@prefix ns1: <https://martial.is/entity/> .
@prefix ns2: <https://w3id.org/martialis/ontology#> .
@prefix schema: <https://schema.org/> .

ns1:01M11YJ1XMX79NAEPJ09NWKC1T a ns2:Source ;
    schema:datePublished "2025-06" ;
    schema:description "IBJJF's official belt/degree graduation rules: the 8-belt adult system (white, blue, purple, brown, black, red-and-black, red-and-white, red), degrees within each belt (4 for white-brown, 6 for black), and the 10th-degree exception reserved for the art's founders."@en ;
    schema:inLanguage "en" ;
    schema:keywords "secondary-source", "bjj" ;
    schema:name "General System of Graduation (IBJJF, June 2025 edition)" ;
    schema:publisher _:b3041 ;
    schema:url <https://ibjjf.com/graduation-system> ;
    ns2:earliestYear "2025"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:latestYear "2025"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:sourceType "webpage" .
_:b3041 schema:name "International Brazilian Jiu-Jitsu Federation (IBJJF)" .