I had pretty much the same idea as Roadklllbooks. I wasn't sure my equities were right because the cube action of the second position is coming up with "Invalid Cube," but I'll post the position pair anyway (below).
[EMG loss of 2.940, according to XGR++ evaluation.]
Nack
        
 
      
 | | White is Player 2
score: 0
pip: 120 | Unlimited Game
Jacoby Beaver | pip: 108
score: 0
Blue is Player 1 |
|
| XGID=-BBBBBB-a-a-a-aaaaacAbAbA-:1:1:1:00:0:0:3:0:10 |
| Blue on roll, cube action? |
| Analyzed in XG Roller++ | No redouble | Redouble/Take |
| Player Winning Chances: | 94.88% (G:91.09% B:65.93%) | 94.90% (G:91.18% B:66.36%) |
| Opponent Winning Chances: | 5.12% (G:0.72% B:0.04%) | 5.10% (G:0.72% B:0.04%) |
| Cubeless Equities | +2.460 | +4.931 |
| Cubeful Equities |
| No redouble: | +2.472 | |
| Redouble/Take: | +4.886 (+2.414) | |
| Redouble/Pass: | +1.000 (-1.472) |
| |
| Best Cube action: Too good to redouble / Pass |
| Percentage of wrong take needed to make the double decision right: 37.9% |
 
| | White is Player 2
score: 0
pip: 120 | Unlimited Game
Jacoby Beaver | pip: 104
score: 0
Blue is Player 1 |
|
| XGID=-BBCBC--a-a-a-aaaaacAbAbA-:1:1:-1:00:0:0:3:0:10 |
| White on roll, cube action? |
| Analyzed in XG Roller++ | No redouble | Redouble/Take |
| Player Winning Chances: | 72.57% (G:25.93% B:1.51%) | 72.57% (G:25.93% B:1.51%) |
| Opponent Winning Chances: | 27.43% (G:16.44% B:4.27%) | 27.43% (G:16.44% B:4.27%) |
| Cubeless Equities | +0.519 | +1.037 |
| Cubeful Equities |
| No redouble: | +0.468 (-0.468) | |
| Redouble/Take: | +0.936 | |
| Redouble/Pass: | +1.000 (+0.064) |
| |
| Best Cube action: Redouble / Take |