Ratings
UMEZAWA Yoshinori (Japan)
167 tournaments
942 results
Player ID: 7047
Rated 101 in Japan and 115 in Asia&Oceania&Africa and 129 in the World
Latest rating: 2152
942 results
Player ID: 7047
Rated 101 in Japan and 115 in Asia&Oceania&Africa and 129 in the World
Latest rating: 2152
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
2023-10-08: 49_All_Japan_Niigata_prelim(Japan)
2023-09-17: Star_Camp_2023(Japan)
2023-08-27: 41_Sea_of_Japan_open(Japan)
2023-06-24: Niigata_open_2023(Japan)
2023-04-02: 83_Niigata_conf(Japan)
2023-03-19: 43_Meijin(Japan)
2023-03-18: 43_Maijin_masters(Japan)
2023-02-26: 40_Sea_of_Japan_open(Japan)
2023-01-28: 2023_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 53-11 | NAKAGAWA Azune |
| UMEZAWA Yoshinori | 38-26 | MIYAKE Raku |
| UMEZAWA Yoshinori | won against | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 61-03 | IWASAKA Ryuji |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 37-27 | YOSHIDA Taisaku |
| SATO Hisakazu | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | SUGAWARA Misa |
| UMEZAWA Yoshinori | 50-14 | NAKAMURA Haruto |
| UMEZAWA Yoshinori | 38-26 | OSHIMIZU Takanori |
| KANO Chihiro | 44-20 | UMEZAWA Yoshinori |
| KAWAMURA Akio | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | UMEDA Yuwa |
| UMEZAWA Yoshinori | 41-23 | KOBAYASHI Syunjiro |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 47-17 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 45-19 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 52-12 | KURACHI Takayuki |
| AIHARA Shigeaki | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 42-22 | AIHARA Shigeaki |
| HASEGAWA Takeshi | 41-23 | UMEZAWA Yoshinori |
| SHINOHARA Ryo | 42-22 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 57-07 | IWASAKA Ryuji |
| NAGAO Hiroto | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 38-26 | NAGATA Yuuya |
| HASEGAWA Takeshi | 40-24 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 53-11 | NAGATA Subaru |
| SANO Kaoru | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | TAYAMA Tsubasa |
| UMEZAWA Yoshinori | 46-18 | HASHIMOTO Yuuta |
| UMEZAWA Yoshinori | 35-29 | FUNATSU Asuka |
| TAKANASHI Yusuke | 33-31 | UMEZAWA Yoshinori |
| OKADA Tadakawa | 32-32 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | TAGUCHI Shinya |
| IWAKURA Hiroaki | 37-27 | UMEZAWA Yoshinori |
| SASAKI Sohei | 33-31 | UMEZAWA Yoshinori |
| KITAJIMA Hideki | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NAGAO Hiroto |
| UMEZAWA Yoshinori | 33-31 | ISHIKAWA Akira |
| UMEZAWA Yoshinori | 50-14 | TANAKA Junji |
| UMEZAWA Yoshinori | 43-21 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 40-24 | OTAIRA Kousuke |
| UMEZAWA Yoshinori | 34-30 | KANO Chihiro |
| HASEGAWA Takeshi | 47-17 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 34-30 | TAKIZAWA Masaki |
| HASEGAWA Takeshi | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | MIYAKE Raku |
| UMEZAWA Yoshinori | 44-20 | MIWA Shuya |
| TAKIZAWA Masaki | 46-18 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | KOBAYASHI Syunjiro |
| UMEZAWA Yoshinori | 41-23 | NAGATA Subaru |
2022-12-04: 82_Niigata_conf(Japan)
2022-08-21: 39_sea_of_Japan_open(Japan)
2022-07-10: 15_Ouza_sen(Japan)
2022-04-03: 81_Niigata_conf(Japan)
2022-03-21: 42_Meijin(Japan)
| KANEKO Hikaru | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | KOBAYASHI Manabu |
| AIHARA Shigeaki | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 44-20 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 34-30 | KITAJIMA Hideki |
| KANO Chihiro | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | MAHO Makoto |
| OHMORI Keita | 33-31 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 47-17 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | ITO Itsuru |
| GOTO Hiroshi | 49-15 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | IWAKURA Hiroaki |
| SHIMIZU Naoki | 38-26 | UMEZAWA Yoshinori |
| UENO Tomohisa | 40-24 | UMEZAWA Yoshinori |
| TAKIZAWA Nobuyuki | 37-27 | UMEZAWA Yoshinori |
| KANEKO Hikaru | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | NAKAGAWA Azune |
| OTAKA Tomoki | 45-19 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 61-03 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | won against | OGINO Takeru |
| SHIMOMURA Shiki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SAWADA Takehiko |
| UMEZAWA Yoshinori | won against | ASOU Daisuke |
| UMEZAWA Yoshinori | won against | YAMAGUCHI Tomoki |
| KURAHASHI Satoshi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | TSUCHIGANE Link |
2021-12-05: 80_Niigata_conf(Japan)
2021-07-18: 41_Meijin(Japan)
2021-04-04: 79_Niigata_conf(Japan)
2021-02-14: 38_sea_of_Japan_open(Japan)
2021-01-31: Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 49-15 | OHIRA Masatake |
| UMEZAWA Yoshinori | 38-26 | HASEGAWA Takeshi |
| UMEZAWA Yoshinori | 35-29 | MURAKAMI Takeshi |
| UMEZAWA Yoshinori | 36-28 | KANO Chihiro |
| UMEZAWA Yoshinori | 37-27 | KAWAI Shinobu |
| UMEZAWA Yoshinori | 36-28 | OHMORI Keita |
| UMEZAWA Yoshinori | 40-24 | TAYAMA Tsubasa |
| WADA Masaki | 34-30 | UMEZAWA Yoshinori |
| KAWAI Shinobu | 35-29 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 50-14 | UMEZAWA Yoshinori |
| SAWADA Takehiko | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | TAKIZAWA Nobuyuki |
| UMEZAWA Yoshinori | 59-05 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 54-10 | MURAKAMI Takeshi |
| AIHARA Shigeaki | 46-18 | UMEZAWA Yoshinori |
| KOBAYASHI Syunjiro | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | OBARA Hiroto |
| KANO Chihiro | 42-22 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | SATO Hisakazu |
| UMEZAWA Yoshinori | 37-27 | YOSHIDA Taisaku |
| UMEZAWA Yoshinori | 38-26 | KANO Chihiro |
| UMEZAWA Yoshinori | 53-11 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 36-28 | OBARA Hiroto |
| NAGASAKI Hidekazu | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 43-21 | KOICHI Naoto |
2020-12-06: 78_Niigata_conf(Japan)
2020-02-16: 37_sea_of_Japan_open(Japan)
2020-01-26: Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 45-19 | YOSHIDA Taisaku |
| DOBASHI Yusuke | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | KOBAYASHI Kano |
