[Bug-gnubg] 1-chequer hypergammon

[Ian Shaw]

How can Double/Beaver be correct? Is it expecting Double - Beaver - Drop 2 
points? If so, then Double - Take ought to be better.
And how can the gammons be the same as the wins for both sides?

    GNU Backgammon  Position ID: AAIAAAAIAAAAAA
                    Match ID   : MBkAAIAAKAAA
    +-1--2--3--4--5--6-------7--8--9-10-11-12-+  O: Leader
    |                  |   |                  |  8 points
    |                  |   |                  |  
    |                  |   |                  |  
    |                  |   |                  |  
    |                  |   |                  |  
    |                  |BAR|                  |^ 
    |                  |   |                  |  
    |                  |   |                  |  
    |                  |   |                  |  
    |                  |   |                  |  Cube offered at 2
    |                  |   | O        X       |  5 points
    +24-23-22-21-20-19------18-17-16-15-14-13-+  X: Trailer


Cube analysis
2-ply cubeless equity  +0.025
  0.498 0.498 0.038 - 0.502 0.502 0.006
Cubeful equities:
1. Double, take         -0.035
2. Double, pass         +1.000  ( +1.035)
3. No double            -0.049  ( -0.014)
Proper cube action: Double, beaver

--Ian