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Xiangqi ( Chinese: 象棋; pinyin: xiàngqí; Wade–Giles: Hsiang ch'i; English: / ˈʃɑːŋtʃi / ), commonly known as Chinese chess or elephant chess, is a strategy board game for two players. It is the most popular board game in China. Xiangqi is in the same family of games as shogi, janggi, Western chess, chaturanga, and Indian chess.
Wolf, goat and cabbage problem. Illuminated illustration depicting the wolf, goat and cabbage problem in the Ormesby Psalter, dating to 1250–1330. The wolf, goat and cabbage problem is a river crossing puzzle. It dates back to at least the 9th century, [1] and has entered the folklore of several cultures. [2] [3]
River crossing puzzle. A river crossing puzzle is a type of puzzle in which the object is to carry items from one river bank to another, usually in the fewest trips. The difficulty of the puzzle may arise from restrictions on which or how many items can be transported at the same time, or which or how many items may be safely left together. [1]
A scorpion wants to cross a river but cannot swim, so it asks a frog to carry it across. The frog hesitates, afraid that the scorpion might sting it, but the scorpion promises not to, pointing out that it would drown if it killed the frog in the middle of the river. The frog considers this argument sensible and agrees to transport the scorpion.
Charon. Attic red-figure lekythos attributed to the Tymbos painter showing Charon welcoming a soul into his boat, c. 500–450 BC. In Greek mythology, Charon or Kharon ( / ˈkɛərɒn, - ən / KAIR-on, -ən; Ancient Greek: Χάρων) is a psychopomp, the ferryman of the Greek underworld. He carries the souls of those who have been given ...
The heavenly river ( Milky Way) separates them. The Cowherd and the Weaver Girl are characters found in Chinese mythology and appear eponymously in a romantic Chinese folk tale. The story tells of the romance between Zhinü ( 織女; the weaver girl, symbolized by the star Vega) and Niulang ( 牛郎; the cowherd, symbolized by the star Altair ...
The Eight Immortals ( Chinese: 八仙) are a group of legendary xian (immortals) in Chinese mythology. Each immortal's power can be transferred to a vessel ( 法器) that can bestow life or destroy evil. Together, these eight vessels are called the "Covert Eight Immortals" ( 暗八仙 ). Most of them are said to have been born in the Tang or ...
The missionaries and cannibals problem, and the closely related jealous husbands problem, are classic river-crossing logic puzzles. [1] The missionaries and cannibals problem is a well-known toy problem in artificial intelligence, where it was used by Saul Amarel as an example of problem representation. [2] [3]