Oya Kouichi

Graph

Data

Wins	75
Losses	114
Total	189
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	2843	White	Loss	Toyoda Hirohito	2970	♂	\| nihon_kiin \| go4go \|
2026-02-12	2843	Black	Loss	Jo Bunen	2947	♀	\| nihon_kiin \| go4go \|
2025-08-18	2847	Black	Loss	Izawa Akino	2752	♀	\| nihon_kiin \|
2025-01-30	2857	Black	Loss	Yoda Norimoto	3201	♂	\| nihon_kiin \| go4go \|
2025-01-20	2857	White	Loss	Kobayashi Izumi	2915	♀	\| nihon_kiin \| go4go \|
2024-09-23	2865	Black	Loss	Shimojima Yohei	3045	♂	\| nihon_kiin \|
2024-08-22	2867	Black	Win	Nyu Eiko	3036	♀	\| nihon_kiin \| go4go \|
2023-08-21	2885	White	Loss	Kono Takashi	3066	♂	\| nihon_kiin \| go4go \|
2023-07-13	2888	Black	Loss	Chang Hsu	3332	♂	\| nihon_kiin \| go4go \|
2022-12-12	2900	Black	Win	Osuka Seira	2699	♀	\| nihon_kiin \| go4go \|
2022-08-22	2906	Black	Loss	Hsieh Yi Min	3065	♀	\| nihon_kiin \| go4go \|
2021-11-29	2923	Black	Loss	Cho Chi Hun	3187	♂	\| nihon_kiin \| go4go \|
2021-08-30	2929	White	Win	Takemiya Yoko	2817	♂	\| nihon_kiin \| go4go \|
2021-08-30	2929	White	Win	Okada Yumiko	2626	♀	\| nihon_kiin \| go4go \|
2021-08-30	2929	Black	Loss	Kurotaki Masaki	2934	♂	\| nihon_kiin \| go4go \|
2020-12-24	2947	White	Loss	Motoki Katsuya	3374	♂	\| nihon_kiin \| go4go \|
2020-12-21	2947	Black	Win	Yoda Norimoto	3258	♂	\| nihon_kiin \| go4go \|
2020-11-09	2949	Black	Loss	Hsu Chia Yuan	3482	♂	\| nihon_kiin \| go4go \|
2020-11-01	2949	Black	Loss	Mochizuki Kenichi	3138	♂	\| nihon_kiin \| go4go \|
2020-11-01	2949	Black	Loss	Yamamoto Kentaro	2831	♂	\| nihon_kiin \| go4go \|
2020-10-31	2949	Black	Loss	Ogata Masaki	3117	♂	\| nihon_kiin \| go4go \|
2020-10-31	2949	Black	Win	Omori Yasushi	2876	♂	\| nihon_kiin \| go4go \|
2020-08-24	2954	White	Win	Nakazawa Ayako	2663	♀	\| nihon_kiin \| go4go \|
2020-08-24	2954	White	Win	Anzai Nobuaki	3276	♂	\| nihon_kiin \| go4go \|
2019-12-12	2963	White	Win	Ueno Risa	2924	♀	\| nihon_kiin \| go4go \|
2019-10-24	2964	White	Loss	Hsieh Yi Min	3067	♀	\| nihon_kiin \| go4go \|
2019-09-16	2965	Black	Loss	Iguchi Toyohide	3053	♂	\| nihon_kiin \| go4go \|
2019-09-12	2965	White	Loss	Seki Koutarou	3246	♂	\| nihon_kiin \| go4go \|
2019-07-18	2968	Black	Win	Takemiya Masaki	3001	♂	\| nihon_kiin \|
2018-11-20	2975	Black	Loss	Ohashi Hirofumi	3146	♂	\| go4go \|
2017-12-21	2988	Black	Loss	Imamura Toshiya	3218	♂	\| go4go \|
2017-06-22	2997	Black	Loss	Kataoka Satoshi	3112	♂	\| nihon_kiin \| go4go \|
