the rating is well defined as >>>>one value. "x's rating after 10 games is 2739" is a correct statement. >>> >>>That is misleading and very bad science. >>>Why not say that the rating is >>>2739.8356245494183672715153891736273563 >>>? >>>Even though you are not even sure about the leading 2. >>> >>>>/Peter >> >> >>Is Peter one of the statistical scientists behind the creation of SSDF? I can't >>believe it. > >I think he is just following current practice (for instance a FIDE, USCF, BCF >etc. rating does not descibe its own accuracy). > >When a player is said to have a rating of 2345 what does it mean? We have no >idea, although for the very rough ratings they are called 'provisional'. > >It is much better to describe the ratings like an entry in (for instance) the >CRC handbook of chemistry and physics, with a tolerance figure to show how well >known and accurately described the rating is. > >But since nobody else does it, they do not follow the practice either. > >On the other hand, they provide the necessary data to produce the same >information, with their error bars. Dann - of course!! But isn't this here about what should be the best to do (scientifically)? I mean, could we play stupid only because testing has no real importance in a sport where winning is the ultimate ratio? I thought a minority here should guarantee a certain state of the art... [Just like Germany that leads 1-0 in a preround soccer match against Netherlands at the European Championships in Portugal...] :)
This page took 0.01 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.