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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