Hello. I got to 2nd Dan black belt was I was a kid (17 years old when I earned it I believe) and now I am 42. I stopped practicing between the ages of about 17 or 18 and now, so I am waaay out of practice. This was in ITF style. My son and wanted to start doing Tae Kwon Do and we joined a Kukkiwon style. I talked to the Master Instructor and chose to start over from White belt. Not only because I saw a lot of differences between the 2, especially sparring and poomse, but also because I felt I was not worthy of a black belt after being stagnant for 20+ years. But primarily because I thought it would be more fun to advance alongside my son. We are both Green belts now and he wants to start competing in tournaments under WT rules. I would like to as well. My question, and I'm looking for opinions, am I sandbagging if I enter a a green belt? In classes I might be a tad sharper then the other green belts, a lot of my past training is coming back to me, but I am in no way in Black belt form right now. Do I enter as a black belt regardless, and just take the losses and have fun with it, or am I justified in entering as a Green belt?