This is the archive of the old posts from Djape .Net, more or less as they used to be. Please go to djape.net to see the new website.

Tag Archives: killer sudoku

Cage Splitting – Killer Sudoku

By djape | Published: October 7, 2005
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 […]
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Two very cool puzzles today!

By djape | Published: October 7, 2005
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 simpler one. Anyhow, I will use this one to explain the technique that I call […]
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Killer Sudoku – September 27th

By djape | Published: October 6, 2005
Many people have asked about the Killer Sudoku posted on September 27th. I haven’t tried to solve this Killer by hand but it is very much possible that it requires either a lot of math (the technique that I call “cage/fence splitting”, which will be explained in the next few days) or that it cannot […]
Posted in General, Killer Sudoku, Solving tips | Also tagged , , , | 12 Responses

Site statistics

By djape | Published: October 4, 2005
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 modest figures, but considering how long has this site been online and most importantly keeping […]
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Blank Grids

By djape | Published: October 4, 2005
Update October 4: I noticed that the samurai blank grid might have been a bit too big to print, so I uploaded a slightly smaller version. — I just figured that you might need some blank grids to print out so you could use them when you work on these puzzles. So here they are, […]
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More daily puzzles

By djape | Published: October 2, 2005
In addition to today’s 3×3 Killer Sudoku that you are already used to seeing here, I’ve posted another puzzle on the Daily Sudoku variants Puzzles page. It’s a standard Sudoku, although not a classic 3×3 but rather a 2×5 variation. All 10 digits are used (0-9) so it should be slightly more difficult than the […]
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4×2 Killer Sudoku!

By djape | Published: October 1, 2005
Today’s puzzle is not the ordinary 3×3 Killer Sudoku, but rather it’s a 4×2 variant. All rules remain the same, except that there are now only 8 digits used (1-8). NOTE:Since only 8 digits are used, the sum of all boxes, rows and columns is 36! Be careful when you look for “innies” and “outies”! […]
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Weekend special!

By djape | Published: September 30, 2005
I’ve prepared something special for Saturday’s puzzle, for two reasons: it’s a weekend and also it’s October 1 and I want to start with something brand new in October! It’s another variation of Killer Sudoku’s that I have never seen before. If you have – please let me know. And don’t worry, it’s not going […]
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Today’s puzzle – Killer Sudoku X (diagonal)

By djape | Published: September 28, 2005
As promised, today I’m posting something that I haven’t seen anywhere on the web – a diagonal Samunamupure. As far as I know it’s a world premier of this kind of puzzle – and you have the privilege to be the first to solve such puzzle! The rules are still the same – all cages […]
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The Rule of 45 of Killer Sudoku (innies and outies)

By djape | Published: September 27, 2005
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 […]
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