| KANO Chihiro | 37-27 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | KANO Chihiro |
| UMEZAWA Yoshinori | 38-26 | KOBAYASHI Syunjiro |
| UMEZAWA Yoshinori | 35-29 | SATO Hisakazu |
| NAGASAKI Hidekazu | 40-24 | UMEZAWA Yoshinori |
| KIYONOBU Kenta | 47-17 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | OBARA Hiroto |
| KOBAYASHI Syunjiro | 54-10 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 57-07 | YOSHIDA Taisaku |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 33-31 | UMEZAWA Yoshinori |
2019-12-08: 77_Niigata_conf(Japan)
2019-10-20: 48_All_Japan_Niigata_prelim(Japan)
2019-09-15: Star_camp_2019(Japan)
2019-08-25: 36_Sea_of_Japan_open(Japan)
2019-07-14: 14_Ouza_sen(Japan)
2019-04-07: 76_Niigata_conf(Japan)
2019-04-07: 76_Niigata_conference(Japan)
2019-03-24: 40_Meijin(Japan)
2019-03-23: 40_Meijin_masters(Japan)
2019-02-17: 35_Sea_of_Japan_open(Japan)
2019-01-27: 2019_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 60-04 | NAKAGAWA Azune |
| UMEZAWA Yoshinori | 41-23 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 38-26 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 33-31 | NAGAO Hiroto |
| KOBAYASHI Syunjiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 34-30 | NAGAO Hiroto |
| SUZUKI Nobuyuki | won against | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 60-04 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 46-18 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| KANO Chihiro | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 54-10 | MIURA Toshie |
| OSHIMIZU Takanori | 41-23 | UMEZAWA Yoshinori |
| SATO Hisakazu | 32-32 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | WADA Chiaki |
| WADA Masaki | 35-29 | UMEZAWA Yoshinori |
| YOKOSAWA Haruko | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | SAJI Kouya |
| UMEZAWA Yoshinori | 38-26 | NAGISA Shougo |
| TAKANASHI Yusuke | 42-22 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 43-21 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 42-22 | KOBAYASHI Kano |
| SUEKUNI Makoto | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | KOYASHIKI Ken |
| UMEZAWA Yoshinori | 32-32 | OHMORI Keita |
| MIYAOKA Tamaki | 46-18 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | KURACHI Takayuki |
| KAMEMOTO Osamu | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 55-09 | OKAMOTO Sakutaro |
| UMEZAWA Yoshinori | 44-20 | OBARA Hiroto |
| UMEZAWA Yoshinori | 37-27 | NAGAO Hiroto |
| TAKIZAWA Masaki | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 55-09 | OKAMOTO Sakutaro |
| UMEZAWA Yoshinori | 44-20 | OBARA Hiroto |
| UMEZAWA Yoshinori | 37-27 | NAGAO Hiroto |
| TAKIZAWA Masaki | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | won against | ISHIGURO Hiroki |
| UMEZAWA Yoshinori | won against | SHIBANO Tatsunosuke |
| MITSUYA Nobuaki | won against | UMEZAWA Yoshinori |
| HISHIYAMA Yuichi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | ATACHI Aki |
| UMEZAWA Yoshinori | won against | SAKAGUCHI Kazuhiro |
| KITAJIMA Hideki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KOSHINO Kazuhiko |
| TANAKA Junji | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NARUMI Hisatoshi |
| UMEZAWA Yoshinori | won against | IIJIMA Takamune |
| UMEZAWA Yoshinori | won against | HAGA Kazutoshi |
| UMEZAWA Yoshinori | won against | KITAJIMA Hideki |
| UMEZAWA Yoshinori | 38-26 | KANO Chihiro |
| MURAKAMI Takeshi | 33-31 | UMEZAWA Yoshinori |
| MATSUMOTO Makoto | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 55-09 | SAWADA Aimi |
| UMEZAWA Yoshinori | 64-00 | SAWADA Atsushi |
| SHIMOMURA Shiki | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 54-10 | KOBAYASHI Kano |
| TAKIZAWA Masaki | 34-30 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 49-15 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 61-03 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 36-28 | KOBAYASHI Syunjiro |
2018-12-09: 75_Niigata_conference(Japan)
2018-10-21: 47_All_Japan_Niigata_prelim(Japan)
2018-09-17: Star_camp_2018(Japan)
2018-08-19: 34_Sea_of_Japan_open(Japan)
2018-07-15: 46_All_Japan_open_championship(Japan)
2018-06-17: 46_All_Japan_Niigata_prelim(Japan)
2018-04-08: 74_Niigata_conference(Japan)
2018-03-18: 39_Meijin(Japan)
2018-01-28: 2018_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 38-26 | OBARA Hiroto |
| UMEZAWA Yoshinori | 34-30 | KANDA Yoshihiro |
| KOBAYASHI Kano | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | IWASAKA Ryuji |
| NAGASAKI Hidekazu | 52-12 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NAGAO Hiroto |
| UMEZAWA Yoshinori | 44-20 | KOBAYASHI Syunjiro |
| NAGASAKI Hidekazu | 57-07 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | ISHIZAWA Manaka |
| YOSHIDA Taisaku | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | YOKOSAWA Haruko |
| WADA Masaki | 46-18 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | IZUMI Shinya |
| UMEZAWA Yoshinori | 33-31 | OSHIMIZU Takanori |
| MIURA Toshie | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 62-02 | WADA Chiaki |
| UMEZAWA Yoshinori | 34-30 | FURUTA Utai |
| SATO Hisakazu | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 41-23 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 41-23 | KOBAYASHI Manabu |
| NAGASAKI Hidekazu | 39-25 | UMEZAWA Yoshinori |
| FUKUNAGA Kohachi | won against | UMEZAWA Yoshinori |
| SUEKUNI Makoto | won against | UMEZAWA Yoshinori |
| SATANI Tetsu | won against | UMEZAWA Yoshinori |
| KUMATSU Miyu | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KURODA Ichi |
| ONO Atsushi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 63-01 | WATANABE Tadayuki |
| UMEZAWA Yoshinori | 48-16 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 48-16 | NAGASAKI Hidekazu |
| TAKIZAWA Masaki | 39-25 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | OBARA Hiroto |
| UMEZAWA Yoshinori | 44-20 | TAKIZAWA Masaki |
| NAGAO Hiroto | 38-26 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 47-17 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | ETO Eiko |
| OBARA Hiroto | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | HARA Sousuke |
| UMEZAWA Yoshinori | won against | NODA Bintatsu |
| KIYONOBU Kenta | won against | UMEZAWA Yoshinori |
| FUKUNAGA Kohachi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NISHIMURA Akihiro |
