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Cube Action AtS includes bot info

Posted By: neilkaz
Date: Tuesday, 7 July 2015, at 5:31 p.m.

In Response To: Cube Action AtS includes bot info (David Presser)

Our understanding of C.E. differs greatly.

The position below has huge C.E. as cubing transforms a 75% CPW position into one that effectively wins 100% of the time.




White is Player 2

score: 0
pip: 2
Unlimited Game
Jacoby Beaver
pip: 6
score: 0

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

Analyzed in XG Roller++ No double Double/Take
Player Winning Chances: 75.000% (G:0.000% B:0.000%) 75.000% (G:0.000% B:0.000%)
Opponent Winning Chances: 25.000% (G:0.000% B:0.000%) 25.000% (G:0.000% B:0.000%)
Cubeless Equities +0.5000 +1.0000
Cubeful Equities
No double:+0.5000 (-0.5000)
Double/Take:+1.0000
Double/Pass:+1.0000
Best Cube action: Double / Take

eXtreme Gammon Version: 2.19.206.pre-release

Below we have a position with low C.E. since cubing only adds a small amount to our equity.




White is Player 2

score: 0
pip: 2
Unlimited Game
Jacoby Beaver
pip: 7
score: 0

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

Analyzed in XG Roller++ No double Double/Take
Player Winning Chances: 52.778% (G:0.000% B:0.000%) 52.778% (G:0.000% B:0.000%)
Opponent Winning Chances: 47.222% (G:0.000% B:0.000%) 47.222% (G:0.000% B:0.000%)
Cubeless Equities +0.0556 +0.1111
Cubeful Equities
No double:+0.0556 (-0.0556)
Double/Take:+0.1111
Double/Pass:+1.0000 (+0.8889)
Best Cube action: Double / Take

eXtreme Gammon Version: 2.19.206.pre-release

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