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Rollout and variant

Posted By: Timothy Chow
Date: Thursday, 22 October 2015, at 8:36 p.m.

In Response To: A good position for one of Stick's Gammon Village articles (Timothy Chow)

The article in question is the "Mythbuster" on whether to cover a slotted 1pt. I played 14/9 4/1, covering the 1pt, but the rollout puts 14/6 on top. I have included a variant so that you have two data points to refer to when coming up with your theory of what's going on here.





White is Player 2

score: 0
pip: 128
Unlimited Game
pip: 121
score: 0

Blue is Player 1
XGID=-AaBCBB-----dBA--c-bBbc---:1:-1:1:53:0:0:0:0:10
Blue to play 53

1.Rollout114/6eq: +0.367
Player:
Opponent:
64.96% (G:25.28% B:0.20%)
35.04% (G:4.93% B:0.19%)
Conf.: ± 0.007 (+0.360...+0.374) - [100.0%]
Duration: 8 minutes 31 seconds
2.Rollout114/9 4/1eq: +0.331 (-0.036)
Player:
Opponent:
63.76% (G:24.45% B:0.19%)
36.24% (G:4.66% B:0.18%)
Conf.: ± 0.007 (+0.324...+0.338) - [0.0%]
Duration: 8 minutes 04 seconds
1 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.208.pre-release


Variant:





White is Player 2

score: 0
pip: 128
Unlimited Game
pip: 122
score: 0

Blue is Player 1
XGID=-AaBBCB-----dBA--c-bBbc---:1:-1:1:54:0:0:0:0:10
Blue to play 54

1.XG Roller++14/9 5/1eq: +0.327
Player:
Opponent:
63.26% (G:24.17% B:0.15%)
36.74% (G:4.64% B:0.18%)
2.XG Roller++14/5eq: +0.276 (-0.051)
Player:
Opponent:
62.12% (G:22.63% B:0.19%)
37.88% (G:5.63% B:0.23%)

eXtreme Gammon Version: 2.19.208.pre-release

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