2016-12-15	3008	White	Loss	Huang Yih Tzuu	3268	♂	\| go4go \|
2016-10-20	3012	White	Win	Ishida Yoshio	3039	♂	\| nihon_kiin \| go4go \|
2015-12-24	3026	White	Loss	Yukawa Mitsuhisa	3115	♂	\| go4go \|
2015-11-26	3028	Black	Loss	Ishida Yoshio	3045	♂	\| nihon_kiin \| go4go \|
2015-11-07	3029	White	Loss	Wang Ming Wan	3189	♂	\| nihon_kiin \| go4go \|
2015-10-08	3032	White	Win	Kobayashi Satoru	3226	♂	\| nihon_kiin \| go4go \|
2015-01-26	3048	Black	Loss	Hong Seokui	3197	♂	\| go4go \|
2014-04-10	3069	Black	Win	Ishida Yoshio	3070	♂	\| nihon_kiin \| go4go \|
2014-03-27	3070	Black	Loss	Otake Hideo	3040	♂	\| go4go \|
2014-02-06	3073	Black	Win	Hsu Chia Yuan	3355	♂	\| go4go \|
2013-12-12	3076	White	Loss	Ishida Yoshio	3076	♂	\| nihon_kiin \| go4go \|
2013-11-28	3076	White	Loss	Ichiriki Ryo	3343	♂	\| nihon_kiin \| go4go \|
2013-02-07	3097	Black	Loss	Su Yaoguo	3176	♂	\| go4go \|
2013-01-19	3098	Black	Loss	Yuki Satoshi	3331	♂	\| nihon_kiin \| go4go \|
2013-01-17	3098	White	Win	Shuto Shun	3170	♂	\| go4go \|
2012-12-15	3101	Black	Win	Tsuruyama Atsushi	3166	♂	\| nihon_kiin \| go4go \|
2012-11-17	3102	White	Win	Yamashita Keigo	3372	♂	\| nihon_kiin \| go4go \|
2012-11-08	3102	Black	Win	Kobayashi Satoru	3240	♂	\| nihon_kiin \| go4go \|
2012-07-09	3101	White	Win	Imamura Yoshiaki	3029	♂	\| nihon_kiin \|
2012-07-09	3101	Black	Win	Furuya Yutaka	3071	♂	\| nihon_kiin \|
2012-04-19	3098	Black	Loss	Hwang Jinhyung	3036	♂	\| kba \| go4go \|
2012-01-12	3096	Black	Win	Nishimura Keiji	2954	♂	\| go4go \|
2012-01-12	3096	White	Loss	Yoda Norimoto	3263	♂	\| go4go \|
2011-12-03	3096	White	Loss	Takao Shinji	3379	♂	\| go4go \|
2011-11-17	3095	Black	Loss	Takao Shinji	3379	♂	\| go4go \|
2011-09-10	3095	Black	Win	Ogaki Yusaku	3063	♂	\| go4go \|
2011-04-29	3092	White	Loss	Lee Changho	3491	♂	\| kba \| go4go \|
2011-03-31	3091	White	Loss	Su Yaoguo	3178	♂	\| go4go \|
2011-01-13	3091	Black	Loss	Mitani Tetsuya	3178	♂	\| go4go \|
2010-05-13	3093	White	Loss	Kono Rin	3373	♂	\| go4go \|
2009-11-30	3095	White	Loss	Kato Atsushi	3171	♂	\| go4go \|
2009-09-03	3097	White	Win	Lin Hai Fong	3062	♂	\| go4go \|
2009-08-20	3097	White	Loss	Yuki Satoshi	3340	♂	\| go4go \|
2009-07-23	3098	Black	Win	Cho Chi Hun	3269	♂	\| go4go \|
2009-06-18	3098	Black	Loss	Huang Yih Tzuu	3225	♂	\| go4go \|
2009-01-15	3098	White	Win	Takemiya Masaki	3184	♂	\| go4go \|
2008-12-18	3098	White	Loss	Wang Ming Wan	3232	♂	\| go4go \|
