I didn't get around to looking at these but I'll make a few post hoc comments anyway.
I looked at 20/10(2) here but ended up choosing 20/5 17/12. Worth comparing with this position.
         
 
       
 | | White is Player 2
score: 8
pip: 81 | | 11 point match | pip: 119
score: 5
Blue is Player 1 |
|
| XGID=aBBB-BB-A-------bA-bCbdbb-:1:-1:1:55:5:8:0:11:10 |
| Blue to play 55 |
| 1. | XG Roller+ | 20/10(2) | eq: +0.389 |
| Player:
Opponent: | 69.43% (G:7.61% B:0.11%)
30.57% (G:8.31% B:0.21%) | |
|
| 2. | XG Roller+ | 20/15 20/10 17/12 | eq: +0.357 (-0.032) |
| Player:
Opponent: | 68.92% (G:6.05% B:0.06%)
31.08% (G:9.52% B:0.53%) | |
|
| 3. | XG Roller+ | 20/15(3) 17/12 | eq: +0.321 (-0.068) |
| Player:
Opponent: | 67.61% (G:4.34% B:0.03%)
32.39% (G:6.98% B:0.09%) | |
|
| 4. | XG Roller+ | 20/5 17/12 | eq: +0.317 (-0.073) |
| Player:
Opponent: | 66.96% (G:4.92% B:0.03%)
33.04% (G:6.08% B:0.20%) | |
|
| 5. | XG Roller+ | 20/15 20/5 | eq: +0.280 (-0.109) |
| Player:
Opponent: | 65.72% (G:5.25% B:0.06%)
34.28% (G:9.46% B:0.40%) | |
|
| 6. | XG Roller+ | 20/15(2) 20/10 | eq: +0.256 (-0.133) |
| Player:
Opponent: | 64.91% (G:5.60% B:0.07%)
35.09% (G:11.60% B:0.23%) | |
|
| 7. | XG Roller+ | 20/10 17/7 | eq: +0.231 (-0.158) |
| Player:
Opponent: | 63.20% (G:5.20% B:0.05%)
36.80% (G:8.82% B:0.23%) | |
|
| 8. | XG Roller+ | 20/15(2) 17/7 | eq: +0.223 (-0.166) |
| Player:
Opponent: | 63.36% (G:4.75% B:0.04%)
36.64% (G:9.78% B:0.24%) | |
|
eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross
For money:
| | White is Player 2
score: 0
pip: 81 | Money session
Jacoby Beaver | pip: 119
score: 0
Blue is Player 1 |
|
| XGID=aBBB-BB-A-------bA-bCbdbb-:1:-1:1:55:0:0:3:0:10 |
| Blue to play 55 |
| 1. | XG Roller+ | 20/10(2) | eq: +0.303 |
| Player:
Opponent: | 69.45% (G:7.58% B:0.10%)
30.55% (G:8.12% B:0.21%) | |
|
| 2. | XG Roller+ | 20/15 20/10 17/12 | eq: +0.259 (-0.044) |
| Player:
Opponent: | 68.33% (G:7.39% B:0.11%)
31.67% (G:10.68% B:0.65%) | |
|
| 3. | XG Roller+ | 20/15(3) 17/12 | eq: +0.243 (-0.060) |
| Player:
Opponent: | 67.34% (G:4.28% B:0.03%)
32.66% (G:6.90% B:0.08%) | |
|
| 4. | XG Roller+ | 20/5 17/12 | eq: +0.234 (-0.069) |
| Player:
Opponent: | 66.90% (G:4.87% B:0.04%)
33.10% (G:5.54% B:0.15%) | |
|
eXtreme Gammon Version: 1.21
I thought this was a clear D/T and was surprised to see that the other two respondents didn't double. Worth comparing to Daily Quiz 2/7, position 1.
  
