Among other things, Wilson Reis is known for his exceptionally deep half guard game. One of the classic jiu jitsu matches involves his deep half guard versus the incredible capoeira-influenced balance of Cobrinha, Rubens Charles. The first video is Reis MMA championship fight, and the second is an interview he gave.
Unfortunately, I can't find a copy of that Reis v. Charles matchup online - it may have been pulled down.
Reis V. Cullum
An Interview with Wilson Reis.
