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Tag Archives: Cage Splitting
Puzzle difficulty
First of all, I posted a Killer X puzzle rated THINKER for today. I would like to know how difficult you find this one. Regarding the INSANE puzzle posted on Friday – I see that there has been a lot of discussion regarding it’s difficulty and the difficulty of some other puzzles posted last week. […]
Posted in Killer Sudoku
Also tagged Classic Sudoku, Daily Killer, Daily Killer Sudoku, EASY, hidden subsets, innie, INNIES, INSANE, IQ, killer, killer sudoku, Killer Sudokus, outie, OUTIES, solving technique, SUBSETS, technique, THINKER
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Changes in difficulty level
I must let you know that I’ve been working on improving the part of my software that determines the difficulty of a puzzle. Therefore, for the puzzle that I will post in a few moments, if you try to open it in “Perfect Sudoku” software, you will get a different rating from what’s indicated in […]
Cindy’s puzzle
Cindy, one of our regular visitors kindly asked me to post a daily puzzle today and I couldn’t say no :). So, even that I usually don’t do it on Saturday’s – you can find a very nice Killer Sudoku on the Daily page. It’s interesting that this one after the usual procedure of finding […]
Posted in Killer Sudoku
Also tagged innie, INNIES, IQ, killer, killer sudoku, outie, OUTIES, technique
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September 27 solved!? Or…
I’ve received a possible solution for September 27 puzzle using only minor trial and error from udosuk. Here are his comments. You can also download the images that he sent: Firstly, the first pic (dk0927a.png) shows the steps I last posted which narrows R[1,2]C7 to {25} and then some more… From there I’ve worked out […]
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 innie, INNIES, innies and outies, IQ, killer, killer sudoku, outie, OUTIES, rule of 45, sample puzzle, solving technique, technique
2 Responses
