BJJ BELTCHECKER | Mariusz Grzywinski (5600 points)
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Mario Silverback

(Mariusz Grzywinski)
751 profile views | Last seen: 6 month(s) ago
Mariusz Grzywinski  VERIFIED
Black belt 2nd degree  VERIFIED
15 year(s) and 11 month(s) of training
1 competition matches (1-0-0)
8 medals (5 x 2 x 1 x )
Dublin, Ireland
Silverback jiu jitsu academy  UNCLAIMED
Lineage: Mitsuyo Maeda>Carlos Gracie Sr.>Helio Gracie>Carlos Gracie Jr.>Rigan Machado>Chris Haueter>Matt Thornton>John Kavanagh>Mariusz Grzywinski
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@Coach_mario_silverback
Lineage: Lineage: Mitsuyo Maeda>Carlos Gracie Sr.>Helio Gracie>Carlos Gracie Jr.>Rigan Machado>Chris Haueter>Matt Thornton>John Kavanagh>Mariusz Grzywinski
Training history
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Achievements

Profile manually reviewed & certificate issued
Current rank verified by promoting instructor
Beltchecker.com pioneer (first 50)
Name verified by credit card
10 verifications received
25 verifications received
50 verifications received
Trained for 5 years
Trained for 10 years
Trained for 15 years
Trained for 20 years
Won 5 gold medals
Won 10 gold medals
Won 25 gold medals
10 competition matches
50 competition matches
100 competition matches
500 forum posts
1,000 forum posts

Belt promotions

Luke
Bartosz
John

Black belt 2nd degree verification progress

 Profile filled out Promotion history filled out Identity Confirmed 5600/1000 vote points
100%

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Promotion history

September 30, 2023
1 year(s) 10 month(s) 18 day(s)
(Promotion by time served)
September 30, 2020
3 year(s) 0 month(s) 0 day(s)
(Promotion by time served)
September 30, 2017 - Dublin/Ireland/straight blast gym Ireland HQ
3 year(s) 0 month(s) 0 day(s)
Promoted by: John Kavanagh
August 25, 2015
2 year(s) 1 month(s) 5 day(s)
Promoted by: John Kavanagh
December 20, 2011
3 year(s) 8 month(s) 5 day(s)
Promoted by: John Kavanagh
September 30, 2010
1 year(s) 2 month(s) 20 day(s)
Promoted by: Matt Thornton
September 1, 2009
1 year(s) 0 month(s) 29 day(s)

