Hi Robert,

By the way, if I search correctly, are you a 5d player in German?
That is really strong. :-)

Aja

On 2010-04-27 13:37, Aja wrote:
> My approach has already considered plus-minus 1
and differences of passes, but only globally rather than locally. I
wonder do you think it is OK?

For which purpose...?

If all local boundaries are fixed and life and death is settled locally in each region and ko does not play a role, then the local behaviour of each region considered together for all regions should equal the global behaviour. Otherwise the same cannot be said. So why would you want to consider things "only globally"?


. # O . O # . # O .
. # O O O # # # O .
. # O . O # . # O .


. O . O # . # .
# O O O # # # O
# O . O # . # O


. # O . O # . # O .
O # O O O # # # O #
O # O . O # . # O #


You might create problems for yourself... Globally terminal (for human players) under perfect play does not(!) imply locally terminal in general.

If your aim is to approach rather than to guarantee perfect play, you might ignore the global / local difference nevertheless. Maybe such a strategic cheating by simplification saves computational time. You should just be aware that your program might sometimes make strategic mistakes as a consequence.

--
robert jasiek
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