Tag Archives: BRAIN

Non Consecutive and Consecutive Sudoku

By djape | Published: April 17, 2014
Here is another multi sudoku puzzle, although this one consists of just two overlapping sub puzzles with very similar rules. Top puzzle is non consecutive sudoku. Again, as many times before, I warn you: it looks like just vanilla sudoku, but you must follow an additional rule: two consecutive numbers cannot be placed orthogonally next […]
Non Consecutive Sudoku book, volume 2

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , | 2 Responses

Poker Straights

By djape | Published: January 31, 2014
Here is a new kind of puzzle, for this site for sure and at least I haven’t seen them elsewhere! Remember the Straights puzzle? Well, this is kind of like it… but it’s called POKER Straights. The reason being that there are all 13 “cards” in play… from 2 to 10 and then Jack, Queen, […]
Sudoku Straights, where Poker meets Sudoku

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Jigsaw Tridoku

By djape | Published: January 23, 2014
I’ve previously posted one Jigsaw Tridoku puzzle and it was labeled THINKER. This one is a bit more difficult (or so I think?) and it’s labeled BRAIN. So… if you are unfamiliar with this concept, make sure to have a look at my introductory article on Triangular Sudoku. The rules and solving methods are there, […]
Tridoku book Large print

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Cutting Edge Sudoku Variants

By djape | Published: December 3, 2013
A new Sudoku Variants book has been published! Those of you who receive my newsletter have already been notified about this, but here is the official announcement again. Cutting Edge Sudoku Three Sudoku Variants to Hone Your Brain The three kinds of Sudokus in this book are: Outside Sudoku Flower Sudoku Conscutive Sudoku IMPORTANT: This […]
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Futoshiki

By djape | Published: September 5, 2013
The rules of Futoshiki are very simple: 1. The grid is square and can be of any size. Use numbers 1 to the size of the grid to solve the puzzle. 2. Numbers cannot be repeated in a row or column. All numbers must appear in each row and in each column. 3. The “more […]
Futoshiki plus gifts

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Difficult Killer Sudoku book

By djape | Published: May 21, 2013
Perhaps you’ve already noticed the cover of my new Killer Sudoku book. In case you haven’t, here is a proper presentation of this new and fiendish sudoku book. So… many of you have asked for a book with only the most difficult of my Killer Sudokus. In “Revenge of Killer Sudoku 6” I dropped the […]
Posted in Killer Sudoku, Puzzle books | Also tagged , , , , , , , , , , | 5 Responses

Pirates’ Games

By djape | Published: January 29, 2013
This is not a puzzle related post. 🙂 It’s a brain teaser (I used to post brain teasers years ago). I’ve been studying game theory lately and wanted to share one “classic” problem of this discipline with you. See if you can solve it by yourself. Post your solution as comments below this post. So… […]
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