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Samuel Loyd (January 30, 1841 – April 10, 1911 [1]) was an American chess player, chess composer, puzzle author, and recreational mathematician. Loyd was born in Philadelphia but raised in New York City .
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 ...
This was later discovered in his notes after his death. The American puzzle inventor Sam Loyd claimed to have presented the chessboard paradox at the world chess congress in 1858 and it was later contained in Sam Loyd's Cyclopedia of 5,000 Puzzles, Tricks and Conundrums (1914), which was posthumously published by his son of the same name. The ...
The shortest known stalemate, composed by Sam Loyd, involves the sequence 1.e3 a5 2.Qh5 Ra6 3.Qxa5 h5 4.Qxc7 Rah6 5.h4 f6 6.Qxd7+ Kf7 7.Qxb7 Qd3 8.Qxb8 Qh7 9.Qxc8 Kg6 10.Qe6 (diagram).
Chess world champion Bobby Fischer was an expert at solving the 15 puzzle. [19] ... Sam Loyd's 1914 illustration of the unsolvable variation.
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
Chess player and recreational mathematician Sam Loyd patented rotary vanishing puzzles in 1896 and published versions named Get Off the Earth, Teddy and the Lion and The Disappearing Bicyclist (pictured). Each had a circular card connected to a cardboard backdrop with a pin, letting it freely rotate.
Sam Loyd's chess problem Excelsior was named for this poem. In Italy S.A.T., the Tridentin Alpine Society which is the largest section of the Italian Alpine Club (C.A.I) has "Excelsior" as its motto referring to the poem of Longfellow.