National Organization
Hrvatski Logički Savez
The Croatian Logic Association (HLS) serves as the national body for logic puzzles in Croatia. It brings together puzzle enthusiasts, organizes domestic tournaments, and coordinates Croatian participation in world championship events.
View Competitions
About HLS
Supporting Croatian Logic Puzzles
HLS is the central organization for the logic puzzle community in Croatia. It oversees the national tournament calendar — including the Zagorje Open, Dalmacija Open, ZeKa, Zagreb Open, and the Sudoku Championship — and manages qualification rounds for the Croatian national team.
The association also serves as the bridge to international competition, coordinating Croatian representation at the World Sudoku Championship and World Puzzle Championship. Through its portal, HLS shares news, results, and resources with the broader puzzle community.
Tournaments & Community
What HLS Does
National Tournaments
HLS organizes and promotes Croatian logic puzzle competitions throughout the year, including the Zagorje Open, Dalmacija Open, ZeKa, Zagreb Open, and the national Sudoku Championship.
World Championship Participation
The association coordinates qualification rounds and sends Croatian competitors to the World Sudoku Championship and World Puzzle Championship, representing Croatia on the international stage.
Community Hub
HLS maintains a Facebook group for community discussion and engagement, connecting puzzle enthusiasts across Croatia and beyond.
News & Results
Through the portal, HLS publishes competition results, event announcements, and reports on Croatian and international puzzle tournaments.
Get Involved
Connect with HLS
The Croatian Logic Association welcomes puzzle enthusiasts from all backgrounds. Follow competition news on the portal, join the community conversation, and stay informed about upcoming tournaments and national team qualifications.
Visit the News section for the latest updates, or explore the Competitions page for tournament schedules and results.
The Croatian Logic Association works closely with its members and partner organizations to grow the puzzle community across the country. Beyond the competitive circuit, the association dedicates effort to educational outreach, introducing logic puzzles to schools and youth groups as a way to build critical thinking and problem-solving skills. Regular workshops and practice sessions give newcomers a friendly entry point, while experienced solvers find ongoing challenges that keep their skills sharp. If you encounter any technical issues while exploring the association's pages or event listings, please reach out through the contact options provided on the site, and the service provider will address your details as promptly as possible.