[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Bug-gnubg] None
From: |
Jim Segrave |
Subject: |
Re: [Bug-gnubg] None |
Date: |
Thu, 17 Apr 2003 18:52:36 +0200 |
User-agent: |
Mutt/1.2.5.1i |
On Thu 17 Apr 2003 (12:05 -0400), Hanley Hayes wrote:
> Either I stumbled upon a bug or (more likely) my understanding of the cube
> analysis is lacking. Here is the situation:
>
> 1. I am an running a March 2 build on Windows NT
> 2. gnubg has already borne off two checkers
> 3. gnubg has one checker on the bar, trapped behind my 6-prime extending
> from my 2 pt through my seven point
> 4. The cube is at 2 and I own it.
> 5. I am on roll.
>
> Looking at this situation in analysis afterwards, I wanted to see when/if I
> should have doubled. I clicked on the Cube decision tab. Clearly I think I
> should double as a) I can't gammon gnubg, b) if I play on, I could possibly
> lose should gnubg start rolling doubles once I open up, c) gnubg will
> clearly pass on a cube at this moment, d) the possibility that my situation
> will erode sufficiently such that I would both double gnubg and gnubg will
> accept, enabling me to win a game for 4 points I feel are infinitesimally
> small (though not zero) - I believe I will likely close him out and then win
> the bear off race once gnubg gets in.
>
> However, the Cube analysis reports:
>
> 1. Double pass +1.000
> 2. Double take +1.460 +0.460
> 3. No double +1.000 -0.000
>
> Proper cube action: Redouble, pass
>
> My question is: Given that there is still contact possible, why is option 3
> (No double) given a +1.000. I feel it should be some quantity less than
> 1.000 as a win for me is certainly not guaranteed should I not double. My
> interpretation of this is, you may either double and win 1.000 at this
> instant or don't double and still win 1.000. With contact still possible,
> should it really be rated 1.000?
Gnubg assumes you will double on the following roles and it will have
to pass?
--
Jim Segrave address@hidden