Academy Jiu-Jitsu & Kickboxing | Checkmat Yorba Linda

Academy Jiu-Jitsu & Kickboxing (Checkmat Yorba Linda) is a Brazilian Jiu-Jitsu and striking academy located at 20655 Yorba Linda Blvd in Yorba Linda, California. Originally established in Downey in 2018 by co-founders Head Instructor Hector Beltran—a 2nd-degree black belt under Checkmat founder Leonardo "Leo" Vieira—and Program Director Eduardo Lomeli, who earned his black belt from Leonardo Vieira in 2024, the academy opened its Yorba Linda facility in 2023. The coaching roster also features Professor Briana Medina, a Checkmat brown belt under Lucas Leite, and striking coach Zhargal Ochirov, a 2000 Muay Thai World Champion and former Chairman of the Muay Thai Federation of the Republic of Buryatia from 2011 to 2022. Running Monday through Saturday, youth programs include Kinder Jiu-Jitsu (ages 4–5, No-Gi on Tuesdays and Thursdays), Kids BJJ (ages 5–9, Gi and No-Gi), Youth BJJ (ages 9–13, Gi and No-Gi), and Youth Kickboxing (ages 9–13), while teens and adults ages 14 and up train in Adult Gi and No-Gi Jiu-Jitsu and Adult Kickboxing & Muay Thai.