Vlad Koulikov is a world renowned sambist having placed 3x in the USA open and represented USA in Combat Sambo worlds in 2008. In addition to this he has competed and won several NAGA and Grapplers Quest tournaments.
Recently he participated in a r/sambo reddit AMA which revealed some interesting tidbits in regards to the fusion of the two sports. Below are the top 5 questions and answers from Koulikov.
When addressing difference between bjj and sambo:
Another difference addressed is in approach to armbars:
Koulikov was recently promoted to bjj black belt!
Another hot topic in bjj is a question of the rulesets. Koulikov says both sambo and bjj have a lot of restrictions:
Which isn’t to say he’s a fan of ADCC rules: