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Cube action

Posted By: Neil Robins
Date: Saturday, 15 May 2010, at 3:49 a.m.

In Response To: Initial XG Rollout (Daniel Murphy)

XG 3-ply does not double after either 13/4* or 22/13. And it is correct.





is Player 2

score: 1
pip: 157
7 point match
pip: 152
score: 0

is Player 1
XGID=a-aBA-D-BA--dB---bbbc-BA--:0:0:-1:00:0:1:0:7:10
on roll, cube action?


Analyzed in Rollout
No Double
Player Winning Chances: 66.07% (G: 21.31% B: 1.44%)
Opponent Winning Chances: 33.93% (G: 10.14% B: 0.75%)
Double/Take
Player Winning Chances: 66.48% (G: 22.11% B: 1.60%)
Opponent Winning Chances: 33.52% (G: 10.12% B: 1.28%)
Cubeless Equities
No Double:+0.461
Double:+0.994
Cubeful Equities
No Double:+0.687
Double/Take:+0.650 (-0.037)
Double/Drop:+1.000 (+0.313)
Best Cube action: No Double / Take
Rollout details
2592 Games rolled with Variance Reduction.
Dice Seed: 31247
Moves and cube decisions: 3 ply
Confidence No Double: ± 0.018 (+0.669...+0.705)
Confidence Double: ± 0.025 (+0.624...+0.675)
Double Decision confidence: 99.0%
Take Decision confidence: 100.0%
Duration: 1 hour 01 minute

eXtreme Gammon Version: 1.14, MET: GnuBG 11 point
is Player 2

score: 1
pip: 153
7 point match
pip: 152
score: 0

is Player 1
XGID=--aBa-D-BA--dD---bbbc-AA--:0:0:-1:00:0:1:0:7:10
on roll, cube action?


Analyzed in Rollout
No Double
Player Winning Chances: 65.83% (G: 21.00% B: 1.32%)
Opponent Winning Chances: 34.17% (G: 8.45% B: 0.51%)
Double/Take
Player Winning Chances: 66.05% (G: 21.42% B: 1.53%)
Opponent Winning Chances: 33.95% (G: 8.74% B: 0.94%)
Cubeless Equities
No Double:+0.473
Double:+0.999
Cubeful Equities
No Double:+0.695
Double/Take:+0.647 (-0.048)
Double/Drop:+1.000 (+0.305)
Best Cube action: No Double / Take
Rollout details
2592 Games rolled with Variance Reduction.
Dice Seed: 31247
Moves and cube decisions: 3 ply
Confidence No Double: ± 0.015 (+0.680...+0.710)
Confidence Double: ± 0.021 (+0.626...+0.668)
Double Decision confidence: 100.0%
Take Decision confidence: 100.0%
Duration: 1 hour 03 minutes

eXtreme Gammon Version: 1.14, MET: GnuBG 11 point

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