12th Ryusei title - 2003

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# 12th 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
--- | --- | --- | --- | --- | ---
2002-08-13 | Kobayashi Izumi | Iguchi Hideichiro | W+R | 88 | sgf
2002-08-13 | Iguchi Hideichiro | Kono Mitsuki | B+R | 307 | sgf
2002-09-03 | Okada Shinichiro | Iguchi Hideichiro | W+2.5 | 357 | sgf
2002-09-03 | Iguchi Hideichiro | Kato Atsushi | B+R | 229 | sgf
2002-10-28 | Iguchi Hideichiro | Fujisawa Kazunari | B+R | 159 | sgf
2002-10-28 | Iguchi Hideichiro | Yokota Shigeaki | W+R | 174 | sgf
2002-12-09 | Yokota Shigeaki | Oya Koichi | W+R | 188 | sgf
2002-12-09 | Oya Koichi | Kataoka Satoshi | B+R | 171 | sgf
2003-01-20 | Abe Yoshiteru | Oya Koichi | W+R | 102 | sgf
2003-01-20 | Oya Koichi | Otake Hideo | B+1.5 | 270 | sgf
2003-04-07 | O Rissei | Oya Koichi | B+5.5 | 263 | sgf

Winner: O Rissei
Most wins (5): Iguchi Hideichiro

### Group B

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-05 | Endo Yoshifumi | Han Zenki | W+R | 218 | sgf
2002-08-05 | Mizokami Tomochika | Han Zenki | B+0.5 | 288 | sgf
2002-08-27 | Yo Kaei | Mizokami Tomochika | W+R | 110 | sgf
2002-08-27 | Nakamura Shinya | Mizokami Tomochika | W+R | 176 | sgf
2002-10-29 | Imamura Yoshiaki | Mizokami Tomochika | B+4.5 | 242 | sgf
2002-10-29 | Imamura Yoshiaki | Yuki Satoshi | W+R | 180 | sgf
2002-12-10 | Yuki Satoshi | Imamura Toshiya | W+4.5 | 216 | sgf
2002-12-10 | Yamashiro Hiroshi | Imamura Toshiya | B+1.5 | 277 | sgf
2003-01-14 | Haruyama Isamu | Yamashiro Hiroshi | B+1.5 | 259 | sgf
2003-01-14 | Haruyama Isamu | Takemiya Masaki | W+5.5 | 250 | sgf
2003-03-17 | Yoda Norimoto | Takemiya Masaki | B+11.5 | 250 | sgf

Winner: Yoda Norimoto
Most wins (3): Mizokami Tomochika

### Group C

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-26 | Matsumoto Takehisa | Kanazawa Hideo | B+R | 217 | sgf
2002-08-26 | Matsumoto Takehisa | Yamashita Keigo | B+7.5 | 233 | sgf
2002-09-30 | Matsumoto Takehisa | Kenmochi Jo | B+6.5 | 266 | sgf
2002-09-30 | Nakano Yasuhiro | Matsumoto Takehisa | W+R | 176 | sgf
2002-11-25 | Matsumoto Takehisa | Nakaonoda Tomomi | W+R | 220 | sgf
2002-11-25 | Nakano Hironari | Nakaonoda Tomomi | W+7.5 | 242 | sgf
2002-12-17 | Yukawa Mitsuhisa | Nakaonoda Tomomi | B+0.5 | 345 | sgf
2002-12-17 | Hasegawa Sunao | Yukawa Mitsuhisa | B+4.5 | 257 | sgf
2003-01-28 | Hasegawa Sunao | Honda Kunihisa | W+1.5 | 281 | sgf
2003-01-28 | Honda Kunihisa | Cho Sonjin | W+R | 156 | sgf
2003-03-10 | Cho Sonjin | O Meien | B+R | 165 | sgf

Winner: Cho Sonjin
Most wins (4): Matsumoto Takehisa

### Group D

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-06 | Kim Sujun | Cho Riyu | B+R | 265 | sgf
2002-08-06 | Kim Sujun | So Yokoku | B+13.5 | 335 | sgf
2002-09-17 | Nakane Naoyuki | Kim Sujun | B+R | 273 | sgf
2002-09-17 | Akiyama Jiro | Nakane Naoyuki | W+R | 158 | sgf
2002-10-15 | Aoki Kikuyo | Nakane Naoyuki | W+1.5 | 270 | sgf
2002-10-15 | Nakane Naoyuki | Ogaki Yusaku | B+2.5 | 249 | sgf
2002-11-18 | Nakane Naoyuki | Goto Shungo | W+2.5 | 250 | sgf
2002-11-18 | Goto Shungo | Kori Toshio | B+R | 135 | sgf
2003-01-21 | Takagi Shoichi | Goto Shungo | W+4.5 | 250 | sgf
2003-01-21 | Goto Shungo | Sugiuchi Masao | B+R | 123 | sgf
2003-03-04 | Goto Shungo | Hane Naoki | W+R | 132 | sgf

Winner: Hane Naoki
Most wins (4): Goto Shungo

### Group E

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-09-09 | Kono Rin | Takano Hideki | B+R | 171 | sgf
2002-09-09 | Ono Nobuyuki | Kono Rin | W+R | 84 | sgf
2002-10-14 | Miyagawa Fumihiko | Kono Rin | W+R | 122 | sgf
2002-10-14 | Kono Rin | Kitamura Hiroshi | B+R | 207 | sgf
2002-12-03 | Kono Rin | Matsuoka Hideki | B+7.5 | 282 | sgf
2002-12-03 | Kono Rin | Chin Kaei | B+R | 211 | sgf
2003-01-13 | Michael Redmond | Kono Rin | W+3.5 | 263 | sgf
2003-01-13 | Kono Rin | Ito Yoji | B+R | 171 | sgf
2003-02-04 | Kono Rin | Nakamura Hidehito | B+R | 131 | sgf
2003-02-04 | Kono Rin | Ishii Mamoru | B+R | 155 | sgf
2003-03-17 | Cho Chikun | Kono Rin | W+2.5 | 303 | sgf

Kono Rin won this group with the maximal 11-0 score.

