Perfect information is a concept in game theory and economics that describes a situation where all players in a game or all participants in a market have knowledge of all relevant information in the s
Chess is a game of perfect information
Poker is a game of imperfect information as opponents' private cards are not known
Go, Weiqi, or Baduk is an abstract strategy board game for two players in which the aim is to fence off more territory than the opponent. The game was invented in China more than 2,500 years ago and i
Perfect information
…each player can see all the pieces on the board at all times. Other games with perfect information include tic-tac-toe, Reversi, checkers, shogi, and Go. Academic literature has not produced consensus on a standard definition of perfect information which defines whether games with chance, but no secret…
Go is played on a grid (usually 19×19). Game pieces (stones) are placed on the grid line intersections.
Model of a 19×19 Go board, from a tomb of the Sui dynasty (581–618 CE)
Painting of a woman playing Go, from the Astana Graves. Tang dynasty, c. 744 CE.
Li Jing playing Go with his brothers. Detail from a painting by Zhou Wenju (fl. 942–961 CE), Southern Tang dynasty.