A Short History of Sudoku

Sudoku are dedicated to the history of the game is a fascinating subject. You, your name, that imagine based on Sudoku in Japan, but it actually appeared in the United States and Britain. Sudoku first New York publisher in North America in late 1970 "Dale" magazine was published. Dell, reasoning ability and an expert in the puzzle, in its magazine Math Puzzles and Logic Problems "Number Place" published as Sudoku.

American version of Sudoku

It has not been determined exactly who the modern American version of Sudoku, but some believe that it's Walter Mackey, was one of the Dell crossword creators. Others believe that a 74-year-old retired architect Howard Garns and freelance puzzle constructor from Indiana said.

Sudoku to Japan

Appear in the Sudoku puzzle finally reached Japan when a Japanese "in a Dell Magazines' Place has been found and it translates as something quite different. Su doku means number and single unit means it introduced to Japan by Nikoli in 1984 As had been "Suuji or Ni dokushin kagiru" in the April monthly Nikolist it can be translated to "be the only example." It immediately caught in Japan, which is only natural when you consider that do not work very well in Japanese crosswords, puzzle, word puzzles and so much more than numbers are so prevalent there.

In 1986, an increase in the popularity of puzzles and Nikoli Sudoku introduced two different versions. Now it is published in the Asahi Shimbun and other mainstream Japanese periodicals. Sudoku by Nikoli's trademarked name is held still while the Japanese use other names in other publications.

Sudoku and computer

Before long it was not that Sudoku can be played by computers. "DigitHunt for Commodore 64" in 1984, a publication / Polestar was created by a company called Softdisk. Allow people of all ages: the home computer version of Sudoku and demand a convenient way to enjoy the game right on your computer screen.

Modern Sudoku Mania

Sudoku puzzles continued to grow in popularity and in 2004 reached fad status in Japan and the United States and Britain hysteria spread through the pages of national newspapers. The increased popularity of Sudoku with more analysis and come to a deeper investigation. It was an accepted belief that practically speaking, there are almost endless grid of 9x9 Sudoku puzzles are the solution. In 2005, Bertram Felgenhauer in counting the number of 6,670,903,752,021,072,936,960. He arrived in the number using the logical computations. Further analysis of the number of grid solutions by Frazer Jarvis and Ed Russell was simplified. It has not yet calculated how many solutions there are in the grid are 16 x 16 Sudoku puzzles.

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