Questions tagged [reference-request]

For questions seeking references, e.g. to literature about puzzling or to a specific puzzle.

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1 answer
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Seeking a list of words formed from existing words

Recently, I asked for some assistance on word formation. The respondent provided me with the Qat website which was perfect. I have another question. I would like to generate a list of words where ...
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6 votes
1 answer
298 views

Seeking lists of words formed from an existing word

Where is a resource that lists words that can become another word with the addition of one letter while still maintaining the order of the letters? For example, adding an "I" to SLANDER ...
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-1 votes
1 answer
141 views

How to arrange the colored cells in game grid?

Puzzle: In a game grid some cells are missing. Each line has only one colored cell with a label (a number greater than zero). This is an example grid and the number of columns/rows can be less than ...
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1 vote
1 answer
227 views

any tools/sites/algorithms to decipher garbled text based on improper hand position on a keyboard?

Not sure if this is the proper place to ask, but I sometimes come across garbled text (see example below). My suspicion is that the garbled text is due to a person temporarily placing their hands in ...
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  • 113
8 votes
1 answer
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Wanted: Sudoku data in CSV

I am a computer science student looking for unsolved sudoku games that are valid and available in a comma separated text file. Does such a prepared data set exist and where can I find such a data set? ...
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  • 181
5 votes
1 answer
294 views

Origin of the "Ages of Three Children" puzzle (Census-taker problem)

There is this puzzle and many variations of it, but it usually comes by as "Ages of Three Children puzzle" (wikipedia article), or as the "Census puzzle" (mathsisfun.com, youtube ...
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  • 2,798
3 votes
1 answer
527 views

How many unique "miracle sudokus" are there?

The following "Miracle Sudoku" puzzle contains only two starting numbers, plus some additional rules that end up revealing the whole board: https://www.youtube.com/watch?v=yKf9aUIxdb4 (or Sudoku ...
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  • 191
2 votes
0 answers
82 views

Looking for a book or collection of specific type of puzzles

This is a reference request: my apologies in advance if it's not entirely appropriate for this SE. I recently came across this little puzzle: There are 20 apples in a basket on the floor. Around the ...
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3 votes
1 answer
176 views

Where can I get free words list for my word games?

I'm making word games. Where can I find free word lists (English, French and German) that are free to use, even for commercial purposes?
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2 votes
0 answers
334 views

Most objective online linkable sudoku grader?

A Sudoku's difficulty level is often the first thing readers notice about a puzzle. For questions and answers showing a puzzle it would be nice to have a relatively objective linkable tester. I've ...
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  • 413
0 votes
2 answers
378 views

CiSRA Puzzle Hunt Backups?

I found this article describing what makes a good puzzle, and it references several puzzles which, as best as I can tell, were designed for something called the CiSRA Puzzle Hunt. However, the website ...
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  • 455
1 vote
1 answer
164 views

Listing of New York Times celebrity crosswords?

The New York Times crossword for Friday May 12 was co-authored by Bill Clinton, as part of an ongoing series of celebrity crosswords. Actor Jesse Eisenberg did one too. Is there a way to get a list ...
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7 votes
2 answers
2k views

How do you decrypt a keyword transposition cipher without keyword?

I have computed the keyword length using I.C. but I don't know how to derive the first keyword. This polyalphabetic cryptogram requires two keywords to break, but I am not sure how to get either of ...
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  • 71
5 votes
1 answer
504 views

References - In what order should I start reading the books by Raymond Smullyan?

The books by Raymond Smullyan have caught my fancy because they seem to teach mathematical logic using puzzles. However since I am very weak at solving puzzles in general and logic puzzles in specific,...
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  • 175
5 votes
2 answers
1k views

Where can I find diagramless fill-in puzzles?

From the answers that I got over here, I found out that the type of puzzle that I was looking for would be referred to as diagramless fill-in puzzle. (A cross of a diagramless crossword and a fill-in ...
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  • 231
4 votes
5 answers
520 views

Good resource for daily Sudoku Puzzles [closed]

I love solving puzzles, It keeps my brain active. Previously I used to solve newspaper "Sudoku" which were fairly easy. Then I solved some interesting puzzles in the book below. Mastering ...
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