| TAGUCHI Mika | won against | UMEZAWA Yoshinori |
| SATO Yutaka | won against | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 50-14 | AIHARA Shigeaki |
| NAGASAKI Hidekazu | 52-12 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 55-09 | TAKAHASHI Kentaro |
2017-10-08: Star_camp_2017(Japan)
2017-08-20: 32_Sea_of_Japan_open(Japan)
2017-07-16: 45_All_Japan_championship(Japan)
2017-06-18: 45_All_Japan_Niigata_prelim(Japan)
2017-04-09: 72_Niigata_conf(Japan)
2017-03-19: 38_Meijin(Japan)
2017-02-19: 31_Sea_of_Japan_open(Japan)
2017-01-22: 2017_Niigata_expert_games(Japan)
| IWASAKA Ryuji | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | ETO Riichi |
| TAKIZAWA Masaki | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | NAGAO Hiroto |
| NAGASAKI Hidekazu | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | OBARA Hiroto |
| UMEZAWA Yoshinori | 45-19 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 56-08 | AOKI Ryousuke |
| UMEZAWA Yoshinori | 42-22 | KANDA Yoshihiro |
| NAGASAKI Hidekazu | 44-20 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 39-25 | KOBAYASHI Syunjiro |
| TAKAHASHI Akihiro | won against | UMEZAWA Yoshinori |
| HAYASUGI Yu | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SHIMO Takuya |
| UMEZAWA Yoshinori | won against | MIURA Toshie |
| UMEZAWA Yoshinori | won against | TANAKA Atsushi |
| KURODA Takuji | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 63-01 | MATSUHASHI Satoi |
| NAGAO Hiroto | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | OBARA Hiroto |
| TAKIZAWA Masaki | 50-14 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 48-16 | SAKUMA Tomonobu |
| UMEZAWA Yoshinori | 39-25 | KOBAYASHI Kano |
| UMEZAWA Yoshinori | 64-00 | HASEGAWA Kazuko |
| TAKIZAWA Masaki | 51-13 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 36-28 | SATO Hisakazu |
| OHMORI Keita | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KOBAYASHI Kano |
| UMEZAWA Yoshinori | won against | FUNATSU Asuka |
| UMEZAWA Yoshinori | won against | KUDOU Yuusei |
| KANOU Eishi | won against | UMEZAWA Yoshinori |
| NODA Bintatsu | won against | UMEZAWA Yoshinori |
| NAGAO Hiroto | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 46-18 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | won against | KOBAYASHI Manabu |
| NAGASAKI Hidekazu | 42-22 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 37-27 | KOBAYASHI Syunjiro |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 41-23 | OBARA Hiroto |
| UMEZAWA Yoshinori | 47-17 | HANAZATO Michio |
| KANDA Yoshihiro | 50-14 | UMEZAWA Yoshinori |
| KOBAYASHI Syunjiro | 34-30 | UMEZAWA Yoshinori |
2016-12-11: 71_Niigata_conference(Japan)
2016-09-24: Star_camp_2016(Japan)
2016-08-21: 30_Sea_of_Japan_open(Japan)
2016-07-17: 44_All_Japan_championship(Japan)
2016-06-19: 44_All_Japan_Niigata_prelim(Japan)
2016-04-03: 70_Niigata_conference(Japan)
2016-03-20: 37_Meijin(Japan)
2016-02-21: 29_Sea_of_Japan_open(Japan)
2016-01-24: 2016_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 45-19 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 52-12 | SATO Hisakazu |
| UMEZAWA Yoshinori | 46-18 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 43-21 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 38-26 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 40-24 | NARA Souma |
| UMEZAWA Yoshinori | 36-28 | KANDA Yoshihiro |
| NAGAO Hiroto | 36-28 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 34-30 | OBARA Hiroto |
| UMEZAWA Yoshinori | 52-12 | WADA Masaki |
| ABE Yura | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | TANABE Michiyo |
| UMEZAWA Yoshinori | 64-00 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 44-20 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 33-31 | SATO Hisakazu |
| NAGASAKI Hidekazu | 42-22 | UMEZAWA Yoshinori |
| ISHIKAWA Akira | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SAWADA Takehiko |
| UMEZAWA Yoshinori | won against | OKABAYASHI Noguchi |
| UMEZAWA Yoshinori | won against | SAKAGUCHI Kazuhiro |
| URUSHIHARA Kazuhiro | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | OKAMURA Hiroaki |
| UMEZAWA Yoshinori | 33-31 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 44-20 | INUBUSHI Kouki |
| UMEZAWA Yoshinori | won against | NAGAO Hiroto |
| NAGASAKI Hidekazu | 48-16 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 52-12 | AIHARA Shigeaki |
| ABE Yura | 40-24 | UMEZAWA Yoshinori |
| ABE Yura | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | TANABE Tomoki |
| OBARA Hiroto | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 40-24 | AIHARA Shigeaki |
| SHIMAMURA Yoshihide | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KATO Teru |
| UMEZAWA Yoshinori | won against | MIYAZAKI Yuji |
| KANOU Eishi | won against | UMEZAWA Yoshinori |
| YAMAMOTO Takashi | won against | UMEZAWA Yoshinori |
| TSUKAMOTO Kazuma | won against | UMEZAWA Yoshinori |
| YOSHIYUKI Suganuma | won against | UMEZAWA Yoshinori |
| SATO Hisakazu | 50-14 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | FUKUCHI Katsunori |
| UMEZAWA Yoshinori | 59-05 | KOBAYASHI Yutsuka |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 36-28 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 35-29 | NAGASAKI Hidekazu |
| TAKIZAWA Masaki | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | ETO Riichi |
| UMEZAWA Yoshinori | 39-25 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 46-18 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 37-27 | ABE Yura |
| NAGASAKI Hidekazu | 49-15 | UMEZAWA Yoshinori |
2015-12-13: 69_Niigata_conference(Japan)
2015-10-11: Star_camp_2015(Japan)
2015-09-06: 10_Ouza_sen(Japan)
2015-08-23: 28_Sea_of_Japan_open(Japan)
2015-07-19: 43_All_Japan_open_championship(Japan)
2015-06-14: 43_All_Japan_Niigata_prelim(Japan)
2015-04-05: 68_Niigata_conference(Japan)
2015-03-22: 36_Meijin(Japan)
2015-02-15: 27_Sea_of_Japan_open(Japan)
2015-02-15: 27_Sea_of_Japan(Japan)
2015-01-31: 2015_Niigata_expert_games(Japan)
| TANABE Tomoki | 33-31 | UMEZAWA Yoshinori |
| OGUROSAWA Shu | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 56-08 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 42-22 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 42-22 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 36-28 | YOSHIDA Taisaku |
