I request this too,I hope someone can help^^
1# Use these existing cvars :
bps_announce_on_chat 1/0 // Turn on/off the announcements in the chat when you win/lose points
bps_skillpoints_on_nick 1/0 // Turn on/off SkillPoints in nickname ex: (nick <1337>)
2# I also requested the prefix
HERE and i'm stil hoping someone will help
3# In the SMA you can edit the number of ranks,thier names and the points needed to get them,you can even edit the commands,I changed mine to /rank /top15 /skill,PM me if you need help