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No Jacoby, No Beavers — XGR++ Evals

Posted By: Taper_Mike
Date: Friday, 27 December 2013, at 2:40 p.m.

In Response To: got it wrong, like I always do (Bill Calton)

It is easy to overlook the advanced state of Blue’s spares. The position on the right smooths them out, and might serve as a reference position. I was surprised to learn that it is the double that is in question, not the take.

Mike





White is Player 1

score: 0
pip: 70
Unlimited Game
pip: 96
score: 0

Blue is Player 2
XGID=aBDBBBB----------abbcdb-A-:0:0:-1:00:0:0:0:0:10
Blue on roll, cube action?

Analyzed in XG Roller++ No double Double/Take
  Player Winning Chances: 66.875% (G:8.026% B:0.273%) 66.990% (G:8.240% B:0.257%)
  Opponent Winning Chances: 33.125% (G:8.363% B:0.077%) 33.010% (G:8.613% B:0.074%)
  Cubeless Equities +0.3361 +0.6758
Cubeful Equities
No double:+0.6157
Double/Take:+0.5559 (-0.0598)
Double/Pass:+1.0000 (+0.3843)
 
Best Cube action: No double / Take
Percentage of wrong pass needed to make the double decision right: 11.9%

eXtreme Gammon Version: 2.10
White is Player 1

score: 0
pip: 70
Unlimited Game
pip: 98
score: 0

Blue is Player 2
XGID=aBDBBBB----------abcccb-A-:0:0:-1:00:0:0:0:0:10
Blue on roll, cube action?

Analyzed in XG Roller++ No double Double/Take
  Player Winning Chances: 69.544% (G:8.360% B:0.273%) 69.564% (G:8.878% B:0.250%)
  Opponent Winning Chances: 30.456% (G:8.256% B:0.077%) 30.436% (G:8.593% B:0.076%)
  Cubeless Equities +0.3939 +0.7918
Cubeful Equities
No double:+0.6756 (-0.0137)
Double/Take:+0.6893
Double/Pass:+1.0000 (+0.3107)
 
Best Cube action: Double / Take

eXtreme Gammon Version: 2.10

 

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