IRI:
https://w3id.org/martialis/vocab/rank-grade/bjj
dcterms:title- BJJ Belt Grade Vocabulary
dcterms:bibliographicCitation- International Brazilian Jiu-Jitsu Federation. General System of Graduation. June 2025.
dcterms:creator- https://orcid.org/0009-0000-9488-3542
dcterms:license- https://creativecommons.org/publicdomain/zero/1.0/
dcterms:publisher- https://orcid.org/0009-0000-9488-3542
vann:preferredNamespacePrefix- rankgrade
owl:versionInfo- 1.0.0
dcterms:rightsHolder- https://orcid.org/0009-0000-9488-3542
vann:preferredNamespaceUri- https://w3id.org/martialis/vocab/rank-grade/
skos:hasTopConcept- White beltBlue beltPurple beltBrown beltBlack belt Red-and-black beltRed-and-white beltRed belt
IRI:
bjj_blackhttps://w3id.org/martialis/vocab/rank-grade/bjj_black
skos:prefLabel- Black belt
skos:definition- The senior practitioner belt.
skos:scopeNote- Divides into six numbered degrees before the red-and-black/red-and-white/red belts continue the count (IBJJF General System of Graduation, Art. 1.2, 4.1.2).
skos:notation- bjj_black
gradeOrdinal- 5
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_bluehttps://w3id.org/martialis/vocab/rank-grade/bjj_blue
skos:prefLabel- Blue belt
skos:definition- The second Brazilian Jiu-Jitsu belt, after white.
skos:scopeNote- IBJJF General System of Graduation, Art. 1.2.
skos:notation- bjj_blue
gradeOrdinal- 2
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_brownhttps://w3id.org/martialis/vocab/rank-grade/bjj_brown
skos:prefLabel- Brown belt
skos:definition- The fourth Brazilian Jiu-Jitsu belt, the last before black.
skos:scopeNote- IBJJF General System of Graduation, Art. 1.2.
skos:notation- bjj_brown
gradeOrdinal- 4
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_purplehttps://w3id.org/martialis/vocab/rank-grade/bjj_purple
skos:prefLabel- Purple belt
skos:definition- The third Brazilian Jiu-Jitsu belt, after blue.
skos:scopeNote- IBJJF General System of Graduation, Art. 1.2.
skos:notation- bjj_purple
gradeOrdinal- 3
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_redhttps://w3id.org/martialis/vocab/rank-grade/bjj_red
skos:prefLabel- Red belt
skos:definition- The senior-most Brazilian Jiu-Jitsu belt, from the 9th degree.
skos:scopeNote- The 10th degree was given only to the art's founders (IBJJF General System of Graduation, Art. 1.2, 4.1.5).
skos:notation- bjj_red
gradeOrdinal- 8
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_red_blackhttps://w3id.org/martialis/vocab/rank-grade/bjj_red_black
skos:prefLabel- Red-and-black belt
skos:altLabel- Coral belt
skos:definition- The 7th-degree black-belt tier, marked by its own belt colour rather than a stripe count.
skos:scopeNote- Commonly called 'coral'. Sourced degree numbers vary in practice; this concept names the colour pairing as the source states it, not a fixed degree (IBJJF General System of Graduation, Art. 1.2, 4.1.5).
skos:notation- bjj_red_black
gradeOrdinal- 6
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_red_whitehttps://w3id.org/martialis/vocab/rank-grade/bjj_red_white
skos:prefLabel- Red-and-white belt
skos:altLabel- Coral belt
skos:definition- The 8th-degree black-belt tier, marked by its own belt colour rather than a stripe count.
skos:scopeNote- Commonly called 'coral'. Sourced degree numbers vary in practice; this concept names the colour pairing as the source states it, not a fixed degree (IBJJF General System of Graduation, Art. 1.2, 4.1.5).
skos:notation- bjj_red_white
gradeOrdinal- 7
skos:inScheme- BJJ Belt Grade Vocabulary
IRI:
bjj_whitehttps://w3id.org/martialis/vocab/rank-grade/bjj_white
skos:prefLabel- White belt
skos:definition- The entry-level Brazilian Jiu-Jitsu belt.
skos:scopeNote- IBJJF General System of Graduation, Art. 1.2.
skos:notation- bjj_white
gradeOrdinal- 1
skos:inScheme- BJJ Belt Grade Vocabulary
dcterms:description