| SAITO Kenta | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | OSHIMIZU Takanori |
| UMEZAWA Yoshinori | 33-31 | IIJIMA Takamune |
| UMEZAWA Yoshinori | 46-18 | WADA Chiaki |
| TAKAHASHI Ya | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | YASUJIMA Yuji |
| ASAHINA Satoshi | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | TOMINAGA Kenta |
| SATO Hisakazu | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | NAGAO Hiroto |
| FUNATSU Asuka | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 46-18 | ISHIKAWA Akira |
| UMEZAWA Yoshinori | 60-04 | UMEZAWA Riho |
| AIHARA Shigeaki | 36-28 | UMEZAWA Yoshinori |
| TAKANASHI Yusuke | 47-17 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 60-04 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 52-12 | KOBAYASHI Syunjiro |
| KURIHARA Aru | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | ENOMOTO Hiroyuki |
| UMEZAWA Yoshinori | won against | NAGANO Yasushi |
| UMEZAWA Yoshinori | won against | SAITO Kenta |
| UMEZAWA Yoshinori | won against | FUKUCHI Keisuke |
| MITSUYA Nobuaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 50-14 | NAGAO Hiroto |
| TAKIZAWA Masaki | 41-23 | UMEZAWA Yoshinori |
| NAGASAKI Hidekazu | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 53-11 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 40-24 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 64-00 | SHIMIZU Akiko |
| UMEZAWA Yoshinori | 43-21 | KANDA Yoshihiro |
| NAGASAKI Hidekazu | 45-19 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 48-16 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | SATO Hisakazu |
| YOSHIDA Shigenobu | won against | UMEZAWA Yoshinori |
| SATO Yutaka | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | OHTSUBO Masayuki |
| UMEZAWA Yoshinori | won against | SUGASE Takahiro |
| HAGA Kazutoshi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | UNO Toshihiro |
| KAMEMOTO Osamu | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 32-32 | TAKANASHI Yusuke |
| KAMIKURA Daisuke | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | FURUTA Utai |
| NAGASAKI Hidekazu | 41-23 | UMEZAWA Yoshinori |
| SATO Hisakazu | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 32-32 | TAKANASHI Yusuke |
| KAMIKURA Daisuke | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | FURUTA Utai |
| NAGASAKI Hidekazu | 41-23 | UMEZAWA Yoshinori |
| SATO Hisakazu | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | MAHO Makoto |
| TAKIZAWA Masaki | 41-23 | UMEZAWA Yoshinori |
| OBARA Hiroto | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | KOBAYASHI Kano |
| NAGASAKI Hidekazu | 47-17 | UMEZAWA Yoshinori |
2014-12-14: 67_Niigata_conference(Japan)
2014-11-23: Tohoku_open_2014(Japan)
2014-09-14: 2014_Star_Camp(Japan)
2014-08-24: 26_Sea_of_Japan_open(Japan)
2014-07-13: 42_All_Japan_open_championship(Japan)
2014-06-15: 42_All_Japan_Niigata_prelim(Japan)
2014-04-06: 66_Niigata_conference(Japan)
2014-02-16: 25_Sea_of_Japan_open(Japan)
2014-01-26: 2014_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 50-14 | OSHIMA Rino |
| UMEZAWA Yoshinori | 40-24 | NAGAO Hiroto |
| ASAHINA Satoshi | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 52-12 | SATO Hisakazu |
| KOBAYASHI Syunjiro | 52-12 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 42-22 | ONODERA Katsuyoshi |
| KAMIKURA Daisuke | 34-30 | UMEZAWA Yoshinori |
| AKAGI Tachiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | YAMAKAWA Takashi |
| UMEZAWA Yoshinori | 33-31 | OHTAKE Kosuke |
| UMEZAWA Yoshinori | 35-29 | YASUJIMA Yuji |
| UMEZAWA Yoshinori | 45-19 | KOSE Akira |
| UMEZAWA Yoshinori | 35-29 | MIURA Toshie |
| AKAGI Tachiro | 43-21 | UMEZAWA Yoshinori |
| SATO Hisakazu | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | IIJIMA Takamune |
| UMEZAWA Yoshinori | 43-21 | OGUROSAWA Shu |
| UMEZAWA Yoshinori | 49-15 | OHTAKE Kosuke |
| UMEZAWA Yoshinori | 38-26 | OBARA Hiroto |
| SUEKUNI Makoto | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | SASAKI Sadayuki |
| NAGASAKI Hidekazu | 53-11 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | SATO Hisakazu |
| UMEZAWA Yoshinori | won against | TODA Tomoya |
| SUEKUNI Makoto | won against | UMEZAWA Yoshinori |
| KOMAGATA Masayuki | won against | UMEZAWA Yoshinori |
| TSUKAMOTO Kazuma | won against | UMEZAWA Yoshinori |
| KITAJIMA Hideki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | ABE Yura |
| TAKIZAWA Masaki | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 57-07 | IWASAKA Ryuji |
| NAGAO Hiroto | 47-17 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 63-01 | OBARA Hiroto |
| UMEZAWA Yoshinori | 36-28 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 49-15 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 37-27 | KANDA Yoshihiro |
| AIHARA Shigeaki | 36-28 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 34-30 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 41-23 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 44-20 | KOBAYASHI Syunjiro |
| YAMAKAWA Takashi | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | AIHARA Shigeaki |
| SASAKI Sadayuki | 33-31 | UMEZAWA Yoshinori |
| SATO Hisakazu | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 61-03 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 37-27 | KANDA Yoshihiro |
| TAKIZAWA Masaki | 50-14 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 37-27 | NAGASAKI Hidekazu |
2013-11-03: StarCamp_2013(Japan)
2013-08-18: 24_Sea_of_Japan_open(Japan)
2013-07-14: 41_All_Japan_championship(Japan)
2013-06-16: 41_All_Japan_Niigata_prelim(Japan)
2013-04-07: 64_Niigata_conference(Japan)
2013-02-17: 23_Sea_of_Japan_open(Japan)
2013-01-20: 2013_Niigata_expert_games(Japan)
| UMEZAWA Yoshinori | 36-28 | SUGAWARA Misa |
| SATO Hisakazu | 33-31 | UMEZAWA Yoshinori |
| YOSHIDA Taisaku | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 32-32 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 39-25 | YASUJIMA Yuji |
| IIJIMA Takamune | 34-30 | UMEZAWA Yoshinori |
| OSHIMIZU Takanori | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | SATO Hisakazu |
| UMEZAWA Yoshinori | 33-31 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 56-08 | KOBAYASHI Syunjiro |
