Competitions

Natjecanja

An overview of logic puzzle competitions — from Croatian national tournaments to international championships. Schedules, results, and qualification details for the puzzle community.

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National Events

Croatian Tournaments

Croatia has hosted a range of logic puzzle tournaments, bringing together competitors from across the country. These events have included:

  • Zagorje Open — held in the Croatian Zagorje region.
  • Dalmacija Open — hosted in Dalmatia, including the 28th SOZAH edition in 2012.
  • ZeKa — the 2nd ZeKa tournament took place February 8–10, 2008, in Duga Resa, won by Sanda Reić Tomaš.
  • Zagreb Open — a tournament held in the capital.
  • Sudoku Championship (Sudoku prvenstvo) — the national Sudoku title event.

Qualification rounds for the Croatian national team were also conducted, selecting competitors for world championship events.

Historical Schedule

2008 Competition Calendar

The following schedule was published for the 2008 season. Some dates were provisional, with final confirmation expected at least 15 days before each event.

Dates Event Location / Notes
February 8–10 2nd ZeKa Tournament Duga Resa, Croatia — open to all
February 1 (start) 2nd Open German Optimizing Puzzle Championship Online / Germany
May 4th Croatian Online Competition Online
June 24-hour Puzzle Championship Hungary
June Dalmatia competition Dalmatia, Croatia
August / September Zagorje competition Croatian Zagorje
October Competition in Lithuania Lithuania

International Stage

World Championships & Global Events

Croatian competitors have participated in major international puzzle events, including:

  • World Sudoku Championship (WSC) and World Puzzle Championship (WPC) — the premier global tournaments. The 2012 editions (WSC & WPC 2012) were covered on the portal.
  • Sudokucup — the largest online Sudoku competition. The 4th edition was held June 19–20, 2010, with 340 participants worldwide. Puzzle author Nikola Živanović. Thomas Snyder won, solving all puzzles in under 53 minutes.
  • Beijing International Sudoku Tournament 2011 (BIST11) — held May 19–22, 2011, in China. Won by Jakub Ondroušek of the Czech Republic.
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Team Croatia

National Team Qualifications

The Croatian Logic Association (HLS) coordinated qualification rounds to select competitors for world championship events. Results and rankings for Croatian participants in international tournaments were regularly reported on the portal, highlighting the country's presence in the global puzzle community.