Behind in the race and in some danger of getting blitzed, I tried 9/4 here. That is apparently not the right idea (but see the variant below). I'm still not sure I understand what's going on in this position and would welcome insights by Casper or anyone else.

              
 
              
 | | White is Player 2
score: 0 pip: 132 | Money session Jacoby Beaver | pip: 145 score: 0
Blue is Player 1 | |
| XGID=---b-BDBBA--dB-----cbAb-bA:0:0:1:52:0:0:3:0:10 |
| Blue to play 52 |
| 1. | Rollout1 | Bar/18 | eq: -0.221 |
| Player: Opponent: | 48.16% (G:11.88% B:0.59%) 51.84% (G:28.31% B:1.17%) | Conf: ± 0.013 (-0.234...-0.208) Duration: 1 hour 42 minutes |
|
| 2. | Rollout1 | Bar/23 21/16 | eq: -0.275 (-0.053) |
| Player: Opponent: | 46.70% (G:11.09% B:0.53%) 53.30% (G:27.32% B:1.06%) | Conf: ± 0.013 (-0.288...-0.262) Duration: 1 hour 52 minutes |
|
| 3. | Rollout1 | Bar/23 9/4 | eq: -0.291 (-0.069) |
| Player: Opponent: | 47.03% (G:13.27% B:0.72%) 52.97% (G:26.02% B:0.93%) | Conf: ± 0.015 (-0.306...-0.276) Duration: 2 hours 36 minutes |
|
| |
1 2592 Games rolled with Variance Reduction. Dice Seed: 2 Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.21
Variant:

              
 
              
 | | White is Player 2
score: 0 pip: 132 | Money session Jacoby Beaver | pip: 145 score: 0
Blue is Player 1 | |
| XGID=---b-CBCBA--dB-----cbAb-bA:0:0:1:52:0:0:3:0:10 |
| Blue to play 52 |
| 1. | Rollout1 | Bar/23 9/4 | eq: -0.209 |
| Player: Opponent: | 48.83% (G:13.28% B:0.68%) 51.17% (G:25.29% B:0.85%) | Conf: ± 0.012 (-0.221...-0.197) Duration: 5 hours 18 minutes |
|
| 2. | Rollout1 | Bar/18 | eq: -0.215 (-0.006) |
| Player: Opponent: | 48.66% (G:11.80% B:0.59%) 51.34% (G:28.63% B:1.16%) | Conf: ± 0.009 (-0.224...-0.206) Duration: 3 hours 27 minutes |
|
| |
1 5184 Games rolled with Variance Reduction. Dice Seed: 2 Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.21