Analytics preferences

Allow privacy-masked PostHog analytics and session replay so we can see which parts of the reference are useful and where people get stuck. We never send searches, route identifiers, or form contents. Vercel's anonymous traffic and performance measurement remains active either way.

jiu-jitsu reference

Athletes Events Organizations Matches Knowledge Graph About Support

jiu-jitsu reference

© 2026 Jiu Jitsu Reference. All rights reserved.

Apple, the Apple logo, and App Store are trademarks of Apple Inc., registered in the U.S. and other countries.

Privacy Terms Support

Matches/Aug 16, 2025

Kalle Arvelin vs Mika Atti

ADCC: North European Open Championship 2025

WinnerKalle Arvelin

versus

Match result

Decision

Winner: Kalle Arvelin
Method: Decision
Stage: Not recorded
Weight class: 170 lbs (76.9 kg)

Event context

Date: August 16, 2025

Location

Turku, Finland

Organization

Abu Dhabi Combat Club

Division

170 lbs (76.9 kg)

Kalle Arvelin vs Mika Atti | Jiu-Jitsu Reference