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A puzzle is a game, problem, or toy that tests a person's ingenuity or knowledge. In a puzzle, one is required to put pieces together in a logical way, in order to arrive at the correct solution of the puzzle. There are different types of puzzles for different ages, such as crossword puzzles, word-search puzzles, number puzzles, or logic puzzles.
Puzzles are often devised as a form of entertainment but they can also arise from serious mathematical or logistical problems. In such cases, their solution may be a significant contribution to mathematical research.
Solutions of puzzles often require the recognition of patterns and the creation of a particular kind of order. People with a high level of inductive reasoning aptitude may be better at solving such puzzles than others. But puzzles based upon inquiry and discovery may be solved more easily by those with good deduction skills. Deductive reasoning improves with practice.
The 1989 edition of the Oxford English Dictionary dates the word puzzle (as a verb) to the end of the 16th century. Its first documented use (to describe a new type of game) was in a book titled The Voyage of Robert Dudley...to the West Indies, 1594–95, narrated by Capt. Wyatt, by himself, and by Abram Kendall, master (published circa 1595). The word later came to be used a noun.
The word puzzle comes from pusle "bewilder, confound" which is a frequentive of the obsolete verb pose (from Medieval French aposer) in sense of "perplex". The meaning of the word as "a toy contrived to test one's ingenuity" is relatively recent (within mid-19th century).
jigsaw puzzle was created around 1760, when John Spilsbury, a British engraver and cartographer, mounted a map on a sheet of wood, which he then sawed around the outline of each individual country on the map. He then used the resulting pieces as an aid to the teaching of geography.
After becoming popular among the public, this kind of teaching aid remained the primary use of jigsaw puzzles until about 1820.
By the early 20th century, magazines and newspapers had found that they could increase their readership by publishing puzzle contests.
Organizations and events
There are organizations and events that cater to puzzle enthusiasts, such as the World Puzzle Championship, the National Puzzlers' League, and Ravenchase. There are also "puzzlehunts," such as the Maze of Games.
Types of puzzles
Puzzles can be divided into categories. For example a maze is a type of tour puzzle. Some other categories are construction puzzles, stick puzzles, tiling puzzles, transport puzzles, disentanglement puzzles, lock puzzles, folding puzzles, combination puzzles, and mechanical puzzles.
- A chess problem is a puzzle that uses chess pieces on a chess board. Examples are the knight's tour and the eight queens puzzle.
- Jigsaw puzzles.
- Lateral thinking puzzles, also called "situation puzzles"
- Mathematical puzzles include the missing square puzzle and many impossible puzzles — puzzles which have no solution, such as the Seven Bridges of Königsberg, the three cups problem, and three utilities problem
- Mechanical puzzles such as the Rubik's Cube and Soma cube
- Metapuzzles are puzzles which unite elements of other puzzles.
- Paper-and-pencil puzzles such as Uncle Art's Funland, connect the dots, and nonograms
- Peg solitaire
- A puzzle box is a puzzle that can be used to hide something — jewelry, for instance.
- Rubik's Cube and other combination puzzles can be stimulating toys for children or recreational activities for adults.
- Sangaku (Japanese temple tablets with geometry puzzles)
- Sliding puzzles (also called sliding tile puzzles) such as the 15 Puzzle and jigsaw puzzles. Puzz-3D is a three-dimensional variant of this type.
- Spot the difference
- Word puzzles, including anagrams, ciphers, crossword puzzles, and word search puzzles.
A completed jigsaw puzzle
- Kendall G.; Parkes A.; and Spoerer K. (2008) A Survey of NP-Complete Puzzles, International Computer Games Association Journal, 31(1), pp 13–34.
- History of Jigsaw Puzzles The American Jigsaw Puzzle Society
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