Oya Kouichi

Graph

Data

Wins	75
Losses	115
Total	190
Link	https://www.nihonkiin.or....
Link	https://www.baduk.or.kr/r...
Link	http://senseis.xmp.net/?O...
Link	https://ja.wikipedia.org/...
Date of Birth	1966-03-22

Game List

Date	Rating	Color	Result	Opponent			Kifu
2026-03-30	2841	White	Loss	Toyoda Hirohito	3000	♂	\| nihon_kiin \| go4go \|
2026-02-12	2842	Black	Loss	Jo Bunen	2953	♀	\| nihon_kiin \| go4go \|
2025-08-18	2846	Black	Loss	Izawa Akino	2747	♀	\| nihon_kiin \|
2025-01-30	2854	Black	Loss	Yoda Norimoto	3207	♂	\| nihon_kiin \| go4go \|
2025-01-20	2855	White	Loss	Kobayashi Izumi	2942	♀	\| nihon_kiin \| go4go \|
2024-09-23	2862	Black	Loss	Shimojima Yohei	3045	♂	\| nihon_kiin \|
2024-08-22	2864	Black	Win	Nyu Eiko	3048	♀	\| nihon_kiin \| go4go \|
2023-08-21	2881	White	Loss	Kono Takashi	3062	♂	\| nihon_kiin \| go4go \|
2023-07-13	2883	Black	Loss	Chang Hsu	3337	♂	\| nihon_kiin \| go4go \|
2022-12-12	2895	Black	Win	Osuka Seira	2711	♀	\| nihon_kiin \| go4go \|
2022-08-22	2900	Black	Loss	Hsieh Yi Min	3073	♀	\| nihon_kiin \| go4go \|
2021-11-29	2916	Black	Loss	Cho Chi Hun	3156	♂	\| nihon_kiin \| go4go \|
2021-08-30	2921	White	Win	Takemiya Yoko	2807	♂	\| nihon_kiin \| go4go \|
2021-08-30	2921	White	Win	Okada Yumiko	2604	♀	\| nihon_kiin \| go4go \|
2021-08-30	2921	Black	Loss	Kurotaki Masaki	2934	♂	\| nihon_kiin \| go4go \|
2021-04-01	2931	Black	Loss	Ishida Yoshio	2999	♂	\| go4go \|
2020-12-24	2939	White	Loss	Motoki Katsuya	3370	♂	\| nihon_kiin \| go4go \|
2020-12-21	2939	Black	Win	Yoda Norimoto	3270	♂	\| nihon_kiin \| go4go \|
2020-11-09	2941	Black	Loss	Hsu Chia Yuan	3478	♂	\| nihon_kiin \| go4go \|
2020-11-01	2941	Black	Loss	Mochizuki Kenichi	3144	♂	\| nihon_kiin \| go4go \|
2020-11-01	2941	Black	Loss	Yamamoto Kentaro	2857	♂	\| nihon_kiin \| go4go \|
2020-10-31	2941	Black	Loss	Ogata Masaki	3094	♂	\| nihon_kiin \| go4go \|
2020-10-31	2941	Black	Win	Omori Yasushi	2880	♂	\| nihon_kiin \| go4go \|
2020-08-24	2947	White	Win	Nakazawa Ayako	2684	♀	\| nihon_kiin \| go4go \|
2020-08-24	2947	White	Win	Anzai Nobuaki	3276	♂	\| nihon_kiin \| go4go \|
2019-12-12	2957	White	Win	Ueno Risa	2941	♀	\| nihon_kiin \| go4go \|
2019-10-24	2958	White	Loss	Hsieh Yi Min	3074	♀	\| nihon_kiin \| go4go \|
2019-09-16	2960	Black	Loss	Iguchi Toyohide	3056	♂	\| nihon_kiin \| go4go \|
2019-09-12	2960	White	Loss	Seki Koutarou	3268	♂	\| nihon_kiin \| go4go \|
2019-07-18	2963	Black	Win	Takemiya Masaki	2997	♂	\| nihon_kiin \|
