Ratings
KOSHIRO Ryuta (Japan)
Japanese name(s): 古城隆太44 tournaments
257 results
Player ID: 13014
257 results
Player ID: 13014
2019-10-13: 48_All_Japan_Hokkaido_prelim(Japan)
2019-09-22: 80_Sapporo_open(Japan)
2019-08-25: 79_Sapporo_open(Japan)
2019-07-28: 56_Hokkaido_open(Japan)
2019-04-28: 76_Sapporo_open(Japan)
2019-03-31: 75_Sapporo_open(Japan)
| SASAKI Sohei | 55-09 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 64-00 | YAMADA Yoshikatsu |
| NOZAKI Jyunetsu | 34-30 | KOSHIRO Ryuta |
| WADA Katsuhiko | 35-29 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 58-06 | YAMADA Yukie |
| TAKAHASHI Satomi | 41-23 | KOSHIRO Ryuta |
| HAYASAKA Shun | 35-29 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 51-13 | MIURA Yumi |
| SATO Tetsuya | 51-13 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 57-07 | YAMADA Fumio |
| SASAKI Sohei | 44-20 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 50-14 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 55-09 | TAKI Yuuto |
| KOSHIRO Ryuta | 38-26 | TAKAHASHI Satomi |
| MIYASAKA Kiyotaka | 59-05 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 41-23 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 57-07 | HIRAOKA Kanata |
| NOZAKI Jyunetsu | 40-24 | KOSHIRO Ryuta |
| KIKUCHI Keiichi | 32-32 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 43-21 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 43-21 | HOSOKAWA Koujin |
| MOURI Mayuna | 39-25 | KOSHIRO Ryuta |
| YAMADA Yukie | 33-31 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 58-06 | IKEDA Rintarou |
| KOSHIRO Ryuta | 60-04 | TOUJOU Mayuri |
| KOSHIRO Ryuta | 39-25 | TSUKIHARA Yudai |
| TAKENOBU Kosuke | 33-31 | KOSHIRO Ryuta |
| WADA Sachihiko | 44-20 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 64-00 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 52-12 | YAMADA Yoshikatsu |
| KOBAYASHI Takao | 37-27 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 34-30 | IKEDA Rintarou |
| KOSHIRO Ryuta | 45-19 | TOUJOU Isami |
| YAMADA Fumio | 41-23 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 41-23 | OHATA Tatsunosuke |
| KOSHIRO Ryuta | 47-17 | YAMADA Yukie |
2018-03-18: 39_Meijin(Japan)
2018-02-11: 2018_Hokkaido_expert_games(Japan)
2018-01-28: 67_Tatebayashi_open(Japan)
| KURITA Seiya | won against | KOSHIRO Ryuta |
| KOSHIRO Ryuta | won against | ARAKI Yasuyuki |
| ATOBE Shuugo | won against | KOSHIRO Ryuta |
| ATACHI Riku | won against | KOSHIRO Ryuta |
| ATACHI Aki | won against | KOSHIRO Ryuta |
| SANO Hirotaka | won against | KOSHIRO Ryuta |
| KOSHIRO Ryuta | won against | NAKAI Yoshiji |
| TAKAHASHI Satomi | 51-13 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 45-19 | YAMADA Yukie |
| KOBAYASHI Takao | 51-13 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 33-31 | IKEDA Rintarou |
| KOSHIRO Ryuta | 40-24 | YAMADA Fumio |
| SAGAWA Syuntaro | 50-14 | KOSHIRO Ryuta |
| TAKAHASHI Kanehira | 53-11 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 49-15 | AKINIWA Akiriki |
| KOSHIRO Ryuta | 33-31 | SATO Tetsuya |
| KOSHIRO Ryuta | 39-25 | YAMADA Yukie |
| KOSHIRO Ryuta | 32-32 | SASAKI Sohei |
| OKABAYASHI Noguchi | 45-19 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 44-20 | KOSHIRO Ryuta |
2017-12-17: 53_Hokkaido_open(Japan)
2017-08-27: 63_Sapporo_open(Japan)
2017-05-28: 62_Sapporo_open(Japan)
2017-04-23: 61_Sapporo_open(Japan)
2017-03-26: 60_Sapporo_open(Japan)
2017-02-12: 2017_Hokkaido_expert_games(Japan)
| KOSHIRO Ryuta | 58-06 | FUJITA Ikkei |
| KOSHIRO Ryuta | 42-22 | TATENO Yuuya |
| KOSHIRO Ryuta | 33-31 | YAMADA Yukie |
| KOSHIRO Ryuta | 61-03 | MORISHIMA Kousei |
