An avid puzzler, Carroll created the word ladder puzzle, which he called "Doublets", which was published in Vanity Fair magazine between 1879 and 1881. In 1982 a memorial stone to Carroll was unveiled at …

Alice chess rules can be adopted by practically any other chess variant too, by simply doubling the number of gameboards in the variant and applying the piece transfer policy (for example, …

Thus, the lottery money received was an interest-free loan to the government during the three years that the tickets ('without any Blankes') were sold. In later years, the government sold the lottery ticket …

The Wikipedia article edit window is not designed for side-by-side editing, due to the formatted article preview usually being on the top half of the page, and the edit buffer being typically far below (near …

Ancient Egyptian texts could be written in either hieroglyphs or in hieratic. In either representation the number system was always given in base 10. The number 1 was depicted by a simple stroke, the …

The crater Tai-yu on asteroid 433 Eros was named after her. In the song "Games Without Frontiers" by Peter Gabriel, Lin Tai Yu is mentioned. In the novel "Want" by Cindy Pon, the heroine Daiyu is named …

The tomb was closed to the public in 1950 because of various problems that threatened the paintings, which are considered to be the best preserved and most eloquent decorations of any Egyptian burial …

Problems can be contrasted with tactical puzzles often found in chess columns or magazines in which the task is to find the best move or sequence of moves (usually leading to mate or gain of material) …