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19th 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
2009-09-03	Ida Atsushi	Kato Tomoko	B+R	163	sgf
2009-09-03	Ida Atsushi	Rin Kanketsu	W+R	210	sgf
2009-10-08	Rin Kanketsu	Endo Yoshifumi	B+R	169	sgf
2009-10-08	Suzuki Isao	Rin Kanketsu	W+R	180	sgf
2009-12-07	Rin Kanketsu	Yuki Satoshi	B+0.5	276	sgf
2009-12-07	Ishida Atsushi	Rin Kanketsu	B+R	211	sgf
2010-01-07	Takagi Shoichi	Ishida Atsushi	B+0.5	262	sgf
2010-01-07	Honda Kunihisa	Takagi Shoichi	W+R	194	sgf
2010-02-01	Yamashita Keigo	Takagi Shoichi	B+R	239	sgf
2010-02-01	Han Zenki	Yamashita Keigo	W+R	138	sgf
2010-03-15	Yamashita Keigo	Iyama Yuta	B+2.5	240	sgf

Winner: Yamashita Keigo
Most wins (4): Rin Kanketsu

Group B

date	black	white	result	#mv	sgf
2009-08-13	Kurotaki Masaki	Obuchi Kotaro	B+0.5	299	sgf
2009-08-13	Kurotaki Masaki	Shuto Shun	W+R	200	sgf
2009-10-15	Shuto Shun	Kono Mitsuki	W+R	178	sgf
2009-10-15	Kono Mitsuki	Kim Sujun	W+R	168	sgf
2009-11-09	Kim Sujun	Mimura Tomoyasu	B+R	191	sgf
2009-11-09	Kim Sujun	Imamura Yoshiaki	B+3.5	276	sgf
2009-12-03	Kim Sujun	Fukui Masaaki	B+R	185	sgf
2009-12-03	Kim Sujun	Hane Yasumasa	B+R	135	sgf
2010-02-08	Kim Sujun	Hane Naoki	W+2.5	282	sgf
2010-02-08	Mizokami Tomochika	Hane Naoki	B+R	213	sgf
2010-03-29	Mizokami Tomochika	Cho U	B+R	155	sgf

Winner: Mizokami Tomochika
Most wins (5): Kim Sujun

Group C

date	black	white	result	#mv	sgf
2009-08-06	Fujita Akihiko	Umezawa Yukari	W+6.5	177	sgf
2009-08-06	Umezawa Yukari	Tsuruyama Atsushi	W+R	226	sgf
2009-10-05	Kanazawa Hideo	Tsuruyama Atsushi	B+R	261	sgf
2009-10-05	So Yokoku	Kanazawa Hideo	B+R	227	sgf
2009-11-12	So Yokoku	Chin Kaei	B+R	285	sgf
2009-11-12	So Yokoku	Obuchi Morito	B+9.5	261	sgf
2009-12-24	Sakaguchi Ryuzo	So Yokoku	W+R	218	sgf
2009-12-24	Kojima Takaho	So Yokoku	W+R	118	sgf
2010-02-15	So Yokoku	Ishida Yoshio	W+R	216	sgf
2010-02-15	Nakamura Shinya	Ishida Yoshio	W+R	186	sgf
2010-03-11	Cho Sonjin	Ishida Yoshio	B+R	149	sgf

Winner: Cho Sonjin
Most wins (5): So Yokoku

Group D

date	black	white	result	#mv	sgf
2009-08-27	Yanagisawa Satoshi	Mitsunaga Junzo	W+R	216	sgf
2009-08-27	Mitsunaga Junzo	Kato Keiko	B+R	203	sgf
2009-11-02	Shimojima Yohei	Mitsunaga Junzo	B+10.5	247	sgf
2009-11-02	Shimojima Yohei	Akiyama Jiro	W+7.5	256	sgf
2009-11-26	Yamada Noriyoshi	Akiyama Jiro	W+R	214	sgf
2009-11-26	Akiyama Jiro	Goto Shungo	W+3.5	259	sgf
2010-01-14	Goto Shungo	Miyazawa Goro	B+R	221	sgf
2010-01-14	Kudo Norio	Goto Shungo	B+0.5	240	sgf
2010-02-25	Rin Kaiho	Kudo Norio	B+R	221	sgf
2010-02-25	Rin Kaiho	Ogaki Yusaku	W+6.5	285	sgf
2010-03-15	Ogaki Yusaku	Rin Shien	B+1.5	185	sgf

Winner: Ogaki Yusaku
Most wins (2): Ogaki Yusaku
2nd most wins (2): Goto Shungo

Group E

date	black	white	result	#mv	sgf
2009-09-17	Tajima Shingo	Kato Yuki	W+R	214	sgf
2009-09-17	Shiung Feng	Kato Yuki	B+R	199	sgf
2009-10-29	Mochizuki Kenichi	Shiung Feng	B+R	279	sgf
2009-10-29	Yanaka Katsunori	Mochizuki Kenichi	B+R	301	sgf
2009-11-19	Yamada Kimio	Yanaka Katsunori	B+R	247	sgf
2009-11-19	Yukawa Mitsuhisa	Yamada Kimio	W+R	104	sgf
2010-02-18	Yamada Kimio	Tokimoto Hajime	B+1.5	293	sgf
2010-02-18	Yamada Kimio	Chino Tadahiko	B+R	177	sgf
2010-03-08	Otake Hideo	Yamada Kimio	B+R	159	sgf
2010-03-08	Otake Hideo	Nakano Hironari	W+R	114	sgf
2010-04-01	Nakamura Hidehito	Nakano Hironari	W+5.5	253	sgf

