[Bug-gnubg] Bots disagrements

[max-d]

 GNU Backgammon  Position ID: b7eBAAJ3N2MAAA
                 Match ID   : AgF2AAAAAAAA
 +12-11-10--9--8--7-------6--5--4--3--2--1-+     O: gnubg (Cube: 4)
 |          O       |   | O  X  O  O  O  O |     0 points
 |          O       |   | O     O  O  O  O |     Rolled 45
 |                  |   |          O  O  O |
 |                  |   |                  |
 |                  |   |                  |
^|                  |BAR|                  |     3 point match
 |                  |   |                  |
 |                  |   |                X |
 |                  |   |          X     X |
 |                  |   |    X  X  X  X  X |
 |    X             |   |    X  X  X  X  X |     0 points
 +13-14-15-16-17-18------19-20-21-22-23-24-+     X: user

* gnubg moves 9/5* 9/4

Rolled 45 (-0,626%):
*    1. Cubeful 2-ply    9/5* 9/4                     MWC:  73,02%
       0,730 0,023 0,000 - 0,270 0,002 0,000
     2. Cubeful 2-ply    6/2 6/1                      MWC:  72,18% ( -0,84%)
       0,722 0,002 0,000 - 0,278 0,001 0,000
     3. Cubeful 0-ply    9/5* 6/1                     MWC:  51,30% (-21,72%)
       0,513 0,027 0,000 - 0,487 0,093 0,001
     4. Cubeful 0-ply    9/4 6/2                      MWC:  37,88% (-35,14%)
       0,379 0,003 0,000 - 0,621 0,007 0,000

JF level 7 evaluation says

eq O
6/1 6/2 0.486
9/4 9/5 0.469


720 JF's level 6 rollouts say Gnubg is right !

eq X
9/4 9/5  -0.489 sd 0.003
6/1 6/2  -0.456 sd 0.004

md.