Oscar Chen
Nationality Sweden Age 15
Blue belt in Jiu-Jitsu (BJJ)
Achieved
2025
Promoted by Kenta Hammarström
Blue belt
Achieved
2025, January 9th
Promoted by Kenta Hammarström
Green belt
Achieved
2024, August 28th
Promoted by Kenta Hammarström
Competed as green belt on Smoothcomp
2024-10-19 -
NOC 2024-#20-Fall edition
2024-10-05 -
Battle of Stockholm #18 Rinkebyhallen
2024-09-21 -
Haninge BJJ Open 2024- Fall
Orange belt
Achieved
2022, June 13th
Promoted by Kenta Hammarström
Competed as orange belt on Smoothcomp
2024-05-19 -
Battle of Stockholm #17 Gi and Nogi Eriksdalshallen
2024-03-16 -
NOC 2024-#19-Spring edition
2024-02-17 -
Haninge BJJ Kids Open 2024-Spring
2023-11-18 -
Stockholm BJJ Open Kids and Juveniles - Fall edition
2023-10-14 -
Copa Junior & Copa Branca 2023
2023-09-16 -
Haninge BJJ Kids Open- Fall 2023
2023-04-15 -
Haninge BJJ Kids open Spring 2.0
2023-03-25 -
NOC 2023-#17-Spring edition
2023-02-11 -
Haninge BJJ Kids Open 2023 - Spring
2022-09-17 -
Haninge BJJ Kids Open 2022- Fall.
Yellow belt
Competed as yellow belt on Smoothcomp
2022-03-26 -
Nordic BJJ Open Championships - Spring 2022
2021-11-14 -
Järfälla Open Kids
2021-10-30 -
Nordic BJJ Open-Fall edition 2021
Grey belt
White belt
Competed as white belt on Smoothcomp
2019-12-14 -
Lajic BJJ Kids Open
