Also known as windmill.
19x19 diagram
Both players follow the proverb about cross-cuts.
Pinwheel is also used in pinwheel ko. --RobertJasiek
Aliases (info)Windmill
Referenced byPressWhyDontWeOpenAtTe...CuttingTheOgeimaTengenOpeningsStrangeProOpening3CappingPlayContac...DieterVerhofstadt...posting:943