| KOSHIRO Ryuta | 45-19 | KOUSEI Toshiko |
| KOSHIRO Ryuta | 52-12 | IKEDA Rintarou |
| KOSHIRO Ryuta | 40-24 | NAGATA Tatsuya |
| KOSHIRO Ryuta | 64-00 | MORISHIMA Atsuko |
| TAKAHASHI Satomi | 46-18 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 38-26 | TATENO Yuuya |
| KOSHIRO Ryuta | 54-10 | YAMADA Fumio |
| SHIMAKAN Minimata | 45-19 | KOSHIRO Ryuta |
| KOBAYASHI Takao | 43-21 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 55-09 | WATANABE Akiko |
| SATO Tetsuya | 52-12 | KOSHIRO Ryuta |
| KOBAYASHI Takao | 35-29 | KOSHIRO Ryuta |
| MIYASAKA Kiyotaka | 40-24 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 58-06 | TAKESHITA Keiichirou |
| KOSHIRO Ryuta | 46-18 | TAKAHASHI Satomi |
| KOIKE Sena | 53-11 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 64-00 | KAWAGUCHI Koushi |
| KOSHIRO Ryuta | 51-13 | SATO Tetsuya |
| TAKAHASHI Satomi | 37-27 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 49-15 | KOSHIRO Ryuta |
| SASAKI Sohei | 42-22 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 52-12 | IYAMA Ruka |
| TAKAHASHI Satomi | 60-04 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 49-15 | YAMADA Yukie |
| KOSHIRO Ryuta | 49-15 | SATO Tetsuya |
| MIYASAKA Kiyotaka | 43-21 | KOSHIRO Ryuta |
| KOIKE Sena | 41-23 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 48-16 | KOSHIRO Ryuta |
| NOZAKI Jyunetsu | 47-17 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 59-05 | YAMADA Fumio |
| KOSHIRO Ryuta | 57-07 | OTA Shouta |
| KOSHIRO Ryuta | 38-26 | KIMURA Yamaji |
| TAKAHASHI Satomi | 47-17 | KOSHIRO Ryuta |
2016-12-18: 51_Hokkaido_open(Japan)
2016-11-27: 58_Sapporo_open(Japan)
2016-09-25: 56_Sapporo_open(Japan)
2016-08-28: 55_Sapporo_open(Japan)
2016-02-28: 2016_Hokkaido_expert_games(Japan)
2016-01-24: 51_Sapporo_open(Japan)
| KIMURA Yamaji | 51-13 | KOSHIRO Ryuta |
| SAGAWA Syuntaro | 44-20 | KOSHIRO Ryuta |
| MIYAZIMA Mayu | 49-15 | KOSHIRO Ryuta |
| TATENO Yuuya | 32-32 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 51-13 | IYAMA Ruka |
| YAMADA Yukie | 54-10 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 50-14 | MIYASHITA Urara |
| KOSHIRO Ryuta | 55-09 | OKABAYASHI Noguchi |
| SASAKI Sohei | 55-09 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 56-08 | MORISHIMA Kousei |
| TAKENOBU Kosuke | 40-24 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 43-21 | YAMADA Fumio |
| OKABAYASHI Noguchi | 48-16 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 57-07 | OTA Shouta |
| KOSHIRO Ryuta | 57-07 | SATO Tetsuya |
| KIMURA Yamaji | 45-19 | KOSHIRO Ryuta |
| YONEYAMA Keiichi | 55-09 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 52-12 | ISHIKAWA Shun |
| KOSHIRO Ryuta | 58-06 | OTA Shouta |
| KOSHIRO Ryuta | 46-18 | YAMADA Yukie |
| YONEYAMA Keiichi | 40-24 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 53-11 | KOSHIRO Ryuta |
| YONEYAMA Keiichi | 57-07 | KOSHIRO Ryuta |
| KIMURA Yamaji | 51-13 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 42-22 | KOSHIRO Ryuta |
| MIYAZIMA Mayu | 36-28 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 38-26 | YAMADA Yukie |
| TAKAHASHI Satomi | 44-20 | KOSHIRO Ryuta |
| SASAKI Sohei | 56-08 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 60-04 | KOSHIRO Ryuta |
| ISHITAKA Masaki | 40-24 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 54-10 | YAMADA Fumio |
| OKABAYASHI Noguchi | 42-22 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 43-21 | KOSHIRO Ryuta |
| SATO Tetsuya | 49-15 | KOSHIRO Ryuta |
2015-12-20: 49_Hokkaido_open(Japan)
2015-11-22: 50_Sapporo_open(Japan)
2015-10-25: 49_Sapporo_open(Japan)
