**An exciting debate** This is something, that I, as an old white male, have nothing to say about. However, I am always forecasting the future, and I think that all 'female exclusions' are doomed. They will be flooded with testosterone males, who identify as female. That's just a fact, I have no opinion.
@johnefrancis Yes, classification by grip strength. I would be at the bottom, but that could be faked by my daughter who can open jars by just glaring at them....
@hasmis golf and sailing handicap systems are a good example...adaptive handicap based on weighted previous performance.
In sailing...mostly for different boats.
Allows wildly unequal competitors to compete. Exceed your own average performance by more than other competitors and you win.