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XGR+: How easy is this cube action for both sides?

Posted By: Timothy Chow
Date: Sunday, 10 March 2013, at 7:25 p.m.

In Response To: How easy is this cube action for both sides? (svilo)

XG1 4-ply evaluates this as D/P so the truncated rollout below may exaggerate the ND equity, if it's cashing prematurely on the next roll. A stronger rollout is recommended.





White is Player 1

score: 1
pip: 71
7 point match
pip: 27
score: 2

Blue is Player 2
XGID=--A----------a----accbc-bA:1:1:1:00:2:1:0:7:3
Blue on roll, cube action?


Analyzed in Rollout
No Double
Player Winning Chances: 73.93% (G: 5.58% B: 1.26%)
Opponent Winning Chances: 26.07% (G: 0.00% B: 0.00%)
Double/Take
Player Winning Chances: 73.46% (G: 6.60% B: 1.78%)
Opponent Winning Chances: 26.54% (G: 0.00% B: 0.00%)
Cubeless Equities
No Redouble:+0.556
Redouble:+1.107
Cubeful Equities
No Redouble:+0.828
Redouble/Take:+0.797 (-0.032)
Redouble/Drop:+1.000 (+0.172)
Best Cube action: No Redouble / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 2
First 2 moves and cube decisions: 3 ply
Remaining moves: 2 ply, cube decisions: 3 ply
Confidence No Redouble: ± 0.010 (+0.819...+0.838)
Confidence Redouble: ± 0.019 (+0.777...+0.816)
Double Decision confidence: 99.8%
Take Decision confidence: 100.0%
Duration: 1 minute 08 seconds

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross

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