[Bug-gnubg] RE: Strange FIBS ratings

[Albert Silver]

> > How can I be rated 1866 with the enormous error rate in match 2??
And
> > why is it so much better than the first match with a huge error rate
as
> > well?
> 
> The reason is that in the 2nd match your errors consisted mainly of
cube
> errors, which  have a  much smaller effect  on rating, which  depends
on
> move errors and  cube errors (not on the total  errors). The "Error
rate
> (per decision)" is a number which  is not well correlated with rating
if
> you make large cube errors.

Ok, I understand. Might it not be a good idea, presuming the data is
correct, to correlate the way it calculates ratings, and attributes
grades using this data?

                                                Albert

> 
> The textual  description should be coupled  to rating and  not to
"Error
> rate (per decision)", I'm not sure if that has been done yet.
> 
> See
> 
> http://www.cs.ubc.ca/~kvdoel/tmp/ratings/
> 
> for the gory details.
> 
> Kees