11th Ryusei title - 2002

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# 11th Ryusei title

Eight times 12 players play a ladder. The winner of each ladder and the player with most wins proceed to the 16-player knockout tournament. Time is 30 secs/move, 10 times 1 minute. Komi is 5.5.

## The eight ladders

### Group A

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-06 | Rin Shien | Iguchi Hideichiro | W+4.5 | 305 | sgf
2001-08-06 | Iguchi Hideichiro | Mizokami Tomochika | W+R | 172 | sgf
2001-09-17 | Sasaka Shiro | Mizokami Tomochika | W+R | 164 | sgf
2001-09-17 | Mizokami Tomochika | Hane Naoki | W+R | 164 | sgf
2001-10-29 | Ishida Atsushi | Hane Naoki | W+R | 132 | sgf
2001-10-29 | Hane Naoki | Chin Kaei | B+21.5 | 275 | sgf
2001-12-25 | Hiroe Hiroyuki | Hane Naoki | W+R | 176 | sgf
2001-12-25 | Hane Naoki | Kanda Ei | B+R | 245 | sgf
2002-01-28 | Hane Naoki | Fukui Susumu | B+R | 161 | sgf
2002-01-28 | Takemiya Masaki | Hane Naoki | B+4.5 | 224 | sgf
2002-04-01 | Takemiya Masaki | O Rissei | B+2.5 | 272 | sgf

Winner: Takemiya Masaki
Most wins (6): Hane Naoki

### Group B

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-21 | Miyagawa Fumihiko | Inori Yoko | B+R | 179 | sgf
2001-08-21 | So Yokoku | Miyagawa Fumihiko | B+9.5 | 239 | sgf
2001-10-01 | So Yokoku | Arimura Hiroshi | B+R | 173 | sgf
2001-10-01 | So Yokoku | Kitamura Hiroshi | W+0.5 | 247 | sgf
2001-11-26 | Kitamura Hiroshi | Nakaonoda Tomomi | W+12.5 | 253 | sgf
2001-11-26 | Nakaonoda Tomomi | Fukui Masaaki | B+R | 143 | sgf
2001-12-17 | Yokota Shigeaki | Nakaonoda Tomomi | W+3.5 | 248 | sgf
2001-12-17 | Nakaonoda Tomomi | Ogata Masaki | W+R | 198 | sgf
2002-02-04 | Ogata Masaki | Ishida Akira | W+R | 190 | sgf
2002-02-04 | Cho Sonjin | Ishida Akira | B+R | 127 | sgf
2002-03-04 | Cho Sonjin | O Meien | W+2.5 | 214 | sgf

Winner: O Meien
Most wins (3): Nakaonoda Tomomi

### Group C

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-09-03 | Miyazaki Ryutaro | Matsumoto Takehisa | W+4.5 | 243 | sgf
2001-09-03 | Matsumoto Takehisa | Cho U | B+R | 255 | sgf
2001-10-30 | Nakao Jungo | Matsumoto Takehisa | W+R | 162 | sgf
2001-10-30 | Honma Akio | Matsumoto Takehisa | W+4.5 | 184 | sgf
2001-12-11 | Hoshino Masaki | Matsumoto Takehisa | W+R | 200 | sgf
2001-12-11 | Matsumoto Takehisa | Kuwata Yasuaki | B+R | 201 | sgf
2002-01-14 | Matsumoto Takehisa | Morita Michihiro | W+2.5 | 282 | sgf
2002-01-14 | Imamura Toshiya | Morita Michihiro | B+R | 193 | sgf
2002-02-19 | Awaji Shuzo | Imamura Toshiya | W+R | 150 | sgf
2002-02-19 | Imamura Toshiya | Ishii Mamoru | B+R | 155 | sgf
2002-04-08 | Imamura Toshiya | Ryu Shikun | B+5.5 | 264 | sgf

Winner: Imamura Toshiya
Most wins (6): Matsumoto Takehisa

### Group D

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-09-11 | Kitano Ryo | Cho Riyu | W+4.5 | 243 | sgf
2001-09-11 | Takamizawa Tadao | Cho Riyu | W+8.5 | 239 | sgf
2001-10-16 | Cho Riyu | Kato Atsushi | W+R | 240 | sgf
2001-10-16 | Asano Hideaki | Kato Atsushi | W+R | 208 | sgf
2001-12-04 | Kato Atsushi | Izumitani Hideo | B+13.5 | 234 | sgf
2001-12-04 | Kato Atsushi | Narusawa Yasuichi | B+7.5 | 278 | sgf
2002-01-07 | Kato Atsushi | Yuki Satoshi | W+R | 154 | sgf
2002-01-07 | Yuki Satoshi | Yukawa Mitsuhisa | B+R | 175 | sgf
2002-02-12 | Sonoda Yuichi | Yuki Satoshi | W+0.5 | 302 | sgf
2002-02-12 | Yuki Satoshi | Chino Tadahiko | B+R | 129 | sgf
2002-04-08 | Yamashita Keigo | Yuki Satoshi | W+3.5 | 272 | sgf

