[Bug-gnubg] FW: Réf. : All About GNU - PDF

[Albert Silver]

> May I bother you with a (probably beginner) question ?
> 
> Gnubg (O, 3 pts) vs. Max (X, 5 pts) (Match to 7)
> 
> Move number 61: X to play 25
> 
>  GNU Backgammon  Position ID: t9vCAAAFAAAAAA
>                  Match ID   : cAn1ADAAKAAA
>  +13-14-15-16-17-18------19-20-21-22-23-24-+     O: gnubg
>  |       O          |   | O  O  O  O  O  O |     3 points
>  |       O          |   |    O  O  O  O  O |
>  |                  |   |          O     O |
>  |                  |   |                  |
>  |                  |   |                  |
> v|                  |BAR|                  |     7 point match (Cube:
1)
>  |                  |   |                  | XX
>  |                  |   |                  | XX
>  |                  |   |                  | XXX
>  |                  |   |                  | XXX Rolled 25
>  |                  |   |             X  X | XXX 5 points
>  +12-11-10--9--8--7-------6--5--4--3--2--1-+     X: Max
> Pip counts: O 60, X 3
> 
> * Max moves 2/off 1/off
> 
> Cube analysis
> Rollout cubeless equity  +2,457 (Money:  +2,000)
> 
> Cubeful equities:
> 1. No double            +2,457
> 2. Double, take         +2,457  ( -0,000)
> 3. Double, pass         +1,000  ( -1,457)
> 
> 
> X is gonna win gammon anyway, so he's (well, I am :)) ) gonna win the
> match.
> The money equity is +2,000 but the match equity is +2,457 : someone
> explained
> me that the equity is 1,000 + 2*0.728, where the 0.728 is the gammon
> price/value
> for the current score (-2,-4).
> 
> Is the match equity still defined as "expected number of points" in
the
> game ?
> Is it somehow modified to keep into account the current score ?
> How is it related to the MWC ?
> 
> Thx in advance.
> 
> MaX.