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Rollout: Break anchor to hit? #1

Posted By: Timothy Chow
Date: Sunday, 20 April 2014, at 5:41 p.m.

In Response To: Break anchor to hit? #1 (Timothy Chow)

I thought I'd start this series with a more-or-less "standard" position, if there is such a thing for this type of problem. I don't know exactly what I mean by "standard" but the two bonus positions below will give you some idea of what I mean.

Some of the positions that I'll post later in this series are decidedly more baroque.





White is Player 2

score: 0
pip: 145
Unlimited Game
pip: 152
score: 0

Blue is Player 1
XGID=-a--B-DaC---bDb-ab-bbbB---:1:1:1:42:0:0:0:0:10
Blue to play 42

1.Rollout122/16* eq: +0.008
Player:
Opponent:
44.76% (G:13.65% B:0.96%)
55.24% (G:19.08% B:0.82%)
Conf.: ± 0.013 (-0.005...+0.021) - [100.0%]
Duration: 20 minutes 21 seconds
2.Rollout113/7* eq: -0.058 (-0.066)
Player:
Opponent:
40.95% (G:12.82% B:0.68%)
59.05% (G:15.72% B:0.71%)
Conf.: ± 0.012 (-0.070...-0.046) - [0.0%]
Duration: 17 minutes 35 seconds
1 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10


Bonus 1:





White is Player 2

score: 0
pip: 121
Unlimited Game
pip: 170
score: 0

Blue is Player 1
XGID=--a--BC-C---cDa--b-bbBbbA-:1:1:1:52:0:0:0:0:10
Blue to play 52

1.Rollout121/14* eq: -0.199
Player:
Opponent:
41.55% (G:10.11% B:0.47%)
58.45% (G:28.47% B:1.82%)
Conf.: ± 0.009 (-0.209...-0.190) - [100.0%]
Duration: 16 minutes 46 seconds
2.Rollout113/11 13/8eq: -0.229 (-0.030)
Player:
Opponent:
37.99% (G:7.41% B:0.29%)
62.01% (G:20.96% B:0.75%)
Conf.: ± 0.009 (-0.238...-0.220) - [0.0%]
Duration: 18 minutes 05 seconds
3.Rollout113/6eq: -0.236 (-0.036)
Player:
Opponent:
36.87% (G:7.21% B:0.26%)
63.13% (G:18.76% B:0.54%)
Conf.: ± 0.008 (-0.244...-0.227) - [0.0%]
Duration: 16 minutes 21 seconds
1 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10


Bonus 2:





White is Player 2

score: 0
pip: 129
Unlimited Game
pip: 154
score: 0

Blue is Player 1
XGID=-a-B--E-B---bCa--bbeBb-A--:0:0:1:61:0:0:0:0:10
Blue to play 61

1.Rollout123/22 20/14* eq: -0.256
Player:
Opponent:
43.92% (G:12.61% B:0.56%)
56.08% (G:19.26% B:1.11%)
Conf.: ± 0.015 (-0.272...-0.241) - [97.5%]
Duration: 19 minutes 45 seconds
2.Rollout120/14* 14/13eq: -0.276 (-0.020)
Player:
Opponent:
42.92% (G:12.19% B:0.46%)
57.08% (G:18.28% B:0.73%)
Conf.: ± 0.013 (-0.290...-0.263) - [2.5%]
Duration: 18 minutes 57 seconds
3.XG Roller+23/16eq: -0.380 (-0.124)
Player:
Opponent:
39.38% (G:7.45% B:0.20%)
60.62% (G:10.95% B:0.30%)
1 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10

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