Re: [Bug-gnubg] Current categorization of doubling mistakes (new thread)

[Jim Segrave]

On Wed 08 Oct 2003 (07:47 +0000), Joern Thyssen wrote:
> On Tue, Oct 07, 2003 at 08:26:20PM +0200, Jim Segrave wrote
> > 
> > This leads to a new question on what must be becoming Joern's least
> > favourite subject...
> > 
> > I understand the idea of early/late doubling (I don't apply it well,
> > but I do understand it). Now, when gnubg analyses a game where I was 
> > creeping up on an optimal double (or never saw it was possible to
> > double or whatever), how does gnubg decide if not doubling was an
> > error or correct. Let's say 
> > 
> > DP = 75% CP = 81% TG = 84%
> > 
> > If I'm at 77% and don't double, is that an error of say .030? I assume
> > gnubg isn't examining market losers to decide if you should postpone
> > doubling? 
> 
> Well, it depends on your evaluation settings.
> 
> For all plies gnubg is comparing the cubeful equity of doubling now with
> the cubeful equity of not doubling.

OK - that's good to know - I just started wondering if the evaluations
did include probability of doubling too late and losing one's market
or doubling too early and risking rolling badly and handing your
opponent extra equity.

-- 
Jim Segrave           address@hidden