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Coach Daniel celebrates his birthday with a morning class shark tank!

Coach Daniel celebrates his birthday with a morning class shark tank!

From Checkmat DOJO Berlin

May 23, 2025

0:00 Finn
4:50 Tyler
10:04 Jona
14:16 Daniel
19:23 Diego
24:33 Jan
30:06 Kostas
35:27 Oskar
40:35 Antonio
46:04 Alex V

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Checkmat DOJO Berlin

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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gyms, belts and nationalities are pieced together from public and community sources, so some of it is incomplete, outdated, or flat-out wrong.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.