2015-09-27: 48_Sapporo_open(Japan)
2015-08-23: 47_Sapporo_open(Japan)
2015-07-26: 48_Hokkaido_open(Japan)
2015-07-19: 43_All_Japan_championship(Japan)
2015-06-07: 43_All_Japan_Hokkaido_prelim(Japan)
2015-05-24: 46_Sapporo_open(Japan)
2015-04-26: 45_Sapporo_open(Japan)
2015-03-29: 44_Sapporo_open(Japan)
2015-02-22: 2015_Hokkaido_expert_games(Japan)
2015-01-25: 43_Sapporo_open(Japan)
| TAKAHASHI Satomi | 51-13 | KOSHIRO Ryuta |
| ISHITAKA Masaki | 36-28 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 37-27 | SHIRAISHI Katsuyoshi |
| NOZAKI Jyunetsu | 49-15 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 36-28 | YAMADA Yukie |
| KIMURA Yamaji | 43-21 | KOSHIRO Ryuta |
| MIYAZIMA Mayu | 33-31 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 55-09 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 50-14 | KOIKE Yusuke |
| NOZAKI Jyunetsu | 36-28 | KOSHIRO Ryuta |
| SASAKI Sohei | 51-13 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 39-25 | YAMADA Yukie |
| KIMURA Yamaji | 39-25 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 55-09 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 35-29 | KIMURA Yamaji |
| SATO Tetsuya | 56-08 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 54-10 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 48-16 | KOSHIRO Ryuta |
| SASAKI Sohei | 54-10 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 60-04 | HAYAKAWA Kousuke |
| OKABAYASHI Noguchi | 49-15 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 48-16 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 52-12 | YAMADA Yukie |
| TAKAHASHI Satomi | 43-21 | KOSHIRO Ryuta |
| SASAKI Sohei | 47-17 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 48-16 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 50-14 | IMAMURA Koutarou |
| SATO Tetsuya | 48-16 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 48-16 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 56-08 | KOSHIRO Ryuta |
| SHIMONOUCHI Satoshi | 32-32 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 33-31 | SATO Tetsuya |
| SASAKI Sohei | 37-27 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 50-14 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 56-08 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 49-15 | YAMADA Yukie |
| OKAMOTO Harumi | won against | KOSHIRO Ryuta |
| KOSHIRO Ryuta | won against | SHIMURA Kei |
| KOSHIRO Ryuta | won against | KOSHINO Kazuhiko |
| HAGA Kazutoshi | won against | KOSHIRO Ryuta |
| KANDA Yoshihiro | won against | KOSHIRO Ryuta |
| NARUMI Hisatoshi | won against | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 55-09 | KOSHIRO Ryuta |
| SASAKI Sohei | 40-24 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 47-17 | TSUKIHARA Yudai |
| SATO Tetsuya | 40-24 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 63-01 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 46-18 | SAITO Mitsuki |
| KOSHIRO Ryuta | 57-07 | HASHIZUME Tatsuya |
| ISHII Kentarou | 52-12 | KOSHIRO Ryuta |
| TSUKIHARA Yudai | 37-27 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 33-31 | TAKENOBU Kosuke |
| KOSHIRO Ryuta | 63-01 | OGUSHI Kanako |
| TAKAHASHI Satomi | 38-26 | KOSHIRO Ryuta |
| SASAKI Sohei | 48-16 | KOSHIRO Ryuta |
| SATO Tetsuya | 34-30 | KOSHIRO Ryuta |
| SASAKI Sohei | 48-16 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 64-00 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 51-13 | KOSHIRO Ryuta |
| SATO Tetsuya | 53-11 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 49-15 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 34-30 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 64-00 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 45-19 | FUJIMURA Takimoto |
