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Interpreting Snowie rollouts

Posted By: Matt Cohn-Geier
Date: Thursday, 20 December 2007, at 11:29 a.m.

So as a loyal GNU user, I'm having trouble understanding the Snowie rollout results, and trying to figure this out, mostly so I can configure Snowie to use my preferred settings for rollouts.

For example, with Stick's rollout of an opening 21 at http://www.bgonline.org/firstmove/12.html, he gets:

#PlyMoveEquity
1R13/11 6/50.006
0.7% 14.3% 50.4% 49.6% 14.6% 0.9%
Live cube rollout: 0.007
95% confidence interval:
- money cubeless eq.: 0.004 ±0.002,
- live cube: 0.007 ±0.005.
Rollout settings:
Full rollout,
46656 games (equiv. 1283175 games),
played 3-ply (precise), cube 3-ply,
settlement 0.550 at 16 pts,
random seed, with race database.

So, my questions, from the top:

1) What is the 0.006 equity referring to? It's not the cubeful (live cube equity), so is this the "cube-adjusted" cubeless equity? Does it have a standard deviation? Would I be better off looking at the live cube equity?

2) I assume that the "±0.005" combined with the 95% confidence interval means that the standard deviation is about half of 0.005, or 0.0025. Am I correct?

3) Is there any way to get Snowie to export to 4 decimal places or more?

4) What exactly is "precise"? I believe this has to do with move filtering and search space, but I'm not sure what it means exactly.

5) If you use a random seed, is there any way to see what seed you used?

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