2008-12-11	3098	White	Loss	Ryu Si Hoon	3243	♂	\| go4go \|
2008-11-27	3098	White	Win	Yoda Norimoto	3294	♂	\| go4go \|
2008-09-04	3096	White	Loss	Otake Hideo	3076	♂	\| go4go \|
2008-01-10	3094	Black	Loss	Cho Sun Jin	3225	♂	\| go4go \|
2007-12-06	3095	Black	Loss	Takao Shinji	3392	♂	\| go4go \|
2007-03-15	3098	White	Loss	Yang Chia Yuan	3026	♂	\| go4go \|
2006-12-07	3101	Black	Loss	Takemiya Masaki	3167	♂	\| go4go \|
2006-07-03	3108	White	Loss	Chang Hsu	3448	♂	\| go4go \|
2006-05-29	3110	Black	Win	Yoda Norimoto	3341	♂	\| go4go \|
2006-05-25	3110	Black	Loss	Cho Chi Hun	3329	♂	\| go4go \|
2006-05-01	3111	Black	Win	Mizokami Tomochika	3225	♂	\| go4go \|
2006-02-16	3111	White	Loss	Kobayashi Satoru	3302	♂	\| go4go \|
2006-02-07	3112	Black	Loss	Takao Shinji	3408	♂	\| go4go \|
2006-01-12	3112	White	Loss	Kataoka Satoshi	3205	♂	\| go4go \|
2005-12-20	3113	Black	Win	Abe Yoshiteru	2842	♂	\| go4go \|
2005-12-20	3113	Black	Win	Hashimoto Yujiro	2998	♂	\| go4go \|
2005-12-05	3113	Black	Win	Yamada Kimio	3289	♂	\| go4go \|
2005-10-20	3113	Black	Loss	Cho Chi Hun	3330	♂	\| go4go \|
2005-01-18	3113	White	Win	Aragaki Takeshi	2857	♂	\| go4go \|
2005-01-06	3113	Black	Loss	Yokota Shigeaki	3136	♂	\| go4go \|
2004-12-20	3113	White	Win	Ryu Si Hoon	3210	♂	\| go4go \|
2004-07-15	3111	Black	Loss	Wang Li Chen	3273	♂	\| go4go \|
2004-06-10	3111	White	Loss	Oba Junya	2932	♂	\| go4go \|
2004-03-02	3113	White	Loss	Kamimura Haruo	3072	♂	\| go4go \|
2004-01-27	3115	White	Win	Nakaonoda Tomomi	3136	♂	\| go4go \|
2003-12-01	3116	Black	Loss	Wang Li Chen	3294	♂	\| go4go \|
2003-07-27	3120	Black	Win	Hane Naoki	3322	♂	\| go4go \|
2003-06-23	3120	White	Loss	Cho Sun Jin	3248	♂	\| go4go \|
2003-05-26	3121	Black	Win	Kono Rin	3261	♂	\| go4go \|
2003-04-07	3121	White	Loss	Wang Li Chen	3287	♂	\| go4go \|
2003-01-20	3121	Black	Win	Otake Hideo	3139	♂	\| go4go \|
2003-01-20	3121	White	Win	Abe Yoshiteru	2840	♂	\| go4go \|
2002-12-09	3120	Black	Win	Kataoka Satoshi	3163	♂	\| go4go \|
2002-12-09	3120	White	Win	Yokota Shigeaki	3121	♂	\| go4go \|
2002-11-07	3118	Black	Loss	Kenmochi Jo	2971	♂	\| go4go \|
2002-04-21	3111	Black	Loss	Chen Kayui	3034	♂	\| go4go \|
2001-04-29	3107	White	Loss	Yuki Satoshi	3300	♂	\| go4go \|
2001-04-05	3107	Black	Loss	Yuki Satoshi	3298	♂	\| go4go \|
2001-03-08	3107	White	Loss	Cho Chi Hun	3344	♂	\| go4go \|
2001-02-08	3108	White	Loss	Hane Naoki	3286	♂	\| go4go \|
