Re: [Bug-gnubg] Bug: 1-sided database

[Joern Thyssen]

On Tue, Sep 30, 2003 at 08:47:29AM -0400, Christopher D. Yep wrote
> At 02:04 PM 9/24/2003 +0000, Jørn Thyssen wrote:
> 
[snip]
> By the above, I assume that the gammon distribution is determined by 
> selecting the move with the lowest average number of rolls to bearoff off 
> at least one checker.  Is that correct?

Yes.

> 
> If so, I like this.
> 
> >Fortunately, I'm saved by the fact that when gammons are possible the
> >gwc is typically zero and vice versa: when wins are possible gammons are
> >usually not. However, I've never verified this...
> 
> Right, when trying to save the gammon the gwc is usually very close to 
> 0.  When the race is "competitive" (i.e. between 1% and 99% winning 
> chances), the chance of one side winning a gammon is very close to 0.

Yes, the gammon and bearoff distributions do not overlap, or the overlap
is negligible.

> 
> I can't think of a better way to combine winning chances and gammon chances 
> into the database (without a ton of extra work), so I like how things are 
> done now.

Thx, nice to hear others agree on that :-)

Jørn

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