Oya Koichi

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Graph

Data

Wins71
Losses107
Total178
Linkhttp://www.nihonkiin.or.j...
Linkhttp://senseis.xmp.net/?O...
Linkhttps://ja.wikipedia.org/...
Date of Birth1966-03-22

Game List

DateRatingColorResultOpponentKifu
2022-12-122964 Black Win Osuka Seira 2721 jpView game
2022-08-222963 Black Loss Xie Yimin 3062 jpView game
2021-11-292965 Black Loss Cho Chikun 3146 jpView game
2021-08-302966 White Win Takemiya Youkou 2743 jpView game
2021-08-302966 White Win Okada Yumiko 2647 jpView game
2021-08-302966 Black Loss Kurotaki Masaki 3021 jpView game
2021-04-012969 Black Loss Ishida Yoshio 3034 jpView game
2020-12-242972 White Loss Motoki Katsuya 3342 jpView game
2020-12-212972 Black Win Yoda Norimoto 3266 jpView game
2020-11-092972 Black Loss Hsu Chiayuan 3457 jpView game
2020-11-012972 Black Loss Yamamoto Kentaro 3002 jpView game
2020-11-012972 Black Loss Mochizuki Kenichi 3115 jpView game
2020-10-312972 Black Loss Ogata Masaki 3032 jpView game
2020-10-312972 Black Win Omori Yasushi 2856 jpView game
2020-08-242975 White Win Anzai Nobuaki 3278 jpView game
2020-08-242975 White Win Nakazawa Ayako 2720 jpView game
2019-12-122975 White Win Ueno Risa 2942 jpView game
2019-10-242974 White Loss Xie Yimin 3054 jpView game
2019-09-162974 Black Loss Iguchi Toyohide 3051 jpView game
2019-09-122974 White Loss Seki Kotaro 3234 jpView game
2018-11-202980 Black Loss Ohashi Hirofumi 3163 jpView game
2017-12-212990 Black Loss Imamura Toshiya 3182 jpView game
2017-06-222997 Black Loss Kataoka Satoshi 3110 jpView game
2016-12-153006 White Loss Ko Iso 3258 jpView game
2016-10-203009 White Win Ishida Yoshio 3044 jpView game
2015-12-243020 White Loss Yukawa Mitsuhisa 3116 jpView game
2015-11-263022 Black Loss Ishida Yoshio 3050 jpView game
2015-11-073023 White Loss O Meien 3183 jpView game
2015-10-083025 White Win Kobayashi Satoru 3225 jpView game
2015-01-263038 Black Loss Hong Seokui 3175 jpView game
2014-04-103056 Black Win Ishida Yoshio 3074 jpView game
2014-03-273057 Black Loss Otake Hideo 3036 jpView game
2014-02-063060 Black Win Hsu Chiayuan 3345 jpView game
2013-12-123061 White Loss Ishida Yoshio 3081 jpView game
2013-11-283062 White Loss Ichiriki Ryo 3347 jpView game
2013-02-073078 Black Loss So Yokoku 3168 jpView game
2013-01-193079 Black Loss Yuki Satoshi 3328 jpView game
2013-01-173080 White Win Shuto Shun 3176 jpView game
2012-12-153081 Black Win Tsuruyama Atsushi 3164 jpView game
2012-11-173082 White Win Yamashita Keigo 3366 jpView game
2012-11-083082 Black Win Kobayashi Satoru 3231 jpView game
2012-04-193077 Black Loss Hwang Jinhyung 3011 krView game
2012-01-123077 White Loss Yoda Norimoto 3259 jpView game
2012-01-123077 Black Win Nishimura Keiji 2962 jpView game
2011-12-033076 White Loss Takao Shinji 3376 jpView game
2011-11-173076 Black Loss Takao Shinji 3376 jpView game
2011-09-103077 Black Win Ogaki Yusaku 3075 jpView game
2011-04-293075 White Loss Lee Changho 3472 krView game
2011-03-313075 White Loss So Yokoku 3168 jpView game
2011-01-133075 Black Loss Mitani Tetsuya 3181 jpView game
2010-05-133078 White Loss Kono Rin 3368 jpView game
2009-11-303082 White Loss Kato Atsushi 3173 jpView game
2009-09-033085 White Win Rin Kaiho 3060 jpView game
2009-08-203085 White Loss Yuki Satoshi 3329 jpView game
2009-07-233086 Black Win Cho Chikun 3264 jpView game
2009-06-183086 Black Loss Ko Iso 3221 jpView game
2009-01-153087 White Win Takemiya Masaki 3184 jpView game
2008-12-183087 White Loss O Meien 3229 jpView game
2008-12-113087 White Loss Ryu Shikun 3239 jpView game
2008-11-273087 White Win Yoda Norimoto 3293 jpView game
2008-09-043085 White Loss Otake Hideo 3075 jpView game
2008-01-103085 Black Loss Cho Sonjin 3222 jpView game
2007-12-063085 Black Loss Takao Shinji 3382 jpView game
2007-03-153089 White Loss Yo Kagen 3034 jpView game
2006-12-073093 Black Loss Takemiya Masaki 3165 jpView game
2006-07-033100 White Loss Cho U 3449 jpView game
2006-05-293102 Black Win Yoda Norimoto 3338 jpView game
2006-05-253102 Black Loss Cho Chikun 3325 jpView game
2006-05-013103 Black Win Mizokami Tomochika 3218 jpView game
2006-02-163104 White Loss Kobayashi Satoru 3294 jpView game
2006-02-073104 Black Loss Takao Shinji 3383 jpView game
2006-01-123105 White Loss Kataoka Satoshi 3197 jpView game
2005-12-203106 Black Win Hashimoto Yujiro 2990 jpView game
2005-12-203106 Black Win Abe Yoshiteru 2849 jpView game
2005-12-053106 Black Win Yamada Kimio 3281 jpView game
2005-10-203106 Black Loss Cho Chikun 3327 jpView game
2005-01-183106 White Win Aragaki Takeshi 2858 jpView game
2005-01-063106 Black Loss Yokota Shigeaki 3122 jpView game
2004-12-203106 White Win Ryu Shikun 3201 jpView game
2004-07-153105 Black Loss O Rissei 3263 jpView game
2004-06-103105 White Loss Ohba Junya 2937 jpView game
2004-03-023107 White Loss Kamimura Haruo 3069 jpView game
2004-01-273109 White Win Nakaonoda Tomomi 3134 jpView game
2003-12-013110 Black Loss O Rissei 3286 jpView game
2003-07-273114 Black Win Hane Naoki 3313 jpView game
2003-06-233115 White Loss Cho Sonjin 3241 jpView game
2003-05-263115 Black Win Kono Rin 3250 jpView game
2003-04-073115 White Loss O Rissei 3281 jpView game
2003-01-203115 White Win Abe Yoshiteru 2847 jpView game
2003-01-203115 Black Win Otake Hideo 3130 jpView game
2002-12-093115 White Win Yokota Shigeaki 3113 jpView game
2002-12-093115 Black Win Kataoka Satoshi 3155 jpView game
2002-11-073113 Black Loss Kenmochi Joe 2963 jpView game
2002-04-213107 Black Loss Chin Kaei 3039 jpView game
2001-04-293103 White Loss Yuki Satoshi 3298 jpView game
2001-04-053103 Black Loss Yuki Satoshi 3296 jpView game
2001-03-083103 White Loss Cho Chikun 3335 jpView game
2001-02-083104 White Loss Hane Naoki 3279 jpView game
2001-01-183104 White Win Otake Hideo 3177 jpView game
2000-12-073104 Black Win Yamada Kimio 3268 jpView game
2000-11-093104 Black Loss Cho U 3285 jpView game
2000-10-193103 Black Loss Cho Sonjin 3262 jpView game
2000-09-183103 Black Loss Cho Sonjin 3261 jpView game
2000-07-133104 Black Win Kataoka Satoshi 3189 jpView game
1999-07-013099 White Loss Kato Masao 3293 jpView game
1999-06-203099 Black Loss Yoshida Mika 2906 jpView game
1999-04-293100 Black Win Hane Naoki 3240 jpView game
1999-02-013100 White Loss Tokimoto Hajime 3075 jpView game
1998-12-223101 White Win Muramatsu Ryuichi 2975 jpView game
1998-09-173102 Black Loss O Rissei 3334 jpView game
1998-08-233102 White Loss Tono Hiroaki 3227 jpView game
1998-08-203102 Black Win Oyama Kunio 3050 jpView game
1998-07-233102 Black Win Kato Masao 3294 jpView game
1998-04-303101 White Loss Hiroe Hiroyuki 2994 jpView game
1998-04-123101 White Win Kurahashi Masayuki 3143 jpView game
1998-04-023101 Black Win Yuki Satoshi 3248 jpView game
1997-08-073092 Black Loss O Meien 3230 jpView game
1997-03-063088 Black Loss Iwata Tatsuaki 3100 jpView game
