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Rollouts!

Posted By: benf
Date: Saturday, 14 July 2012, at 7:41 p.m.

In Response To: Some positions from novi #1 (benf)

Position 1 surprised me. I never thought that this position was this strong but with the 3 deep white checkers and the large number of gammons it plays out much better then I feared.





White is Player 2

score: 0
pip: 128
Unlimited Game
Jacoby Beaver
pip: 116
score: 0

Blue is Player 1
XGID=a-BB-CBBA---b--bbbBc-A-ba-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller++ No redouble Redouble/Take
Player Winning Chances: 71.96% (G:36.54% B:0.95%) 72.23% (G:37.01% B:0.97%)
Opponent Winning Chances: 28.04% (G:5.58% B:0.24%) 27.77% (G:5.55% B:0.23%)
Cubeless Equities +0.756 +1.533
Cubeful Equities
No redouble:+0.956 (-0.044)
Redouble/Take:+1.338 (+0.338)
Redouble/Pass:+1.000
Best Cube action: Redouble / Pass

eXtreme Gammon Version: 2.03

I considered that I may not be too good here but decided to roll on. The sequence was 11, 62 so I regretted it but was right after all.





White is Player 2

score: 0
pip: 108
Unlimited Game
Jacoby Beaver
pip: 35
score: 0

Blue is Player 1
XGID=-GDC-a-b-a-A-------abbbbb-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller++ No redouble Redouble/Take
Player Winning Chances: 87.40% (G:42.25% B:0.01%) 87.39% (G:42.18% B:0.01%)
Opponent Winning Chances: 12.60% (G:0.42% B:0.01%) 12.61% (G:0.39% B:0.01%)
Cubeless Equities +1.166 +2.331
Cubeful Equities
No redouble:+1.186
Redouble/Take:+2.231 (+1.045)
Redouble/Pass:+1.000 (-0.186)
Best Cube action: Too good to redouble / Pass
Percentage of wrong take needed to make the double decision right: 15.1%

eXtreme Gammon Version: 2.03

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