Nihon Ki-in

Its innovations include the Oteai system of promotion, time limits in professional games, and the introduction of issuing diplomas to strong amateur players, to affirm their ranks.

The vast majority of pros at the time joined the fledgling organization, excepting the Inoue faction in Osaka and Nozawa Chikucho.

A brief splinter group called Kiseisha was created soon after the Nihon Ki-in was formed, but most of the players involved had returned to the Nihon Ki-in within a couple of years.

The major title tournaments include the Kisei, Meijin, Honinbo, Judan, Tengen, Gosei, and the Oza.

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