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2nd Ryusei title

Four times 24 players play a ladder. The winner of each ladder and the player with most wins proceed to the 8-player knockout tournament. Time is 30 secs/move, 10 times 1 minute. Komi is 5.5.

The four ladders

Group A

date black white result #mv sgf
1991-07-22 Yamada Kimio Yo Kagen B+5.5 313 sgf
1991-08-19 Yamada Kimio Nishimura Keiji B+R 141 sgf
1991-08-26 Sasaki Tadashi Yamada Kimio W+1.5 219 sgf
1991-09-09 Yamada Kimio Oto Shozo B+R 113 sgf
1991-09-24 Cho Sonjin Yamada Kimio B+4.5 227 sgf
1991-09-30 Kanagawa Masaaki Cho Sonjin W+R 148 sgf
1991-10-21 Kasai Koji Cho Sonjin W+R 206 sgf
1991-10-28 Michael Redmond Cho Sonjin W+R 236 sgf
1991-11-18 Narusawa Yasuichi Cho Sonjin W+R 118 sgf
1991-12-02 Kitamura Hiroshi Cho Sonjin B+0.5 268 sgf
1991-12-09 Kitamura Hiroshi Hikosaka Naoto W+R 194 sgf
1991-12-24 Inoue Kunio Hikosaka Naoto W+R 214 sgf
1992-01-20 Hikosaka Naoto Oeda Yusuke B+R 235 sgf
1992-02-18 O Rissei Hikosaka Naoto B+6.5 262 sgf
1992-02-24 O Rissei Sonoda Yuichi W+R 264 sgf
1992-03-02 Nakamura Hidehito Sonoda Yuichi W+2.5 278 sgf
1992-03-16 Sakai Takeshi Sonoda Yuichi W+R 290 sgf
1992-03-30 Kojima Takaho Sonoda Yuichi B+R 185 sgf
1992-04-13 Tozawa Akinobu Kojima Takaho B+6.5 260 sgf
1992-04-27 Ohira Shuzo Tozawa Akinobu B+R 71 sgf
1992-05-11 Ohira Shuzo Kajiwara Takeo B+R 207 sgf
1992-06-01 Sakata Eio Ohira Shuzo W+R 168 sgf
1992-06-15 Cho Chikun Ohira Shuzo B+R 119 sgf

Winner: Cho Chikun
Most wins (5): Cho Sonjin

Group B

date black white result #mv sgf
1991-06-24 Sakai Maki Kato Atsushi W+5.5 233 sgf
1991-07-01 Kato Atsushi Morita Michihiro B+R 193 sgf
1991-08-19 Kato Atsushi Shimoji Gensho B+R 173 sgf
1991-09-02 Kobayashi Chizu Kato Atsushi W+10.5 284 sgf
1991-09-09 Kato Atsushi Yuki Satoshi W+R 186 sgf
1991-09-17 Yuki Satoshi Onda Yasuhiko B+R 165 sgf
1991-10-07 Yuki Satoshi Taniguchi Toshinori B+9.5 211 sgf
1991-11-05 Yuki Satoshi Komatsu Hideki B+5.5 273 sgf
1991-11-18 Yuki Satoshi Ishikura Noboru B+R 233 sgf
1991-12-02 Honma Akio Yuki Satoshi B+R 77 sgf
1991-12-16 Honma Akio Kanda Ei W+0.5 260 sgf
1992-01-07 Kanda Ei Tokimoto Hajime B+0.5 281 sgf
1992-01-20 Kosugi Kiyoshi Kanda Ei B+3.5 213 sgf
1992-02-03 Kiyonari Tetsuya Kosugi Kiyoshi B+R 203 sgf
1992-02-17 Kiyonari Tetsuya Kamimura Haruo B+0.5 277 sgf
1992-03-09 Ishida Akira Kiyonari Tetsuya W+4.5 216 sgf
1992-03-16 Kiyonari Tetsuya Sakaguchi Ryuzo B+R 175 sgf
1992-03-23 Ishigure Ikuro Kiyonari Tetsuya W+0.5 270 sgf
1992-04-13 Ishii Kunio Kiyonari Tetsuya W+0.5 253 sgf
1992-04-20 Hashimoto Shoji Kiyonari Tetsuya B+8.5 287 sgf
1992-05-18 Yamabe Toshiro Hashimoto Shoji W+R 228 sgf
1992-06-01 Ishida Yoshio Hashimoto Shoji B+R 167 sgf
1992-06-15 Ishida Yoshio Takemiya Masaki B+0.5 248 sgf

