Robertie Position 126

GNU does not disagree with the checker play, but thinks that Black should have doubled before rolling.

Cube decision
Rollout cubeless equity +0.524 
Cubeful equities:
1.Double, take +0.898 
2.Double, pass +1.000 +0.102
3.No double +0.858 -0.040
Proper cube action:Double, take
Rollout details
 WinW gW bg LoseL gL bgCubelessCubeful
Centered 1-cube0.7270.1050.003-0.2730.0370.001 +0.524 +0.858
Standard error0.0010.0020.000-0.0010.0010.000 0.003 0.006
Player gnubg owns 2-cube0.7320.1090.003-0.2680.0360.001 +1.077 +0.898
Standard error0.0010.0020.000-0.0010.0010.000 0.006 0.008
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 842509159 and quasi-random dice
Play: supremo 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]