Kakuro puzzles online
The Kakuro puzzle is played in a grid of filled and barred cells, "black" and "white" respectively.The black cells contain a diagonal slash from upper-left to lower-right and a number in one or both halves, such that each horizontal entry has a number in the black half-cell to its immediate left and each vertical entry has a number in the black half-cell immediately above it.The object of the puzzle is to insert a digit from 1 to 9 inclusive into each white cell such that the sum of the numbers in each entry matches the clue associated with it and that no digit is duplicated in any entry.
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General info about Free Kakuro puzzles online (Kakuro puzzles) and other games
Kakuro puzzles History (wikipedia)
Number puzzles appeared in French newspapers in the late 19th century, It was not a Kakuro puzzles because it contained double-digit numbers and required arithmetic rather than logic to solve. On July 6, 1886, Le Siècle's rival, La France, refined the puzzle so that it was almost a modern Kakuro puzzles. According to Will Shortz, the modern Kakuro puzzles was most likely designed anonymously by Howard Garns, a 74-year-old retired architect and freelance puzzle constructor from Indiana, and first published in 1979 by Dell Magazines as Number Place (the earliest known examples of modern Kakuro puzzles). Garns' name was always present on the list of contributors in issues of Dell Pencil Puzzles and Word Games that included Number Place, and was always absent from issues that did not. He died in 1989 before getting a chance to see his creation as a worldwide phenomenon. It is unclear if Garns was familiar with any of the French newspapers listed above. The Kakuro puzzles puzzles was introduced in Japan by Nikoli in the paper Monthly Nikolist in April 1984 as Suji wa dokushin ni kagiru which can be translated as "the digits must be single" or "the digits are limited to one occurrence." (In Japanese,"dokushin" means an "unmarried person".) At a later date, the name was abbreviated to Kakuro puzzles by Maki Kaji , taking only the first kanji of compound words to form a shorter version. In 1986, Nikoli introduced two innovations: the number of givens was restricted to no more than 32, and puzzles became "symmetrical" (meaning the givens were distributed in rotationally symmetric cells). It is now published in mainstream Japanese periodicals, such as the Asahi Shimbun.
Articles about Kakuro puzzles
Crosswords and Kakuro puzzless can delay memory loss (telegraph.co.uk)
Researchers from Albert Einstein College of Medicine, in New York, found that performing a mental exercise twice a day could help delay the rapid memory loss associated with dementia for more than a year.
Crosswords and Kakuro puzzles’s burn up to 90 calories per hour Brain training experts confirmed today that mental exercise such as crosswords, Kakuro puzzless can burn an average of 90 calories every hour.