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Maki Kaji, ‘godfather of sudoku’, dies at 69

August 17, 2021
Sudoku wasn’t a global hit until 2004, after a fan from New Zealand pitched it and got it published in the British newspaper The Times. — Courtesy photo
Sudoku wasn’t a global hit until 2004, after a fan from New Zealand pitched it and got it published in the British newspaper The Times. — Courtesy photo



TOKYO — Maki Kaji, the creator of the popular numbers puzzle Sudoku has died, his Japanese company said Tuesday. He was 69 and had bile duct cancer.

Known as the “Godfather of Sudoku,” Kaji created the puzzle to be easy for children and others who didn’t want to think too hard. Its name is made up of the Japanese characters for “number” and “single,” and players place the numbers 1 through 9 in rows, columns and blocks without repeating them.

“Known as the Godfather of Sudoku, he was adored by puzzle lovers around the world and we would like to express our gratitude to all of you,” his company, Nikoli, said on its website.

Sudoku wasn’t a global hit until 2004, after a fan from New Zealand pitched it and got it published in the British newspaper The Times. Two years later, Japan rediscovered its own puzzle as a “gyakuyunyu,” or “reimport.”

Maki traveled to more than 30 countries spreading his enjoyment of puzzles. Sudoku championships have drawn some 200 million people in 100 countries over the years, according to Tokyo-based Nikoli.

Sudoku was also never trademarked except within Japan, driving its overseas craze, Nikoli said.

“Kaji-san came up with the name Sudoku and was loved by puzzle fans from all over the world. We are grateful from the bottom of our hearts for the patronage you have shown throughout his life,” the company said in a statement.

Originally, Sudoku was called “Suji-wa-Dokushin-ni-Kagiru,” which translates to, “Numbers should be single, a bachelor.” In recent years, Sudoku, believed to be the world’s most popular pencil puzzle, has come out in digital versions.

Born in the main northern island of Hokkaido, Maki started Japan’s first puzzle magazine after dropping out of Keio University in Tokyo. He founded Nikoli in 1983, and came up with Sudoku about the same time. — Agencies


August 17, 2021
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