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Author Archives: djape
Samurai number 5
IQ Friday
First of all, I think that the download issues have been rectified. People aren’t complaining about downloading puzzles anymore, so I reckon it’s working fine for all of you. Also, I posted two puzzles just now. The Killer is rated “IQ”. It should be challenging but not terribly difficult. You should all solve it by […]
Problems downloading daily puzzles?
If you have a problem downloading daily puzzles, please try a couple of times (if the page reloads try again!) and if it still doesn’t work please send an e-mail to sudoku@djapedjape.com with a detailed description. In response, I will e-mail you today’s puzzle and also work on fixing the problem. It is unfortunate that […]
Posted in General
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A few words about “Perfection”
Ever since I started posting “Killer” Sudokus I was unhappy for one reason: the puzzles posted did not meet one criteria that I was hoping they would fulfill – they were not perfect. Yes, I admit that. You might wonder why I say that. Two reasons: 1) September 27 puzzle. It required trial and error. […]
Posted in Killer Sudoku
Tagged Classic Sudoku, killer, killer sudoku, Killer Sudokus, PERFECT, Perfect Sudoku
2 Responses
“COOL” for Monday
I just posted today’s puzzle – rated “cool”. Remember, this is on “easy, cool, thinker, brain, iq, insane” scale. The difficulty is shown in the image along with the numeric indication of the difficulty. So this number can be used to compare two puzzles that have same difficulty levels. Thanx to R.Spurgeon who was quick […]
Complex innies/outies
Posted in Free sample puzzles, Solving tips
Tagged innie, INNIES, IQ, outie, OUTIES, Perfect Sudoku, solving tip, solving tips, standard sudoku, technique, THINKER
3 Responses
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 rate these puzzles that I’ve been posting? Here is what I came up with. These […]
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
Tagged Cage Splitting, innie, INNIES, IQ, killer, killer sudoku, outie, OUTIES, technique
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Samurai of the week
Weekend Samurai
So far I’ve posted 3 Samurai puzzles so on average it’s about one per week. I think it’s about time to make it “official” – from now on, we will be posting a Weekly Samurai puzzle on this site. These puzzles will be available through the “samurai” link on the right hand side. Please do […]


