Tag Archives: INNIES

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 , , , , , , , , , , , , , , , , , | 3 Responses

You Asked For It!

As promised, I just posted a puzzle with the rating that is currently in the lead in our poll. And that, apparently, is INSANE. This puzzle requires all Killer techniques + it requires some advanced classic Sudoku techniques (match subsets etc). It does not require trial and error! I hope someone will solve it without […]
Posted in Samurai sudoku, Solving tips | Also tagged , , , , , , , , , , | 12 Responses

Complex innies/outies – part two

I saw two comments (by Graham and David) for the puzzle posted on October 25, and I think there’s a little clarification on “complext innies/outies” that should be made here. You should look for innies/outies in more than just one row/column/nonet. This is a good example of such puzzle. See this image: Click on the […]
Posted in Free sample puzzles, Killer Sudoku, Solving tips | Also tagged , , | 3 Responses

Complex innies/outies

One of our visitors (Phyllis) asked about the puzzle posted on October 13. Now, this puzzle definitely doesn’t need any trial and error to be solved – in fact it’s only rated as “thinker”. However, it requires a technique that in the new version of Perfect Sudoku will be called “complex innies/outies”. It is basically […]
Posted in Free sample puzzles, Solving tips | Also tagged , , , , , , , , , | 3 Responses

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 […]
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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 […]
Posted in General | Also tagged , , , , | 1 Response

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 […] Related Posts Plugin for WordPress, Blogger...
Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , | 2 Responses
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