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Re: [gnugo-devel] influence and territory values

From: Gunnar Farnebäck
Subject: Re: [gnugo-devel] influence and territory values
Date: Sat, 13 May 2006 22:33:50 +0200
User-agent: EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/21.3 (sparc-sun-solaris2.9) MULE/5.0 (SAKAKI)

David wrote:
> The opponent's first move was F6, a 4-4 point on a 9x9 board.
> In looking at the SlugGo global lookahead options, I see the expected  
> behavior in 2 sequences that are rotations of each other, and the  
> same influence and territory values are calculated. However two other  
> options result in exactly the same board, but give different  
> influence and territory values:
> Following from F6, option I is us G4, them C6, us D3, and option L is  
> us D3, them C6, us G4.
> For option I: InfW=-7.00, TerrW=-3.00, InfB=-29.00, TerrB=-3.00
> For option L: InfW=-11.00, TerrW=-3.00, InfB=-31.00, TerrB=-3.00
> Why would the same board evaluate differently?

No idea. How are InfW and InfB computed?


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