| SATO Tetsuya | 43-21 | KOSHIRO Ryuta |
| OGAWA Ami | 44-20 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 49-15 | KOSHIRO Ryuta |
2014-12-21: 47_Hokkaido_open(Japan)
2014-11-23: 42_Sapporo_open(Japan)
2014-10-26: 41_Sapporo_open(Japan)
2014-08-24: 39_Sapporo_open(Japan)
2014-06-01: 42_All_Japan_Hokkaido_prelim(Japan)
2014-05-18: 38_Sapporo_open(Japan)
2014-04-27: 37_Sapporo_open(Japan)
2014-03-30: 36_Sapporo_open(Japan)
2014-01-26: 35_Sapporo_open(Japan)
| KIYONOBU Kenta | 63-01 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 40-24 | SHIRAISHI Katsuyoshi |
| UEDA Toshihumi | 56-08 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 47-17 | YAMADA Yukie |
| SATO Koichiro | 44-20 | KOSHIRO Ryuta |
| SATO Tetsuya | 57-07 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 51-13 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 49-15 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 61-03 | KOSHIRO Ryuta |
| SASAKI Sohei | 53-11 | KOSHIRO Ryuta |
| SATO Tetsuya | 46-18 | KOSHIRO Ryuta |
| KATORI Michihiro | 55-09 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 53-11 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 39-25 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 51-13 | KOSHIRO Ryuta |
| SATO Tetsuya | 46-18 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 34-30 | SHIMIZU Takumi |
| KOSHIRO Ryuta | 37-27 | KOZUKA Kenta |
| FUJIMURA Takimoto | 48-16 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 52-12 | KOSHIRO Ryuta |
| MIYASAKA Kiyotaka | 60-04 | KOSHIRO Ryuta |
| SATO Tetsuya | 48-16 | KOSHIRO Ryuta |
| SASAKI Sohei | 54-10 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 58-06 | KOSHIRO Ryuta |
| TAKAHASHI Hisashi | 54-10 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 33-31 | NOZAKI Jyunetsu |
| KANEKO Masaru | 64-00 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | won against | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 44-20 | KOSHIRO Ryuta |
| SASAKI Sohei | 64-00 | KOSHIRO Ryuta |
| KIYONOBU Kenta | 64-00 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 38-26 | KOSHIRO Ryuta |
| KIYONOBU Kenta | 56-08 | KOSHIRO Ryuta |
| SASAKI Sohei | 60-04 | KOSHIRO Ryuta |
| SATO Tetsuya | 34-30 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 55-09 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 45-19 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 55-09 | KOSHIRO Ryuta |
| SATO Tetsuya | 55-09 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 52-12 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 54-10 | KOSHIRO Ryuta |
| KIYONOBU Kenta | 64-00 | KOSHIRO Ryuta |
| SASAKI Sohei | 42-22 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 43-21 | SATO Tetsuya |
| SASAKI Sohei | 55-09 | KOSHIRO Ryuta |
| SAKUSAI Hitoshi | 53-11 | KOSHIRO Ryuta |
| SATO Tetsuya | 51-13 | KOSHIRO Ryuta |
| UESEGI Ryohei | 63-01 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 54-10 | KOSHIRO Ryuta |
| KIYONOBU Kenta | 59-05 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 58-06 | KOSHIRO Ryuta |
| KOSHIRO Ryuta | 35-29 | YAMADA Yukie |
| TAKENOBU Kosuke | 58-06 | KOSHIRO Ryuta |
| SATO Tetsuya | 48-16 | KOSHIRO Ryuta |
| TAKAHASHI Satomi | 46-18 | KOSHIRO Ryuta |
| KIYONOBU Kenta | 60-04 | KOSHIRO Ryuta |
2013-10-27: 33_Sapporo_open(Japan)
| KOSHIRO Ryuta | 46-18 | MIURA Yoshida |
| SASAKI Sohei | 61-03 | KOSHIRO Ryuta |
| OKABAYASHI Noguchi | 50-14 | KOSHIRO Ryuta |
| YAMADA Yukie | 46-18 | KOSHIRO Ryuta |
| MIYAZIMA Mayu | 52-12 | KOSHIRO Ryuta |
| TAKENOBU Kosuke | 55-09 | KOSHIRO Ryuta |