Re: [Bug-gnubg] Strange analysis output

[nis]

--On 04  Sep 2002  19:24 +0200 Jim Segrave <address@hidden> wrote:

> > From the Annotation window:
>
>     1. Cubeful 2-ply    5/4 5/1                      Eq.:  +1.033
>        0.728 0.371 0.009 - 0.272 0.027 0.000
>         2-ply cubeful 100% speed, 8 cand., 0.16 tol. [world class]
> *   2. Cubeful 2-ply    8/7 8/4                      Eq.:  +0.950 (
>         -0.083)        0.730 0.413 0.016 - 0.270 0.027 0.000
>         2-ply cubeful 100% speed, 8 cand., 0.16 tol. [world class]
>
> The move I made 8/7 8/4 has a
> higher probability of a win          0.730 vs 0.728
> higher probability of a gammon       0.413 vs 0.371
> higher probability of a backgammon   0.016 vs 0.009
> and the
> same probabilities of being gammoned or backgammoned. So why is the
> equity lower? What am I missing or misunderstanding?

The easy answer:because you are doing cubeful evaluation. The numbers 
listed are the cubeless winning chances.

Understanding WHY the cubeful equity is so much different in a situation 
loke this of course another matter.

A quick rollout lists your move as superior, BTW ...

Question: Why can't I view statistics after doing a rollout from the hint 
window?

--
Nis Jorgensen

Amsterdam