2018-11-20	2971	Black	Loss	Ohashi Hirofumi	3156	♂	\| go4go \|
2017-12-21	2985	Black	Loss	Imamura Toshiya	3221	♂	\| go4go \|
2017-06-22	2995	Black	Loss	Kataoka Satoshi	3116	♂	\| nihon_kiin \| go4go \|
2016-12-15	3006	White	Loss	Huang Yih Tzuu	3270	♂	\| go4go \|
2016-10-20	3010	White	Win	Ishida Yoshio	3033	♂	\| nihon_kiin \| go4go \|
2015-12-24	3025	White	Loss	Yukawa Mitsuhisa	3118	♂	\| go4go \|
2015-11-26	3027	Black	Loss	Ishida Yoshio	3043	♂	\| nihon_kiin \| go4go \|
2015-11-07	3029	White	Loss	Wang Ming Wan	3192	♂	\| nihon_kiin \| go4go \|
2015-10-08	3031	White	Win	Kobayashi Satoru	3229	♂	\| nihon_kiin \| go4go \|
2015-01-26	3047	Black	Loss	Hong Seokui	3201	♂	\| go4go \|
2014-04-10	3069	Black	Win	Ishida Yoshio	3070	♂	\| nihon_kiin \| go4go \|
2014-03-27	3070	Black	Loss	Otake Hideo	3043	♂	\| go4go \|
2014-02-06	3074	Black	Win	Hsu Chia Yuan	3358	♂	\| go4go \|
2013-12-12	3076	White	Loss	Ishida Yoshio	3077	♂	\| nihon_kiin \| go4go \|
2013-11-28	3077	White	Loss	Ichiriki Ryo	3346	♂	\| nihon_kiin \| go4go \|
2013-02-07	3098	Black	Loss	Su Yaoguo	3179	♂	\| go4go \|
2013-01-19	3099	Black	Loss	Yuki Satoshi	3335	♂	\| nihon_kiin \| go4go \|
2013-01-17	3100	White	Win	Shuto Shun	3172	♂	\| go4go \|
2012-12-15	3102	Black	Win	Tsuruyama Atsushi	3170	♂	\| nihon_kiin \| go4go \|
2012-11-17	3103	White	Win	Yamashita Keigo	3375	♂	\| nihon_kiin \| go4go \|
2012-11-08	3103	Black	Win	Kobayashi Satoru	3242	♂	\| nihon_kiin \| go4go \|
2012-07-09	3102	White	Win	Imamura Yoshiaki	3035	♂	\| nihon_kiin \|
2012-07-09	3102	Black	Win	Furuya Yutaka	3074	♂	\| nihon_kiin \|
2012-04-19	3099	Black	Loss	Hwang Jinhyung	3039	♂	\| kba \| go4go \|
2012-01-12	3098	Black	Win	Nishimura Keiji	2955	♂	\| go4go \|
2012-01-12	3098	White	Loss	Yoda Norimoto	3266	♂	\| go4go \|
2011-12-03	3097	White	Loss	Takao Shinji	3382	♂	\| go4go \|
2011-11-17	3097	Black	Loss	Takao Shinji	3382	♂	\| go4go \|
2011-09-10	3097	Black	Win	Ogaki Yusaku	3067	♂	\| go4go \|
2011-04-29	3094	White	Loss	Lee Changho	3496	♂	\| kba \| go4go \|
2011-03-31	3093	White	Loss	Su Yaoguo	3181	♂	\| go4go \|
2011-01-13	3093	Black	Loss	Mitani Tetsuya	3181	♂	\| go4go \|
2010-05-13	3095	White	Loss	Kono Rin	3375	♂	\| go4go \|
2009-11-30	3097	White	Loss	Kato Atsushi	3175	♂	\| go4go \|
2009-09-03	3099	White	Win	Lin Hai Fong	3065	♂	\| go4go \|
2009-08-20	3099	White	Loss	Yuki Satoshi	3343	♂	\| go4go \|
2009-07-23	3100	Black	Win	Cho Chi Hun	3272	♂	\| go4go \|
2009-06-18	3099	Black	Loss	Huang Yih Tzuu	3227	♂	\| go4go \|
