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Re: [Bug-gnubg] I'm a bit confused

From: Jim Segrave
Subject: Re: [Bug-gnubg] I'm a bit confused
Date: Wed, 30 Jul 2003 12:57:03 +0200
User-agent: Mutt/

On Wed 30 Jul 2003 (09:30 +0000), Joern Thyssen wrote:
> When a "double, pass" is encountered the rollout is truncated.
> For a trial ending in "game over" the cubeful equity is equal to the
> cubeless one (e.g., +1, -1, +2, -2, etc), so we add, say, +1 to the
> cubeful equity. It's the same as normal play: even though the match or
> sesion is played with a cube, one player is awarded "cubeless" points
> when the match or game is over -- the value of holding the cube is nil
> when the game is over.
> Of course, for a rollout with variance reduction the cubeful result of,
> e.g., +1 will be corrected with the total luck for that trial.

OK - now I see why you said you'd considered removing those stats. But
my next question would be - should the stats for a cubeful rollout
actually reflect the wins/lose/gammons etc. including cube play?

> Continuing the rollout has actually suggested by Michael Zehr a long
> time ago as extra variance reduction. I think the idea is to branch at
> every "double, pass" or "double, take" decision.

I just googled and as I read it, he's suggesting branching at
double/takes, not continuing after double/pass.


Jim Segrave           address@hidden

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