User blog comment:Chrono Nexus/The Chunin Exams/@comment-24401432-20130426184324/@comment-2089817-20130428090651

I'm pretty sure Chrono means for this event to be for characters that are presently Genin. This isn't some random event you can shove into the character's history, otherwise what was the purpose of these Chunin Exams in the first place.