Re: [Bug-gnubg] standard error in cubefull 2ply rollouts

[Jim Segrave]

On Sat 09 Jun 2007 (08:35 +0200), Achim Mueller wrote:
> Hi all,
> 
> can someone please explain me the following numbers:
> 
> 
> posID: a9skAAzHeTsAAA matchID: MBkgAlAACAAA
> 
> Cube analysis
> Rollout cubeless equity  +0.566 (Money:  +0.566)
> 
> Cubeful equities:
> 1. No double            +1.010
> 2. Double, take         +1.079  ( +0.070)
> 3. Double, pass         +1.000  ( -0.010)
> Proper cube action: Too good to double, pass (12.3%)
> Rollout details:
> Centered 1-cube:
>   0.779 0.016 0.000 - 0.221 0.008 0.000 CL  +0.566 CF  +1.010
>  [0.019 0.001 0.000 - 0.019 0.000 0.000 CL   0.014 CF   0.442]
> Player ace owns 2-cube:
>   0.783 0.015 0.000 - 0.217 0.007 0.000 CL  +1.198 CF  +1.079
>  [0.001 0.001 0.000 - 0.001 0.000 0.000 CL   0.004 CF   0.005]
> Full cubeful rollout with var.redn.
> 1296 games, Mersenne Twister dice gen. with seed -715772175 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]
> 
> Why is the standard error for Centered 1-cube (cubefull) at 0.442?

Can you send me the .sgf file for this rollout. It contains the
interim values from the rollout.

-- 
Jim Segrave           address@hidden