update: https://forums.online-go.com/t/weak-score-estimator-and-japanese-rules/41041/70
I don’t think initial estimate should be removed. It should be replaced with auto-paint that has clear simple geometric logic instead of Go logic. That way it would be faster to repaint.
for example, I just did this algorithm in less than 5 minutes:
cross fuseki
up side of all painted points increased:
right side of all painted points increased:
bottom side of all painted points increased:
left side of all painted points increased:
…
later position:
