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30th 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 6.5.

The eight ladders

Group A

date black white result #mv sgf
2020-09-03 Onishi Kenya Kondo Toshiki B+R 271 sgf
2020-09-03 Fujisawa Rina Onishi Kenya B+4.5 262 sgf
2020-11-10 Fujisawa Rina Anzai Nobuaki W+R 226 sgf
2020-11-10 Anzai Nobuaki Oba Junya B+R 109 sgf
2020-12-10 Furuya Yutaka Anzai Nobuaki W+R 172 sgf
2020-12-10 Kanazawa Hideo Anzai Nobuaki B+2.5 249 sgf
2021-01-25 Kanazawa Hideo Imamura Toshiya B+3.5 238 sgf
2021-01-25 Yamashiro Hiroshi Kanazawa Hideo B+R 241 sgf
2021-03-01 Yamashiro Hiroshi Hirose Yuichi W+R 176 sgf
2021-03-01 Hirose Yuichi Koyama Kuya B+R 151 sgf
2021-04-15 Ichiriki Ryo Hirose Yuichi B+R 167 sgf

Winner: Ichiriki Ryo
Most wins (3): Anzai Nobuaki

Group B

date black white result #mv sgf
2020-09-10 Nakano Shoya Sada Atsushi B+1.5 263 sgf
2020-09-10 Koike Yoshihiro Nakano Shoya B+R 207 sgf
2020-10-27 Ohashi Naruya Koike Yoshihiro W+7.5 254 sgf
2020-10-27 Koike Yoshihiro Suzuki Ayumi B+R 137 sgf
2020-11-23 Yamada Takuji Koike Yoshihiro B+R 267 sgf
2020-11-23 Okada Shinichiro Yamada Takuji B+R 231 sgf
2020-12-21 Imamura Yoshiaki Okada Shinichiro B+3.5 220 sgf
2020-12-21 Miyazawa Goro Imamura Yoshiaki W+R 114 sgf
2021-02-15 Imamura Yoshiaki Kobayashi Koichi B+10.5 289 sgf
2021-02-15 Motoki Katsuya Imamura Yoshiaki B+R 151 sgf
2021-03-25 Iyama Yuta Motoki Katsuya B+1.5 258 sgf

Winner: Iyama Yuta
Most wins (3): Koike Yoshihiro, Imamura Yoshiaki

Group C

date black white result #mv sgf
2020-09-14 Otake Yu Toyoda Hirohito B+R 231 sgf
2020-09-14 Otake Yu Onishi Ryuhei W+R 224 sgf
2020-11-02 Uchida Shuhei Onishi Ryuhei W+R 176 sgf
2020-11-02 Onishi Ryuhei Iwamaru Taira B+R 175 sgf
2020-12-08 Onishi Ryuhei Han Zenki B+R 207 sgf
2020-12-08 Ida Atsushi Onishi Ryuhei B+R 205 sgf
2021-01-18 Ida Atsushi Ishida Atsushi B+R 225 sgf
2021-01-18 Nakamura Hidehito Ida Atsushi W+R 112 sgf
2021-02-11 Ida Atsushi Cho Chikun B+9.5 330 sgf
2021-02-11 Rin Shien Ida Atsushi W+11.5 246 sgf
2021-04-12 Shibano Toramaru Ida Atsushi B+0.5 278 sgf

Winner: Shibano Toramaru
Most wins (5): Ida Atsushi

Group D

date black white result #mv sgf
2020-09-07 Inaba Takahiro Chotoku Tetsushi W+R 106 sgf
2020-09-07 Chotoku Tetsushi U Boi W+R 194 sgf
2020-10-20 Suzuki Shinji U Boi W+1.5 231 sgf
2020-10-20 Ko Reibun U Boi W+R 158 sgf
2020-11-16 U Boi Matsumoto Takehisa W+R 146 sgf
2020-11-16 Matsumoto Takehisa Ko Iso W+R 196 sgf
2020-12-17 Ko Iso Nakaonoda Tomomi W+R 274 sgf
2020-12-17 Nakaonoda Tomomi Sakai Takeshi B+R 155 sgf
2021-02-22 Yamashita Keigo Nakaonoda Tomomi B+R 219 sgf
2021-02-22 Kono Rin Yamashita Keigo W+R 124 sgf
2021-03-08 Hane Naoki Yamashita Keigo B+0.5 241 sgf

Winner: Hane Naoki
Most wins (3): U Boi

Group E

date black white result #mv sgf
2020-09-17 Aoki Hirotaka Fujimura Yosuke W+R 236 sgf
2020-09-17 Yo Chito Fujimura Yosuke B+R 155 sgf
2020-10-19 Hirata Tomoya Yo Chito B+R 247 sgf
2020-10-19 Suzuki Yoshimichi Hirata Tomoya W+11.5 342 sgf
2020-11-12 Shuto Shun Hirata Tomoya W+R 194 sgf
2020-11-12 Hirata Tomoya Kim Sujun B+R 215 sgf
2020-12-14 Omori Yasushi Hirata Tomoya W+R 144 sgf
2020-12-14 Hirata Tomoya Ishigure Ikuro B+5.5 266 sgf
2021-02-01 Hirata Tomoya Takao Shinji W+R 158 sgf
2021-02-01 Yamada Kimio Takao Shinji W+R 114 sgf
2021-03-25 Takao Shinji Murakawa Daisuke W+R 270 sgf

