RyaNNN.. showed good admin capabilities in dd2 server, and hence I'm sure he will be up to par administrating the 1v1 server. The only thing I'm afraid of is that becoming a 1v1 admin, will result in you being less active on dd2 server; However, if you feel that it won't affect your activity, then it's a
support from me.
**I don't know if I have the right to support this or not since I'm not a cs:go player

Good Luck.