Killer Sudoku Grading

For fans of Killer Sudoku, Samurai Sudoku and other variants

Killer Sudoku Grading

Postby Telkin » Mon Apr 16, 2012 7:47 am

I have created the following killer sudoku, I though it was easy until, Jsudoku said that the following techniques were needed.

Image

3x3::k:5121:5121:3331:3331:5126:5126:4361:4361:4361:5121:4098:4098:3332:4101:5126:5126:4361:3336:4098:4098:3332:3332:4101:4101:5895:3336:3336:1294:3597:3597:7436:7436:5895:5895:5643:3336:1294:3597:7436:7436:4874:4874:5895:5643:5643:5903:5903:5903:7436:4114:4874:4874:4874:3863:5903:4115:4115:4884:4114:2838:2838:3863:3863:2576:4115:4884:4884:4114:4629:2838:4121:3352:2576:2065:2065:4884:4629:4629:4121:4121:3352:

Naked Single
Hidden Single
Single Innies & Outies
Unique Pair
Naked Pair
Hidden Pair
Unique Triplet
Intersection
Odd Pairs
Odd Triplets
Double Innies & Outies
Mandatory Inclusion
Odd Quads
Complex Intersection
Triple Innies & Outies
Double Outies minus Innies
Complex Naked Pair
Complex Hidden Pair
Conflicting Pair
Quadruple Innies & Outies

Could somebody grade this puzzle and tell me what constitutes an easy, Medium, Hard and Extreme killer sudoku puzzle please?

Thank you in advance.
Telkin
 
Posts: 20
Joined: 12 September 2011

Re: Killer Sudoku Grading

Postby tarek » Mon Apr 16, 2012 3:41 pm

Hi Telkin,

If you think that it is easy then it is easy .... Don't let anyone convince you otherwise because difficulty is subjective.

tarek
User avatar
tarek
 
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Joined: 05 January 2006

Re: Killer Sudoku Grading

Postby HATMAN » Sat Apr 21, 2012 8:28 am

SudokuSolver gives it 1.25 at the low end of the assassin range. That feels about right to me.

If you found it easy you should be doing the assassins:

http://www.rcbroughton.co.uk/sudoku/for ... um.php?f=3
HATMAN
 
Posts: 203
Joined: 25 February 2006


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