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Loyd had a friend who was willing to wager that he could always find the piece which delivered the principal mate of a chess problem. Loyd composed this problem as a joke and bet his friend dinner that he could not pick a piece that didn't give mate in the main line (his friend immediately identified the pawn on b2 as being the least likely to deliver mate), and when the problem was published ...
The Puzzle King: Sam Loyd's Chess Problems and Selected Mathematical Puzzles (ISBN 1-886846-05-7): edited by Sid Pickard; Sam Loyd's Cyclopedia of 5000 Puzzles, Tricks and Conundrums with Answers ISBN 0-923891-78-1 – Complete 1914 book (public domain) scanned; The 8th Book of Tan (1903).
The n puzzle is a classical problem for modeling algorithms ... Chess world champion Bobby Fischer was an expert at ... Sam Loyd's 1914 illustration of the unsolvable ...
In 1867, in the French chess journal Le Sphinx, an intellectual precursor to the nine dots puzzle appeared credited to Sam Loyd. [1] [2] Said chess puzzle corresponds to a "64 dots puzzle", i.e., marking all dots of an 8-by-8 square lattice, with an added constraint. [a] The Columbus Egg Puzzle from The Strand Magazine, 1907
Between the years of 1855 and 1910, Sam Loyd produced a number of puzzles and chess problems for a variety of newspapers and magazines. These included the New York Courier and Our Puzzle Magazine. The White Horse Monument was his most successful puzzle, which was based on the White Horse Monument in Berkshire, UK.
Sam Loyd's chessboard paradox demonstrates two rearrangements of an 8×8 square. In the "larger" rearrangement (the 5×13 rectangle in the image to the right), the gaps between the figures have a combined unit square more area than their square gaps counterparts, creating an illusion that the figures there take up more space than those in the ...
Eugene B. Cook (1830–1915) and Sam Loyd edited the chess problems section. Running for only five volumes, [2] the magazine is perhaps best remembered today for a series of articles written by Silas Mitchell regarding The Turk, the chess-playing machine that perished in a fire in Philadelphia prior to the publication of the magazine.
A chess problem theme in which a pawn on its starting square in the initial position moves the length of the board to be promoted during the course of the solution. Named after one such problem by Sam Loyd; see Excelsior (chess problem).