[Computer-go] Question about Zone Mode in MoGo?

[Go Fast]

Watching StoneGrid aimlessly playing on the large board, I am thinking of
implementing the Zone mode mentioned in the MoGo's original paper on 19x19
board. I am thinking of applying the zone mode in the tree part only, i.e.
giving higher weight to the zone where the last move of the node belongs to
when evaluating the final position of each simulation.

Has anyone tried the zone mode other than the MoGo team? Is it successful?
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