| KURITA Seiya | 64-00 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | TAKIZAWA Masaki |
| TAKANASHI Yusuke | 33-31 | UMEZAWA Yoshinori |
| SATANI Tetsu | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | TATEISHI Seishirou |
| YOSHIYUKI Suganuma | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NOZAKI Jyunetsu |
| ASAHINA Satoshi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SATO Masuo |
| AIHARA Shigeaki | 50-14 | UMEZAWA Yoshinori |
| SASAKI Sadayuki | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | UMEZAWA Shiho |
| UMEZAWA Yoshinori | 43-21 | KANDA Yoshihiro |
| NAGAO Hiroto | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | UMEZAWA Riho |
| TAKIZAWA Masaki | 50-14 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 54-10 | YAMAMOTO Amane |
| UMEZAWA Yoshinori | 46-18 | HANAZATO Michio |
| NAGAO Hiroto | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 41-23 | SATO Hisakazu |
| UMEZAWA Yoshinori | 42-22 | HORIUCHI Keiko |
| TAKIZAWA Masaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 41-23 | KOBAYASHI Syunjiro |
| UMEZAWA Yoshinori | 44-20 | SATO Hisakazu |
| UMEZAWA Yoshinori | 36-28 | TAYAMA Tsubasa |
| TAKIZAWA Masaki | 58-06 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 51-13 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 48-16 | KOBAYASHI Syunjiro |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
2012-12-09: 63_Niigata_conf(Japan)
2012-11-24: StarCamp_2012(Japan)
2012-11-11: OWC2013_qualification(Japan)
2012-09-16: Tokuhu_open_2012_B(Japan)
2012-09-02: 7_Ouza_sen(Japan)
2012-08-19: 22_Sea_of_Japan_open(Japan)
2012-06-17: 40_All_Japan_Niigata_prelim(Japan)
2012-04-08: 62_Niigata_conf(Japan)
2012-03-04: Meijin_groupA(Japan)
2012-02-19: 21_Sea_of_Japan_open(Japan)
2012-01-28: 2012_Niigata_expert_game(Japan)
| UMEZAWA Yoshinori | 37-27 | AIHARA Shigeaki |
| TAKIZAWA Masaki | 51-13 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 62-02 | KUROGI Natsume |
| UMEZAWA Yoshinori | 60-04 | MARUYAMA Aki |
| KANDA Yoshihiro | 44-20 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | WATANABE Keiichi |
| UMEZAWA Yoshinori | 38-26 | YOSHIDA Taisaku |
| UMEZAWA Yoshinori | 60-04 | HANAZATO Michio |
| OSHIMIZU Takanori | 36-28 | UMEZAWA Yoshinori |
| SATO Hisakazu | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SHINOHARA Chiaki |
| UMEZAWA Yoshinori | won against | OKAMOTO Junya |
| UMEZAWA Yoshinori | won against | YAMAKAWA Takashi |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| MATSUMOTO Hiroshi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SHIRAI Ukyo |
| KINOSHITA Tsutomu | 39-25 | UMEZAWA Yoshinori |
| SAITO Kenta | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | GOTO Yukari |
| UMEZAWA Yoshinori | 35-29 | SATO Reiji |
| UMEZAWA Yoshinori | 35-29 | KANOMATA Kikuchi |
| UMEZAWA Yoshinori | 53-11 | OKADA Kantha |
| UMEZAWA Yoshinori | 35-29 | IZUMI Takashi |
| UMEZAWA Yoshinori | 45-19 | MURAKAMI Takeshi |
| SUEKUNI Makoto | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 46-18 | NODA Bintatsu |
| KANOU Eishi | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | NAKAMURA Keiko |
| UMEZAWA Yoshinori | 43-21 | KAMIKURA Daisuke |
| AIHARA Shigeaki | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | NAGASHIMA Kazuhito |
| TSUCHIYA Ryosuke | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 52-12 | NAGAO Hiroto |
| TSUCHIYA Ryosuke | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 60-04 | IWASAKA Ryuji |
| NAGAO Hiroto | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | HAMADA Kengo |
| UMEZAWA Yoshinori | 36-28 | SASAKI Sadayuki |
| UMEZAWA Yoshinori | 40-24 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 49-15 | AIHARA Shigeaki |
| TAKIZAWA Masaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 34-30 | KOBAYASHI Syunjiro |
| UMEZAWA Yoshinori | 46-18 | HARII Mitsu |
| NAGAO Hiroto | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 61-03 | SHINOHARA Chiaki |
| NUNOME Naoya | 58-06 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | NAGASHIMA Kazuhito |
| NAKAMORI Hiroki | 42-22 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 55-09 | SHINOHARA Jun |
| KOH Bo Chao Alex | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 49-15 | TATEISHI Katsuhiro |
| UMEZAWA Yoshinori | 49-15 | HORIUCHI Keiko |
| OHMORI Keita | won against | UMEZAWA Yoshinori |
| NAGAO Hiroto | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | 34-30 | SATO Hisakazu |
| UMEZAWA Yoshinori | 39-25 | AIHARA Shigeaki |
| AIHARA Shigeaki | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 41-23 | HANAZATO Michio |
| SASAKI Sadayuki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 51-13 | KANDA Yoshihiro |
2011-12-11: 61_Niigata_conference(Japan)
2011-10-15: 10_anti-resistance_game(Japan)
2011-10-09: StarCamp_2011(Japan)
2011-08-28: 6_Ouza_sen(Japan)
2011-08-21: 20_Sea_of_Japan_open(Japan)
2011-06-19: 39_Japan_champ_Niigata_prelim(Japan)
2011-05-29: 32_Meijin(Japan)
2011-04-10: 60_Niigata_conference(Japan)
2011-02-20: 19_Sea_of_Japan_open(Japan)
2011-01-23: Niigata_expert_games(Japan)
| ASAHINA Satoshi | 39-25 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 42-22 | UMEZAWA Yoshinori |
| GOTO Masahiro | 47-17 | UMEZAWA Yoshinori |
| TAKIZAWA Masaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 64-00 | SHIBASAKI Lily |
| UMEZAWA Yoshinori | 55-09 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 34-30 | WAKIMOTO Naoyuki |
| GOTO Masahiro | 41-23 | UMEZAWA Yoshinori |
| OKABAYASHI Noguchi | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | OKABAYASHI Noguchi |
| UMEZAWA Yoshinori | 40-24 | YOSHIDA Taisaku |
| UMEZAWA Yoshinori | 41-23 | SATO Hisakazu |
| TAKIZAWA Masaki | 46-18 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 46-18 | KAMEDA Ryota |
| UMEZAWA Yoshinori | 33-31 | NAGASHIMA Kazuhito |
| SATO Reiko | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | SHINOHARA Jun |
| TAKANASHI Yusuke | 46-18 | UMEZAWA Yoshinori |
| NAGASAKI Hidekazu | 37-27 | UMEZAWA Yoshinori |
| OHMORI Keita | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 58-06 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 46-18 | KAWAKAMI Takahashi |
