Puzzle difficulty rating

As promised, I’ve implemented a difficulty rating system in my Perfect Sudoku software and from now on I will be publishing the level for each puzzle. I’d like to get some response from you on this – how do you…

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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…

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1st month recap

This site was launched on September 14, so today is one month since the launch. I am happy to announce that yesterday we had 821 unique visitors to the site and more than 4000 page views. For just one month…

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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…

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Two very cool puzzles today!

I’ve posted two very beautiful puzzles today. Killer Sudoku: This one might look very difficult but after a tough first step, the solution unfolds really easy. This is at least how I got the solution :), there could be a…

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Samurai X

Another brand new Sudoku variation – Sudoku Samurai X (diagonal Samurai Sudoku) has arrived. As far as I know, this is a unique puzzle of this sort – correct me if I’m wrong. Only the visitors of this website have…

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Site statistics

I can proudly announce that in the past 24hrs there have been 400 unique visitors to my website and more than 2200 page views. The number of unique visitors has quadrupled in just one week. For some these might be…

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