I looked in my files and didn't find anything exactly analogous to Phil's position, but here are a few somewhat related positions where Blue has to decide whether to hold the prime and dump checkers or just clear from the rear.
| | White is Player 2
score: 0 pip: 99 | Unlimited Game | pip: 87 score: 0
Blue is Player 1 | |
XGID=---bCCEBB--------a-bccb-b-:1:-1:1:31:0:0:0:0:10 |
Blue to play 31 |
1. | Rollout1 | 6/2 | eq: +0.617 |
| Player: Opponent: | 82.37% (G:2.71% B:0.03%) 17.63% (G:0.19% B:0.00%) | Conf.: ± 0.004 (+0.612...+0.621) - [100.0%] Duration: 2 minutes 34 seconds |
|
2. | Rollout1 | 6/5 4/1 | eq: +0.588 (-0.029) |
| Player: Opponent: | 81.23% (G:2.56% B:0.03%) 18.77% (G:0.23% B:0.00%) | Conf.: ± 0.004 (+0.584...+0.592) - [0.0%] Duration: 2 minutes 11 seconds |
|
3. | Rollout1 | 8/7 8/5 | eq: +0.559 (-0.058) |
| Player: Opponent: | 80.22% (G:1.92% B:0.02%) 19.78% (G:0.09% B:0.00%) | Conf.: ± 0.004 (+0.555...+0.563) - [0.0%] Duration: 2 minutes 13 seconds |
|
|
1 1296 Games rolled with Variance Reduction. Dice Seed: 271828 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.10
| | White is Player 2
score: 0 pip: 96 | Unlimited Game | pip: 76 score: 0
Blue is Player 1 | |
XGID=-AbBCCBBB----------cbcbab-:1:-1:1:41:0:0:0:0:10 |
Blue to play 41 |
1. | XG Roller++ | 7/6 7/3 | eq: +0.784 |
| Player: Opponent: | 88.06% (G:6.03% B:0.10%) 11.94% (G:0.41% B:0.01%) | |
|
2. | XG Roller++ | 8/7 8/4 | eq: +0.711 (-0.073) |
| Player: Opponent: | 85.39% (G:4.66% B:0.06%) 14.61% (G:0.46% B:0.01%) | |
|
3. | XG Roller++ | 5/1 4/3 | eq: +0.710 (-0.075) |
| Player: Opponent: | 85.45% (G:5.02% B:0.07%) 14.55% (G:0.96% B:0.02%) | |
|
eXtreme Gammon Version: 2.10
| | White is Player 2
score: 0 pip: 97 | Unlimited Game | pip: 103 score: 0
Blue is Player 1 | |
XGID=---bBBCBCB-A------babcbba-:1:-1:1:44:0:0:0:0:10 |
Blue to play 44 |
1. | XG Roller++ | 11/7 9/5 9/1 | eq: +0.539 |
| Player: Opponent: | 78.93% (G:3.43% B:0.05%) 21.07% (G:0.34% B:0.00%) | |
|
2. | XG Roller++ | 11/7 9/5(2) 8/4 | eq: +0.530 (-0.009) |
| Player: Opponent: | 78.52% (G:3.32% B:0.05%) 21.48% (G:0.36% B:0.00%) | |
|
3. | XG Roller++ | 9/5 9/1 8/4 | eq: +0.518 (-0.021) |
| Player: Opponent: | 77.54% (G:4.70% B:0.16%) 22.46% (G:0.67% B:0.01%) | |
|
4. | XG Roller++ | 9/1(2) | eq: +0.514 (-0.025) |
| Player: Opponent: | 77.37% (G:4.84% B:0.15%) 22.63% (G:0.73% B:0.01%) | |
|
5. | XG Roller++ | 11/7 9/5(2) 6/2 | eq: +0.513 (-0.026) |
| Player: Opponent: | 77.92% (G:3.18% B:0.05%) 22.08% (G:0.44% B:0.01%) | |
|
6. | XG Roller++ | 9/5(2) 8/4 6/2 | eq: +0.485 (-0.054) |
| Player: Opponent: | 76.14% (G:5.09% B:0.18%) 23.86% (G:1.37% B:0.03%) | |
|
7. | XG Roller++ | 11/7 8/4(3) | eq: +0.471 (-0.068) |
| Player: Opponent: | 76.09% (G:3.00% B:0.05%) 23.91% (G:0.62% B:0.01%) | |
|
8. | XG Roller++ | 9/5 9/1 6/2 | eq: +0.465 (-0.074) |
| Player: Opponent: | 75.52% (G:4.89% B:0.15%) 24.48% (G:1.22% B:0.03%) | |
|
eXtreme Gammon Version: 2.10