Game-deciding Ko

    Keywords: Ko, Go term

Chinese 1: 生死劫 (shēng sǐ jié)
Chinese 2: 天下劫 (tiān xià jié)
Japanese: 天下きかず (tenka-kikazu)
Korean: -

A ko which is so large that any ko threat on the board can be ignored, since winning the ko means winning the game. The Japanese, tenka-kikazu (or tenka-ko), means literally "there is no threat under the sun".

From [ext] Nihon Ki-in, Shin Hayawakari Yougo Kojiten: "Tenka-ko: a ko so large as to determine the outcome of the game (shoubu ga kimatte shimaru). A ko that, no matter where the other side plays a ko threat, if resolved yields victory (kachi ni naru)."

Bill: Shimau or shimaru? Japanese characters, please. :)


This is a copy of the living page "Game-deciding Ko" at Sensei's Library.
(OC) 2009 the Authors, published under the OpenContent License V1.0.
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