[Bug-gnubg] Why does gnubg allow itself to be gammoned?

[Billie Patterson]

Here's the setup:

I'm going to win in the next roll no matter what gnubg
does.  But on a 34 roll, gnubg plays 6/3, 5/1 rather than
8/5, 4/off or 8/4, 3/off.  I don't understand his logic
here.  How does he benefit by not taking a man off?

 GNU Backgammon  Position ID: BQAAeLcrAQAAAA
                 Match ID   : EoHxACAAKAAA
 +12-11-10--9--8--7-------6--5--4--3--2--1-+     O: gnubg
 |             O    |   | O  O  O  O  O  O |     2 points
 |                  |   |       O  O  O  O |     Rolled 34
 |                  |   |       O     O  O |     
 |                  |   |                O |     
 |                  |   |                  |    
^|                  |BAR|                  |     7 point
match
 |                  |   |                  | XX 
 |                  |   |                  | XX  
 |                  |   |                  | XXX 
 |                  |   |                  | XXX 
 |                  |   |             X  X | XXX 5 points
 +13-14-15-16-17-18------19-20-21-22-23-24-+     X: Billie
(Cube: 4)
Pip counts: O 47, X 3

* gnubg moves 6/3 5/1

Billie

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