In my answer to this problem I suggested 13/7(2) may be a reasonable move and, in certain variations to the problem, the correct move.
The analysis below shows I am a donkey in all variations:
         
 
          
 | | White is Player 2
score: 0
pip: 127 | | 1 point match | pip: 114
score: 0
Blue is Player 1 |
|
| XGID=---ABbD-E---cC---a-bcbaa--:0:0:1:33:0:0:0:1:10 |
| Blue to play 33 |
| 1. | XG Roller++ | 13/10(3) 4/1 | eq: +0.5206 |
| Player:
Opponent: | 76.03% (G:1.92% B:0.01%)
23.97% (G:0.72% B:0.01%) | |
|
| 2. | XG Roller++ | 13/10(3) 6/3 | eq: +0.5148 (-0.0059) |
| Player:
Opponent: | 75.74% (G:1.50% B:0.01%)
24.26% (G:0.74% B:0.00%) | |
|
| 3. | XG Roller++ | 13/7(2) | eq: +0.1715 (-0.3491) |
| Player:
Opponent: | 58.57% (G:6.76% B:0.35%)
41.43% (G:6.62% B:0.13%) | |
|
eXtreme Gammon Version: 2.03, MET: Kazaross XG2
| | White is Player 2
score: 0
pip: 127 | Unlimited Game
Jacoby Beaver | pip: 114
score: 0
Blue is Player 1 |
|
| XGID=---ABbD-E---cC---a-bcbaa--:1:-1:1:33:0:0:3:0:10 |
| Blue to play 33 |
| 1. | XG Roller++ | 13/10(3) 4/1 | eq: +0.4400 |
| Player:
Opponent: | 75.87% (G:1.26% B:0.01%)
24.13% (G:0.70% B:0.00%) | |
|
| 2. | XG Roller++ | 13/10(3) 6/3 | eq: +0.4355 (-0.0045) |
| Player:
Opponent: | 75.71% (G:1.21% B:0.01%)
24.29% (G:0.73% B:0.00%) | |
|
| 3. | XG Roller++ | 13/7(2) | eq: +0.0239 (-0.4161) |
| Player:
Opponent: | 58.85% (G:6.35% B:0.35%)
41.15% (G:6.55% B:0.11%) | |
|
eXtreme Gammon Version: 2.03
| | White is Player 2
score: 0
pip: 127 | Unlimited Game
Jacoby Beaver | pip: 109
score: 0
Blue is Player 1 |
|
| XGID=---BBbD-D---cC---a-bcbaa--:0:0:1:33:0:0:3:0:10 |
| Blue to play 33 |
| 1. | XG Roller++ | 13/10(3) 4/1 | eq: +0.9647 |
| Player:
Opponent: | 78.54% (G:1.58% B:0.01%)
21.46% (G:0.83% B:0.01%) | |
|
| 2. | XG Roller++ | 13/10(3) 6/3 | eq: +0.9564 (-0.0083) |
| Player:
Opponent: | 77.91% (G:1.49% B:0.01%)
22.09% (G:0.83% B:0.01%) | |
|
| 3. | XG Roller++ | 13/7(2) | eq: +0.5062 (-0.4585) |
| Player:
Opponent: | 64.87% (G:9.14% B:0.55%)
35.13% (G:4.18% B:0.08%) | |
|
eXtreme Gammon Version: 2.03