| UMEZAWA Yoshinori | 41-23 | KANDA Yoshihiro |
| TAKIZAWA Masaki | 54-10 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 50-14 | IGARASHI Toshiyuki |
| UMEZAWA Yoshinori | 43-21 | OIKAWA Shinichi |
| UMEZAWA Yoshinori | 58-06 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 44-20 | SASAKI Sadayuki |
| AIHARA Shigeaki | 58-06 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 35-29 | WATANABE Keiichi |
| UMEZAWA Yoshinori | won against | OKAMOTO Kazuki |
| UMEZAWA Yoshinori | won against | SHIMONOSONO Kozo |
| UMEZAWA Yoshinori | won against | ASOU Daisuke |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | ISHIKAWA Akira |
| UMEZAWA Yoshinori | won against | TOMOTA Yusuke |
| UMEZAWA Yoshinori | won against | SASAKI Sohei |
| SASAKI Sadayuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 54-10 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 38-26 | OHTAKE Kosuke |
| TAKIZAWA Masaki | 33-31 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 33-31 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 38-26 | UMEZAWA Yoshinori |
| SASAKI Sadayuki | 42-22 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 58-06 | HORIUCHI Keiko |
| TAKIZAWA Masaki | 46-18 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 41-23 | ASAHINA Satoshi |
| UMEZAWA Yoshinori | 38-26 | HARII Mitsu |
| UMEZAWA Yoshinori | 50-14 | KANDA Yoshihiro |
| SASAKI Sadayuki | 42-22 | UMEZAWA Yoshinori |
2010-12-12: 59_Niigata_conference(Japan)
2010-10-17: 3_Royal_road_Ranhu(Japan)
2010-10-11: NorthEast_Niigata_games_2010(Japan)
2010-09-25: 9_area_resistance(Japan)
2010-08-29: 5_Ouza_sen(Japan)
2010-08-22: 18_Sea_of_Japan_open(Japan)
2010-06-13: 38_Japan_Champ_Niigata_prelim(Japan)
2010-04-11: 58_Niigata_conf(Japan)
2010-03-21: 31_Meijin(Japan)
2010-02-14: 17_Sea_of_Japan_open(Japan)
2010-01-24: 2010_Niigata_expert_game(Japan)
| TAKIZAWA Masaki | 39-25 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | AIHARA Shigeaki |
| UMEZAWA Yoshinori | 50-14 | HARII Mitsu |
| SASAKI Sadayuki | 55-09 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 38-26 | KANDA Yoshihiro |
| TAKIZAWA Masaki | 35-29 | UMEZAWA Yoshinori |
| KOBAYASHI Manabu | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | SASAKI Sadayuki |
| KANDA Yoshihiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 35-29 | KUDOU Keita |
| UMEZAWA Yoshinori | 35-29 | HARII Mitsu |
| UMEZAWA Yoshinori | 45-18 | NUNOME Naoya |
| UMEZAWA Yoshinori | 37-27 | KODAMA Satoshi |
| UMEZAWA Yoshinori | 35-29 | YASUJIMA Yuji |
| OSHIMIZU Takanori | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 41-23 | YAMAMOTO Noriaki |
| UMEZAWA Yoshinori | 34-30 | SASAKI Keisuke |
| UMEZAWA Yoshinori | 40-24 | YOSHIDA Taisaku |
| KASHIWAGI Mitsuyoshi | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 35-29 | YAMAMOTO Kunihiro |
| UMEZAWA Yoshinori | 42-22 | FUNATSU Asuka |
| UMEZAWA Yoshinori | 34-30 | HASEGAWA Akira |
| UMEZAWA Yoshinori | 34-30 | SAITO Aya |
| WATAHIKI Kenta | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | TATEISHI Katsuhiro |
| KANEDA Shigeru | 44-20 | UMEZAWA Yoshinori |
| KOMAGATA Masayuki | 36-28 | UMEZAWA Yoshinori |
| KURODA Takuji | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | SHINOHARA Ryo |
| NARIYA Makoto | 33-31 | UMEZAWA Yoshinori |
| SATANI Tetsu | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 47-17 | HARII Mitsu |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| TAKIZAWA Masaki | 43-21 | UMEZAWA Yoshinori |
| ASAHINA Satoshi | 51-13 | UMEZAWA Yoshinori |
| AIHARA Shigeaki | 36-28 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 52-12 | TAKAI Akira |
| UMEZAWA Yoshinori | 47-17 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 57-07 | WATANABE Noboru |
| WAKAYAMA Yusuke | 39-25 | UMEZAWA Yoshinori |
| SASAKI Sadayuki | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | ASAHINA Satoshi |
| AIHARA Shigeaki | 49-15 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | KANDA Yoshihiro |
| SASAKI Sadayuki | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | NAGAO Hiroto |
| UMEZAWA Yoshinori | 64-00 | MATSUMOTO Hiroyuki |
| UMEZAWA Yoshinori | 64-00 | IIJIMA Takamune |
| UMEZAWA Yoshinori | 64-00 | TAKIZAWA Nobuyuki |
| UMEZAWA Yoshinori | 64-00 | TAKIZAWA Masaki |
| AKASHI Tomone | 64-00 | UMEZAWA Yoshinori |
| NAKAMORI Chiaki | 64-00 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 50-14 | SATO Hisakazu |
| TAKIZAWA Masaki | 51-13 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 33-31 | UMEZAWA Yoshinori |
| ORIYA Yasuto | 32-32 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 42-22 | HARII Mitsu |
| ASAHINA Satoshi | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 41-23 | KANDA Yoshihiro |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
2009-12-13: 57_Niigata_conference(Japan)
2009-10-18: 2_RRGP(Japan)
2009-10-11: Sutakiyanhu_open(Japan)
2009-09-22: 8_area_open(Japan)
2009-09-06: 4_Ouza_sen(Japan)
2009-08-30: 16_Sea_of_Japan_open(Japan)
2009-07-19: 37_Japan_Champ(Japan)
2009-06-14: 37_Japan_Champ_Niigata_prelim(Japan)
2009-04-12: 56_Niigata_Open(Japan)
2009-03-29: Hausuohu_Open(Japan)
2009-03-28: 30_Meijin_prelim(Japan)
2009-02-15: 15_Sea_of_Japan_open_A(Japan)
2009-01-25: 2009_Niigata_Expert(Japan)
| AIHARA Shigeaki | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | KANDA Yoshihiro |
| NAGAO Hiroto | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 47-17 | KATO Masaya |
| UMEZAWA Yoshinori | 37-27 | SATOMI Satoshi |
| UMEZAWA Yoshinori | 45-19 | OKAMOTO Shinya |
| ASAHINA Satoshi | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | KANDA Yoshihiro |
| TAMAKI Kyotaro | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | YAMADA Takeo |
| UMEZAWA Yoshinori | 32-32 | NAGAO Hiroto |
| MIYAZAKI Yuji | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 46-18 | HORIUCHI Keiko |
| UMEZAWA Yoshinori | 44-20 | KOSE Akira |
| KODAMA Satoshi | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | NUNOME Naoya |
| UMEZAWA Yoshinori | 36-28 | SATO Hisakazu |
| YASUJIMA Yuji | 37-27 | UMEZAWA Yoshinori |
| TAKEISHI Takuya | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | TANAKA Shuntaro |
| SUZUKI Yuta | 36-28 | UMEZAWA Yoshinori |
| SAWAKI Yusuke | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 34-30 | KOIDE Satoshi |