1997-02-173088 White Loss Hisajima Kunio 3103 jpView game
1997-01-163088 Black Win Kojima Takaho 2943 jpView game
1996-12-163088 Black Win Nakano Hironari 3191 jpView game
1996-12-163088 White Win Tei Meiko 2873 jpView game
1995-03-093069 White Loss Ushinohama Satsuo 3068 jpView game
1995-02-093069 Black Loss Nakamura Hidehito 2983 jpView game
1994-11-243069 Black Loss Kurahashi Masayuki 3139 jpView game
1994-11-103069 White Win Kishimoto Kazuo 2899 jpView game
1994-08-113071 White Loss Mimura Tomoyasu 3166 jpView game
1994-04-143073 Black Loss Rin Kaiho 3289 jpView game
1994-03-173074 White Win Yamada Kimio 3219 jpView game
1994-01-273075 White Win Kataoka Satoshi 3274 jpView game
1993-12-133074 Black Loss Nakano Hironari 3149 jpView game
1993-10-023073 White Loss Komatsu Hideki 3195 jpView game
1993-07-013074 White Loss Yuki Satoshi 3199 jpView game
1993-04-293075 Black Win Ryu Shikun 3226 jpView game
1993-03-133074 Black Win Ryu Shikun 3224 jpView game
1993-03-113074 White Loss Kobayashi Satoru 3353 jpView game
1992-11-123071 White Loss Cho Chikun 3377 jpView game
1992-11-023071 Black Loss Nakaonoda Tomomi 3133 jpView game
1992-10-153071 Black Win Cho Sonjin 3186 jpView game
1992-07-303069 White Loss Sakata Eio 3077 jpView game
1992-05-213068 White Loss O Rissei 3322 jpView game
1992-03-253067 White Loss Yuki Satoshi 3159 jpView game
1992-03-223067 White Loss Cho Sonjin 3190 jpView game
1992-03-083068 White Win Aoki Shinichi 3012 jpView game
1991-12-163068 White Loss Iwata Hajime 2876 jpView game
1991-11-253068 White Win Imamura Yoshiaki 3037 jpView game
1991-11-073068 Black Loss Kobayashi Koichi 3369 jpView game
1991-10-243068 Black Loss Shiraishi Yutaka 3065 jpView game
1991-09-263069 Black Win Honda Kunihisa 3221 jpView game
1991-08-223070 White Win Yamada Wakio 2890 jpView game
1991-06-203069 Black Loss Yoda Norimoto 3284 jpView game
1991-05-163070 Black Win Kanashima Tadashi 3004 jpView game
1990-10-153069 Black Loss Aoki Shinichi 3025 jpView game
1990-04-303071 Black Win Yang Hui 3081 cnView game
1990-04-293071 Black Loss Liao Guiyong 3090 cnView game
1990-04-283071 White Loss Liao Guiyong 3090 cnView game
1989-02-263085 White Loss Kobayashi Satoru 3305 jpView game
1989-01-293086 White Win Fujisawa Hideyuki 3243 jpView game
1988-10-233088 White Win Shiraishi Yutaka 3083 jpView game
1988-08-063087 Black Loss Hidaka Toshiyuki 2863 jpView game
1988-04-173090 Black Win Nakamura Hidehito 3046 jpView game
1987-06-253092 Black Loss Rin Kaiho 3335 jpView game
1987-06-033092 Black Win Yang Hui 3053 cnView game
1987-05-313092 Black Loss Yu Bin 3206 cnView game
1987-05-283093 White Loss Yu Bin 3206 cnView game
1987-05-263093 White Win Liang Weitang 3030 cnView game
1987-05-243093 Black Win Wang Jianhong 3021 cnView game
1987-05-223093 White Win Zhang Wendong 3184 cnView game
1987-05-203093 Black Win Zhang Wendong 3183 cnView game
1987-03-263090 Black Win Sonoda Yuichi 3243 jpView game
1986-08-173075 Black Loss Yoda Norimoto 3253 jpView game
1986-08-103075 Black Win Aragaki Takeshi 3032 jpView game
1986-07-243074 White Loss O Rissei 3256 jpView game
1986-06-143071 White Loss Yamada Wakio 2951 jpView game
1986-05-213070 Black Loss Ishikura Noboru 3068 jpView game
1986-02-133068 Black Loss Ishida Yoshio 3273 jpView game
1985-02-133062 White Win Hidaka Toshiyuki 2847 jpView game
1984-09-013059 White Loss Ogata Masaki 3050 jpView game

Contact: Rémi Coulom.