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Backgammon Boot Camp #4-1 (End-Contact Positions) -- Rollout

Posted By: Igor
Date: Monday, 9 March 2015, at 3:23 p.m.

In Response To: Backgammon Boot Camp #4-1 (End-Contact Positions) (Igor)

This is a clear double since any hit is a market loser, and there are 14 hitting numbers. Also, non-hitting numbers are not anti-market losers. White wins about 3% after the hit, or 1/2 games. If blue misses, it becomes a pretty much even race where white wins 11 out of 22 games. All in all white wins about 30%, which is more than sufficient for a take.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 70
score: 0

Blue is Player 1
XGID=-BBBBBC--Aa--A-----bccbbb-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No redouble Redouble/Take
Player Winning Chances: 69.95% (G:1.03% B:0.01%) 70.27% (G:0.80% B:0.02%)
Opponent Winning Chances: 30.05% (G:0.00% B:0.00%) 29.73% (G:0.00% B:0.00%)
Cubeless Equities +0.410 +0.827
Cubeful Equities
No redouble:+0.545 (-0.093)±0.004 (+0.541..+0.550)
Redouble/Take:+0.639±0.009 (+0.630..+0.647)
Redouble/Pass:+1.000 (+0.361)
Best Cube action: Redouble / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 96460002
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 4.1 seconds

eXtreme Gammon Version: 2.10

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