Jonathan Cheng 🇺🇸
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About
- Training since first belt29 year(s) and 2 month(s)
- Competition record1-1-02 matches
- Training logged42hr 0m
- LocationPasadena, California, United States of America
- AcademyRoger Machado Brazilian Jiu-jitsu Unclaimed
- AffiliationRCJ Machado
- Member sinceJanuary 20206 years on Beltchecker.com One of the first 10,000 members
Lineage
- Mitsuyo Maeda
- Carlos Gracie Sr.
- Rolls Gracie
- Carlos Gracie Jr.
- Roger Machado
- Jon Cheng
Gi or no-gi
Gi onlynow
100% Gi0% No-gi
- White75% gi
- Blue50% gi
- Purple75% gi
- Brown70% gi
- Black100% gi
Achievements
6 of 18 unlockedProfile manually reviewed & certificate issued
Current rank verified by promoting instructor
Name verified by credit card
Verifications received28 / 50
102550
Years trained29
5101520
Gold medals0 / 5
51025
Competition matches2 / 10
1050100
Forum posts14 / 500
5001,000
Wall
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FAThank you for the review and verification!
KAn absolute legend and well documented IBJJF competitor!
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Gallery
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Ryron Gracie, 5th Annual GU Black Belt Exchange
With 9th degree red belt Grandmaster Rigan Machado and 7th degree coral belt Master Roger Machado
Deep Half private lesson with Prof Lucio Sergio Dos Santos at the world famous Gracie Barra Rio Matriz in Barra de Tijuca, Brazil
Post roll photo with Keenan Cornelius (he won by flying triangle)
Henry Akins seminar at Javier Vasquez' academy
Masters Rigan and Roger Machado
Seminar with my first professor, Master Fabio Santos, and Grandmaster Rorion Gracie
Masters-Seniors Worlds 2012 (I'm in the white gi)
Masters-Seniors Worlds 2012 action shot (I'm in the white gi)Promotion history
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- 6 months, 28 days
Black belt Current belt
April 18, 2026Pasadena, CA
Promoted byRoger Machado
- 7 years, 5 months, 6 days
Brown belt
November 12, 2018Pasadena, CA
Promoted byRoger Machado
3 years, 8 months, 15 daysPurple belt
February 28, 2015Pasadena, CA
Promoted byRoger Machado- Stripe 3October 20, 2018
- 13 years, 2 months, 27 days
Blue belt
December 1, 2001San Diego, CA
Promoted byFabio SantosBlue belt promotion occurred during a private lesson. No photos were taken and no one else was present. Stripes 1-2 were from Prof Felipe Jerry Oliviera (Gracie Barra Arcadia). Stripes 3-4 were from Prof Steve Cardenas of Force Balance BJJ (Paragon).
- Stripe 4November 21, 2013
- 4 years, 3 months
White belt
September 1, 1997San Diego, CA (Fabio Santos BJJ)
Jeff Higgs and Steve Neklia taught the class. Dean Lister was present.
Votes received for current rank
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"Legit profile congrats on the black"
JCThank you!
5 month(s) ago
"Great profile. Congrats on the black belt. "
JCThank you :)
6 month(s) ago
"Enough proxy evidence to verify the rank. Hope to train together one day :)"
JCThank you!
6 month(s) ago
Competition record
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vs Unknown
LossOct 2012
vs Francisco Hernandez (BJJ Revolution)
WinOct 2012
Seminars, camps & workshops attended
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5th Annual Gracie University Black Belt Exchange
Oct 11
Rigan Machado Anaconda Guard Pass Seminar
Sep 20
Rorion Gracie Seminar
Mar 2019
Atos/AOJ Seminar
Jan 2019
Rigan Machado Guard Passing Seminar
Dec 2018
Matt Jones Footlock & Darce Seminar
Mar 2018
Noah Tillis Seminar
Aug 2016
Rigan Machado Seminar
Jul 2015
BJJ vs Cancer Seminar
Jul 2015
Henry Akins Hidden BJJ Seminar
Apr 2015
BJJ vs Domestic Violence (co-organizer)
Dec 2014
Travis Conley Seminar 2
Nov 2014
Travis Conley Seminar 1
Jun 2014
Keenan Cornelius Lapel Guard Seminar
Apr 2014
Keenan Cornelius Seminar
Oct 2013
Jeff Glover Triangle Seminar
May 2013
Gary Quan Seminar
May 2013
David Avellan Kimura Trap Seminar
Mar 2013
Xande Ribeiro Seminar
Feb 2013
Gracie Barra Camp
Aug 2011