 
    
| | White is Player 1
score: 4
pip: 122 | | 11 point match | pip: 95
score: 7
Blue is Player 2 |
|
| XGID=--B-BCCbC---bB-a--bbbbb---:0:0:1:00:7:4:0:11:10 |
| Blue on roll, cube action? |
| Analyzed in XG Roller+ |
| Player Winning Chances: | 71.74% (G: 2.64% B: 0.04%) |
| Opponent Winning Chances: | 28.26% (G: 2.01% B: 0.05%) |
| |
| Cubeless Equities |
| No Double: | +0.448 |
| Double: | +1.105 |
| |
| Cubeful Equities |
| No Double: | +0.703 (-0.113) |
| Double/Take: | +0.816 |
| Double/Drop: | +1.000 (+0.184) |
| |
| Best Cube action: Double / Take |
| |
eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross
   
| | White is Player 2
score: 9
pip: 122 | | 11 point match | pip: 163
score: 4
Blue is Player 1 |
|
| XGID=aB-BBaB------Ca--bbbbbbABA:1:-1:1:22:4:9:0:11:10 |
| Blue to play 22 |
| 1. | XG Roller+ | Bar/23 13/11 6/2 | eq: -0.778 |
| Player:
Opponent: | 10.88% (G:0.37% B:0.01%)
89.12% (G:46.46% B:5.56%) | |
|
| 2. | XG Roller+ | Bar/23 13/11(2) 4/2 | eq: -0.779 (-0.001) |
| Player:
Opponent: | 10.85% (G:0.35% B:0.01%)
89.15% (G:47.92% B:6.10%) | |
|
| 3. | XG Roller+ | Bar/23 13/9 4/2 | eq: -0.781 (-0.003) |
| Player:
Opponent: | 10.77% (G:0.32% B:0.01%)
89.23% (G:46.78% B:5.79%) | |
|
| 4. | XG Roller+ | Bar/23 13/11 4/2 3/1 | eq: -0.806 (-0.028) |
| Player:
Opponent: | 9.56% (G:0.23% B:0.01%)
90.44% (G:49.98% B:7.53%) | |
|
| 5. | XG Roller+ | Bar/23 6/2 3/1 | eq: -0.817 (-0.039) |
| Player:
Opponent: | 9.05% (G:0.20% B:0.01%)
90.95% (G:48.61% B:6.33%) | |
|
| 6. | XG Roller+ | Bar/23 6/2 4/2 | eq: -0.819 (-0.041) |
| Player:
Opponent: | 8.87% (G:0.30% B:0.01%)
91.13% (G:45.69% B:4.51%) | |
|
| 7. | XG Roller+ | Bar/23 13/11(2) 6/4 | eq: -0.820 (-0.042) |
| Player:
Opponent: | 8.84% (G:0.27% B:0.01%)
91.16% (G:46.59% B:5.19%) | |
|
| 8. | XG Roller+ | Bar/23 13/9 6/4 | eq: -0.824 (-0.046) |
| Player:
Opponent: | 8.63% (G:0.26% B:0.01%)
91.37% (G:45.04% B:4.70%) | |
|
| 9. | XG Roller+ | Bar/23 13/11 6/4 3/1 | eq: -0.832 (-0.054) |
| Player:
Opponent: | 8.30% (G:0.20% B:0.01%)
91.70% (G:47.39% B:5.59%) | |
|
| 10. | XG Roller+ | Bar/23 13/9 3/1 | eq: -0.832 (-0.054) |
| Player:
Opponent: | 8.28% (G:0.18% B:0.01%)
91.72% (G:47.81% B:5.65%) | |
|
| 11. | XG Roller+ | Bar/23 13/11(2) 3/1 | eq: -0.834 (-0.056) |
| Player:
Opponent: | 8.22% (G:0.12% B:0.00%)
91.78% (G:48.49% B:6.00%) | |
|
| 12. | XG Roller+ | Bar/23 13/11(3) | eq: -0.842 (-0.064) |
| Player:
Opponent: | 7.72% (G:0.28% B:0.01%)
92.28% (G:47.29% B:4.77%) | |
|
| 13. | XG Roller+ | Bar/23 13/7 | eq: -0.845 (-0.067) |
| Player:
Opponent: | 7.60% (G:0.24% B:0.01%)
92.40% (G:47.33% B:4.99%) | |
|
| 14. | XG Roller+ | Bar/23 6/4 6/2 | eq: -0.846 (-0.068) |
| Player:
Opponent: | 7.54% (G:0.25% B:0.01%)
92.46% (G:43.98% B:3.71%) | |
|
| 15. | XG Roller+ | Bar/23 13/11 13/9 | eq: -0.847 (-0.069) |
| Player:
Opponent: | 7.45% (G:0.34% B:0.01%)
92.55% (G:48.24% B:4.98%) | |
|
eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross