Kataoka Satoshi

Kataoka Satoshi (片岡聡) has a rating of 1647, ranked 169 of 452 in professional play. Their highest rating so far is 1909 (September 11, 2008).

Kataoka Satoshi9 dan片岡聡Nihon Ki-in Tokyo

Rating1647

Rank169

1-year change↓36

Peak rating1909

Last 10811-571(2 by default)

2026 record: 5-7
Record since 1927: 811-571(2 no result)
Win rate: .587

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

14 gamesHigh 1697Low 1627

54 gamesHigh 1865Low 1627

99 gamesHigh 1865Low 1627

513 gamesHigh 1909Low 1627

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
July 30, 2026	Ohashi HirofumiTengen　Colors unknown	Loss	↓13
June 15, 2026	Izumitani HideoTengen　Colors unknown	Win	↑13
June 8, 2026	O RisseiJudan Preliminary A　as White	Loss	↓7
May 18, 2026	Yashiro KumikoTengen　Colors unknown	Win	↑9
May 7, 2026	Nakaonoda TomomiJudan　Colors unknown	Win	↑19
April 30, 2026	So KofukuOza　Colors unknown	Loss	↓23
March 19, 2026	Rafif Shidqi FitrahHoninbo　Colors unknown	Loss	↓22
March 12, 2026	Nakazawa AyakoTengen　Colors unknown	Win	↑3
March 5, 2026	Shuto ShunGosei Preliminary C　as Black	Loss	↓10
February 16, 2026	Oomote TakutoKisei First Tournament Preliminary Round 2　Colors unknown	Loss	↓12
February 2, 2026	Yokotsuka RikiMeijin Preliminary B　as White	Loss	↓5
January 8, 2026	Adachi ToshimasaMeijin Preliminary C　as White	Win	↑28
December 8, 2025	Michael RedmondTeikei Cup Legend Preliminary　as White	Loss	↓18
November 6, 2025	Kenmochi JoMeijin　Colors unknown	Win	↑4
August 7, 2025	Mitani TetsuyaTengen　Colors unknown	Loss	↓10
July 28, 2025	Jo BunenRyusei　Colors unknown	Loss	↓21
July 17, 2025	Fujisawa RinaJudan Preliminary A　as Black	Loss	↓6
July 10, 2025	Ko ReibunGosei　Colors unknown	Loss	↓24
June 30, 2025	Omori YasushiTengen　Colors unknown	Win	↑8
June 16, 2025	Tsuji HanaJudan　Colors unknown	Win	↑10

