Re: [Bug-gnubg] cube decision ratings

[Joern Thyssen]

On Tue, Sep 10, 2002 at 04:04:06AM +0200, Robert-Jan Veldhuizen wrote
> Hi,
> 
> GNUBG now counts only "actual or close" decisions for cube skill. This 
> usually reduces the number of decisions by a lot, and as such tends to 
> increase the error per cube decision also by a lot.
> 
> What is the current threshold for "close" cube decisions?

equity ( no double ) > 1
or
equity ( no double ) - equity ( double, take ) < thr
or
equity ( no double ) - equity ( double, drop ) < thr

where thr is 0.25

> Perhaps the text ratings for cube decisions should get different ranges 
> now, cube errors per decision are typically much bigger now? 

Yes, that was why I introduced it. Trivial cube decisions shouldn't be
included in the ratings. For example, cube decisions in money game where
you have 4 chequers on the bar. 

> My ratings dropped a lot :-)

:-)

Jørn

-- 
Joern Thyssen, PhD
Vendsysselgade 3, 3., DK-9000 Aalborg, Denmark
+45 9813 2791 (private) / +45 2077 2689 (mobile) / +45 9633 7036 (work)