List of Impossible Puzzles

This is a list of puzzles which have been proven impossible. An impossible puzzle is a puzzle that cannot be solved by following the directions or criteria for that puzzle.

  • Mutilated chessboard problem
  • Some variations of Fifteen puzzle
  • Three-colouring the edges of the Petersen graph
  • Seven Bridges of K√∂nigsberg
  • Water, gas, and electricity
  • Three cups problem

Famous quotes containing the words list of, puzzles, list and/or impossible:

    The advice of their elders to young men is very apt to be as unreal as a list of the hundred best books.
    Oliver Wendell Holmes, Jr. (1841–1935)

    Nothing puzzles me more than time and space; and yet nothing troubles me less, as I never think about them.
    Charles Lamb (1775–1834)

    Modern tourist guides have helped raised tourist expectations. And they have provided the natives—from Kaiser Wilhelm down to the villagers of Chichacestenango—with a detailed and itemized list of what is expected of them and when. These are the up-to- date scripts for actors on the tourists’ stage.
    Daniel J. Boorstin (b. 1914)

    ... for the modern soul, for which it is mere child’s play to bridge oceans and continents, there is nothing so impossible as to find the contact with the souls dwelling just around the corner.
    Robert Musil (1880–1942)