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Variant

Posted By: Nack Ballard
Date: Wednesday, 28 October 2015, at 2:05 p.m.

In Response To: Cube from the chou (Phil Simborg)





White is Player 2

score: 0
pip: 171
Unlimited Game
Beaver
pip: 136
score: 0

Blue is Player 1
XGID=baBBBBB----A--abbbbcBA--A-:0:0:1:00:0:0:2:0:10

Original Position (Big Beaver)


Analyzed in XG Roller++ No double Double/Take
  Player Winning Chances: 47.51% (G:29.06% B:2.93%) 47.49% (G:29.01% B:2.96%)
  Opponent Winning Chances: 52.49% (G:10.75% B:0.27%) 52.51% (G:10.75% B:0.27%)
  Cubeless Equities +0.160 +0.319
Cubeful Equities
No double:+0.194
Double/Beaver:-0.182 (-0.375)
Double/Pass:+1.000 (+0.806)
 
Best Cube action: No double / Beaver
Percentage of wrong pass needed to make the double decision right: 24.1%

These are XGR++ evaluations, without Jacoby (to allow the full range of cube options).

Above is Phil's original position.

Below is a variant. Can you spot the subtle difference?

Nack





White is Player 2

score: 0
pip: 172
Unlimited Game
Beaver
pip: 136
score: 0

Blue is Player 1
XGID=baBBBBB----A--babbbcBA--A-:0:0:1:00:0:0:2:0:10

Variant (Too Good to Double)


Analyzed in XG Roller++ No double Double/Take
  Player Winning Chances: 68.54% (G:50.55% B:7.08%) 69.49% (G:51.53% B:7.18%)
  Opponent Winning Chances: 31.46% (G:4.06% B:0.12%) 30.51% (G:4.14% B:0.12%)
  Cubeless Equities +0.905 +1.869
Cubeful Equities
No double:+1.096
Double/Take:+1.646 (+0.551)
Double/Pass:+1.000 (-0.096)
 
Best Cube action: Too good to double / Pass
Percentage of wrong take needed to make the double decision right: 14.8%

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