Questions tagged [reference-request]
For questions seeking references, e.g. to literature about puzzling or to a specific puzzle.
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Was Exhibit 5 of the Chaocipher ever solved, and if so who solved it and when?
Was Exhibit 5 of the Chaocipher (published c.1991) ever solved, and if so, who solved it and when?
Chaocipher is a cipher that was created by J.F. Byrne in 1918 as a machine-based cryptography system,...
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Seeking Software to Convert Line Drawings into Connect-the-Dots Puzzles
I am on the lookout for a software solution, whether free or premium, that is capable of transforming line drawing images into connect-the-dots puzzles. My interest lies in both vector and bitmap ...
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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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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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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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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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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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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), the "Census puzzle" (mathsisfun.com, YouTube video), ...
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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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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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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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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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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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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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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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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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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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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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