The video below is the final from the ADCC Grappling World Championship in 2011. Two titans of the Grappling World faced off in the <77kg division. They are both renowned for their attacking style and innovation in both Gi and NoGi Jiu-Jitsu.
They both have a similar lineage receiving their black belts while with the BJJ powerhouse Alliance Jiu-Jitsu.
What separates the good from the great in Brazilian Jiu-Jitsu competition is often Clinical Finishing, where even the smallest opening can be capitalized upon.