Sudoku board game and method of play

Abstract

A Sudoku board game and method of playing the same for keeping track of candidate numbers. The game board includes a grid of squares and a plurality of predetermined positions within each square. Each of the predetermined positions comprises a hole extending into the game board. Players play according to the rules of Sudoku, but place pegs in the holes to indicate candidate numbers. The numerical value of each peg is indicated by the predetermined position of the hole it is placed in. This method allows candidate numbers to be added to the game board quickly, and allows them to be quickly identified, which is an important strategy of Sudoku.

1 . A method of playing a Sudoku game comprising the steps of: 
 providing a game board, said game board having a grid of squares, each of said squares having a plurality of predetermined positions defining potential candidate numbers, each of said predetermined positions comprising a hole extending into said game board;    providing a plurality of pegs;    playing according to the rules of Sudoku;    placing said pegs in said holes to indicate candidate numbers, the numerical value of each said peg indicated by the predetermined position of the said hole it is placed in.    
   
   
       2 . The method of playing a Sudoku game according to  claim 1 , wherein the step of providing a game board further includes: 
 said game board having a nine-by-nine grid of squares, each of said squares having nine predetermined positions therein, said nine predetermined positions arranged in a three-by-three matrix, each of said predetermined positions comprising a hole extending into said game board;    
   
   
       3 . The method of playing a Sudoku game according to  claim 1 , wherein the step of providing a plurality of pegs further comprises: 
 each of said pegs having a top portion and a bottom portion, each of said top portion having a dome-shaped head, each of said bottom portion having a shape adapted to fitting in said holes.    
   
   
       4 . A method of playing a Sudoku game comprising the steps of: 
 providing a game board, said game board having a nine-by-nine grid of squares, each of said squares having nine predetermined positions defining potential candidate numbers, said nine predetermined positions arranged in a three-by-three matrix, each of said predetermined positions comprising a hole extending into said game board;    providing a plurality of pegs, each of said pegs having a top portion and a bottom portion, each of said top portion having a dome-shaped head, each of said bottom portion having a shape adapted to fitting in said holes;    playing according to the rules of Sudoku;    placing said pegs in said holes to indicate candidate numbers, the numerical value of each said peg indicated by the predetermined position of the said hole it is placed in.    
   
   
       5 . A Sudoku game comprising: 
 a game board, said game board having a nine-by-nine grid of squares, each of said squares having nine predetermined positions defining potential candidate numbers, said nine predetermined positions arranged in a three-by-three matrix, each of said predetermined positions comprising a hole extending into said game board;    a plurality of pegs, each of said pegs having a top portion and a bottom portion, each of said top portion having a dome-shape head, each of said bottom portion having a shape adapted to fitting in said holes;    wherein said player plays according to the rules of Sudoku, placing said pegs in said holes to indicate candidate numbers, the numerical value of each said peg indicated by the predetermined position of the said hole it is placed in.