Yes but on ogs the is also a second bar at some point which I don’t understand how that works in a MacMahon tourney. And anyway I don’t think the ogs MacMahon system works quite like the regular one.
I would go so far to say that, given previous discussions on here that no one really knows exactly how ogs tournaments work in detail or why.
However I understand that the whole tournament system is on the to do list for a complete overhaul but of course there are always other more urgent things and it is clearly a major job so we need to be patient.
Meanwhile, I would suggest maybe if @Trevoke, you have particular questions ask away. There are also various threads on the forums: