Here are some facts on top groups today (see attachment):
Top groups are closed.
They have >10 active members including >1 top soloists or >1 top evolvers.
They are >2 years old.
Top sol = rank of top soloist of the group
Top evo = rank of the top evolver of the group
N° solo = number of soloists in top 10
N° evo = number evolvers in top 10
N° members = number of members with > 0 points (active members)
Type = Open, Closed or Moderated group