. . . . "2008"^^ . . . . . . "Ricardo Vieira"@en . . "6447"^^ . . . "200"^^ . . "Checkmat Brazilian Jiu Jitsu"@en . . . . . "Checkmat"@en . . . . . . . . . . "Checkmat is an international Brazilian Jiu-Jitsu association and team, headquartered in Long Beach, California, USA. 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 in Brazil, United Kingdom, Canada, Poland, Madagascar, Cyprus, Sweden, Ireland, England, Malaysia, the United States, Paraguay, Spain, France, Denmark, The Netherlands, Iceland, Finland, Greece, Germany, China, Japan, Korea, Singapore, Tunisia, the Philippines, Australia, Argentina, Kazakhstan and Ukraine. 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 chess and Brazilian Jiu-Jitsu."@en . . . . . . . . "1099973094"^^ . . . . . . . . . . "29469456"^^ . . "Leandro Vieira"@en . . "Checkmat is an international Brazilian Jiu-Jitsu association and team, headquartered in Long Beach, California, USA. 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 in Brazil, United Kingdom, Canada, Poland, Madagascar, Cyprus, Sweden, Ireland, England, Malaysia, the United States, Paraguay, Spain, France, Denmark, The Netherlands, Iceland, Finland, Greece, Germany, China, Japan, Korea, Singapore, Tunisia, the Philippines, Australia, Argentina, Kazakhstan and Ukraine."@en . . "Checkmat BJJ"@en . . "Leo Vieira"@en . . . . . . . "Brazil"@en . . .