Moving screen?

[Dan_ref]

Originally posted by Mark Dexter
Yeah - I couldn't think of the precise wording, but I think this was fine.

I think I'm havng trouble seeng how standing in someone's
path could be an illegal position? It's a nit, but it's
not the position that is illegal, it's whatever contact
results from having not attained legal guarding position.
But you've already made this point..