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[Bug-gnubg] Replicating XG Roller setting in gnubg a question

From: Michael Depreli
Subject: [Bug-gnubg] Replicating XG Roller setting in gnubg a question
Date: Thu, 3 Sep 2009 19:42:25 +0000

I set up gnubg to mimic XG Roller settings

Truncated @6
first 2 moves 1-ply cube 0-ply checker
others 0-ply.

No Variance Reduction

XG Roller uses 3600 trials.

Instead of using number of trials I decided to roll them out until JSD reached 2.58 minimum trials 144.

If you do the same with VR ON, it takes MUCH less time by a huge factor to reach the same JSD.

I'm not a statistician but isn't JSD important if you only need to rank plays rather than need absolute equity?

Why not do it with VR ON ?

I'm sure I must have overlooked something obvious...


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