Head-to-head

Up to 10 opponents, most-played first. Records are from Kataoka Satoshi'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
Rin Kaiho	21-21.500	11-8	8-12
Kato Masao	9-28.243	7-13	2-15
Awaji Shuzo	18-17.514	7-6	10-9
Cho Chikun	7-28.200	3-17	4-11
O Rissei	14-16.467	8-6	6-10
Kobayashi Koichi	9-21.300	8-9	1-10
Yoda Norimoto	14-12.538	5-5	9-7
O Meien	16-10.615	4-3	11-5
Otake Hideo	11-11.500	6-4	5-7
Takemiya Masaki	8-13.381	3-7	5-6
Komatsu Hideki	13-7.650	4-1	7-4
Kobayashi Satoru	7-12.368	5-4	2-5
Ishida Yoshio	5-12.294	2-2	3-10
Yamashiro Hiroshi	8-8.500	7-4	1-3
Yuki Satoshi	10-6.625	5-1	4-5
Ohira Shuzo	9-5.643	5-1	4-4
Chino Tadahiko	14-01.000	5-0	5-0
Yo Kagen	8-5.615	2-2	4-3
Hikosaka Naoto	6-7.462	2-3	4-4
Fujisawa Shuko	10-2.833	5-1	5-1
Hane Yasumasa	7-5.583	4-3	3-2
Yamada Kimio	2-10.167	2-5	0-3
Ryu Shikun	9-3.750	5-1	1-2
Oya Koichi	6-5.545	2-2	2-2
Kanda Ei	11-01.000	5-0	4-0
Miyazawa Goro	6-5.545	2-0	3-4
Ishida Akira	4-7.364	1-4	2-2
Yamashita Keigo	3-8.273	2-3	0-4
Sakata Eio	4-6.400	2-3	2-3
Mimura Tomoyasu	3-7.300	1-1	2-3
So Yokoku	3-7.300	0-3	2-2
Sakai Takeshi	8-2.800	5-0	2-2
Hashimoto Yujiro	5-4.556	1-0	3-3
Kudo Norio	6-3.667	5-2	1-1
Takao Shinji	4-5.444	2-1	0-2
Takagi Shoichi	7-2.778	5-1	2-1
Nakaonoda Tomomi	6-3.667	2-2	2-0
Akiyama Jiro	4-4.500	1-0	2-2
Honda Kunihisa	3-5.375	0-3	3-2
Omori Yasushi	8-01.000	2-0	2-0
Kim Sujun	3-5.375	2-0	0-3
Sonoda Yuichi	4-3.571	1-1	3-2
Hashimoto Utaro	5-2.714	4-0	1-2
Yamada Takuji	4-3.571	0-0	4-0
Takanashi Seiken	2-5.286	1-1	1-1
Nakamura Hidehito	5-2.714	0-1	4-1
Sato Masaharu	6-1.857	2-0	3-1
Kamimura Haruo	5-2.714	2-1	3-1
Ishigure Ikuro	4-3.571	1-2	3-1
Cho Sonjin	5-2.714	4-1	0-1
Nakano Hironari	3-3.500	3-2	0-1
Imamura Toshiya	4-2.667	3-1	1-1
Kojima Takaho	6-01.000	2-0	3-0
Sugiuchi Kazuko	6-01.000	5-0	1-0
Ishikura Noboru	4-2.667	1-0	2-2
Ko Iso	2-4.333	0-0	1-1
Ishii Kunio	2-4.333	2-1	0-3
Tono Hiroaki	2-4.333	1-2	1-2
Morita Michihiro	3-3.500	2-1	1-1
Matsumoto Takehisa	2-4.333	1-1	0-2
Kono Rin	4-2.667	1-1	1-1
Lee Ishu	2-4.333	1-3	0-1
Cho U	0-6.000	0-4	0-2
Seto Taiki	3-3.500	0-1	3-1
Kenmochi Jo	5-01.000	0-0	3-0
Shiraishi Yutaka	2-3.400	0-1	2-2
Shuto Shun	2-3.400	2-1	0-2
Izumitani Hideo	5-01.000	1-0	1-0
Shiraishi Yuichi	3-2.600	3-0	0-1
Xie Yimin	4-1.800	2-1	0-0
Fukui Masaaki	5-01.000	2-0	3-0
Fujita Akihiko	4-1.800	0-0	3-1
Mizokami Tomochika	1-4.200	0-2	1-1
Takeuchi Kosuke	5-01.000	2-0	1-0
Kiyonari Tetsuya	3-2.600	0-0	3-2
Michael Redmond	2-3.400	1-0	1-2
Nishimura Keiji	5-01.000	0-0	2-0

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	6-11	.353
2024	13-9	.591
2023	18-11	.621
2022	8-8	.500
2021	12-8	.600
2020	12-8	.600
2019	14-10	.583
2018	16-11	.593
2017	18-13	.581
2016	18-18	.500
2015	22-13	.629
2014	22-10	.688
2013	13-7	.650
2012	18-13	.581
2011	12-10	.545
2010	11-8	.579
2009	15-17	.469
2008	16-12	.571
2007	13-10	.565
2006	16-8	.667
2005	20-12	.625
2004	13-13	.500
2003	20-12	.625
2002	17-10	.630
2001	5-7	.417
2000	10-6	.625
1999	6-5	.545
1998	11-12	.478
1997	11-15	.423
1996	19-18	.513
1995	27-20	.575
1994	34-28	.548
1993	43-17	.717
1992	24-15	.615
1991	35-14	.714
1990	23-15	.605
1989	28-15	.651
1988	25-9	.735
1987	12-9	.571
1986	15-14	.517
1985	23-13	.639
1984	13-17(2 no result)	.433
1983	16-12	.571
1982	16-6	.727
1981	11-8	.579
1980	11-11	.500
1979	13-8	.619
1978	7-4	.636
1977	3-2	.600
1976	1-0	1.000
1974	0-2	.000
1973	1-0	1.000
Total	811-571(2 no result)	.587

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