Checkmat is more than just a world-class Brazilian Jiu-Jitsu (BJJ) academy—it’s an international family of passionate practitioners, competitors, and coaches. Founded in 2008 by Master Leo Vieira, Checkmat has grown into a powerhouse, with affiliates in 34 U.S. cities and 16 countries worldwide. Our headquarters in Signal Hill-Long Beach, California, is home to some of the top athletes in the sport and regularly hosts The Mundials, the BJJ World Championships.
Elite Training, Proven Results
At Checkmat Headquarters Brazilian Jiu-Jitsu, you'll experience hands-on, world-class instruction that has been tested on the mats and proven in competition. Our men, women, and youth athletes have conquered some of the most prestigious tournaments in the world, including:
IBJJF World Championships
Brazilian National Championships
ADCC Submission Wrestling World Championships
BJJ for Everyone: Kids, Adults & Competitors
Our academy isn’t just about training champions—it’s about building better individuals. We believe in positive reinforcement, helping students gain confidence, develop discipline, and grow into the best versions of themselves.
No matter your age, skill level, or background, Checkmat has a place for you. It’s never too late to start.
For Kids– Help your child succeed in school, develop focus, learn respect, and build leadership skills—all while having fun.
For Adults– Whether you're looking to get in shape, learn self-defense, or compete at a high level, our classes provide expert instruction, a great workout, and an uplifting community.
For Competitors– Train with top-tier athletes and world-class coaches in a championship-proven system.
Led by a Legend: Master Leo Vieira
Checkmat’s success is guided by Master Leo Vieira, a 5th-degree BJJ black belt and Judo black belt. Known as "Leozinho" (Little Lion), he is a two-time World Champion and two-time ADCC winner, respected for both his technical mastery and coaching innovation.
Master Leo’s philosophy goes beyond just winning medals—he sees BJJ as an art, a science, and a tool for personal transformation. Whether he’s coaching a world champion, a police officer, a nurse, or a complete beginner, he brings the same passion, kindness, and dedication to every student.
At Checkmat, we believe in building a stronger, healthier, and more positive community—together.
Are you ready to start your journey?
Come experience the Checkmat difference for yourself.
Sign up today and take your first step toward confidence, fitness, and mastery on the mat.
Checkmat is more than just a world-class Brazilian Jiu-Jitsu (BJJ) academy—it’s an international family of passionate practitioners, competitors, and coaches. Founded in 2008 by Master Leo Vieira, Checkmat has grown into a powerhouse, with affiliates in 34 U.S. cities and 16 countries worldwide. Our headquarters in Signal Hill-Long Beach, California, is home to some of the top athletes in the sport and regularly hosts The Mundials, the BJJ World Championships.
Elite Training, Proven Results
At Checkmat Headquarters Brazilian Jiu-Jitsu, you'll experience hands-on, world-class instruction that has been tested on the mats and proven in competition. Our men, women, and youth athletes have conquered some of the most prestigious tournaments in the world, including:
IBJJF World Championships
Brazilian National Championships
ADCC Submission Wrestling World Championships
BJJ for Everyone: Kids, Adults & Competitors
Our academy isn’t just about training champions—it’s about building better individuals. We believe in positive reinforcement, helping students gain confidence, develop discipline, and grow into the best versions of themselves.
No matter your age, skill level, or background, Checkmat has a place for you. It’s never too late to start.
For Kids– Help your child succeed in school, develop focus, learn respect, and build leadership skills—all while having fun.
For Adults– Whether you're looking to get in shape, learn self-defense, or compete at a high level, our classes provide expert instruction, a great workout, and an uplifting community.
For Competitors– Train with top-tier athletes and world-class coaches in a championship-proven system.
Led by a Legend: Master Leo Vieira
Checkmat’s success is guided by Master Leo Vieira, a 5th-degree BJJ black belt and Judo black belt. Known as "Leozinho" (Little Lion), he is a two-time World Champion and two-time ADCC winner, respected for both his technical mastery and coaching innovation.
Master Leo’s philosophy goes beyond just winning medals—he sees BJJ as an art, a science, and a tool for personal transformation. Whether he’s coaching a world champion, a police officer, a nurse, or a complete beginner, he brings the same passion, kindness, and dedication to every student.
At Checkmat, we believe in building a stronger, healthier, and more positive community—together.
Are you ready to start your journey?
Come experience the Checkmat difference for yourself.
Sign up today and take your first step toward confidence, fitness, and mastery on the mat.
Schedule Your FREE Class.
Checkmat Headquartes Signal Hill has everything…except you! Join our community today and begin your martial arts journey!
Welcome to Checkmat Headquarters, where we offer top-quality martial arts classes in a fun, friendly environment. Our high-level athletes train together to build each other up and maintain a healthy competitive spirit.
Brazilian Jiu-Jitsu
Kids Martial Arts
Copyright © 2025 · Checkmat Headquarters
Checkmat Headquarters Signal Hill has everything…except you! Join our community today and begin your martial arts journey!
Schedule Your FREE Class.
Welcome to Checkmat Headquarters, where we offer top-quality martial arts classes in a fun, friendly environment. Our high-level athletes train together to build each other up and maintain a healthy competitive spirit.
Brazilian Jiu-Jitsu
Kids Martial Arts
Copyright © 2025 · Checkmat Headquarters