Sudoku Mind Games At Their Best

Sudoku Mind Games At Their Best



Sudoku – Mind Games At Their Best?
Sudoku is​ a​ logic based puzzle,​ somewhat similar to​ a​ crossword puzzle,​ except it​ uses digits instead of​ words .​
The name Sudoku is​ an​ abbreviation of​ a​ Japanese phrase which means the​ digits must remain single .​
It is​ also sometimes called Number Place or​ Nampure.
The history of​ Sudoku
You can find predecessors of​ Sudoku as​ early as​ 1895,​ when an​ early version or​ variant of​ Sudoku appeared in​ a​ French newspaper.
The game now known as​ Sudoku was not invented until 1979,​ however,​ and was actually invented in​ Indianapolis,​ not Japan .​
Sudoku became widely popular in​ 1986,​ when the​ Japanese puzzle publisher Nikoli found and published the​ puzzle.
The game of​ Sudoku
Sudoku is​ based on​ a​ graph of​ squares,​ nine squares by nine squares .​
This graph is​ sub-divided into 9 3x3 squares or​ regions .​
The board looks much like 9 tic tac toe games all together.
The game is​ played by placing digits (1-9) in​ the​ squares on​ the​ game .​
Easy enough .​
The tough part is​ that each region (3x3 square,​ each diagonal row,​ each horizontal row,​ and each vertical row of​ squares must contain one of​ each of​ the​ nine digits,​ but may not have duplicates.
Each Sudoku game has some of​ the​ fields pre populated with numerals,​ called givens or​ clues .​
The difficulty is​ not necessarily related to​ how many fields are populated,​ though.
Difficulty
Sudoku is​ a​ very simple game in​ it's construction,​ but it​ can require some serious brain effort and skill to​ solve .​
Publishers often rank games according to​ difficulty,​ using 4-5 levels to​ organize games by their difficulty.
Accessibility
Sudoku puzzles are published in​ many newspapers and magazines around the​ world .​
They are also available in​ print form,​ and as​ computer games .​
Probably the​ easiest way to​ get them,​ though,​ is​ from a​ website that features free Sudoku puzzles .​
Many websites can also generate custom puzzles for free.




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