Hi,
I would like to confirm your experiments: I have noticed already that
adding shapes of radius > 4 improves prediction a lot, but does not
improve playing strength (from progressive widening).
Also, even worse than that, for a given set of features, the pattern
urgencies computed by MM are not optimal. That is to say, it is possible
to manually tweak urgencies and get a stronger program.
So, as Gian-Carlo puts it, optimizing a Go program is still black magic.
There is no way to avoid playing games to measure playing strength.
Rémi
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