2009-01-15	3100	White	Win	Takemiya Masaki	3186	♂	\| go4go \|
2008-12-18	3099	White	Loss	Wang Ming Wan	3234	♂	\| go4go \|
2008-12-11	3099	White	Loss	Ryu Si Hoon	3246	♂	\| go4go \|
2008-11-27	3099	White	Win	Yoda Norimoto	3297	♂	\| go4go \|
2008-09-04	3097	White	Loss	Otake Hideo	3078	♂	\| go4go \|
2008-01-10	3096	Black	Loss	Cho Sun Jin	3228	♂	\| go4go \|
2007-12-06	3096	Black	Loss	Takao Shinji	3395	♂	\| go4go \|
2007-03-15	3100	White	Loss	Yang Chia Yuan	3028	♂	\| go4go \|
2006-12-07	3103	Black	Loss	Takemiya Masaki	3169	♂	\| go4go \|
2006-07-03	3110	White	Loss	Chang Hsu	3451	♂	\| go4go \|
2006-05-29	3112	Black	Win	Yoda Norimoto	3343	♂	\| go4go \|
2006-05-25	3112	Black	Loss	Cho Chi Hun	3331	♂	\| go4go \|
2006-05-01	3113	Black	Win	Mizokami Tomochika	3227	♂	\| go4go \|
2006-02-16	3113	White	Loss	Kobayashi Satoru	3304	♂	\| go4go \|
2006-02-07	3114	Black	Loss	Takao Shinji	3410	♂	\| go4go \|
2006-01-12	3114	White	Loss	Kataoka Satoshi	3206	♂	\| go4go \|
2005-12-20	3115	Black	Win	Abe Yoshiteru	2844	♂	\| go4go \|
2005-12-20	3115	Black	Win	Hashimoto Yujiro	3000	♂	\| go4go \|
2005-12-05	3115	Black	Win	Yamada Kimio	3291	♂	\| go4go \|
2005-10-20	3115	Black	Loss	Cho Chi Hun	3332	♂	\| go4go \|
2005-01-18	3115	White	Win	Aragaki Takeshi	2859	♂	\| go4go \|
2005-01-06	3115	Black	Loss	Yokota Shigeaki	3138	♂	\| go4go \|
2004-12-20	3115	White	Win	Ryu Si Hoon	3212	♂	\| go4go \|
2004-07-15	3113	Black	Loss	Wang Li Chen	3276	♂	\| go4go \|
2004-06-10	3113	White	Loss	Oba Junya	2934	♂	\| go4go \|
2004-03-02	3115	White	Loss	Kamimura Haruo	3073	♂	\| go4go \|
2004-01-27	3116	White	Win	Nakaonoda Tomomi	3138	♂	\| go4go \|
2003-12-01	3118	Black	Loss	Wang Li Chen	3296	♂	\| go4go \|
2003-07-27	3122	Black	Win	Hane Naoki	3325	♂	\| go4go \|
2003-06-23	3122	White	Loss	Cho Sun Jin	3250	♂	\| go4go \|
2003-05-26	3123	Black	Win	Kono Rin	3263	♂	\| go4go \|
2003-04-07	3122	White	Loss	Wang Li Chen	3289	♂	\| go4go \|
2003-01-20	3122	Black	Win	Otake Hideo	3141	♂	\| go4go \|
2003-01-20	3122	White	Win	Abe Yoshiteru	2841	♂	\| go4go \|
2002-12-09	3122	Black	Win	Kataoka Satoshi	3165	♂	\| go4go \|
2002-12-09	3122	White	Win	Yokota Shigeaki	3123	♂	\| go4go \|
2002-11-07	3120	Black	Loss	Kenmochi Jo	2972	♂	\| go4go \|
2002-04-21	3113	Black	Loss	Chen Kayui	3036	♂	\| go4go \|
2001-04-29	3109	White	Loss	Yuki Satoshi	3302	♂	\| go4go \|
2001-04-05	3109	Black	Loss	Yuki Satoshi	3300	♂	\| go4go \|
2001-03-08	3109	White	Loss	Cho Chi Hun	3346	♂	\| go4go \|
