Thursday, October 16, 2014

Poor Neighbours Sudoku (Daily Sudoku League #63)


I am looking forward to create some of the new Sudoku variations. I created this Poor Neighbours Sudoku and Rich Neighbours Sudoku. In Poor Neighbours Sudoku, marked cells contains digits which are smallest among its orthogonal neighbours and in Rich Neighbours Sudoku, marked cells contains digits which are larger than its orthogonal neighbours. Later it was pointed out by Prasanna who tested these puzzles that Rich Neighbours Sudoku is nothing but Fortress Sudoku with scattered marked cells. So I will be publishing Rich Neighbours Sudoku as Fortress Sudoku later. Currently publishing Poor Neighbhours Sudoku as New Sudoku variations. Do let me know in case someone has seen this variation earlier?

This Poor Neighbours Sudoku is my 63rd contribution for The League of Extraordinary Ladies and Gentlemen.

Rules of Poor Neighbours Sudoku
Classic Sudoku Rules apply. Additionally greyed cells must contains digits which are less than its orthogonal neighbours.
Poor Neighbours Sudoku (Daily Sudoku League #63)
Poor Neighbours Sudoku (Daily Sudoku League #63)


Here is answer to my previous Sudoku League Puzzle titled "Neighbours Sudoku (Fun With Sudoku #19)"
Neighbours Sudoku (Fun With Sudoku #19) Solution
Neighbours Sudoku (Fun With Sudoku #19) Solution


Previous Daily League Sudoku: Between Sudoku (Daily Sudoku League #62)


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Wednesday, October 15, 2014

Neighbours Sudoku (Fun With Sudoku #19)


This Sudoku first time I saw in World Sudoku Championship 2009 (Puzzle L5). The difference in this from WSC puzzle is that in WSC puzzle both the diagonal should also 1 to 9 but in this puzzle there is no diagonal constraint. This puzzle I created for the Indian Team practice and now I am re-publishing this Sudoku as 19th Sudoku in Fun With Sudoku League.

Neighbours Sudoku Puzzle Instructions
Fill in the grid so that every row, every column and every 3x3 box contains all digits 1 through 9. The number outside the grid indicate neighboring digits in the specific row and column.

Neighbours Sudoku (Fun With Sudoku #19)
Neighbours Sudoku (Fun With Sudoku #19)


Here is answer to my previous Sudoku League Puzzle titled "Between Sudoku (Daily Sudoku League #62)"
Between Sudoku (Daily Sudoku League #62) Solution
Between Sudoku (Daily Sudoku League #62) Solution
 


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Thursday, October 9, 2014

Between Sudoku (Daily Sudoku League #62)


Between Sudoku variation, I first time saw in World Sudoku Championship 2014 which happened in August 2014. May be this variation appeared even before WSC 2014 but I am was not aware of Between Sudoku before WSC Instruction booklet got released. 
I created this Between Sudoku for the practice of Indian Sudoku Team for preparation of World Sudoku Championship 2014
I have to go through many iterations to complete this Sudoku. While creation, this Sudoku broke many times but at the end it looks good now.

This Between Sudoku is my 62nd contribution for The League of Extraordinary Ladies and Gentlemen.

Rules of Between Sudoku
Classic Sudoku Rules apply. Additionally the values of the numbers placed along marked lines must be strictly between the two numbers placed in the corresponding circles.

Between Sudoku (Daily Sudoku League #62)
Between Sudoku (Daily Sudoku League #62)

Here is answer to my previous Sudoku League Puzzle titled "Series Sudoku (Fun With Sudoku #18)"
Series Sudoku (Fun With Sudoku #18) Solution
Series Sudoku (Fun With Sudoku #18) Solution

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