### Group F

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-20 | Miyazaki Shimako | Seki Kazuya | B+R | 109 | sgf
2002-08-20 | Yanagawa Hiromasa | Miyazaki Shimako | B+R | 237 | sgf
2002-10-01 | Nakao Jungo | Yanagawa Hiromasa | B+R | 151 | sgf
2002-10-01 | Nakao Jungo | Su Kaiseki | B+R | 157 | sgf
2002-11-26 | Nakao Jungo | Sakai Maki | W+5.5 | 236 | sgf
2002-11-26 | Ezura Yuichi | Sakai Maki | W+6.5 | 294 | sgf
2003-01-06 | Komatsu Hideki | Sakai Maki | B+R | 139 | sgf
2003-01-06 | Kiyonari Tetsuya | Komatsu Hideki | W+3.5 | 243 | sgf
2003-02-11 | Komatsu Hideki | Ishida Akira | W+R | 190 | sgf
2003-02-11 | Ishida Akira | Ishii Kunio | B+R | 195 | sgf
2003-03-03 | Kobayashi Koichi | Ishida Akira | B+0.5 | 221 | sgf

Winner: Kobayashi Koichi
Most wins (2): Ishida Akira

### Group G

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-08-19 | Kato Tomoko | Chinen Kaori | W+4.5 | 248 | sgf
2002-08-19 | Chinen Kaori | Maeda Ryoji | W+R | 234 | sgf
2002-09-10 | Maeda Ryoji | Sugimoto Akira | W+7.5 | 256 | sgf
2002-09-10 | Yamamoto Masato | Sugimoto Akira | W+2.5 | 234 | sgf
2002-10-22 | Sasaka Shiro | Sugimoto Akira | B+1.5 | 244 | sgf
2002-10-22 | Tokimoto Hajime | Sasaka Shiro | B+R | 245 | sgf
2002-12-02 | Aoki Shinichi | Tokimoto Hajime | W+R | 168 | sgf
2002-12-02 | Tokimoto Hajime | Ishikura Noboru | W+12.5 | 265 | sgf
2003-01-27 | Ishikura Noboru | Kamimura Haruo | W+R | 214 | sgf
2003-01-27 | Kurosawa Tadanao | Kamimura Haruo | W+R | 220 | sgf
2003-03-03 | Kamimura Haruo | Rin Kaiho | B+15.5 | 262 | sgf

Winner: Kamimura Haruo
Most wins (3): Kamimura Haruo
2nd most wins (2): Tokimoto Hajime

### Group H

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2002-09-02 | Kubo Hideo | Ohashi Hirofumi | W+3.5 | 228 | sgf
2002-09-02 | Hagiya Kazuhiro | Ohashi Hirofumi | W+5.5 | 263 | sgf
2002-10-21 | Ohashi Hirofumi | Takao Shinji | W+R | 240 | sgf
2002-10-21 | Takao Shinji | Kanagawa Masaaki | B+12.5 | 266 | sgf
2002-11-11 | Takao Shinji | Yamada Kimio | W+R | 196 | sgf
2002-11-11 | Yamada Kimio | Sasaki Tadashi | B+1.5 | 261 | sgf
2003-01-07 | Yamada Kimio | Enda Hideki | B+R | 219 | sgf
2003-01-07 | Yamada Kimio | Ogata Masaki | B+1.5 | 263 | sgf
2003-02-25 | Yamada Kimio | Kubo Katsuaki | B+R | 153 | sgf
2003-02-25 | Kojima Takaho | Yamada Kimio | W+2.5 | 265 | sgf
2003-03-31 | Kato Masao | Yamada Kimio | W+R | 156 | sgf

Winner: Yamada Kimio
Most wins (7): Yamada Kimio
2nd most wins (2): Takao Shinji

## 12th Ryusei Title

The eight ladders give eight winners, and seven players other than the ladder winner with the most wins. Since Kono Rin in Group E won everything there was no second player from Group E. The 16th participant in the Title Tournament is Oya Koichi, with 4 wins in Group A.

Kono Rin | Oya Koichi B+0.5 | Cho Sonjin B+R | Hane Naoki B+R | Kobayashi Koichi W+R
Oya Koichi
Yoda Norimoto | Cho Sonjin W+R
Cho Sonjin
Iguchi Toyohide | Ishida Akira B+R | Hane Naoki W+R
Ishida Akira
O Rissei | Hane Naoki W+1.5
Hane Naoki
Tokimoto Hajime | Matsumoto Takehisa W+R | Mizokami Tomochika B+R | Kobayashi Koichi B+0.5
Matsumoto Takehisa
Kamimura Haruo | Mizokami Tomochika W+0.5
Mizokami Tomochika
Goto Shungo | Takao Shinji B+3.5 | Kobayashi Koichi B+2.5
Takao Shinji
Yamada Kimio | Kobayashi Koichi W+10.5
Kobayashi Koichi

Semifinals and Final:

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2003-07-29 | Hane Naoki | Cho Sonjin | B+R | 143 | sgf
2003-07-21 | Kobayashi Koichi | Mizokami Tomochika | B+0.5 | 300 | sgf
2003-09-09 | Hane Naoki | Kobayashi Koichi | W+R | 190 | sgf