Ko Blaauw 🇳🇱

Oomke Blaauw

Black belt Verified by the community1,120 / 1,000 points

BJJ DelftDen Haag, Netherlands9 years on the mats

295 profile views · Last seen 1 week(s) ago

#5,746worldwide by community verification points

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About

Training since first belt9 year(s) and 7 month(s)
Medals15636

LocationDen Haag, Netherlands
AcademyBJJ Delft Unclaimed
AffiliationRIO Grappling Club
Member sinceFebruary 20206 years on Beltchecker.com One of the first 10,000 members

Training history

Gi or no-gi

Gi and no-gi equallynow

50% Gi50% No-gi

Achievements

3 of 18 unlocked

Profile manually reviewed & certificate issued

Current rank verified by promoting instructor

Name verified by credit card

Verifications received11 / 25

102550

Years trained9 / 10

5101520

Gold medals6 / 10

51025

Competition matches0 / 10

1050100

Forum posts1 / 500

5001,000

Wall

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Gallery

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IBJJF European No-Gi 2026

IBJJF European Gi 2026 - M5 Absolute

IBJJF European Gi 2026 M5, -94.3kg

IBJJF European No-Gi 2025 M5 Absolute

IBJJF European No-Gi 2025 - M5 -91.5kg

IBJJF European 2025 M5 -94,3kg

IBJJF Maters Europe 2025

IBJJF European Gi 2020, M4, -88,3kg

Promotion history

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Black belt Current belt
September 28, 2026Delft, Netherland
1 month, 18 days
Promoted by
Roberto Atalla
Brown belt
June 19, 2024Delft/The Netherland/BJJ Delft
2 years, 3 months, 9 days
Promoted by
Farzin Karbalai-Sadegh
Together with
Floris Dekker
Part of Rio Grappling
Purple belt
June 22, 2022Delft/Netherlands/BJJ Delft
1 year, 11 months, 28 days
Promoted by
Farzin Karbalai-Sadegh
Together with
Floris Dekker
Blue belt
March 6, 2019Delft/The Netherlands/BJJ Delft
3 years, 3 months, 16 days
Promoted by
Farzin Karbalai-Sadegh
Together with
Floris Dekker
White belt
April 1, 2017Delft|The Netherlands\\BJJ Delft
1 year, 11 months, 5 days