Re: [gnugo-devel] problem with score feature of 3.2

[Gunnar Farnebäck]

Dan wrote:
> The first two positions involve sekis. I looked at the
> third. At the end of the game, the problem is that the
> D2 stone is not considered ``captured territory''
> because the status of its neighbor the A8 dragon is not
> ALIVE. The position looks like this:
> 
>    A B C D E F G H J
>  9 . . . . X . O O X 9
>  8 O O O O X X X O . 8
>  7 X O X O O X X X X 7
>  6 X X X X O O O X O 6
>  5 . . X . X X O O . 5
>  4 X . X X X O . . . 4
>  3 X X O O O . O . . 3
>  2 O X O X . . . . . 2
>  1 O O O . . . . . . 1
>    A B C D E F G H J
> 
> The A8 dragon has:
> 
> crude_status            critical
> owl_status              unchecked
> status                  unknown
> safety                  alive
> weakness                0.00

I see no good reason for the status to be UNKNOWN in the first place.
Although the owl code isn't run that's because we are already so
certain about life that there's no need for it. Actually I'm doubtful
we should use UNKNOWN status at all.

/Gunnar