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The 16th Tengen League

Below the tournament table for the 16th Tengen League (1990). Kobayashi Koichi became challenger, but was defeated 1-3 by the title holder Rin Kaiho (B+R, B+0.5, W+R, B+3.5).

Oyama
Kunio
Oyama
Kunio
(W+R)
Oyama Kunio
(W+R)
Yamashiro Hiroshi
(W+3.5)
Fujisawa
Hideyuki
(B+3.5)
Sonoda
Yuichi
(B+4.5)
Kobayashi
Koichi
(B+R)
Imamura
Yoshiaki
Takabayashi Masahiro
Yamashiro Hiroshi Yamashiro Hiroshi
(W+R)
Cho Chikun
Fujisawa Hideyuki Fujisawa Hideyuki
(B+R)
Fujisawa Hideyuki
(B+2.5)
Sato Masaharu
Hikosaka Naoto Hikosaka Naoto
(W+R)
Sanno Hirotaka
Sonoda Yuichi Sonoda Yuichi
(B+R)
Sonoda Yuichi
(B+R)
Sonoda
Yuichi
(W+R)
Yoda Norimoto
Miyazawa Goro Miyazawa Goro
(W+R)
Chan Kaei
Kiyonari Tetsuya Kiyonari Tetsuya
(B+1.5)
Kiyonari Tetsuya
(B+R)
Otake Hideo
Awaji Shuzo Awaji Shuzo
(B+R)
Shiraishi Yutaka
Kobayashi Koichi Kobayashi Koichi
(B+R)
Kobayashi Koichi
(W+4.5)
Kobayashi
Koichi
(W+2.5)
Kobayashi
Koichi
(B+R)
Nakamura Hidehito
Sakai Takeshi Sakai Takeshi
(B+R)
Ushikubo Yoshitaka
Imamura Toshiya Imamura Toshiya
(W+R)
Imamura Toshiya
(W+R)
Tokimoto Hajime
Nakano Hironari Nakano Hironari
(B+R)
Onda Yasuhiko
Ohira Shuzo Ohira Shuzo
(W+R)
Ohira Shuzo
(W+1.5)
Sakata Eio
Yuki Satoshi Yuki Satoshi
(B+2.5)
Tei Meiko
Hane Yasumasa Hane Yasumasa
(W+11.5)
*Both lost*
Kori Toshio
Haruyama Isamu Haruyama Isamu
(B+2.5)
Hashimoto Shoji

In the game between Hane Yasumasa and Haruyama Isamu, White played move 242 at position J13 where he had earlier played move 46, but that stone had accidentally been moved to H13 and neither player had noticed. It was decided that both players lost this game.