| UMEZAWA Yoshinori | 37-27 | MUKAI Daisuke |
| UMEZAWA Yoshinori | 39-25 | FUNATSU Asuka |
| KANOU Yuki | 35-29 | UMEZAWA Yoshinori |
| NAKAJIMA Tetsuya | 37-27 | UMEZAWA Yoshinori |
| MIYAOKA Tamaki | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | SUGIYAMA Akemi |
| UMEZAWA Yoshinori | 35-29 | YAMANAKA Mami |
| UMEZAWA Yoshinori | 38-26 | TAKENOBU Kosuke |
| ASAHINA Satoshi | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 34-30 | SASAKI Sadayuki |
| UMEZAWA Yoshinori | 64-00 | HARII Mitsu |
| UMEZAWA Yoshinori | 37-27 | TATSUMI-IIJIMA Yukiko |
| UMEZAWA Yoshinori | 55-09 | AIHARA Shigeaki |
| NAGAO Hiroto | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | TAKIZAWA Nobuyuki |
| NAKAJIMA Tetsuya | won against | UMEZAWA Yoshinori |
| TAKANASHI Yusuke | won against | UMEZAWA Yoshinori |
| KAMEDA Ryota | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | FURUMOTO Yuki |
| UMEZAWA Yoshinori | won against | SUZUKI Yuta |
| UMEZAWA Yoshinori | 45-19 | HARII Mitsu |
| UMEZAWA Yoshinori | 60-04 | SATO Yui |
| UMEZAWA Yoshinori | 36-28 | ASAHINA Satoshi |
| SASAKI Sadayuki | 38-26 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | KANDA Yoshihiro |
| UMEZAWA Yoshinori | 51-13 | KOBAYASHI Syunjiro |
| TAKIZAWA Masaki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | ASAHINA Satoshi |
| SATO Hisakazu | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 47-17 | IWASAKA Ryuji |
| NAGAO Hiroto | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | KURACHI Takayuki |
| TOSAKA Hideki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | TANAKA Satoshi |
| UMEZAWA Yoshinori | 33-31 | SAWAKI Yusuke |
| AIHARA Shigeaki | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | KOBAYASHI Syunjiro |
| MATSUYA Shinpei | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | OHUCHI Syou |
| UMEZAWA Yoshinori | 33-31 | KURACHI Takayuki |
| GOTO Masahiro | 33-31 | UMEZAWA Yoshinori |
| NARIYA Makoto | 33-31 | UMEZAWA Yoshinori |
| MORI Takahiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 37-27 | KOBAYASHI Manabu |
| KANDA Yoshihiro | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 45-19 | SASAKI Sadayuki |
| TAKIZAWA Masaki | 43-21 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | IWASAKA Ryuji |
| NAGAO Hiroto | 40-24 | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 33-31 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | HARII Mitsu |
| UMEZAWA Yoshinori | 44-20 | AIHARA Shigeaki |
| KOBAYASHI Nosei | 36-28 | UMEZAWA Yoshinori |
| ASAHINA Satoshi | 41-23 | UMEZAWA Yoshinori |
2008-12-14: 55_Niigata_Open(Japan)
2008-11-03: 1_Royal_Road(Japan)
2008-10-12: StarCamp_2008(Japan)
2008-08-24: 3_Ouza_sen(Japan)
2008-08-23: 8_Anti_Resistance_Game(Japan)
2008-08-03: 14_Sea_of_Japan_open(Japan)
2008-06-15: 2008 Niigata conference(Japan)
2008-04-13: 54th Niiagata Othello conference(Japan)
2008-02-17: 13_Sea_of_Japan_open(Japan)
| UMEZAWA Yoshinori | 38-26 | KOBAYASHI Manabu |
| YOSHIDA Yoshiaki | won against | UMEZAWA Yoshinori |
| KANDA Yoshihiro | 58-06 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 44-20 | MATSUZAWA Takashi |
| UMEZAWA Yoshinori | 48-16 | ASAHINA Satoshi |
| KANDA Yoshihiro | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 59-05 | KOBAYASHI Manabu |
| OHMORI Keita | 40-24 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 36-28 | KOBAYASHI Nosei |
| SASAKI Sadayuki | 57-07 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | FUKUCHI Katsunori |
| TAKIZAWA Masaki | 44-20 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 57-07 | YOSHIDA Taisaku |
| UMEZAWA Yoshinori | 35-29 | SASAKI Keisuke |
| NUNOME Naoya | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 48-16 | KOSE Akira |
| TAKIZAWA Masaki | 37-27 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 40-24 | ITO Satoshi |
| SAITO Kenta | 36-28 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 33-31 | IMAI Daiki |
| UMEZAWA Yoshinori | 35-29 | URASHIMA Mei |
| TAKIZAWA Nobuyuki | 32-32 | UMEZAWA Yoshinori |
| OKAMOTO Junya | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 32-32 | TAKANO-TSUJI Toshimi |
| UMEZAWA Yoshinori | 45-19 | KURACHI Takayuki |
| MURAKAMI Takeshi | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 39-25 | ESAKI Yutsuka |
| YAMAMOTO Kunihiro | 34-30 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 47-17 | OKUDA Tsuyoshi |
| FURUMOTO Yuki | 34-30 | UMEZAWA Yoshinori |
| NAKAMURA Yuya | 39-25 | UMEZAWA Yoshinori |
| OZAWA Kou | 35-29 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 43-21 | ORIYA Yasuto |
| UMEZAWA Yoshinori | 36-28 | KOBAYASHI Manabu |
| UMEZAWA Yoshinori | 42-22 | SHIROKI Hideyuki |
| TAKIZAWA Masaki | 38-26 | UMEZAWA Yoshinori |
| KOBAYASHI Nosei | 41-23 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NOCHI Hinobota |
| AIHARA Shigeaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| UMEZAWA Yoshinori | won against | HARII Mitsu |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| KOBAYASHI Nosei | lost to | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KATO Masaya |
| UMEZAWA Yoshinori | won against | KATO Hisahiro |
| NAGASAKI Hidekazu | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| AIHARA Shigeaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KATO Masaya |
| ASAHINA Satoshi | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SATAKE Yosuke |
| UMEZAWA Yoshinori | won against | KATO Hisahiro |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | GOTO Masahiro |
2007-07-15: Japanese Othello Championship(Japan)
| UMEZAWA Yoshinori | won against | MATSUYA Shinpei |
| MATSUMOTO Hiroshi | won against | UMEZAWA Yoshinori |
| URA Satoru | won against | UMEZAWA Yoshinori |
| TAKENOBU Kosuke | won against | UMEZAWA Yoshinori |
| TAKEMORI Daisuke | won against | UMEZAWA Yoshinori |
| NAKAMORI Hiroki | won against | UMEZAWA Yoshinori |
2006-07-16: 34th All Japan(Japan)
2006-03-26: 27_Meijin(Japan)
| NODA Bintatsu | won against | UMEZAWA Yoshinori |
| YAMAGATA Naohiro | won against | UMEZAWA Yoshinori |
| MATSUZAKA Katsuhiko | won against | UMEZAWA Yoshinori |
| KAWAKAMI Yoshihiro | won against | UMEZAWA Yoshinori |
| TSUJI Shinji | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KIUCHI Hideyuki |
