I'm impressed Indy - you've got it all worked out!
What do folks think of the relative merits of keeping the rankings annual versus moving to a rolling 12 months?
I'll let you know once I find out how much in advance of zero I'd be starting from
Seriously, I'd keep the year rankings - to have a 2026, 2027 etc champion. But it could be a nice addition to have a rolling 12 months ranking if folk would like that.