Go Player Ratings

JAAbout ratings

Sugiuchi Kazuko

Sugiuchi Kazuko (杉内寿子) has a rating of 1159. Their highest rating so far is 1362 (May 22, 2015).

Retired. The rating shown is the rating at retirement.

Sugiuchi Kazuko9 dan杉内寿子Nihon Ki-in Tokyo
Rating1159
Rank—
1-year change—
Peak rating1362
Last 10100-282(1 lost by default)
2025 record
0-8
Record since 1927
100-282(1 jigo)
Win rate
.262

Rating at retirement (not included in the rating list)

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

Professional ratingsFind a player

Rating history — professional

14 gamesHigh 1227Low 1159
31 gamesHigh 1268Low 1159
141 gamesHigh 1362Low 1159

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

Rating history in the women's tournaments pool (for reference)

7 gamesHigh 1339Low 1289
14 gamesHigh 1362Low 1289
83 gamesHigh 1604Low 1289

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

Ratings in other pools

Ratings for general play and for women's tournaments are calculated independently and do not affect each other.

  • Women's tournaments: 1289　Rating at retirement (not included in the rating list)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
July 10, 2025Sugimoto AkiraOza　Colors unknown↓3
June 19, 2025Koda AkikoWomen's Meijin　Colors unknown↓14
May 15, 2025Yamamoto MasatoTengen Preliminary C　as White↓7
May 1, 2025Akiyama JiroHoninbo Preliminary C　as Black±0
March 13, 2025Takemiya MasakiJudan　Colors unknown↓2
February 27, 2025Seki RyosukeMeijin Preliminary C　as White↓3
February 13, 2025Nakazawa AyakoGosei Preliminary C　as Black↓12
January 23, 2025Ishikura NoboruKisei First Tournament Round 1　as White↓6
December 14, 2024Nagashima KozueWomen's Honinbo Preliminary　Colors unknown↓7
November 14, 2024Izawa AkinoWomen's Honinbo Preliminary Round 1　Colors unknown↓6
October 17, 2024Cho ChienWomen's Tachiaoi Cup Preliminary　as White↓4
August 29, 2024Cho KoharuWomen's Meijin　Colors unknown↓11
May 23, 2024Izumitani HideoOza Preliminary C　as Black↓6
April 25, 2024Endo YoshifumiHoninbo　Colors unknown↓8
April 11, 2024Morita MichihiroTengen Preliminary C　as White↓2
March 14, 2024Fukui MasaakiGosei　Colors unknown↓8
February 22, 2024So YokokuMeijin Preliminary C　as Black±0
February 1, 2024Muramatsu RyuichiJudan Preliminary C　as White↓9
January 18, 2024Kasai KojiKisei First Tournament Round 1　as Black↓17
December 14, 2023Nagashima KozueWomen's Honinbo Preliminary　as Black↓7

Head-to-head

Up to 10 opponents, most-played first. Records are from Sugiuchi Kazuko's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
OpponentTotalAs BlackAs White
Ogawa Tomoko6-12.3331-55-5
Kobayashi Chizu5-9.3575-50-2
Aoki Kikuyo7-5.5833-34-2
Kobayashi Reiko5-4.5563-12-3
Fukui Masaaki3-6.3332-01-2
Kobayashi Izumi3-6.3333-10-4
Yashiro Kumiko3-5.3750-02-3
Nakazawa Ayako3-4.4292-21-0
Hara Sachiko5-2.7141-03-1
Koyama Terumi2-5.2861-10-4
Yoshida Mika4-3.5711-13-2
Kato Tomoko1-6.1431-10-4
Takahashi Toshimitsu1-6.1430-31-3
Kin En4-2.6671-00-1
Nakagawa Shinji2-4.3332-10-3
Shoji Kazuko6-01.0000-01-0
Komatsu Hideko5-1.8333-01-0
Kataoka Satoshi0-6.0000-10-5
Makihata Taeko3-2.6001-00-0
Nagashima Kozue2-3.4001-10-0
Okada Yumiko3-2.6000-12-0
Kojima Takaho1-4.2001-10-2
Mannami Kana0-5.0000-00-1
Osawa Narumi1-4.2001-00-1
Shinkai Hiroko4-1.8002-02-1
Izawa Akino1-4.2000-10-0
Kusunoki Teruko3-2.6001-02-2
Ishii Mamoru1-4.2000-11-3
Sakai Takeshi0-5.0000-00-2

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.

YearRecordWin rate
20250-8.000
20240-11.000
20233-10.231
20222-9.182
20210-11.000
20200-7.000
20194-11.267
20184-13.235
20175-18.217
20166-14.300
20159-14.391
20143-5.375
20133-7.300
20125-8.385
20115-10.333
20100-1.000
20092-2.500
20080-1.000
20070-2.000
20066-6.500
20059-11.450
20048-14.364
20036-14.300
20024-12.250
20013-3.500
20002-2.500
19993-8.273
19987-3.700
19971-01.000
19962-4.333
19956-6.500
19943-5.375
19936-6.500
19926-3.667
19914-6.400
19909-5.643
19896-5.545
19884-4.500
19872-3.400
19864-2.667
19854-2.667
19842-3.400
19834-3.571
19822-3.400
19811-5.167
19803-4.429
19792-1.667
19780-2.000
19771-2.333
19762-4.333
19756-7.462
19744-7.364
19735-7.417
19723-8.273
19718-7.533
19703-5.375
19691-8.111
19683-6.333
19679-9.500
19663-6.333
19656-10.375
19641-5.167
19634-8.333
19620-3.000
19580-0(1 jigo)－
19570-1.000
19541-1.500
Total100-282(1 jigo).262

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