Checkmat is a Brazilian jiu-jitsu academy and team started in 2008 by Leo Vieira, who leads Checkmat with his brothers Ricardo Vieira and Leandro Vieira...

eldest of the Viera brothers (Ricardo and Leandro), who lead and fight for Checkmat. Leo Vieira began training Jiu-Jitsu under Romero 'Jacare' Cavalcanti at...

is a Brazilian jiu-jitsu instructor and competitor, and a co-founder of Checkmat. He is also the Brazilian jiu-jitsu head coach for the MMA team at American...

is one of the Viera brothers (Léo and Leandro), who lead and fight for Checkmat. Ricardo first stepped on a jiu-jitsu mat at the age of 5, joining the...

business degree. In March 2021, Baena started training Brazilian jiu-jitsu at Checkmat Northridge. At the time of his birth, under California law, which adopted...

founded by Fernando "Terere" Augusto. At the age of 16, he joined the CheckMat team, founded by the brothers Ricardo Vieira, Leo Vieira and Leandro Vieira...

having chubby cheeks when he was overweight. Almeida competes under the Checkmat team. Despite talking about transitioning to mixed martial arts since 2015...

Australia. Zenith BJJ was established in 2013 after Rodrigo Cavaca left the Checkmat team to start a new team alongside his friend Robert Drysdale. Both founders...

multi-time world champion from Brazil. She has trained at Gracie Barra and Checkmat International. Custodio won the 2021 World No Gi champion in the 65.5 kg...

Escola de Jiu-Jitsu WF Jackson Nagai CheckMat Murilo Amaral Alliance Middleweight -82 kg (181 lb) Jansen Gomes Checkmat Tainan Dalpra Art of Jiu Jitsu Rolando...