Checkmat 4421 BJJ

Based in Blackfen, Sidcup, Checkmat 4421 BJJ is a Brazilian Jiu-Jitsu academy built on a partnership between head coaches Matt Dignum and Gabriel Ribeiro. The name “4421” reflects the British and Brazilian roots of its founders—‘44’ for the UK and ‘21’ for Rio de Janeiro—mirroring the blend of styles and perspectives that shape the club’s approach. Their shared philosophy is grounded in unity and the belief that a diverse, international outlook strengthens both the technical and communal aspects of BJJ. The coaching team at Checkmat 4421 BJJ brings years of competitive and teaching experience to the mats. Both Matt and Gabriel hold black belts and are committed to providing structured, high-quality training for everyone from complete beginners to active competitors. The programme includes adult and kids’ Brazilian Jiu-Jitsu, with both gi and no-gi classes available for adults, and multiple kids’ sessions catering to different age groups and abilities. All classes are taught in a large, fully matted facility at Relentless Martial Arts on Hawthorn Terrace, designed to support focused learning and safe sparring. Training at Checkmat 4421 BJJ is open to visitors and drop-ins, reflecting the club’s inclusive ethos. The academy’s timetable covers the needs of the local Sidcup and South East London community, offering sessions throughout the week for adults and children. Whether training for fitness, self-defence, or competition, members benefit from guidance rooted in international experience and a genuine commitment to developing the next generation of BJJ practitioners.

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