Re: [Bug-gnubg] never too good?

[Joern Thyssen]

On Fri, Aug 02, 2002 at 07:20:51AM +0000, Joern Thyssen wrote
> On Fri, Aug 02, 2002 at 07:07:00PM +1200, Joseph Heled wrote
> >  GNU Backgammon  Position ID: BgAC2HZ7AAAEAA
> >                  Match ID   : MAGgAAAAAAAA
[snip]
> > My cubefull rollout gave 
> >   ND  59.428%
> >   D/T 59.754%
> > 
> > With D/D 57.5%, this is strange. Without gammons/bg's, ND should be <=
> > D/D.  I think this means X is making a great number of bad takes, or
> > in other words, this position (and others like it) are a good source
> > for finding positions where GNUbg makes cube errors.
> 
> I agree. 
> 
> When I get home, I'll try doing a rollout with gnubg and see if I can
> reproduce the result, so eliminate possible bugs.

With a 1296 games 0-ply rollout (no truncation, with var.redn.) I get:

ND  59.96%
DT  60.09%
DP  57.76%

--> too good to double, pass.

Jørn

-- 
Joern Thyssen, PhD
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