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“A thousand days of training to develop, ten thousand days of training to polish.”— Miyamoto Musashi

“A thousand days of training to develop, ten thousand days of training to polish.”— Miyamoto Musashi

From 10th Planet Decatur

June 19, 2026

“A thousand days of training to develop, ten thousand days of training to polish.”

— Miyamoto Musashi

Watching Andy James make the impossible look effortless.

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It's a mess, I know.

My goal is to build the most comprehensive BJJ encyclopedia anywhere — but good, accurate data is genuinely hard to come by. Records, gyms, belts and nationalities are pieced together from public and community sources, so some of it is incomplete, outdated, or flat-out wrong.

That's where you come in. If you spot something off, tell me and I'll fix it — every correction makes this better for everyone. This website wouldn't be possible without the community.