2001-02-08	3110	White	Loss	Hane Naoki	3288	♂	\| go4go \|
2001-01-18	3110	White	Win	Otake Hideo	3187	♂	\| go4go \|
2000-12-07	3110	Black	Win	Yamada Kimio	3284	♂	\| go4go \|
2000-11-09	3109	Black	Loss	Chang Hsu	3294	♂	\| go4go \|
2000-10-19	3109	Black	Loss	Cho Sun Jin	3275	♂	\| go4go \|
2000-09-18	3109	Black	Loss	Cho Sun Jin	3275	♂	\| go4go \|
2000-07-13	3109	Black	Win	Kataoka Satoshi	3195	♂	\| go4go \|
1999-07-01	3103	White	Loss	Kato Masao	3306	♂	\| go4go \|
1999-06-20	3103	Black	Loss	Yoshida Mika	2884	♀	\| go4go \|
1999-04-29	3104	Black	Win	Hane Naoki	3249	♂	\| go4go \|
1999-02-01	3104	White	Loss	Tokimoto Hajime	3076	♂	\| go4go \|
1998-12-22	3105	White	Win	Muramatsu Ryuichi	2971	♂	\| go4go \|
1998-09-17	3105	Black	Loss	Wang Li Chen	3347	♂	\| go4go \|
1998-08-23	3105	White	Loss	Tono Hiroaki	3241	♂	\| go4go \|
1998-08-20	3105	Black	Win	Oyama Kunio	3028	♂	\| go4go \|
1998-07-23	3105	Black	Win	Kato Masao	3307	♂	\| go4go \|
1998-04-30	3104	White	Loss	Hiroe Hiroyuki	2981	♂	\| go4go \|
1998-04-12	3104	White	Win	Kurahashi Masayuki	3139	♂	\| go4go \|
1998-04-02	3104	Black	Win	Yuki Satoshi	3263	♂	\| go4go \|
1997-08-07	3094	Black	Loss	Wang Ming Wan	3235	♂	\| go4go \|
1997-03-06	3090	Black	Loss	Iwata Tatsuaki	3085	♂	\| go4go \|
1997-02-17	3090	White	Loss	Hisajima Kunio	3096	♂	\| go4go \|
1997-01-16	3090	Black	Win	Kojima Takaho	2926	♂	\| go4go \|
1996-12-16	3090	White	Win	Cheng Ming Huang	2867	♂	\| go4go \|
1996-12-16	3090	Black	Win	Nakano Hironari	3201	♂	\| go4go \|
1995-03-09	3071	White	Loss	Ushinohama Satsuo	3053	♂	\| go4go \|
1995-02-09	3070	Black	Loss	Nakamura Hidehito	2983	♂	\| go4go \|
1994-11-24	3071	Black	Loss	Kurahashi Masayuki	3139	♂	\| go4go \|
1994-08-11	3073	White	Loss	Mimura Tomoyasu	3175	♂	\| go4go \|
1994-04-14	3077	Black	Loss	Lin Hai Fong	3291	♂	\| go4go \|
1994-03-17	3078	White	Win	Yamada Kimio	3225	♂	\| go4go \|
1994-02-17	3079	Black	Loss	Kataoka Satoshi	3278	♂	\| go4go \|
1994-01-27	3080	White	Win	Kataoka Satoshi	3278	♂	\| go4go \|
1993-12-13	3080	Black	Loss	Nakano Hironari	3151	♂	\| go4go \|
1993-10-02	3081	White	Loss	Komatsu Hideki	3206	♂	\| go4go \|
1993-07-01	3083	White	Loss	Yuki Satoshi	3205	♂	\| go4go \|
1993-04-29	3085	Black	Win	Ryu Si Hoon	3231	♂	\| go4go \|
1993-03-13	3086	Black	Win	Ryu Si Hoon	3229	♂	\| go4go \|
1993-03-11	3086	White	Loss	Kobayashi Satoru	3354	♂	\| go4go \|
1992-11-12	3085	White	Loss	Cho Chi Hun	3382	♂	\| go4go \|
