Go Player Ratings

JAAbout ratings

Tanaka Chieko

Tanaka Chieko (田中智恵子) has a rating of 921, ranked 450 of 452 in professional play. Their highest rating so far is 1266 (February 9, 2006).

Tanaka Chieko4 dan田中智恵子Nihon Ki-in Kansai HQ
Rating921
Rank450
1-year change↓13
Peak rating1266
Last 1015-167
2026 record
0-7
Record since 1927
15-167
Win rate
.082

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

Professional ratingsFind a player

Rating history — professional

7 gamesHigh 933Low 921
26 gamesHigh 960Low 921
44 gamesHigh 1009Low 921
144 gamesHigh 1266Low 921

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)

3 gamesHigh 1205Low 1185
17 gamesHigh 1234Low 1185
30 gamesHigh 1242Low 1185
86 gamesHigh 1275Low 1185

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: 1185 (#88)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 17, 2026Asano YasukoWomen's Kisei　Colors unknown↓8
May 28, 2026Ohashi NaruyaOza　Colors unknown±0
April 9, 2026Tanemura SayuriHoninbo　Colors unknown↓7
March 19, 2026Yamamoto KentaroJudan　Colors unknown↓2
March 12, 2026Iwamaru TairaGosei　Colors unknown±0
February 26, 2026Sekiyama HonokaTengen　Colors unknown↓2
January 19, 2026Hara MasakazuKisei First Tournament Preliminary Round 1　Colors unknown±0
November 27, 2025Chujo ChihiroSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓11
November 17, 2025Ishii KunioMeijin　Colors unknown↓1
October 9, 2025Ito KayokoWomen's Honinbo Preliminary　Colors unknown↓22
August 18, 2025Suzukawa NatsumiWomen's Kisei　Colors unknown↓6
July 28, 2025Mito YukariRyusei　Colors unknown↓6
July 24, 2025O KeiiWomen's Meijin　Colors unknown↓2
June 12, 2025Shigeno YukiWomen's Meijin　Colors unknown↑13
June 5, 2025Yamamoto KentaroOza　Colors unknown↓2
May 22, 2025Tsukada ChiharuTengen　Colors unknown↓2
May 12, 2025Mito YukariHoninbo　Colors unknown↓6
April 3, 2025Takei TakashiGosei　Colors unknown↓1
March 27, 2025Kato ChieSenko Cup Women's Strongest Player Preliminary Final　Colors unknown↓1
March 6, 2025Sasaka ShiroJudan　Colors unknown↓1

Head-to-head

Up to 10 opponents, most-played first. Records are from Tanaka Chieko'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
Takabayashi Masahiro0-10.0000-00-0
Tsukuda Akiko0-9.0000-00-0
Mito Yukari1-8.1110-01-0
Tanemura Sayuri1-8.1110-00-0
Asano Yasuko1-6.1430-00-0
Yamamoto Kentaro1-6.1430-00-0
Matsumoto Nayoko4-3.5712-00-0
Ito Kayoko5-2.7140-01-1
Mizuno Hiromi4-2.6671-00-1
Araki Issei0-6.0000-00-0
Miyamoto Chiharu2-4.3330-00-0
Furuta Naoyoshi0-6.0000-00-0
Kitani Toshimi3-3.5002-00-1
Sasaka Shiro0-5.0000-00-0
Kim Hyunjong2-3.4000-00-0
Kirimoto Kazuo0-5.0000-00-0
Iwamaru Taira0-5.0000-00-0
Yanagawa Hiromasa0-5.0000-00-0
Sasaki Tsuyoshi0-5.0000-00-0
Sakakibara Fumiko0-5.0000-30-0
Tsukada Chiharu1-4.2000-00-0

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.

YearRecordWin rate
20260-7.000
20253-15.167
20241-14.067
20231-14.067
20221-13.071
20212-14.125
20202-13.133
20193-12.200
20180-17.000
20173-19.136
20163-14.176
20153-12.200
20141-5.167
20131-6.143
20122-10.167
20111-10.091
20090-1.000
20070-1.000
20060-6.000
20052-12.143
20041-12.077
20033-12.200
20023-9.250
19940-2.000
19930-1.000
19921-2.333
19912-2.500
19891-5.167
19883-2.600
19870-1.000
19850-3.000
19842-2.500
19831-1.500
19821-2.333
19810-2.000
19801-2.333
19790-1.000
19780-1.000
19771-1.500
19760-2.000
19750-2.000
19721-01.000
Total15-167.082

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