The XG eval says Z (13/7, split with smaller number) is best for these twelve positions: 61P-31P-61, 61P-31P-62, 61P-31P-63, 61P-42P-61, 61P-42P-62, 61P-42P-64, 61P-53P-61, 61P-53P-63, 61P-53P-64, 61P-64P-62, 61P-64P-63, 61P-64P-64.
However, Z is not possible in 61P-31P-64, 61P-42P-63, 61P-53P-62, 61P-64P-61.
Rollouts of six positions from this extended family appear below.
         
    
         
 |  is Player 2
score: 0
pip: 159 | Money session
Jacoby Beaver | pip: 160
score: 0
 is Player 1 |
|
| XGID=-b----EBB---eD---b-d--b-B-:0:0:1:26:0:0:3:0:10 |
| to play 26 |
| 1. | Rollout1 | 13/11 13/7 | eq: +0.067 |
| Player:
Opponent: | 51.60% (G:16.46% B:0.81%)
48.40% (G:14.65% B:0.80%) | Conf: ± 0.011 (+0.056...+0.078)
Duration: 2 hours 08 minutes |
|
| 2. | Rollout1 | 24/16 | eq: +0.042 (-0.025) |
| Player:
Opponent: | 51.85% (G:12.55% B:0.60%)
48.15% (G:15.09% B:0.56%) | Conf: ± 0.011 (+0.031...+0.053)
Duration: 2 hours 24 minutes |
|
| 3. | Rollout2 | 13/7 6/4 | eq: +0.022 (-0.045) |
| Player:
Opponent: | 50.96% (G:15.30% B:0.71%)
49.04% (G:15.17% B:0.87%) | Conf: ± 0.024 (-0.002...+0.046)
Duration: 48 minutes 43 seconds |
|
| 4. | Rollout2 | 24/18 13/11 | eq: -0.002 (-0.070) |
| Player:
Opponent: | 51.14% (G:13.43% B:0.74%)
48.86% (G:16.15% B:0.71%) | Conf: ± 0.024 (-0.026...+0.022)
Duration: 53 minutes 40 seconds |
|
| 5. | Rollout2 | 13/5 | eq: -0.005 (-0.072) |
| Player:
Opponent: | 50.12% (G:14.86% B:0.69%)
49.88% (G:15.46% B:0.88%) | Conf: ± 0.026 (-0.031...+0.021)
Duration: 52 minutes 20 seconds |
|
| |
1 5184 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
2 1151 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20
| is Player 2
score: 0
pip: 161 | Money session
Jacoby Beaver | pip: 160
score: 0
is Player 1 |
|
| XGID=-b----EBB---eD---b-d-b--B-:0:0:1:63:0:0:3:0:10 |
| to play 63 |
| 1. | Rollout1 | 24/15 | eq: -0.019 |
| Player:
Opponent: | 50.38% (G:12.29% B:0.67%)
49.62% (G:15.54% B:0.59%) | Conf: ± 0.016 (-0.035...-0.003)
Duration: 2 hours 00 minute |
|
| 2. | Rollout1 | 13/10 13/7 | eq: -0.055 (-0.036) |
| Player:
Opponent: | 48.53% (G:15.63% B:0.79%)
51.47% (G:15.64% B:0.95%) | Conf: ± 0.015 (-0.070...-0.040)
Duration: 1 hour 49 minutes |
|
| 3. | Rollout2 | 24/18 13/10 | eq: -0.098 (-0.080) |
| Player:
Opponent: | 48.76% (G:12.33% B:0.65%)
51.24% (G:16.96% B:0.76%) | Conf: ± 0.024 (-0.122...-0.074)
Duration: 1 hour 16 minutes |
|
| |
1 2592 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
2 1296 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20
| is Player 2
score: 0
pip: 159 | Money session
Jacoby Beaver | pip: 160
score: 0
is Player 1 |
|
| XGID=-b----EBB---eD---b-d--b-B-:0:0:1:61:0:0:3:0:10 |
| to play 61 |
| 1. | Rollout1 | 24/23 13/7 | eq: +0.086 |
| Player:
Opponent: | 52.24% (G:14.98% B:0.70%)
47.76% (G:13.96% B:0.57%) | Conf: ± 0.008 (+0.078...+0.094)
Duration: 2 hours 15 minutes |
|
