So I was fighting a brown belt in Japanese jujutsu tonight. I'm just a lowly one-stripe white belt in BJJ, yet I schoolled him! The brown belt submitted to me three times under ten minutes each time starting from standing. Complete pwnage. Now I am twenty pounds lighter and the dude was a beast, so this shouldn't be! Furthermore, he didn't even know how to do an armbar from guard. (Although, he never even got guard against me.) Why wasn't I destroyed? I don't think he was going easy. Is Japensese Jujutsu that bad compared with Brazilian Jiu-Jitsu?