Kudo Norio

Kudo Norio (工藤紀夫) has a rating of 1432, ranked 319 of 452 in professional play. Their highest rating so far is 1804 (January 25, 2007).

Kudo Norio9 dan工藤紀夫Nihon Ki-in Tokyo

Rating1432

Rank319

1-year change↑41

Peak rating1804

Last 10620-566(3 lost by default)

2026 record: 5-7
Record since 1927: 620-566
Win rate: .523

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Professional ratings Find a player

Rating history — professional

1 year3 years5 yearsAll

13 gamesHigh 1438Low 1375

40 gamesHigh 1477Low 1375

67 gamesHigh 1581Low 1375

378 gamesHigh 1804Low 1375

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
August 6, 2026	Toyoda HirohitoOza　Colors unknown	Loss	↓6
July 9, 2026	Arai KantaOza　Colors unknown	Win	↑22
June 1, 2026	Kuwabara ItsukiHoninbo　Colors unknown	Loss	↓2
May 21, 2026	Koyama RyugoOza　Colors unknown	Win	↑13
April 13, 2026	Shibano RyunosukeHoninbo　Colors unknown	Win	↑20
April 6, 2026	Saga ShuntaroJudan　Colors unknown	Loss	↓10
March 30, 2026	Kato AtsushiGosei　Colors unknown	Loss	↓3
March 5, 2026	Ito MasashiTengen　Colors unknown	Loss	↓4
February 26, 2026	Shimoji GenshoGosei　Colors unknown	Win	↑12
February 19, 2026	Kato KeikoJudan　Colors unknown	Win	↑16
February 9, 2026	Xiao YuyangKisei First Tournament Round 2　as White	Loss	↓1
February 5, 2026	Yoshihara YukariTeikei Cup Legend　as Black	Loss	↓13
November 10, 2025	Takeuchi KosukeMeijin　Colors unknown	Loss	↓3
August 28, 2025	Tahara YasufumiOza　Colors unknown	Loss	↓16
July 24, 2025	Mimura KaoriOza　Colors unknown	Win	↑15
July 7, 2025	Mitani TetsuyaRyusei　Colors unknown	Loss	↓2
June 12, 2025	Nakayama KaoruOza　Colors unknown	Win	↑7
June 5, 2025	Osawa NarumiTengen　Colors unknown	Loss	↓14
April 24, 2025	Yokota HinanoMeijin　Colors unknown	Loss	↓10
March 27, 2025	Numadate SakiyaJudan　Colors unknown	Loss	↓4