Winner: Nakano Hironari
Most wins (4): Yamada Kimio

Group F

date	black	white	result	#mv	sgf
2009-08-24	Xie Yimin	Mitani Tetsuya	W+R	206	sgf
2009-08-24	Takei Takashi	Mitani Tetsuya	W+5.5	318	sgf
2009-10-22	Seto Taiki	Mitani Tetsuya	B+R	245	sgf
2009-10-22	Seto Taiki	Kato Atsushi	W+3.5	225	sgf
2009-11-30	Iwata Hajime	Kato Atsushi	W+R	194	sgf
2009-11-30	Kato Atsushi	Oya Koichi	B+R	113	sgf
2010-01-25	Kori Toshio	Kato Atsushi	W+R	188	sgf
2010-01-25	O Meien	Kato Atsushi	B+R	173	sgf
2010-03-04	O Meien	Kobayashi Koichi	W+R	130	sgf
2010-03-04	Kobayashi Koichi	Morita Michihiro	W+R	190	sgf
2010-04-01	Imamura Toshiya	Morita Michihiro	B+0.5	298	sgf

Winner: Imamura Toshiya
Most wins (4): Kato Atsushi

Group G

date	black	white	result	#mv	sgf
2009-09-21	O Yuinin	Ando Kazushige	W+0.5	247	sgf
2009-09-21	Kuwamoto Shinpei	Ando Kazushige	B+14.5	260	sgf
2009-10-26	Sakai Hideyuki	Kuwamoto Shinpei	B+R	189	sgf
2009-10-26	Takanashi Seiken	Sakai Hideyuki	W+3.5	286	sgf
2009-11-23	Sakai Hideyuki	Katayama Yasuo	B+R	179	sgf
2009-11-23	Sakai Hideyuki	Tei Meiko	B+9.5	270	sgf
2009-12-14	Sonoda Yasutaka	Sakai Hideyuki	B+R	233	sgf
2009-12-14	Sonoda Yasutaka	Takao Shinji	W+R	218	sgf
2010-02-22	O Rissei	Takao Shinji	W+1.5	321	sgf
2010-02-22	Takao Shinji	Hikosaka Naoto	W+R	226	sgf
2010-03-11	Hikosaka Naoto	Kono Rin	B+1.5	285	sgf

Winner: Hikosaka Naoto
Most wins (4): Sakai Hideyuki

Group H

date	black	white	result	#mv	sgf
2009-09-07	Ohashi Hirofumi	Suzuki Ayumi	B+R	153	sgf
2009-09-07	Ohashi Hirofumi	Mashiko Fumihiko	B+R	189	sgf
2009-10-12	Ohashi Hirofumi	Lee Ishu	W+14.5	331	sgf
2009-10-12	Lee Ishu	Nakane Naoyuki	B+1.5	258	sgf
2009-12-21	Lee Ishu	Okada Shinichiro	B+4.5	251	sgf
2009-12-21	Lee Ishu	Kanda Ei	W+R	234	sgf
2010-02-04	Kanda Ei	Kiyonari Tetsuya	B+R	137	sgf
2010-02-04	Kanda Ei	Yoda Norimoto	W+5.5	193	sgf
2010-03-25	Yoda Norimoto	Takemiya Masaki	B+R	207	sgf
2010-03-25	Cho Chikun	Yoda Norimoto	B+R	181	sgf
2010-04-19	Ko Iso	Cho Chikun	W+R	224	sgf

Winner: Cho Chikun
Most wins (3): Lee Ishu

19th Ryusei Title

Cho Chikun	Kato Atsushi B+0.5	Cho Sonjin W+R	Nakano Hironari B+R	Yamashita Keigo B+6.5
Kato Atsushi
Lee Ishu	Cho Sonjin W+R
Cho Sonjin
Ogaki Yusaku	Kim Sujun W+16.5	Nakano Hironari B+R
Kim Sujun
Sakai Hideyuki	Nakano Hironari B+R
Nakano Hironari
Hikosaka Naoto	So Yokoku B+8.5	Rin Kanketsu W+R	Yamashita Keigo W+R
So Yokoku
Imamura Toshiya	Rin Kanketsu B+R
Rin Kanketsu
Goto Shungo	Mizokami Tomochika W+R	Yamashita Keigo B+R
Mizokami Tomochika
Yamada Kimio	Yamashita Keigo B+R
Yamashita Keigo

Semifinals and Final:

date	black	white	result	#mv	sgf
2010-07-15	Nakano Hironari	Cho Sonjin	B+R	163	sgf
2010-07-15	Rin Kanketsu	Yamashita Keigo	W+R	300	sgf
2010-08-19	Yamashita Keigo	Nakano Hironari	B+6.5	249	sgf