It looks like:
Solo Beginner 1-5, Normal 1-5 Overlap Faction Normal 1-10
Solo Normal 6-10, Prestige 1-10 Overlap Faction Prestige 1-10
Solo Prestige 11-15, Master 1-15 Overlap Faction Master 1-20
Solo Master 16-20 on it's own?
Replaced last events Stealth Targets with Pinnacle targets of same name and stats, new rewards