2001-01-18	3108	White	Win	Otake Hideo	3185	♂	\| go4go \|
2000-12-07	3108	Black	Win	Yamada Kimio	3282	♂	\| go4go \|
2000-11-09	3107	Black	Loss	Chang Hsu	3292	♂	\| go4go \|
2000-10-19	3107	Black	Loss	Cho Sun Jin	3273	♂	\| go4go \|
2000-09-18	3107	Black	Loss	Cho Sun Jin	3273	♂	\| go4go \|
2000-07-13	3107	Black	Win	Kataoka Satoshi	3193	♂	\| go4go \|
1999-07-01	3102	White	Loss	Kato Masao	3304	♂	\| go4go \|
1999-06-20	3102	Black	Loss	Yoshida Mika	2882	♀	\| go4go \|
1999-04-29	3103	Black	Win	Hane Naoki	3247	♂	\| go4go \|
1999-02-01	3103	White	Loss	Tokimoto Hajime	3075	♂	\| go4go \|
1998-12-22	3103	White	Win	Muramatsu Ryuichi	2971	♂	\| go4go \|
1998-09-17	3103	Black	Loss	Wang Li Chen	3345	♂	\| go4go \|
1998-08-23	3104	White	Loss	Tono Hiroaki	3239	♂	\| go4go \|
1998-08-20	3104	Black	Win	Oyama Kunio	3027	♂	\| go4go \|
1998-07-23	3104	Black	Win	Kato Masao	3305	♂	\| go4go \|
1998-04-30	3102	White	Loss	Hiroe Hiroyuki	2979	♂	\| go4go \|
1998-04-12	3102	White	Win	Kurahashi Masayuki	3137	♂	\| go4go \|
1998-04-02	3102	Black	Win	Yuki Satoshi	3261	♂	\| go4go \|
1997-08-07	3093	Black	Loss	Wang Ming Wan	3233	♂	\| go4go \|
1997-03-06	3089	Black	Loss	Iwata Tatsuaki	3084	♂	\| go4go \|
1997-02-17	3089	White	Loss	Hisajima Kunio	3094	♂	\| go4go \|
1997-01-16	3089	Black	Win	Kojima Takaho	2924	♂	\| go4go \|
1996-12-16	3089	White	Win	Cheng Ming Huang	2878	♂	\| go4go \|
1996-12-16	3089	Black	Win	Nakano Hironari	3200	♂	\| go4go \|
1995-03-09	3069	White	Loss	Ushinohama Satsuo	3052	♂	\| go4go \|
1995-02-09	3069	Black	Loss	Nakamura Hidehito	2982	♂	\| go4go \|
1994-11-24	3069	Black	Loss	Kurahashi Masayuki	3138	♂	\| go4go \|
1994-08-11	3072	White	Loss	Mimura Tomoyasu	3174	♂	\| go4go \|
1994-04-14	3076	Black	Loss	Lin Hai Fong	3290	♂	\| go4go \|
1994-03-17	3077	White	Win	Yamada Kimio	3224	♂	\| go4go \|
1994-02-17	3078	Black	Loss	Kataoka Satoshi	3276	♂	\| go4go \|
1994-01-27	3078	White	Win	Kataoka Satoshi	3277	♂	\| go4go \|
1993-12-13	3078	Black	Loss	Nakano Hironari	3149	♂	\| go4go \|
1993-10-02	3079	White	Loss	Komatsu Hideki	3204	♂	\| go4go \|
1993-07-01	3082	White	Loss	Yuki Satoshi	3204	♂	\| go4go \|
1993-04-29	3084	Black	Win	Ryu Si Hoon	3229	♂	\| go4go \|
1993-03-13	3085	Black	Win	Ryu Si Hoon	3228	♂	\| go4go \|
1993-03-11	3085	White	Loss	Kobayashi Satoru	3352	♂	\| go4go \|
1992-11-12	3084	White	Loss	Cho Chi Hun	3381	♂	\| go4go \|
1992-11-02	3084	Black	Loss	Nakaonoda Tomomi	3131	♂	\| go4go \|