1992-11-02	3085	Black	Loss	Nakaonoda Tomomi	3132	♂	\| go4go \|
1992-10-17	3085	White	Win	Michael Redmond	3075	♂	\| go4go \|
1992-10-15	3085	Black	Win	Cho Sun Jin	3191	♂	\| go4go \|
1992-07-30	3084	White	Loss	Sakata Eio	3098	♂	\| go4go \|
1992-05-21	3083	White	Loss	Wang Li Chen	3326	♂	\| go4go \|
1992-03-25	3083	White	Loss	Yuki Satoshi	3161	♂	\| go4go \|
1992-03-22	3083	White	Loss	Cho Sun Jin	3194	♂	\| go4go \|
1992-03-08	3083	White	Win	Aoki Shinichi	3009	♂	\| go4go \|
1991-12-16	3084	White	Loss	Iwata Hajime	2909	♂	\| go4go \|
1991-11-25	3084	White	Win	Imamura Yoshiaki	3024	♂	\| go4go \|
1991-11-07	3085	Black	Loss	Kobayashi Koichi	3368	♂	\| go4go \|
1991-10-24	3085	Black	Loss	Shiraishi Yutaka	3050	♂	\| go4go \|
1991-09-26	3086	Black	Win	Honda Kunihisa	3212	♂	\| go4go \|
1991-08-22	3087	White	Win	Yamada Wakio	2910	♂	\| go4go \|
1991-06-20	3087	Black	Loss	Yoda Norimoto	3283	♂	\| go4go \|
1991-05-16	3088	Black	Win	Kanashima Tadashi	3007	♂	\| go4go \|
1990-10-15	3089	Black	Loss	Aoki Shinichi	3023	♂	\| go4go \|
1990-04-30	3094	Black	Win	Yang Hui	3083	♀	\| go4go \|
1990-04-29	3094	Black	Loss	Liao Guiyong	3102	♂	\| go4go \|
1990-04-28	3094	White	Loss	Liao Guiyong	3102	♂	\| go4go \|
1989-02-26	3115	White	Loss	Kobayashi Satoru	3293	♂	\| go4go \|
1989-01-29	3117	White	Win	Fujisawa Hideyuki	3233	♂	\| go4go \|
1988-10-23	3120	White	Win	Shiraishi Yutaka	3069	♂	\| go4go \|
1988-04-17	3123	Black	Win	Nakamura Hidehito	3037	♂	\| go4go \|
1987-11-12	3123	White	Win	Fujisawa Hideyuki	3227	♂	\| go4go \|
1987-06-25	3120	Black	Loss	Lin Hai Fong	3327	♂	\| go4go \|
1987-06-03	3120	Black	Win	Yang Hui	3059	♀	\| go4go \|
1987-05-31	3120	Black	Loss	Yu Bin	3210	♂	\| go4go \|
1987-05-28	3120	White	Loss	Yu Bin	3210	♂	\| go4go \|
1987-05-26	3120	White	Win	Liang Weitang	3036	♂	\| go4go \|
1987-05-24	3120	Black	Win	Wang Jianhong	3021	♂	\| go4go \|
1987-05-22	3120	White	Win	Zhang Wendong	3192	♂	\| go4go \|
1987-05-20	3120	Black	Win	Zhang Wendong	3192	♂	\| go4go \|
1987-03-26	3116	Black	Win	Sonoda Yuichi	3228	♂	\| go4go \|
1986-08-17	3098	Black	Loss	Yoda Norimoto	3250	♂	\| go4go \|
1986-08-10	3097	Black	Win	Aragaki Takeshi	3013	♂	\| go4go \|
1986-07-24	3096	White	Loss	Wang Li Chen	3256	♂	\| go4go \|
1986-06-14	3092	White	Loss	Yamada Wakio	2962	♂	\| go4go \|
1986-05-21	3091	Black	Loss	Ishikura Noboru	3051	♂	\| go4go \|
1986-02-13	3087	Black	Loss	Ishida Yoshio	3266	♂	\| go4go \|
1984-09-01	3074	White	Loss	Ogata Masaki	3043	♂	\| go4go \|