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Rollout + 2 variants

Posted By: Timothy Chow
Date: Thursday, 4 July 2024, at 11:27 p.m.

In Response To: Attack or run? (Timothy Chow)

As Tenland observed, it matters a lot whether White has awkward rolls after we hit. See the two variants below.





White is Player 2

score: 0
pip: 104
Unlimited Game
pip: 147
score: 0

Blue is Player 1
XGID=--aaBBC-CB--------cbbbbCb-:1:1:1:63:0:0:0:0:10
Blue to play 63

1.Rollout123/14eq: +0.527
Player:
Opponent:
61.08% (G:15.35% B:0.64%)
38.92% (G:11.33% B:0.36%)
Conf.: ± 0.010 (+0.517...+0.537) - [100.0%]
Duration: 2 minutes 40 seconds
2.Rollout123/17 8/5eq: +0.475 (-0.052)
Player:
Opponent:
59.44% (G:15.61% B:0.64%)
40.56% (G:12.78% B:0.54%)
Conf.: ± 0.011 (+0.464...+0.486) - [0.0%]
Duration: 2 minutes 32 seconds
3.Rollout123/17 6/3* eq: +0.460 (-0.067)
Player:
Opponent:
60.50% (G:15.16% B:0.66%)
39.50% (G:17.18% B:0.59%)
Conf.: ± 0.011 (+0.449...+0.470) - [0.0%]
Duration: 3 minutes 34 seconds
4.Rollout19/3* 6/3eq: +0.379 (-0.148)
Player:
Opponent:
56.27% (G:15.28% B:0.58%)
43.73% (G:12.88% B:0.49%)
Conf.: ± 0.011 (+0.367...+0.390) - [0.0%]
Duration: 2 minutes 31 seconds
 
1 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release


Variant 1:





White is Player 2

score: 0
pip: 105
Unlimited Game
pip: 147
score: 0

Blue is Player 1
XGID=-a-aBBC-CB--------cbbbbCb-:1:1:1:63:0:0:0:0:10
Blue to play 63

1.Rollout123/14eq: +0.479
Player:
Opponent:
59.57% (G:14.32% B:0.57%)
40.43% (G:11.56% B:0.42%)
Conf.: ± 0.005 (+0.474...+0.484) - [79.2%]
Duration: 10 minutes 17 seconds
2.Rollout123/17 6/3* eq: +0.476 (-0.003)
Player:
Opponent:
61.32% (G:15.99% B:0.72%)
38.68% (G:16.90% B:0.67%)
Conf.: ± 0.006 (+0.470...+0.482) - [20.8%]
Duration: 12 minutes 35 seconds
3.Rollout223/17 8/5eq: +0.435 (-0.045)
Player:
Opponent:
58.41% (G:14.52% B:0.53%)
41.59% (G:12.78% B:0.56%)
Conf.: ± 0.011 (+0.424...+0.446) - [0.0%]
Duration: 2 minutes 38 seconds
4.Rollout29/3* 6/3eq: +0.434 (-0.045)
Player:
Opponent:
57.98% (G:16.14% B:0.69%)
42.02% (G:11.97% B:0.40%)
Conf.: ± 0.010 (+0.424...+0.444) - [0.0%]
Duration: 2 minutes 25 seconds
 
1 5184 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller

2 1296 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release


Variant 2:




White is Player 2

score: 0
pip: 103
Unlimited Game
pip: 147
score: 0

Blue is Player 1
XGID=--aaBBC-CB--------bcbbbCb-:1:1:1:63:0:0:0:0:10
Blue to play 63

1.Rollout123/14eq: +0.509
Player:
Opponent:
60.82% (G:14.53% B:0.53%)
39.18% (G:12.20% B:0.47%)
Conf.: ± 0.006 (+0.504...+0.515) - [98.5%]
Duration: 11 minutes 42 seconds
2.Rollout19/3* 6/3eq: +0.501 (-0.008)
Player:
Opponent:
59.83% (G:16.58% B:0.65%)
40.17% (G:11.87% B:0.46%)
Conf.: ± 0.005 (+0.497...+0.506) - [1.4%]
Duration: 8 minutes 05 seconds
3.Rollout123/17 6/3* eq: +0.495 (-0.014)
Player:
Opponent:
61.75% (G:15.60% B:0.64%)
38.25% (G:17.27% B:0.70%)
Conf.: ± 0.006 (+0.489...+0.502) - [0.0%]
Duration: 13 minutes 08 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

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