As I learned from Ballard and Weaver's book, this is a "Naked Ace Point" position.
The DMP rollout is pretty interesting as a comparison.
        
 
         
 | | White is Player 2
score: 0
pip: 159 | | Unlimited Game | pip: 176
score: 0
Blue is Player 1 |
|
| XGID=-a----E-CaA-eC---c-e----BA:0:0:1:55:0:0:0:0:10 |
| Blue to play 55 |
| 1. | Rollout1 | Bar/20 13/8 6/1*(2) | eq: -0.004 |
| Player:
Opponent: | 48.05% (G:18.31% B:0.34%)
51.95% (G:12.41% B:0.70%) | Conf.: ± 0.016 (-0.020...+0.012) - [100.0%]
Duration: 7 minutes 33 seconds |
|
| 2. | Rollout1 | Bar/20 10/5 6/1*(2) | eq: -0.063 (-0.059) |
| Player:
Opponent: | 46.95% (G:17.75% B:0.41%)
53.05% (G:13.46% B:0.82%) | Conf.: ± 0.018 (-0.081...-0.046) - [0.0%]
Duration: 7 minutes 42 seconds |
|
| 3. | Rollout1 | Bar/10 6/1* | eq: -0.065 (-0.061) |
| Player:
Opponent: | 47.90% (G:14.85% B:0.43%)
52.10% (G:13.58% B:0.82%) | Conf.: ± 0.015 (-0.080...-0.050) - [0.0%]
Duration: 8 minutes 32 seconds |
|
| 4. | Rollout1 | Bar/10 13/8 | eq: -0.079 (-0.075) |
| Player:
Opponent: | 47.93% (G:13.87% B:0.55%)
52.07% (G:13.32% B:0.70%) | Conf.: ± 0.013 (-0.092...-0.066) - [0.0%]
Duration: 8 minutes 10 seconds |
|
| |
1 1296 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release
DMP:
| | White is Player 2
score: 0
pip: 159 | | 1 point match | pip: 176
score: 0
Blue is Player 1 |
|
| XGID=-a----E-CaA-eC---c-e----BA:0:0:1:55:0:0:0:1:10 |
| Blue to play 55 |
| 1. | Rollout1 | Bar/10 6/1* | eq: -0.035 |
| Player:
Opponent: | 48.27% (G:14.86% B:1.02%)
51.73% (G:15.61% B:2.54%) | Conf.: ± 0.003 (-0.038...-0.032) - [72.9%]
Duration: 26 minutes 20 seconds |
|
| 2. | Rollout1 | Bar/20 13/8 6/1*(2) | eq: -0.036 (-0.001) |
| Player:
Opponent: | 48.20% (G:19.45% B:1.02%)
51.80% (G:13.96% B:2.19%) | Conf.: ± 0.003 (-0.039...-0.033) - [27.0%]
Duration: 22 minutes 57 seconds |
|
| 3. | Rollout1 | Bar/10 13/8 | eq: -0.040 (-0.005) |
| Player:
Opponent: | 48.01% (G:14.44% B:1.40%)
51.99% (G:14.97% B:2.05%) | Conf.: ± 0.003 (-0.043...-0.037) - [0.1%]
Duration: 24 minutes 10 seconds |
|
| 4. | Rollout1 | Bar/20 10/5 6/1*(2) | eq: -0.054 (-0.019) |
| Player:
Opponent: | 47.30% (G:19.26% B:0.94%)
52.70% (G:15.43% B:2.63%) | Conf.: ± 0.003 (-0.057...-0.051) - [0.0%]
Duration: 26 minutes 55 seconds |
|
| |
1 5184 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release, MET: Kazaross XG2