Votes received for current rank

"Legit, osssss"
VERIFIED +250 pts
5 year(s) ago
Comments
"It's YES for me 😉"
VERIFIED +200 pts
1 year(s) ago
Comments
"Well documented, legit!"
VERIFIED +200 pts
5 year(s) ago
Comments
"Legit"
VERIFIED +200 pts
5 year(s) ago
Comments
VERIFIED +200 pts
5 year(s) ago
Comments
"SBG alumni, legit!"
VERIFIED +175 pts
4 year(s) ago
Comments
"We met at Globetrotters Spring camp in Estonia in 2019. Good coach and a legit black belt."
VERIFIED +175 pts
5 year(s) ago
Comments
"Trained with Mariusz at the first Estonia Camp. He is incredibly technical and a very good coach."
VERIFIED +175 pts
5 year(s) ago
Comments
"Met at several BJJ Globetrotters camps"
VERIFIED +175 pts
5 year(s) ago
Comments
"rolled with him @ summer camp. "
VERIFIED +175 pts
5 year(s) ago
Comments
VERIFIED +175 pts
5 year(s) ago
Comments
"Legit profile"
VERIFIED +150 pts
4 year(s) ago
Comments
"No doubt....Legit "
VERIFIED +150 pts
4 year(s) ago
Comments
"ok"
VERIFIED +150 pts
4 year(s) ago
Comments
"Legit "
VERIFIED +150 pts
5 year(s) ago
Comments
"BJJ Globetrotters Winter Camp"
VERIFIED +150 pts
5 year(s) ago
Comments
"Met as a fellow instructor at Globetrotters. Great instructor and great roll."
VERIFIED +150 pts
5 year(s) ago
Comments
VERIFIED +150 pts
5 year(s) ago
Comments
VERIFIED +150 pts
5 year(s) ago
Comments
VERIFIED +150 pts
5 year(s) ago
Comments
VERIFIED +150 pts
5 year(s) ago
Comments
"Verified based on photos"
VERIFIED +125 pts
4 year(s) ago
Comments
"Very nice guy and great both instructor and fighter :-) He gave seminar at my gym."
VERIFIED +125 pts
5 year(s) ago
Comments
"the silverback from poland with a heart of gold. More than a black belt!"
VERIFIED +125 pts
5 year(s) ago
Comments
"Legit, Osss!"
VERIFIED +100 pts
1 year(s) ago
Comments
"legit BB profile, well documented!"
VERIFIED +100 pts
2 year(s) ago
Comments
"known grappler/ BJJ practictionner in Dublin and black belt from John Kavanagh, legit of course!"
VERIFIED +100 pts
4 year(s) ago
Comments
"Enough photo evidance, legit blackbelt! "
VERIFIED +100 pts
4 year(s) ago
Comments
"He breaths jiujitsu"
VERIFIED +100 pts
4 year(s) ago
Comments
"Well known on Irish BJJ circuits..legit black belt.."
VERIFIED +100 pts
5 year(s) ago
Comments
"Lives the Jiu Jitsu lifestyle everyday. Expert Gi and NoGi"
VERIFIED +100 pts
5 year(s) ago
Comments
"really enjoyed learning and rolling with Mariusz"
VERIFIED +100 pts
5 year(s) ago
Comments
"As legit as they come. Some of my favorite details I've picked up from coach Mario."
VERIFIED +100 pts
5 year(s) ago
Comments
VERIFIED +100 pts
5 year(s) ago
Comments
VERIFIED +100 pts
5 year(s) ago
Comments
"Fantastic instructor!!! "
VERIFIED +50 pts
3 year(s) ago
Comments
"Legit"
VERIFIED +50 pts
4 year(s) ago
Comments
"Good references. All the best."
VERIFIED +50 pts
4 year(s) ago
Comments
"I know Mario from the Irish scene. Very technical black belt and has reffed more than a fair share of matches for me. "
VERIFIED +50 pts
5 year(s) ago
Comments
"Solid profile, Well documented, Cheers from Vietnam "
VERIFIED +50 pts
5 year(s) ago
Comments
"Met Mario in Estonia 2019 camp, rolled with him and attended at his class"
VERIFIED +50 pts
5 year(s) ago
Comments
"Winter camp 2020"
VERIFIED +50 pts
5 year(s) ago
Comments
VERIFIED +50 pts
5 year(s) ago
Comments
"Took my foot, my arm and my soul ;) but thought me how to take them from other people as well. A very good teacher and a nice guy of the mat."
VERIFIED +20 pts
2 month(s) ago
Comments
"Looks legit 👊👍"
VERIFIED +20 pts
1 year(s) ago
Comments
"Legit! Well documented"
VERIFIED +20 pts
5 year(s) ago
Comments
"A legend. Confirmed!"
VERIFIED +20 pts
5 year(s) ago
Comments
VERIFIED +20 pts
5 year(s) ago
Comments
"Several Globetrotters camps."
VERIFIED +5 pts
2 year(s) ago
Comments
"Coach at summer camp "
VERIFIED +5 pts
4 year(s) ago
Comments
"Met at BJJ camp. Good teacher."
VERIFIED +5 pts
4 year(s) ago
Comments
"I was there when Mario received his black belt."
VERIFIED +5 pts
4 year(s) ago
Comments
"Solid competitor coming from a solid lineage"
VERIFIED +5 pts
5 year(s) ago
Comments
Profiles Mario Silverback has voted for

Videos

White belt flying armbar
Rory McCann vs Mariusz Grzywinski - Grapple Kings 3

Videos

White belt flying armbar

Videos

Rory McCann vs Mariusz Grzywinski - Grapple Kings 3

Instructional videos

Winter Camp 2019: Back attacks from different concepts with Mariusz Grzywinski
Winter Camp 2020: Open guard/ RDLR /DLR /single X transition sweeps with Mariusz Grzywinski
Winter Camp 2020: How to make someone unbalanced and easier to take down with Mariusz Grzywinski
Winter Camp 2019: Upside down armbar concepts with Mariusz Grzywinski

Instructional videos

Winter Camp 2019: Back attacks from different concepts with Mariusz Grzywinski

Instructional videos

Winter Camp 2020: Open guard/ RDLR /DLR /single X transition sweeps with Mariusz Grzywinski

Instructional videos

Winter Camp 2020: How to make someone unbalanced and easier to take down with Mariusz Grzywinski

Instructional videos

Winter Camp 2019: Upside down armbar concepts with Mariusz Grzywinski

Medals

07/14/2019Grappling industries Dublin 2019GI ADULT / MALE / BLACK / MASTER (30+) / -210 LBS 
07/14/2019Grappling industries Dublin 2019ABSOLUTE NO GI / MALE / MASTERS & SENIORS 
12/09/2018DUBLIN INTERNATIONAL OPEN 2018Black / -100kg/masters 
05/12/2018Irish open 2018Black /masters/94kg 
11/20/2015 Madrid International Open Jiu-Jitsu IBJJF ChampionshipBrown/94kg/adults 
11/20/2015 Madrid International Open Jiu-Jitsu IBJJF ChampionshipBrown/91/NOGI/adults 
02/11/2015UAEBJJF WORLDS BJJ TRIALS 2015 GiPurple / 93kg/adults 
02/11/2015UAEBJJF WORLDS BJJ TRIALS 2015 GiPurple/open adults 

Competition record

03/03/2018Grapple kings 3Heavyweight no gi expertRory McCannWin
Calf slicer

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