Re: The crux of two ranks having any equality
In the grand scheme of things, rank is almost always superfluous; it generally doesn't mean much, in my opinion, until we look at what the criteria are for the group issuing it...so I think it applies more in the context of the dojo/affiliation than across different dojos/affiliations. My opinion would be simply to adjust your personal metric to account for the difference and then, like Marc said, organize/promote broader experience.
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