Winner: Murakawa Daisuke
Most wins (6): Hirata Tomoya

Group F

date black white result #mv sgf
2020-10-01 Otani Naoki Muramoto Wataru B+6.5 242 sgf
2020-10-01 Tsuruta Kazushi Otani Naoki W+R 250 sgf
2020-10-29 Otani Naoki Sun Zhe W+3.5 251 sgf
2020-10-29 Sun Zhe Yu Zhengqi W+R 178 sgf
2020-12-07 Yu Zhengqi Mochizuki Kenichi B+R 195 sgf
2020-12-07 So Yokoku Yu Zhengqi W+R 200 sgf
2021-01-11 Yu Zhengqi Mimura Tomoyasu B+R 245 sgf
2021-01-11 Yu Zhengqi Yuki Satoshi B+R 193 sgf
2021-02-18 Yu Zhengqi Takemiya Masaki B+R 213 sgf
2021-02-18 O Rissei Yu Zhengqi B+4.5 344 sgf
2021-03-08 Fujita Akihiko O Rissei B+0.5 279 sgf

Winner: Fujita Akihiko
Most wins (6): Yu Zhengqi

Group G

date black white result #mv sgf
2020-10-12 Chang Ruei Jie Ueno Asami B+R 175 sgf
2020-10-12 Numadate Sakiya Chang Ruei Jie W+R 136 sgf
2020-11-09 Mutsuura Yuta Chang Ruei Jie W+1.5 245 sgf
2020-11-09 Shida Tatsuya Chang Ruei Jie B+R 153 sgf
2020-12-01 Rin Kanketsu Shida Tatsuya B+0.5 265 sgf
2020-12-01 Mizokami Tomochika Rin Kanketsu B+R 171 sgf
2021-01-14 Mizokami Tomochika Ogaki Yusaku B+R 157 sgf
2021-01-14 Mizokami Tomochika Kataoka Satoshi W+1.5 266 sgf
2021-02-04 Kataoka Satoshi O Meien B+8.5 293 sgf
2021-02-04 Tsuruyama Atsushi Kataoka Satoshi B+13.5 195 sgf
2021-04-15 Cho U Tsuruyama Atsushi W+12.5 365 sgf

Winner: Tsuruyama Atsushi
Most wins (3): Chang Ruei Jie

Group H

date black white result #mv sgf
2020-10-15 Torii Yuta Oomote Takuto B+R 153 sgf
2020-10-15 Torii Yuta Muramatsu Hiroki B+5.5 278 sgf
2020-11-03 Terayama Rei Torii Yuta B+3.5 267 sgf
2020-11-03 Lee Ishu Terayama Rei B+R 191 sgf
2020-11-30 Lee Ishu Seto Taiki W+1.5 257 sgf
2020-11-30 Seto Taiki Nakano Yasuhiro B+R 207 sgf
2020-12-24 Seto Taiki Takanashi Seiken B+4.5 266 sgf
2020-12-24 Seto Taiki Ryu Shikun B+8.5 264 sgf
2021-02-25 Seto Taiki Cho Sonjin W+R 228 sgf
2021-02-25 Cho Sonjin Cho Riyu W+5.5 231 sgf
2021-04-12 Kyo Kagen Cho Riyu B+R 255 sgf

Winner: Kyo Kagen
Most wins (3): Seto Taiki

Main tournament

Imamura Yoshiaki Tsuruyama Atsushi
B+R
2021-08-12
2021-11-29*		 Hirata Tomoya
W+R
2021-09-20
2021-12-08*		 Kyo Kagen
B+1.5
2021-10-07
2021-12-20*		 Shibano Toramaru
W+R
2021-10-18
2021-12-27*
Tsuruyama Atsushi
Murakawa Daisuke Hirata Tomoya
W+R
2021-08-02
2021-11-03*
Hirata Tomoya
Cho Zuiketsu Hane Naoki
B+R
2021-08-12
2021-11-24*		 Kyo Kagen
B+R
2021-09-20
2021-12-13*
Hane Naoki
Anzai Nobuaki Kyo Kagen
W+R
2021-08-09
2021-11-22*
Kyo Kagen
Ichiriki Ryo Ida Atsushi
B+R
2021-08-02
2021-11-08*		 Seto Taiki
B+3.5
2021-09-13
2021-12-06*		 Shibano Toramaru
B+4.5
2021-10-07
2021-12-15*
Ida Atsushi
Fujita Akihiko Seto Taiki
B+5.5
2021-08-05
2021-11-10*
Seto Taiki
Iyama Yuta Yu Zhengqi
W+R
2021-08-05
2021-11-15*		 Shibano Toramaru
W+4.5
2021-09-13
2021-12-01*
Yu Zhengqi
U Boi Shibano Toramaru
B+R
2021-08-09
2021-11-17*
Shibano Toramaru

*) Date is broadcast date.