Winner: Yuki Satoshi
Most wins (5): Yuki Satoshi
2nd most wins (4): Kato Atsushi

### Group E

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-28 | Kanazawa Hideo | Kato Tomoko | W+5.5 | 276 | sgf
2001-08-28 | Sakai Isao | Kato Tomoko | W+1.5 | 262 | sgf
2001-10-02 | Kato Tomoko | Sugimoto Akira | W+2.5 | 276 | sgf
2001-10-02 | Taniguchi Toshinori | Sugimoto Akira | W+5.5 | 264 | sgf
2001-11-27 | Aoki Kikuyo | Sugimoto Akira | B+R | 221 | sgf
2001-11-27 | Komatsu Fujio | Aoki Kikuyo | B+0.5 | 262 | sgf
2001-12-18 | Komatsu Fujio | Nakano Hironari | W+3.5 | 240 | sgf
2001-12-18 | Nakano Hironari | Goto Shungo | B+1.5 | 243 | sgf
2002-01-29 | Nakano Hironari | Hashimoto Yujiro | B+R | 93 | sgf
2002-01-29 | Ishii Kunio | Nakano Hironari | W+0.5 | 235 | sgf
2002-03-04 | Nakano Hironari | Cho Chikun | W+R | 164 | sgf

Winner: Cho Chikun
Most wins (4): Nakano Hironari

### Group F

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-27 | Kim Sujun | Kobayashi Izumi | B+R | 199 | sgf
2001-08-27 | Kim Sujun | Koyama Shizuo | B+R | 164 | sgf
2001-10-15 | Takao Shinji | Kim Sujun | W+1.5 | 286 | sgf
2001-10-15 | Kim Sujun | Hagiwara Mutsumi | B+10.5 | 260 | sgf
2001-12-10 | Kim Sujun | Matsuoka Hideki | B+R | 121 | sgf
2001-12-10 | Kim Sujun | So Kofuku | B+R | 93 | sgf
2002-01-21 | Yo Kagen | Kim Sujun | W+R | 188 | sgf
2002-01-21 | Kim Sujun | Michael Redmond | B+1.5 | 267 | sgf
2002-02-25 | Aragaki Takeshi | Kim Sujun | W+R | 232 | sgf
2002-02-25 | Kojima Takaho | Kim Sujun | W+R | 152 | sgf
2002-03-23 | Kobayashi Koichi | Kim Sujun | B+R | 265 | sgf

Winner: Kobayashi Koichi
Most wins (10): Kim Sujun

### Group G

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-13 | Kono Rin | Chinen Kaori | B+R | 155 | sgf
2001-08-13 | Kono Rin | Kasai Koji | B+R | 215 | sgf
2001-09-10 | Nakano Yasuhiro | Kono Rin | W+R | 132 | sgf
2001-09-10 | Kono Rin | Muramatsu Ryuichi | B+R | 233 | sgf
2001-11-12 | Kono Rin | Sakai Maki | B+6.5 | 247 | sgf
2001-11-12 | Fujisawa Kazunari | Kono Rin | W+4.5 | 291 | sgf
2001-12-24 | Kono Rin | Mimura Tomoyasu | W+R | 198 | sgf
2001-12-24 | Komatsu Hideki | Mimura Tomoyasu | B+1.5 | 270 | sgf
2002-02-05 | Komatsu Hideki | Kataoka Satoshi | B+R | 185 | sgf
2002-02-05 | Komatsu Hideki | Kamimura Kunio | W+31.5 | 293 | sgf
2002-02-26 | Kamimura Kunio | Rin Kaiho | W+R | 106 | sgf

Winner: Rin Kaiho
Most wins (6): Kono Rin

### Group H

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2001-08-20 | Kubo Hideo | Rin Kanketsu | W+R | 174 | sgf
2001-08-20 | Oki Keiji | Rin Kanketsu | W+R | 222 | sgf
2001-09-18 | Rin Kanketsu | Akiyama Jiro | W+R | 184 | sgf
2001-09-18 | Okada Shinichiro | Akiyama Jiro | W+R | 218 | sgf
2001-11-06 | Akiyama Jiro | Yamada Kimio | W+R | 178 | sgf
2001-11-06 | Enda Hideki | Yamada Kimio | W+R | 184 | sgf
2002-01-15 | Yamada Kimio | Ogaki Yusaku | W+1.5 | 240 | sgf
2002-01-15 | Aoki Shinichi | Ogaki Yusaku | W+R | 290 | sgf
2002-03-05 | Hasegawa Sunao | Ogaki Yusaku | B+6.5 | 249 | sgf
2002-03-05 | Hasegawa Sunao | Sakaguchi Ryuzo | W+R | 178 | sgf
2002-04-01 | Kato Masao | Sakaguchi Ryuzo | B+R | 161 | sgf

Winner: Kato Masao
Most wins (2): Ogaki Yusaku

## 11th Ryusei Title

Yuki Satoshi | Rin Kaiho B+R | Cho Chikun B+7.5 | O Meien B+6.5 | Kobayashi Koichi B+6.5
Rin Kaiho
Kono Rin | Cho Chikun B+R
Cho Chikun
Hane Naoki | Imamura Toshiya W+R | O Meien B+R
Imamura Toshiya
Matsumoto Takehisa | O Meien W+R
O Meien
Nakaonoda Tomomi | Kato Atsushi B+4.5 | Kato Masao B+6.5 | Kobayashi Koichi B+2.5
Kato Atsushi
Ogaki Yusaku | Kato Masao B+4.5
Kato Masao
Takemiya Masaki | Nakano Hironari W+4.5 | Kobayashi Koichi W+6.5
Nakano Hironari
Kim Sujun | Kobayashi Koichi B+R
Kobayashi Koichi

Semifinals and Final:

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-12 | O Meien | Cho Chikun | B+6.5 | 280 | sgf
2002-08-24 | Kobayashi Koichi | Kato Masao | B+2.5 | 245 | sgf
2002-09-16 | Kobayashi Koichi | O Meien | B+6.5 | 278 | sgf