Kron Gracie, the son of Rickson Gracie talks about the difference between the styles of Jiu-Jitsu of his grandfather, Helio Gracie and his father Rickson Gracie.
For Kron, Helio Gracie should be credited for developing the concepts of the guard and of leverage in Jiu-Jitsu.
About Rickson, Kron stated:
My dad put on all the connection, all the weight distribution. That’s what my dad invented. That’s the next level. Everybody who learned from my grandfather, learned the leverage and then they put in the strength and that’s the Jiu-Jitsu that you see today.
….
My dad is a completely different martial artist. Hopefully if I’m good enough, I can add some stuff too.