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32S-11P-61U-62 and 32S-11P-61U-63 -- Rollouts

Posted By: Igor
Date: Sunday, 9 February 2014, at 5:17 p.m.

In Response To: 32S-11P-61U-62 (Igor)

Big thanks to David and Nack for dissecting the position; I have learned a great deal from their explanations. From studying third rolls I have also noticed that XG does not like to bring a builder down to a point which is exactly 6 pips away from a made home board point; this might be another small factor why hit and split is better than hit and down with 63.





White is Player 2

score: 0
pip: 159
Unlimited Game
Jacoby Beaver
pip: 163
score: 0

Blue is Player 1
XGID=-a--B-CaC---dEa--c-e----B-:0:0:1:62:0:0:3:0:10
Blue to play 62

1.Rollout113/11 13/7* eq: +0.381
Player:
Opponent:
58.11% (G:20.31% B:1.16%)
41.89% (G:11.40% B:0.65%)
Conf.: 0.008 (+0.373...+0.389) - [100.0%]
Duration: 31 minutes 21 seconds
2.Rollout124/22 13/7* eq: +0.342 (-0.040)
Player:
Opponent:
57.23% (G:19.29% B:0.98%)
42.77% (G:10.71% B:0.50%)
Conf.: 0.008 (+0.333...+0.350) - [0.0%]
Duration: 33 minutes 01 second
1 5184 Games rolled with Variance Reduction.
Dice Seed: 36419517
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10





White is Player 2

score: 0
pip: 159
Unlimited Game
Jacoby Beaver
pip: 163
score: 0

Blue is Player 1
XGID=-a--B-CaC---dEa--c-e----B-:0:0:1:63:0:0:3:0:10
Blue to play 63

1.Rollout124/21 13/7* eq: +0.394
Player:
Opponent:
58.32% (G:19.52% B:1.06%)
41.68% (G:10.08% B:0.45%)
Conf.: 0.006 (+0.388...+0.400) - [100.0%]
Duration: 1 hour 07 minutes
2.Rollout113/10 13/7* eq: +0.379 (-0.015)
Player:
Opponent:
57.96% (G:20.39% B:1.16%)
42.04% (G:11.13% B:0.63%)
Conf.: 0.006 (+0.373...+0.385) - [0.0%]
Duration: 1 hour 04 minutes
1 10368 Games rolled with Variance Reduction.
Dice Seed: 72233048
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10

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