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Prime or Attack? What's Best? **ROLLOUT**

Posted By: Timothy Chow
Date: Sunday, 8 February 2015, at 7:40 p.m.

In Response To: Prime or Attack? What's Best? **ROLLOUT** (Michael Depreli)

I've been spending a little time with this position of Michael's, which I feel is extremely interesting. I don't have any deep insight to contribute (yet) but here at least are two variants to ponder.





White is Player 2

score: 0
pip: 88
Unlimited Game
pip: 109
score: 0

Blue is Player 1
XGID=-B--aBBBCA-A-AA--bbc-bbba-:1:1:1:51:0:0:0:0:10
Blue to play 51

1.Rollout19/4* 5/4eq: +0.183
Player:
Opponent:		54.48% (G:4.71% B:0.10%)
45.52% (G:21.18% B:1.01%)		Conf.: ± 0.008 (+0.175...+0.191) - [100.0%]
Duration: 7 minutes 09 seconds
2.Rollout114/9 11/10eq: +0.165 (-0.018)
Player:
Opponent:		52.70% (G:3.07% B:0.09%)
47.30% (G:15.15% B:0.12%)		Conf.: ± 0.007 (+0.158...+0.172) - [0.0%]
Duration: 6 minutes 38 seconds
3.Rollout113/12 9/4* eq: +0.144 (-0.039)
Player:
Opponent:		52.63% (G:4.67% B:0.14%)
47.37% (G:20.23% B:0.61%)		Conf.: ± 0.008 (+0.137...+0.152) - [0.0%]
Duration: 6 minutes 45 seconds
4.Rollout111/10 9/4* eq: +0.136 (-0.047)
Player:
Opponent:		53.52% (G:4.80% B:0.14%)
46.48% (G:23.17% B:1.04%)		Conf.: ± 0.007 (+0.129...+0.143) - [0.0%]
Duration: 6 minutes 34 seconds
5.Rollout114/13 9/4* eq: +0.126 (-0.057)
Player:
Opponent:		51.40% (G:4.39% B:0.12%)
48.60% (G:17.29% B:0.17%)		Conf.: ± 0.008 (+0.118...+0.133) - [0.0%]
Duration: 6 minutes 20 seconds
6.Rollout19/4* 8/7eq: +0.122 (-0.061)
Player:
Opponent:		52.34% (G:4.28% B:0.11%)
47.66% (G:20.62% B:0.57%)		Conf.: ± 0.008 (+0.114...+0.129) - [0.0%]
Duration: 5 minutes 34 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
White is Player 2

score: 0
pip: 89
Unlimited Game
pip: 108
score: 0

Blue is Player 1
XGID=-B--aBBCBA-A-AA--bcb-bbba-:1:1:1:51:0:0:0:0:10
Blue to play 51

1.Rollout19/4* 7/6eq: +0.242
Player:
Opponent:		55.77% (G:5.79% B:0.14%)
44.23% (G:18.05% B:0.70%)		Conf.: ± 0.005 (+0.237...+0.247) - [99.7%]
Duration: 6 minutes 20 seconds
2.Rollout114/9 7/6eq: +0.231 (-0.011)
Player:
Opponent:		52.33% (G:3.11% B:0.08%)
47.67% (G:6.38% B:0.09%)		Conf.: ± 0.006 (+0.225...+0.237) - [0.3%]
Duration: 6 minutes 04 seconds
3.Rollout114/9 11/10eq: +0.225 (-0.017)
Player:
Opponent:		54.02% (G:3.62% B:0.11%)
45.98% (G:12.28% B:0.13%)		Conf.: ± 0.007 (+0.218...+0.232) - [0.0%]
Duration: 6 minutes 20 seconds
4.Rollout19/4* 5/4eq: +0.207 (-0.035)
Player:
Opponent:		55.21% (G:5.37% B:0.11%)
44.79% (G:19.17% B:0.97%)		Conf.: ± 0.006 (+0.201...+0.213) - [0.0%]
Duration: 5 minutes 47 seconds
5.Rollout111/10 9/4* eq: +0.204 (-0.038)
Player:
Opponent:		55.51% (G:5.52% B:0.13%)
44.49% (G:19.84% B:0.94%)		Conf.: ± 0.006 (+0.198...+0.210) - [0.0%]
Duration: 5 minutes 43 seconds
6.Rollout113/12 9/4* eq: +0.204 (-0.038)
Player:
Opponent:		54.24% (G:5.38% B:0.13%)
45.76% (G:18.37% B:0.54%)		Conf.: ± 0.011 (+0.193...+0.215) - [0.0%]
Duration: 6 minutes 27 seconds
7.Rollout114/13 9/4* eq: +0.181 (-0.061)
Player:
Opponent:		52.51% (G:5.21% B:0.13%)
47.49% (G:15.57% B:0.16%)		Conf.: ± 0.012 (+0.169...+0.193) - [0.0%]
Duration: 6 minutes 27 seconds
8.Rollout19/4* 4/3eq: +0.155 (-0.087)
Player:
Opponent:		53.21% (G:5.00% B:0.12%)
46.79% (G:17.23% B:0.40%)		Conf.: ± 0.009 (+0.146...+0.164) - [0.0%]
Duration: 6 minutes 48 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

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