Interesting Facts about Sudoku

Sudoku is a number game in which missing numbers are to be filled into a 9 by 9 grid of squares which are subdivided into 3 by 3 boxes so that every row, every column, and every box contains the numbers 1 through 9.

 

  • Sudoku is not just a “corresponding” name for this puzzle. In Japanese “Su” means a number, while “Doku” means only/single. So Sudoku means “only single digits”.
  • Actually, Sudoku isn’t a Japanese game it all. It is American invented. Howard Garns created it as Number Place in 1979 but died in 1989 before Japanese publisher Nikoli got a hold of it. The game didn’t really take off until 2004 though when Wayne Gould convinced The Times in London to publish it.
  • When Sudoku became a world hit in 2005, it is estimated that it is the biggest phenomenon since the Rubik’s Cube in the 1980s.
  • In the year following Sudoku going viral, pencil sales are said to have increased by around 700%.
  • Sudoku is a logic game and involves absolutely no math or language skills.
  • There are 6670903752021072936960Sudoku grids. However, the essentially different Sudoku grids are only 5,472,730,538. Lifetime is not enough to solve all the grids.
  • You don’t need to be an expert to make a Sudoku puzzle. Anyone with basic logical reasoning can make a Sudoku puzzle within minutes.
  • There is a minimum number of clues to be given for the Sudoku puzzle to have one solution. The least number of clues of a given Sudoku with a unique solution is 17.
  • The fastest recorded time to complete a Sudoku puzzle was 1 minute 23.93 seconds, as the Guinness World Records says. The record was set on May 20, 2006 by Thomas Snyder, an American Sudoku champion.
  • Arto Inkala, a Mathematician from Finland, claims to have come up with the “world’s hardest Sudoku” in 2012. Typically Sudoku difficulty is graded with 1 star being easy and 5 stars being very hard. According to Britain’s The Telegraph newspaper, Inkala’s Sudoku would be graded 11 on the difficulty scale!
  • There is a worldwide Sudoku Championship every year since Mar 2006. The first World Sudoku Championship was held in Lucca, Italy.
  • Sudoku is good for anyone and any age and helps develop mental abilities as well as keeps them in good condition.
  • Playing Sudoku regularly can have benefits, like boosting your concentration and focus, lowering blood pressure, preventing or easing depression and possibly even preventing dementia and Alzheimer’s disease.
  • Sudoku is considered highly addictive and considered as one of the good addictions.

 

Recommendation

If you did not already know it, Sudoku is a fun game that is great as a pass-time and a mental workout too. If you are looking for a game that can prove to get easier over time and present a challenge for your mental capacity, Sudoku it is. Whether you are young or old, this game offers the opportunity to occupy your mind while it provides a variety of other physical and mental health benefits too.

Question

What are you waiting for?

 

Titbits

Sudoku inadvertently obstructed justice by interfering with a court case (probably more than once). In Australia, 5 Jurors were caught playing a sneaky game of Sudoku instead of paying attention to evidence being presented.

 

Value additions are most welcome

For regular updates, please register here

Subscribe

11 Replies to “Interesting Facts about Sudoku”

  1. My interest in this amazing game started by watching you solve these grid problems.
    Thanks sir, been a regular now, ofcourse as a past time activity.
    Agree with you, it helps solve lives problems also.
    Regards.

  2. Great bit of information. Thanks for the update. Ii indeed is quite the addiction, but a welcome one. Been at it for about 10 years 🙂

  3. Thank you Anil. I have been doing some of the daily ToI sudokus but not absolutely regularly…
    Must confess I didn’t know all these trivia about the game…
    Thank you, enjoyed it…

Leave a Reply

Your email address will not be published. Required fields are marked *