• Thumbnail for Sam Loyd
    Samuel Loyd (January 30, 1841 – April 10, 1911) was an American chess player, chess composer, puzzle author, and recreational mathematician. Loyd was born...
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  • Thumbnail for Famous Trick Donkeys
    Famous Trick Donkeys is a puzzle invented by Sam Loyd in 1858, first printed on a card supposed to promote P.T. Barnum's circus. At that time, the puzzle...
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  • Thumbnail for 15 puzzle
    15 puzzle (section Sam Loyd)
    1911, Sam Loyd claimed that he had invented the puzzle. However, Loyd had no connection to the invention or initial popularity of the puzzle. Loyd's first...
    17 KB (2,069 words) - 07:45, 9 July 2024
  • Thumbnail for Nine dots puzzle
    an intellectual precursor to the nine dots puzzle appeared credited to Sam Loyd. Said chess puzzle corresponds to a "64 dots puzzle", i.e., marking all...
    13 KB (1,441 words) - 17:29, 8 August 2024
  • The Sam Loyd Company is an organization based in the United States that specializes in puzzle games. The company was launched in 2002 after the work of...
    5 KB (554 words) - 02:45, 9 January 2023
  • Sam Loyd, London Era, 1861 "Excelsior" is one of Sam Loyd's most famous chess problems, originally published in London Era in 1861. In 1867, it participated...
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  • Thumbnail for Tangram
    by Sam Loyd. 1903 – via Tangram Channel. "The Magic Dice Cup". 2 April 2011. Loyd, Sam (1968). The eighth book of Tan – 700 Tangrams by Sam Loyd with...
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  • Thumbnail for Chessboard paradox
    diagonal. The paradox is sometimes attributed to the American puzzle inventor Sam Loyd (1841–1911) and the German mathematician Oskar Schlömilch (1832–1901)....
    13 KB (2,246 words) - 11:43, 20 September 2024
  • Thumbnail for Henry Dudeney
    " Much of this earlier work was a collaboration with American puzzlist Sam Loyd; in 1890, they published a series of articles in the English penny weekly...
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  • Emily Cox Henry Dudeney Tony Fisher Martin Gardner Scott Kim Lloyd King Sam Loyd Uwe Mèffert Larry D. Nichols Henry Rathvon Tom M. Rodgers Ernő Rubik Mike...
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  • Australian rules footballer for Western Bulldogs, formerly for Richmond Sam Loyd (1841–1911), American puzzle author and recreational mathematician This...
    444 bytes (82 words) - 09:45, 8 May 2021
  • Mathematics. USA: World Scientific. ISBN 9789811214509. Loyd, Sam (1959). Mathematical Puzzles of Sam Loyd (selected and edited by Martin Gardner), Dover Publications...
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  • Thumbnail for Nob Yoshigahara
    2003, the Association of Game & Puzzle Collectors awarded Nob with the Sam Loyd Award, given to individuals who have made a significant contribution to...
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  • Loyd may refer to: Loyd, Colorado Loyd, Illinois Loyd, Louisiana Loyd, Mississippi Loyd, Wisconsin, unincorporated community Loyd Auerbach, professor...
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  • 2006, the Association of Game & Puzzle Collectors awarded Slocum with the Sam Loyd Award. In 2006, Slocum donated over 30,000 puzzles to the Lilly Library...
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  • Thumbnail for Sliding puzzle
    sliding puzzle is the fifteen puzzle, invented by Noyes Chapman in 1880; Sam Loyd is often wrongly credited with making sliding puzzles popular based on...
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  • Loyd Jowers (November 20, 1926 – May 20, 2000) was an American restaurateur and the owner of Jim's Grill, a restaurant near the Lorraine Motel in Memphis...
    11 KB (1,204 words) - 05:19, 14 August 2024
  • and/or solves puzzles. Some notable creators of puzzles are: Ernő Rubik Sam Loyd Henry Dudeney Boris Kordemsky Will Shortz Oskar van Deventer Lloyd King...
    10 KB (1,193 words) - 16:17, 12 November 2024
  • Thumbnail for Ball-in-a-maze puzzle
    played at home, on buses, in the street, parks, and even by US politicians. Sam Loyd falsely claimed to have invented it in an interview in 1891. In some versions...
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  • Thumbnail for Will Shortz
    from Wabash College in Crawfordsville, Indiana. In 2012, he received the Sam Loyd Award from the Association for Games & Puzzles International for creating...
    24 KB (2,428 words) - 13:03, 8 November 2024
  • also tried to construct the shortest possible game ending in stalemate. Sam Loyd devised one just ten moves long: 1.e3 a5 2.Qh5 Ra6 3.Qxa5 h5 4.Qxc7 Rah6...
    56 KB (5,826 words) - 02:23, 1 November 2024
  • well-suited to newsprint Excelsior (chess problem), a chess problem by Sam Loyd Excelsior Amusement Park, located on Lake Minnetonka in the town of Excelsior...
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  • American Agriculturist disproves the popular notion that it was invented by Sam Loyd. The name "cryptarithm" was coined by puzzlist Minos (pseudonym of Simon...
    10 KB (1,432 words) - 12:19, 12 August 2024
  • Thumbnail for Back from the Klondike
    Journal and Advertiser on April 24, 1898. In introducing the puzzle, creator Sam Loyd describes it as having been constructed to specifically foil Leonhard Euler's...
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  • Thumbnail for Three utilities problem
    in The Strand Magazine in 1913. A competing claim of priority goes to Sam Loyd, who was quoted by his son in a posthumous biography as having published...
    25 KB (2,748 words) - 05:23, 28 April 2024
  • produces a Latvian Gambit, but 3.exf5!, as in a game between Steinitz and Sam Loyd, may be stronger. Here is a quick victory by Dunst himself against nine-time...
    21 KB (3,241 words) - 07:04, 2 October 2024
  • Thumbnail for Oskar Schlömilch
    in 1868 for the first time the dissection paradox, earlier invented by Sam Loyd. In 1862, he was elected a foreign member of the Royal Swedish Academy...
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  • February 21, 2018. Retrieved February 19, 2018. White, Alain Campbell (1913). Sam Loyd and His Chess Problems. New York Public Library: Dover Publications (1962...
    54 KB (5,340 words) - 09:20, 25 November 2024
  • Thumbnail for Hatter (Alice's Adventures in Wonderland)
    after many requests from readers, he and others—including puzzle expert Sam Loyd—suggested possible answers; in his preface to the 1896 edition of Alice's...
    33 KB (4,371 words) - 03:57, 31 October 2024
  • Thumbnail for Missing square puzzle
    puzzles are based on a few simple properties of the Fibonacci sequence. Sam Loyd's chessboard paradox demonstrates two rearrangements of an 8×8 square. In...
    8 KB (823 words) - 05:34, 6 February 2024