Tag Archives: rule of 45

  • Flagship books

    The Way of Samurai_Sudoku, volume 1        Revenge of Killer_Sudoku, volume 1        Jigsaw_sudoku, very twisted puzzles        Hanjie_, Griddlers_, Nonograms_: whatever the name, it is the same game

Why do I make puzzles? A brief history of Djape.net

A short answer to that question would be: because I enjoy doing it! … but here is a long version, too. Back in the summer of 2005 I realized that it’s about time I had my own website. At that point I had been computer programming for years and it kinda made sense that I [...]

Posted in General, Killer Sudoku, Reviews, Samurai sudoku, Washington Post | Also tagged , , , , , , , , , , , , , , , , , , , , , , | 6 Responses

Cage Splitting – Killer Sudoku

Ok, here is the explanation of the “Cage/fence splitting” solving technique for Killer Sudoku puzzles that I promised before. I will use the puzzle posted on Friday, October 7 and solve it step by step using this method. We extend the idea of the “innies” and “outies” solving technique, except that you’re not looking for [...]

Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , | 2 Responses

The Rule of 45 of Killer Sudoku (innies and outies)

This tip is probably the most important solving technique of Killer Sudoku, one that will save you a lot of time. It does involve some math, but very simple one. Basically, the whole story is that you have to bear in mind that 1+2+3+4+5+6+7+8+9 = 45. Very smart, huh? Well, maybe not so, but it’s [...]

Related Posts Plugin for WordPress, Blogger...
Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , , , | 2 Responses
eXTReMe Tracker