Winner: Ishida Yoshio
Most wins (6): Kiyonari Tetsuya

Group C

date black white result #mv sgf
1991-06-17 Iguchi Hideichiro Kurotaki Masanori W+0.5 306 sgf
1991-07-01 Kurotaki Masanori Hoshino Masaki W+R 214 sgf
1991-08-05 Hoshino Masaki So Kofuku B+2.5 323 sgf
1991-09-02 Hoshino Masaki Kanai Tenpei B+R 251 sgf
1991-09-24 Hoshino Masaki Kawai Tetsuyuki B+3.5 225 sgf
1991-09-30 Obuchi Morito Hoshino Masaki W+12.5 292 sgf
1991-10-14 Hashimoto Yujiro Hoshino Masaki B+10.5 271 sgf
1991-10-28 Sato Kaoru Hashimoto Yujiro B+R 167 sgf
1991-11-05 Hidaka Toshiyuki Sato Kaoru W+3.5 245 sgf
1991-11-11 Shirae Haruhiko Sato Kaoru B+R 159 sgf
1991-11-25 Ogata Masaki Shirae Haruhiko B+R 131 sgf
1991-12-09 Aragaki Takeshi Ogata Masaki W+R 224 sgf
1992-01-13 Kamimura Kunio Ogata Masaki B+2.5 305 sgf
1992-01-27 Imamura Toshiya Kamimura Kunio B+R 121 sgf
1992-02-10 Imamura Toshiya Kubo Katsuaki B+R 199 sgf
1992-02-24 Imamura Toshiya Kanashima Tadashi B+7.5 259 sgf
1992-03-09 Imamura Toshiya Hisajima Kunio B+5.5 290 sgf
1992-03-30 Imamura Toshiya Haruyama Isamu B+2.5 277 sgf
1992-04-06 Sanno Hirotaka Imamura Toshiya B+R 261 sgf
1992-04-27 Sanno Hirotaka Ishii Mamoru W+0.5 231 sgf
1992-05-11 Ishii Mamoru Kano Yoshinori W+7.5 213 sgf
1992-05-25 Otake Hideo Kano Yoshinori B+R 211 sgf
1992-06-08 Otake Hideo Rin Kaiho B+R 167 sgf

Winner: Otake Hideo
Most wins (5): Imamura Toshiya

Group D

date black white result #mv sgf
1991-07-08 Ryu Shikun Nakamura Shinya B+R 159 sgf
1991-08-05 Ueki Yoshio Ryu Shikun W+R 126 sgf
1991-08-26 Fujisawa Kazunari Ryu Shikun B+0.5 285 sgf
1991-09-17 Fujisawa Kazunari Ono Nobuyuki B+R 121 sgf
1991-10-07 Fujisawa Kazunari Su Kaiseki B+R 169 sgf
1991-10-14 Fujisawa Kazunari Imamura Yoshiaki W+4.5 245 sgf
1991-10-21 Nobuta Shigehito Imamura Yoshiaki W+R 224 sgf
1991-11-11 Imamura Yoshiaki Akedo Kazumi B+R 147 sgf
1991-11-25 Imamura Yoshiaki Oya Koichi W+6.5 248 sgf
1991-12-16 Iwata Hajime Oya Koichi B+R 163 sgf
1991-12-24 Goto Shungo Iwata Hajime W+R 242 sgf
1992-01-07 Iwata Hajime Ko Mosei W+R 122 sgf
1992-01-13 Saijo Masataka Ko Mosei W+R 174 sgf
1992-01-27 Kaji Kazutame Ko Mosei W+0.5 290 sgf
1992-02-03 Yamashiro Hiroshi Ko Mosei B+R 189 sgf
1992-02-17 Yamashiro Hiroshi Awaji Shuzo W+12.5 250 sgf
1992-03-02 Ota Seido Awaji Shuzo W+R 206 sgf
1992-03-23 Honda Kunihisa Awaji Shuzo B+R 181 sgf
1992-04-06 Kurosawa Tadanao Honda Kunihisa W+1.5 250 sgf
1992-04-20 Honda Kunihisa Kudo Norio B+4.5 248 sgf
1992-05-18 Honda Kunihisa Okubo Ichigen B+R 225 sgf
1992-05-25 Sugiuchi Masao Honda Kunihisa W+9.5 298 sgf
1992-06-08 Hane Yasumasa Honda Kunihisa W+R 160 sgf

Winner: Honda Kunihisa
Most wins (6): Honda Kunihisa
2nd most wins (3): Ko Mosei

2nd Ryusei Title

Ko Mosei Cho Sonjin
W+7.5		 Cho Chikun
B+2.5		 Otake Hideo
W+4.5
Cho Sonjin
Kiyonari Tetsuya Cho Chikun
W+R
Cho Chikun
Ishida Yoshio Honda Kunihisa
B+1.5		 Otake Hideo
B+R
Honda Kunihisa
Imamura Toshiya Otake Hideo
W+R
Otake Hideo

Semifinals and Final:

date black white result #mv sgf
1992-07-20 Cho Chikun Cho Sonjin B+2.5 293 sgf
1992-08-03 Otake Hideo Honda Kunihisa B+R 179 sgf
1992-08-16 Cho Chikun Otake Hideo W+4.5 259 sgf