Standards

Ability tags, rulesets, and the safety floor.

Adapted from InGrappling, Standards. System Games did not invent this curriculum.

The closest thing the sport currently has to an institutional standards body. Progression frameworks. Competition ruleset analysis. Coach and referee standards. Belt-system alternatives.

Ability-based progression that does not rely on belt systems. How to measure and communicate skill development honestly.

The site's evolving position on best practices, ethics, safety, and competitive standards. Versioned. Updated as the sport develops.

ADCC, submission-only, IBJJF No-Gi, and points formats compared. What the rules incentivise and what they don't.

What consistent, competent refereeing looks like and why it matters for the sport's development.

What a meaningful coach certification framework for no-gi grappling could look like.

What a mature, well-run no-gi school looks like across culture, safety, curriculum, and community.

Coach Certification ConceptsWhat a meaningful no-gi grappling coach certification framework could look like — and why the current absence of one matters.Competition Ruleset AnalysisADCC, submission-only, and IBJJF No-Gi formats compared — what each ruleset incentivises, what it discourages, and what it means for competitive…Competition Ruleset — CBI (Combat Jiu-Jitsu Invitational)Combat Jiu-Jitsu adds open palm strikes to a submission-only no-gi format.Competition Ruleset — CJI (Craig Jones Invitational)The Craig Jones Invitational is a submission-only no-gi format with overtime.Competition Ruleset — EBI (Eddie Bravo Invitational)The Eddie Bravo Invitational is a submission-only format with a positional-start overtime mechanism.Competition Ruleset — MetamorisThe Metamoris promotion ran from 2012 through 2016 as the first major submission-only no-gi event with high-production-value broadcast presentation.Competition Ruleset — WNO (Who's Number One)Who's Number One is FloGrappling's promotional submission-grappling format. The ruleset, the broadcast model, and how it differs from ADCC and EBI.How Concepts WorkWhat the concepts layer is, how it differs from techniques and invariants, and how to use it at different stages of grappling development.The Living Standards DocumentInGrappling's evolving institutional position on best practices in no-gi submission grappling — safety, ethics, progression, competition, and coaching…Progression FrameworksAbility-based progression that does not rely on belt systems — how to measure and communicate skill development honestly.Referee StandardsWhat consistent, competent refereeing looks like in no-gi competition — and why it matters for the sport's development.School Maturity StandardsWhat a mature, well-run no-gi school looks like — across culture, safety, curriculum, and community.