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Author Archives: djape
Fiendish, anyone?
I’ve just uploaded today’s puzzles. Be warned – the classic Sudoku that I posted should be rated as ‘fiendish’, I think. If you don’t think so, have a look, solve it and rate it yourself! Let us know what you think. I promise that I will soon implement an automatic rating system and post that […]
We’ve become Samurai
This is something very special: my first ever produced Samurai Sudoku puzzle. For those of you who haven’t come across these, it’s a Sudoku variation where there are 4 standard grids interconnected by another middle grid. So all together you have 5 grids! All the standard Sudoku rules apply. You just have to be extra […]
Posted in Free sample puzzles, Samurai sudoku
Tagged rules, samurai, standard sudoku
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More daily puzzles
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 […]
4×2 Killer Sudoku!
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”! […]
Posted in Killer Sudoku
Tagged innie, INNIES, innies and outies, killer, killer sudoku, NOTE, outie, OUTIES, rules, variant
1 Response
Weekend special!
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 […]
Was it too difficult?
Hmm, I might have overdone today’s puzzle… Maybe it was a little bit too hard? Any thoughts? Anyone solved it without using Perfect Sudoku? ANYONE? Anyhow, I promise tomorrow’s daily puzzle will be somewhat easier. Don’t give up! It’s a great game and it’s worth playing. Tommorrow I will also create an archive where you […]
Today’s puzzle – Killer Sudoku X (diagonal)
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 […]
The Rule of 45 of Killer Sudoku (innies and outies)
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 […]
Posted in Killer Sudoku, Solving tips
Tagged innie, INNIES, innies and outies, IQ, killer, killer sudoku, Killer Sudokus, outie, OUTIES, rule of 45, solving technique, technique
3 Responses
Killer Sudoku solving tip 2.
Ok I know that not everybody is good with math so here is a little tool that you could use to figure out different combinations of digits that could go into a ‘cage’. First enter the cage sum displayed in Samunamupure and then enter the total number of cells in that cage. You will automatically […]
Posted in Killer Sudoku, Solving tips
Tagged killer, killer sudoku, samunamupure, solving tip
4 Responses
Samunamupure solving tip 1.
The following list contains ALL possible cage sums that have only one solution for the corresponding number of cells in the cage. You may use this list to help you solve Samunamupure puzzles: doubles 3=1+24=1+316=7+917=8+9 triplets 6=1+2+37=1+2+423=6+8+924=7+8+9 quads 10=1+2+3+411=1+2+3+529=5+7+8+930=6+7+8+9 5 cells 15=1+2+3+4+516=1+2+3+4+634=4+6+7+8+935=5+6+7+8+9 6 cells 21=1+2+3+4+5+622=1+2+3+4+5+738=3+5+6+7+8+939=4+5+6+7+8+9 7 cells 28=1+2+3+4+5+6+729=1+2+3+4+5+6+841=2+4+5+6+7+8+942=3+4+5+6+7+8+9 8 cells 36=1+2+3+4+5+6+7+837=1+2+3+4+5+6+7+938=1+2+3+4+5+6+8+939=1+2+3+4+5+7+8+940=1+2+3+4+6+7+8+941=1+2+3+5+6+7+8+942=1+2+4+5+6+7+8+943=1+3+4+5+6+7+8+944=2+3+4+5+6+7+8+9 More tips coming soon!
