Global Chapters

National chapters are the backbone of the Federation, organizing competitions, training educators, and growing the KenKen community in their regions.

Active chapter Forming

Chapter Directory

Home of the KenKen International Championship since 2010.

KenKen Puzzle LLC · kenkenpuzzle.com

Where Tetsuya Miyamoto drew the first grid, in 2004.

A five-level national championship running in 15 states.

Omnisoft Technologies Pvt. Ltd.

A nationwide tournament since 2015, and host of the 2022 International Championship.

Rootstalk Learning Solutions · kenkenuae.com

Home of the 2025 Champion of Champions.

UCMAS Egypt · ucmasegypt.org

Junior championships in Ningbo and the country's first international open in Fuzhou.

Fujian Provincial Commission for Promotion of Sudoku · 91sudoku.com

A European chapter is forming, with London as its first hub.

A Southeast Asia chapter is forming in Singapore.

Interested in becoming the official KenKen Federation representative in your country? We would love to hear from you.