| TODA Tomoya | 64-00 | UMEZAWA Yoshinori |
| NAGAO Hiroto | 64-00 | UMEZAWA Yoshinori |
| SATO Koichiro | 64-00 | UMEZAWA Yoshinori |
| KATORI Michihiro | 64-00 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 64-00 | OBAMA Satomi |
| SHIMIZU Kouichi | 64-00 | UMEZAWA Yoshinori |
2005-03-20: 26_Meijin(Japan)
| UMEZAWA Yoshinori | 46-18 | TAKANO-TSUJI Toshimi |
| UMEZAWA Yoshinori | 47-17 | TAMAKI Kyotaro |
| UMEZAWA Yoshinori | 49-15 | KURODA Takuji |
| UMEZAWA Yoshinori | 34-30 | MURAKAMI Takeshi |
| SUEKUNI Makoto | 56-08 | UMEZAWA Yoshinori |
| KIMURA Keigo | 45-19 | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | 52-12 | IIDA Hiroshi |
2003-12-10: Fukushima Star Camp(Japan)
2003-08-02: 31st All Japan(Japan)
| UMEZAWA Yoshinori | won against | YOSHIDA Taisaku |
| UMEZAWA Yoshinori | won against | TANINO Takahashi |
| UMEZAWA Yoshinori | won against | YASUJIMA Yuji |
| UMEZAWA Yoshinori | won against | YASUDA Tadahiro |
| UMEZAWA Yoshinori | won against | ABE Takato |
| KANDA Yoshihiro | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SASAKI Sadayuki |
| AOKI Kazune | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | FUNASAKI Hiro |
| TOKUDA Naoya | won against | UMEZAWA Yoshinori |
2002-09-08: 2_Sea_of_Japan_open (Japan)
2002-06-16: 30th All Japan Niigata Preliminaries(Japan)
2002-03-03: 23rd Meijin(Japan)
| UMEZAWA Yoshinori | won against | YAMAGISHI Hiroshi |
| KANDA Yoshihiro | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SHIMURA Toshiaki |
| UMEZAWA Yoshinori | won against | MATSUZAWA Takashi |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| UMEZAWA Yoshinori | won against | IWASAKA Ryuji |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| SUZUKI Nobuyuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | WATANABE Noboru |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| ARAKI Yasuyuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KINOSHITA Hisako |
| UMEZAWA Yoshinori | won against | KAMEMOTO Osamu |
| UMEZAWA Yoshinori | won against | HANDA Tatsuya |
| UMEZAWA Yoshinori | won against | TOKUMARU Go |
| KAWAGASHIRA Kuniharu | won against | UMEZAWA Yoshinori |
2001-12-23: 41st Niigata Othello Conference(Japan)
2001-08-05: 29th All Japan(Japan)
2001-06-24: 29th All Japan Niigata Preliminaries(Japan)
2001-03-11: 2001 Niigata Expert Game(Japan)
| UMEZAWA Yoshinori | won against | KUME Tomofumi |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | WATANABE Teruko |
| SASAKI Sadayuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| UMEZAWA Yoshinori | won against | MIYAZAKI Toru |
| HANEDA Masaki | won against | UMEZAWA Yoshinori |
| FUKUYAMA Hiroki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KOCHIRA Taisuke |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| UMEZAWA Yoshinori | won against | IWASAKA Ryuji |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| UMEZAWA Yoshinori | won against | SASAKI Sadayuki |
2000-12-10: 39th Niigata Othello Conference(Japan)
2000-07-30: 28th All Japan(Japan)
2000-06-11: 28th All Japan Niigata Preliminaries(Japan)
2000-04-02: 38th Niigata Othello Conference(Japan)
2000-02-06: 2000 Niigata Expert Game(Japan)
| UMEZAWA Yoshinori | won against | IWASAKA Ryuji |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| UMEZAWA Yoshinori | won against | SASAKI Sadayuki |
| UMEZAWA Yoshinori | won against | OKUNO Tomoji |
| OKUDA Tsutomu | won against | UMEZAWA Yoshinori |
| TERADA Junya | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | MATSUI Takashi |
| UMEZAWA Yoshinori | won against | NAKAMURA Akio |
| UMEZAWA Yoshinori | won against | MATSUZAWA Takashi |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| UMEZAWA Yoshinori | won against | SASAKI Sadayuki |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| UMEZAWA Yoshinori | won against | IGARASHI Nozomi |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | YAGI Yusuke |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| UMEZAWA Yoshinori | won against | SASAKI Sadayuki |
| UMEZAWA Yoshinori | won against | MATSUZAWA Takashi |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| TAKIZAWA Masaki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | KANDA Yoshihiro |
1999-12-23: 37th Niigata Othello Conference(Japan)
1999-07-25: 27th All Japan(Japan)
| UMEZAWA Yoshinori | won against | OTA Masahumi |
| UMEZAWA Yoshinori | won against | ISHIZUKA Hisako |
| UMEZAWA Yoshinori | won against | MATSUZAWA Takashi |
| UMEZAWA Yoshinori | won against | TAKIZAWA Masaki |
| UMEZAWA Yoshinori | won against | SUZUKI Nobuyuki |
| SASAKI Sadayuki | won against | UMEZAWA Yoshinori |
| TEZUKA Hirohisa | won against | UMEZAWA Yoshinori |
| SATO Shinji | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | HARA Naoki |
1998-07-27: 26th All Japan(Japan)
1998-03-29: 19th Meijin(Japan)
| KAWATE Masayuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | HASEGAWA Kazuto |
| UMEZAWA Yoshinori | won against | GOTO Masahiro |
| TAKIZAWA Nobuyuki | 35-29 | UMEZAWA Yoshinori |
1997-07-27: 25th All Japan(Japan)
| UMEZAWA Yoshinori | won against | KIUCHI Hideyuki |
| UMEZAWA Yoshinori | won against | FUKAMI Tomohiro |
| FUJISAWA Shunsuke | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | SUGAYA Akiyoshi |
| UMEZAWA Yoshinori | won against | SUZUKI Takahiro |
| UMEZAWA Yoshinori | won against | MATSUMOTO Hiroyuki |
| ROSE Brian | won against | UMEZAWA Yoshinori |
1996-07-28: 24th All Japan(Japan)
| UMEZAWA Yoshinori | won against | SANO Hirotaka |
| KOBAYASHI Shuji | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | TOMISAKI Takayuki |
1995-07-30: 23rd All Japan(Japan)
| FUKUI Seiji | won against | UMEZAWA Yoshinori |
| SUZUKI Akihito | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NAKAJIMA Tetsuya |
1994-07-31: 22nd All Japan(Japan)
| KOMAGATA Masayuki | won against | UMEZAWA Yoshinori |
| UMEZAWA Yoshinori | won against | NODA Bintatsu |
| UMEZAWA Yoshinori | won against | WATANABE Hideaki |
| UMEZAWA Yoshinori | won against | MAEDA Masahiro |
1993-08-23: 21st All Japan(Japan)
| UMEZAWA Yoshinori | won against | KITAJIMA Hideto |
| UMEZAWA Yoshinori | won against | KAMEMOTO Osamu |
| UMEZAWA Yoshinori | won against | ENOMOTO Hiroyuki |
| ARAKI Yasuyuki | won against | UMEZAWA Yoshinori |