Thursday, November 27, 2014

Letter Killer Sudoku (Daily Sudoku League #70)


Most the Sudoku puzzles which I am posting recently, I created to practice for one or the another Sudoku Championship. Again this Letter Killer Sudoku puzzle is no exception. Letter Killer Sudoku appeared in Italian round of the Sudoku Grand Prix Championship 2013. That was the first time I saw this puzzle and to practice this type I created this Sudoku. Even though this was created long back on my notebook but I took time to create the graphic image was this Sudoku. 
This Letter Killer Sudoku is not very tough one but definitely it involves doing Mathematically calculations and solving Sudoku simultaneously. I am posting this Letter Killer Sudoku as my 70th contribution for The League of Extraordinary Ladies and Gentlemen.

Rules of Letter Killer Sudoku
Classic Sudoku Rules apply. Additionally the sum of the digits within each cage (dotted subarea) equals the number represented by the letter or group of letters given in the top left corner of that subarea. No digit can repeat in each subarea. Each letter A through I corresponds to a different digit 1 through 9.
Letter Killer Sudoku (Daily Sudoku League #70)
Letter Killer Sudoku (Daily Sudoku League #70)

Previous Daily League Sudoku: Somewhere Sudoku (Daily Sudoku League #69)

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Wednesday, November 26, 2014

Number Forms Sudoku (Fun With Sudoku #27)


This Sudoku first time I saw in World Sudoku Championship 2009 (Puzzle L6). This puzzle I created for the Indian Team practice.

I am re-publishing this Sudoku as 27th Sudoku in Fun With Sudoku League.


Rules of Number Forms Sudoku
Fill in the grid so that every row, every column and every 3x3 box contains all digits 1 through 9. Grey cells contains angular digits only (1,4,7).
Number Forms Sudoku (Fun With Sudoku #27)
Number Forms Sudoku (Fun With Sudoku #27)

Previous Fun With Sudoku League Puzzle: Margin Sudoku (Fun With Sudoku #26)

Next Fun With Sudoku League Puzzle: Prime Number Sudoku (Fun With Sudoku #28)


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Tuesday, November 25, 2014

Sudoku 2D (Mini Sudoku Series #10)


Again this Sudoku is generated by Computer program. This is an easy Sudoku to introduce new Sudoku solver to this type.

 I am re-posting this Sudoku as 10th Sudoku in Mini Sudoku Series. 

Sudoku 2D (Mini Sudoku Series #10)
Sudoku 2D (Mini Sudoku Series #10)
 
Previous Mini Sudoku Series Puzzle: Sum Sudoku (Mini Sudoku Series #9)
Next Mini Sudoku Series Puzzle:  Kropki Sudoku (Mini Sudoku Series #11)

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Monday, November 24, 2014

Margin Sudoku (Fun With Sudoku #26)


This Margin Sudoku puzzle was part of World Sudoku Championship 2009 (Puzzle M2). This type appeared in Semifinal of the championship. This puzzle was created for the Indian Team practice. Hopefully this helped in team practice as 3 Indian were in the semi final in year 2009 World Sudoku Championship. I enjoyed a lot while creating this puzzle. Hopefully solving it will be equally enjoyable. 

I am publishing this Sudoku as 26th Sudoku in Fun With Sudoku League. 

Last week on 21st November 2014, we conducted school round of Sudoku Champs 2015 in Delhi Public School North Bangalore. It was nice to see more than 100 kids solving Sudoku. Some of the top solvers in this competition are really good and hope that some of them will make it to Indian Junior Sudoku team. 
Rules of Margin Sudoku
Fill in the grid so that every row, every column, both diagonals and center 3x3 box contains all digits 1 through 9. The numbers outside the grid indicate that the given number is located in the first or second cell from the margin.
Margin Sudoku  (Fun With Sudoku #26)
Margin Sudoku  (Fun With Sudoku #26)

Previous Fun With Sudoku League Puzzle: Classic Sudoku (Fun With Sudoku #25)

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