Wikipedia
Checkmat is a leading international Brazilian Jiu-Jitsu association and team, headquartered in São Paulo, Brazil. It was founded in 2008 by Leo Vieira who leads Checkmat with his brothers Ricardo Vieira and Leandro Vieira. Checkmat currently has affiliate academies around the world including Brazil, Canada, Madagasikara ,Cyprus, Sweden,Ireland, England, Malaysia, United States, Paraguay, Spain, France, Denmark, Iceland, Finland, Greece, Germany, Japan, Korea, Singapore and Australia.
The name "Checkmat" is derived from the chess term "Checkmate" and the word "mat", being the surface on which Brazilian Jiu-Jitsu is usually practiced. The Vieira brothers saw similarities in the strategic and tactical nature of both chess and Brazilian Jiu-Jitsu.