Head-to-head

Up to 10 opponents, most-played first. Records are from Kudo Norio's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
Opponent	Total	As Black	As White
Otake Hideo	7-23.233	2-9	5-14
Rin Kaiho	11-18.379	6-10	5-8
Takemiya Masaki	6-16.273	3-6	3-9
Ishida Yoshio	8-14.364	2-7	6-7
Cho Chikun	6-16.273	2-6	3-10
Sakata Eio	14-7.667	9-2	5-5
Kobayashi Koichi	6-14.300	2-6	3-8
Kato Masao	5-14.263	4-6	1-7
Takagi Shoichi	5-9.357	1-3	3-6
Kojima Takaho	8-5.615	4-1	3-4
Hashimoto Shoji	6-7.462	3-2	3-5
Fujisawa Shuko	4-8.333	0-5	4-3
Sonoda Yuichi	7-5.583	6-4	1-1
Ryu Shikun	7-5.583	3-1	3-2
Shimamura Toshihiro	5-6.455	2-4	3-2
Ohira Shuzo	6-4.600	6-1	0-3
O Meien	4-6.400	1-2	3-4
Sanno Hirotaka	8-2.800	3-1	3-1
Sugiuchi Masao	6-4.600	3-2	3-2
Tozawa Akinobu	6-3.667	3-0	2-3
Iwata Tatsuaki	5-4.556	3-0	1-4
Miyazawa Goro	5-4.556	2-3	2-0
Kataoka Satoshi	3-6.333	1-1	2-5
Ishigure Ikuro	5-4.556	2-2	3-1
Sakai Takeshi	6-3.667	4-2	1-1
Yamabe Toshiro	5-3.625	2-2	3-1
Chino Tadahiko	6-2.750	2-0	4-2
Awaji Shuzo	5-3.625	2-0	3-2
Kajiwara Takeo	6-2.750	5-1	1-1
Abe Yoshiteru	8-01.000	3-0	4-0
Shinohara Masami	5-2.714	3-1	2-1
Kaji Kazutame	5-2.714	3-2	2-0
Iwamoto Kaoru	5-2.714	5-1	0-1
Yoda Norimoto	3-4.429	0-0	3-4
Honda Kunihisa	2-5.286	1-3	1-2
O Rissei	2-5.286	0-3	2-1
Haruyama Isamu	6-1.857	3-1	2-0
Ishii Kunio	4-3.571	1-0	3-3
Morita Michihiro	3-4.429	1-2	1-2
Han Zenki	0-7.000	0-2	0-0
Ishida Akira	3-4.429	1-2	1-1
Ko Reibun	4-3.571	0-0	1-1
Yasuda Yasutoshi	6-01.000	1-0	4-0
Sakai Maki	2-4.333	0-1	1-1
Komatsu Fujio	4-2.667	1-1	0-0
Nakamura Yutaro	5-01.000	2-0	3-0
Imamura Toshiya	1-4.200	0-2	1-1
Kano Yoshinori	3-2.600	1-1	2-1
Magari Reiki	4-1.800	2-0	2-1
Ono Nobuyuki	2-3.400	0-0	2-1
Sakai Michiharu	5-01.000	3-0	2-0
Osawa Narumi	2-3.400	0-0	1-1
Hane Yasumasa	3-2.600	2-1	0-1
Shiraishi Yutaka	3-2.600	1-1	2-1
Yamashiro Hiroshi	0-5.000	0-2	0-3
Ko Iso	1-4.200	0-1	1-2
Kobayashi Satoru	2-3.400	1-0	0-3
Okada Shinichiro	1-4.200	0-1	1-2
Hisai Keishi	3-2.600	1-1	2-1
Fujisawa Hosai	1-4.200	1-1	0-3
Kanda Ei	4-1.800	3-1	0-0
Kamimura Haruo	2-3.400	1-2	0-1
Koda Akiko	5-01.000	1-0	2-0
Kageyama Toshiro	5-01.000	3-0	2-0
Ohashi Hirofumi	2-3.400	0-1	1-1
Takagawa Shukaku	3-2.600	2-2	1-0
Kada Katsuji	3-2.600	3-1	0-1
Kono Mitsuki	0-5.000	0-1	0-1
Kubouchi Shuchi	3-2.600	1-0	2-2

Record by year

Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.

Year	Record	Win rate
2026	5-7	.417
2025	3-10	.231
2024	6-8	.429
2023	2-10	.167
2022	3-10	.231
2021	10-9	.526
2020	2-7	.222
2019	17-10	.630
2018	8-12	.400
2017	7-12	.368
2016	10-17	.370
2015	11-12	.478
2014	12-8	.600
2013	9-11	.450
2012	13-12	.520
2011	11-11	.500
2010	5-10	.333
2009	9-9	.500
2008	6-8	.429
2007	5-14	.263
2006	14-11	.560
2005	19-8	.704
2004	12-11	.522
2003	10-13	.435
2002	19-5	.792
2001	4-2	.667
2000	7-5	.583
1999	6-8	.429
1998	6-15	.286
1997	9-3	.750
1996	5-11	.313
1995	3-3	.500
1994	6-8	.429
1993	3-4	.429
1992	3-6	.333
1991	9-5	.643
1990	2-4	.333
1989	2-6	.250
1988	9-11	.450
1987	0-7	.000
1986	12-9	.571
1985	10-7	.588
1984	3-5	.375
1983	0-4	.000
1982	6-5	.545
1981	4-8	.333
1980	14-9	.609
1979	18-14	.563
1978	25-25	.500
1977	25-8	.758
1976	17-12	.586
1975	19-9	.679
1974	15-8	.652
1973	11-6	.647
1972	15-6	.714
1971	13-7	.650
1970	14-9	.609
1969	14-9	.609
1968	8-8	.500
1967	15-3	.833
1966	14-7	.667
1965	13-13	.500
1964	15-7	.682
1963	9-8	.529
1962	5-3	.625
1961	2-2	.500
1960	1-2	.333
1955	1-0	1.000
Total	620-566	.523

Calculated from games played between 1927 and 2026 (as of September 17, 2026).