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Re: [Bug-gnubg] A new variance reduction technique

From: Michael Petch
Subject: Re: [Bug-gnubg] A new variance reduction technique
Date: Mon, 30 Mar 2009 08:30:24 -0600
User-agent: Microsoft-Entourage/

On 30/03/09 8:14 AM, "Massimiliano Maini" <address@hidden> wrote:

2. I'm not sure gnubg uses 2ply for luck evaluation. If it uses 0 ply (as I remember,
but I could be wrong, mabe it is 0ply just for match analysis luck evals), introducing
your trick would cost something in terms of speed (actually, quite a lot I would say,
knowing that each additional ply cost more or less a factor 21). If somebody on gnubg
mailing list can confirm that ....

By default luck is analyzed at 0 ply. You can set the plies manually with:
set analysis luckanalysis plies <plies>

And yes, setting the ply level higher even for something like luck slows down analysis considerably.
0-ply is used as well (Not changeable that I am aware of) when using cheat mode to determine the best to worst possible rolls.

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