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XGR+: What to do as blue and why ?

Posted By: Daniel Murphy
Date: Friday, 14 December 2012, at 11:29 a.m.

In Response To: XGR+: What to do as blue and why ? (Timothy Chow)

Gnubg 2-ply booboos on this sequence: ND and 61: 13/6 ... fan ... cube action?

Blue on roll, cube decision?

White	107
Blue	140
Position ID: Tt42AEBsm6iAAw Match ID: UQkAAAAAAAAA

Cube decision
Rollout cubeless equity		+0.624
Cubeful equities:
1.	Double, pass	+1.000
2.	Double, take	+1.224	+0.224
3.	No double	+0.933	-0.067
Proper cube action:		Redouble, pass
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Player Blue owns 2-cube 0.753 0.174 0.005 - 0.247 0.060 0.002 +0.624 +0.933 Standard error 0.001 0.002 0.000 - 0.001 0.001 0.000 0.003 0.006 Player White owns 4-cube 0.788 0.169 0.005 - 0.212 0.055 0.002 +1.384 +1.224 Standard error 0.002 0.003 0.001 - 0.002 0.001 0.000 0.008 0.011
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 702928341 and quasi-random dice
Play: world class 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 8 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

Annotation

Cube analysis
2-ply cubeless equity +0.587
0.733 0.176 0.005 - 0.267 0.058 0.001
Cubeful equities:
1. Double, take +0.991
2. Double, pass +1.000 ( +0.009)
3. No double +0.878 ( -0.113)
Proper cube action: Redouble, take

Cube analysis
4-ply cubeless equity +0.606
0.742 0.178 0.005 - 0.258 0.059 0.002
Cubeful equities:
1. Double, pass +1.000
2. Double, take +1.036 ( +0.036)
3. No double +0.886 ( -0.114)
Proper cube action: Redouble, pass

Messages In This Thread

• What to do as blue and why ?
  Sebastiaan kuijs -- Thursday, 29 November 2012, at 12:45 p.m.
  • XGR+: What to do as blue and why ?
    Timothy Chow -- Thursday, 13 December 2012, at 6:58 p.m.
    • XGR+: What to do as blue and why ?
      Daniel Murphy -- Friday, 14 December 2012, at 11:29 a.m.