Backgame checker-play problem

Here's a problem I faced recently. I still don't understand this position;
perhaps someone here can shed light on it. This is a money game.

GNU Backgammon Position ID: ZzNbACCwBQIeHw
+24-23-22-21-20-19------18-17-16-15-14-13-+ O: gnubg
| O X O O X O | | O O O X | 0 points
| O X O O X O | | O O |
| O X X | | |
| X X | | |
| X | | |
| |BAR| |v
| | | |
| | | |
| | | |
| X X | | | Rolled 52
| O X X | | X | 0 points
+-1--2--3--4--5--6-------7--8--9-10-11-12-+ X: tchow (Cube: 2)

--
Tim Chow tchow-at-alum-dot-mit-dot-edu
The range of our projectiles---even ... the artillery---however great, will
never exceed four of those miles of which as many thousand separate us from
the center of the earth. ---Galileo, Dialogues Concerning Two New Sciences
.