| 2. | Rollout1 | 13/7 6/5 | eq: +0.069 (-0.017) |
| Player:
Opponent: | 52.04% (G:15.30% B:0.71%)
47.96% (G:14.70% B:0.87%) | Conf: ± 0.009 (+0.060...+0.078)
Duration: 2 hours 29 minutes |
|
| |
1 10368 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20
| is Player 2
score: 0
pip: 163 | Money session
Jacoby Beaver | pip: 160
score: 0
is Player 1 |
|
| XGID=-b----EBB---eD---b-db---B-:0:0:1:64:0:0:3:0:10 |
| to play 64 |
| 1. | Rollout1 | 24/14 | eq: -0.041 |
| Player:
Opponent: | 49.69% (G:11.90% B:0.61%)
50.31% (G:14.94% B:0.49%) | Conf: ± 0.021 (-0.062...-0.020)
Duration: 1 hour 12 minutes |
|
| 2. | Rollout1 | 13/9 13/7 | eq: -0.131 (-0.090) |
| Player:
Opponent: | 46.63% (G:15.05% B:0.72%)
53.37% (G:15.76% B:0.83%) | Conf: ± 0.023 (-0.154...-0.108)
Duration: 1 hour 06 minutes |
|
| 3. | Rollout1 | 24/18 13/9 | eq: -0.135 (-0.093) |
| Player:
Opponent: | 47.13% (G:12.95% B:0.68%)
52.87% (G:16.58% B:0.84%) | Conf: ± 0.024 (-0.159...-0.111)
Duration: 1 hour 15 minutes |
|
| |
1 1296 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20
| is Player 2
score: 0
pip: 157 | Money session
Jacoby Beaver | pip: 160
score: 0
is Player 1 |
|
| XGID=-b----EBB---eD---b-d---bB-:0:0:1:61:0:0:3:0:10 |
| to play 61 |
| 1. | Rollout1 | 13/7 6/5 | eq: +0.168 |
| Player:
Opponent: | 53.90% (G:16.28% B:0.79%)
46.10% (G:13.94% B:0.77%) | Conf: ± 0.033 (+0.135...+0.201)
Duration: 1 hour 12 minutes |
|
| 2. | Rollout1 | 13/6 | eq: -0.005 (-0.173) |
| Player:
Opponent: | 50.68% (G:15.15% B:0.71%)
49.32% (G:15.55% B:0.79%) | Conf: ± 0.022 (-0.027...+0.017)
Duration: 1 hour 02 minutes |
|
| 3. | Rollout1 | 24/18 6/5 | eq: -0.078 (-0.246) |
| Player:
Opponent: | 49.61% (G:12.91% B:0.63%)
50.39% (G:18.80% B:0.89%) | Conf: ± 0.022 (-0.100...-0.056)
Duration: 1 hour 16 minutes |
|
| |
1 1296 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20
| is Player 2
score: 0
pip: 157 | Money session
Jacoby Beaver | pip: 160
score: 0
is Player 1 |
|
| XGID=-b----EBB---eD---b-d---bB-:0:0:1:62:0:0:3:0:10 |
| to play 62 |
| 1. | Rollout1 | 24/22 13/7 | eq: +0.204 |
| Player:
Opponent: | 55.13% (G:16.07% B:0.75%)
44.87% (G:13.11% B:0.51%) | Conf: ± 0.019 (+0.185...+0.223)
Duration: 12 minutes 00 second |
|
| 2. | Rollout1 | 13/11 13/7 | eq: +0.132 (-0.072) |
| Player:
Opponent: | 53.88% (G:17.25% B:0.85%)
46.12% (G:14.44% B:0.75%) | Conf: ± 0.024 (+0.108...+0.156)
Duration: 11 minutes 18 seconds |
|
| 3. | 3 ply | 24/16 | eq: +0.094 (-0.111) |
| Player:
Opponent: | 53.74% (G:12.86% B:0.59%)
46.26% (G:14.00% B:0.47%) | |
|
| 4. | 3 ply | 13/7 6/4 | eq: +0.093 (-0.112) |
| Player:
Opponent: | 52.82% (G:15.30% B:0.72%)
47.18% (G:13.94% B:0.77%) | |
|
| 5. | 3 ply | 24/18 13/11 | eq: +0.078 (-0.126) |
| Player:
Opponent: | 53.26% (G:13.58% B:0.66%)
46.74% (G:14.43% B:0.59%) | |
|
| |
1 1296 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply
|
eXtreme Gammon Version: 1.20