The was a tournament used in
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, by the
Nihon Ki-in and
Kansai Ki-in, to determine the ranking of its
go professionals on the
dan scale. It was instituted in the 1920s soon after the Ki-in was set up in 1924. Initially it was run in Spring and Autumn sessions in
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
, with the pros brought together to play around eight games in each session (the name means simply "grand meeting"). It has currently ceased to exist after it was replaced by new reforms.
Professionals in the Nihon Ki-in could claim promotions based on their performance in the Oteai. To qualify for a promotion, players had to win a certain percentage of a certain number of successive games. The proportion, and number of games depended on the player's current rank, with qualification obviously becoming more stringent as one progressed.
External links
Sensei's Library: Oteai
Go competitions in Japan
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