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  2. Web Sudoku - Wikipedia

    en.wikipedia.org/wiki/Web_Sudoku

    Web Sudoku is an online sudoku website which was rated as one of the best 50 fun and games website by Time. [1] It was founded by Gideon Greenspan and Rachel Lee. [ 2 ] The website was rated as the 7265th best website in the world by Jonathan Harchick in his book The World's Best Websites . [ 3 ]

  3. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    A typical Sudoku puzzle. A standard Sudoku contains 81 cells, in a 9×9 grid, and has 9 boxes, each box being the intersection of the first, middle, or last 3 rows, and the first, middle, or last 3 columns. Each cell may contain a number from one to nine, and each number can only occur once in each row, column, and box.

  4. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    For classical Sudoku, the number of filled grids is 6,670,903,752,021,072,936,960 (6.671 × 10 21), which reduces to 5,472,730,538 essentially different solutions under the validity-preserving transformations. There are 26 possible types of symmetry, but they can only be found in about 0.005% of all filled grids. An ordinary puzzle with a ...

  5. Play Daily Sudoku Online for Free - AOL.com

    www.aol.com/games/play/i-play/daily-sudoku

    Come back every day for a fresh new Sudoku puzzle! Come back every day for a fresh new Sudoku puzzle! ... Sudoku. Play. Masque Publishing. Super Crazy 8's. Play. Masque Publishing. Sweet Gummy Blast.

  6. Sudoku - Wikipedia

    en.wikipedia.org/wiki/Sudoku

    The first newspaper outside of Japan to publish a Sudoku puzzle was The Conway Daily Sun (New Hampshire), which published a puzzle by Gould in September 2004. [ 12 ] [ 13 ] Gould pitched the idea of publishing Sudoku puzzles to newspapers, offering the puzzles for free in exchange for the newspapers' attributing them to him and linking to his ...

  7. World Sudoku Championship - Wikipedia

    en.wikipedia.org/wiki/World_Sudoku_Championship

    2015 World Sudoku Championship Sofia, Bulgaria. The World Sudoku Championship (WSC) is an annual international puzzle competition organised by a national member of the World Puzzle Federation. The first event was held in Lucca, Italy, in 2006. National teams are determined by local affiliates of the World Puzzle Federation.

  8. Thomas Snyder - Wikipedia

    en.wikipedia.org/wiki/Thomas_Snyder

    Thomas Snyder (born c. 1980) [1] is an American puzzle creator and world-champion sudoku and logic puzzle solver. He is the first person to win both the World Sudoku Championship (3 times) and the World Puzzle Championship. Snyder writes a puzzle blog as Dr. Sudoku. [2]

  9. The New York Times Games - Wikipedia

    en.wikipedia.org/wiki/The_New_York_Times_Games

    The New York Times Games (NYT Games) is a collection of casual print and online games published by The New York Times, an American newspaper.Originating with the newspaper's crossword puzzle in 1942, NYT Games was officially established on August 21, 2014, with the addition of the Mini Crossword. [1]

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