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本人從維基百科節錄,只列出重要部份。
Go is a strategic board game for two players. It is known as Weiqi in Chinese (Traditional Chinese: 圍棋; Simplified Chinese: 围棋), Igo or Go in Japanese (Kanji: 囲碁 or 碁), and Baduk or Paduk (Hangul: 바둑), sometimes Gi (기;棋 or 碁) in Korean. Go originated in ancient China, centuries before its earliest known references in 5th century BC writing. It is mostly popular in East Asia, but has nowadays gained some popularity in the rest of the world as well. Go is noted for being rich in strategic complexity despite its simple rules.
Go is played by two players alternately placing black and white stones on the vacant intersections of a line grid. The standard size of this grid is 19 × 19, although the rules of Go can be freely applied to any size. 13 × 13 and 9 × 9 are also popular choices for more simple and tactic-oriented games as well as a way to introduce Go to new players. The objective is to control a larger part of a board than the opponent as a result of having placed one's stones such that they form territories that cannot be captured by the opponent. A stone or a group of stones is captured and removed if it has no empty adjacent intersections, the result of being completely surrounded by stones of the opposing color. The game ends and the score is counted when both players consecutively pass on a turn, indicating that neither side can increase its territory or reduce its opponent's.
其餘的可參考
http://en.wikipedia.org/wiki/Go_%28board_game%29