1992-10-17	3084	White	Win	Michael Redmond	3074	♂	\| go4go \|
1992-10-15	3084	Black	Win	Cho Sun Jin	3189	♂	\| go4go \|
1992-07-30	3082	White	Loss	Sakata Eio	3097	♂	\| go4go \|
1992-05-21	3082	White	Loss	Wang Li Chen	3324	♂	\| go4go \|
1992-03-25	3082	White	Loss	Yuki Satoshi	3160	♂	\| go4go \|
1992-03-22	3082	White	Loss	Cho Sun Jin	3193	♂	\| go4go \|
1992-03-08	3082	White	Win	Aoki Shinichi	3008	♂	\| go4go \|
1991-12-16	3083	White	Loss	Iwata Hajime	2908	♂	\| go4go \|
1991-11-25	3083	White	Win	Imamura Yoshiaki	3023	♂	\| go4go \|
1991-11-07	3083	Black	Loss	Kobayashi Koichi	3367	♂	\| go4go \|
1991-10-24	3084	Black	Loss	Shiraishi Yutaka	3049	♂	\| go4go \|
1991-09-26	3085	Black	Win	Honda Kunihisa	3211	♂	\| go4go \|
1991-08-22	3086	White	Win	Yamada Wakio	2908	♂	\| go4go \|
1991-06-20	3086	Black	Loss	Yoda Norimoto	3282	♂	\| go4go \|
1991-05-16	3087	Black	Win	Kanashima Tadashi	3006	♂	\| go4go \|
1990-10-15	3088	Black	Loss	Aoki Shinichi	3022	♂	\| go4go \|
1990-04-30	3093	Black	Win	Yang Hui	3081	♀	\| go4go \|
1990-04-29	3093	Black	Loss	Liao Guiyong	3101	♂	\| go4go \|
1990-04-28	3093	White	Loss	Liao Guiyong	3101	♂	\| go4go \|
1989-02-26	3114	White	Loss	Kobayashi Satoru	3292	♂	\| go4go \|
1989-01-29	3116	White	Win	Fujisawa Hideyuki	3232	♂	\| go4go \|
1988-10-23	3119	White	Win	Shiraishi Yutaka	3068	♂	\| go4go \|
1988-04-17	3122	Black	Win	Nakamura Hidehito	3036	♂	\| go4go \|
1987-11-12	3122	White	Win	Fujisawa Hideyuki	3226	♂	\| go4go \|
1987-06-25	3119	Black	Loss	Lin Hai Fong	3326	♂	\| go4go \|
1987-06-03	3119	Black	Win	Yang Hui	3058	♀	\| go4go \|
1987-05-31	3119	Black	Loss	Yu Bin	3209	♂	\| go4go \|
1987-05-28	3119	White	Loss	Yu Bin	3209	♂	\| go4go \|
1987-05-26	3119	White	Win	Liang Weitang	3035	♂	\| go4go \|
1987-05-24	3119	Black	Win	Wang Jianhong	3020	♂	\| go4go \|
1987-05-22	3119	White	Win	Zhang Wendong	3191	♂	\| go4go \|
1987-05-20	3119	Black	Win	Zhang Wendong	3191	♂	\| go4go \|
1987-03-26	3115	Black	Win	Sonoda Yuichi	3227	♂	\| go4go \|
1986-08-17	3097	Black	Loss	Yoda Norimoto	3249	♂	\| go4go \|
1986-08-10	3096	Black	Win	Aragaki Takeshi	3012	♂	\| go4go \|
1986-07-24	3095	White	Loss	Wang Li Chen	3255	♂	\| go4go \|
1986-06-14	3091	White	Loss	Yamada Wakio	2961	♂	\| go4go \|
1986-05-21	3090	Black	Loss	Ishikura Noboru	3050	♂	\| go4go \|
1986-02-13	3086	Black	Loss	Ishida Yoshio	3265	♂	\| go4go \|
1984-09-01	3073	White	Loss	Ogata Masaki	3042	♂	\| go4go \|