Yep. I think it's avoided by most modern rules writers because it looks intimidating and technical to many people. Among modern non-wargames, the authoritative

Yep. I think it's avoided by most modern rules writers because it looks intimidating and technical to many people. Among modern non-wargames, the authoritative rules for Root (Law of Root) do have this feature: http://root.livingrules.io/ http://root.livingrules.io/