Go Player Ratings

JAAbout ratings

Konishi Kazuko

Konishi Kazuko (小西和子) has a rating of 1420, ranked 332 of 452 in professional play. Their highest rating so far is 1525 (November 7, 2019).

Konishi Kazuko8 dan小西和子Kansai Ki-in
Rating1420
Rank332
1-year change↓15
Peak rating1525
Last 1016-33
2026 record
2-3
Record since 1927
16-33
Win rate
.327

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

Professional ratingsFind a player

Rating history — professional

2 gamesHigh 1433Low 1420
8 gamesHigh 1455Low 1417
14 gamesHigh 1468Low 1417
38 gamesHigh 1525Low 1417

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)

8 gamesHigh 1590Low 1555
25 gamesHigh 1621Low 1552
51 gamesHigh 1688Low 1552
167 gamesHigh 1765Low 1542

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: 1586 (#34)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 19, 2026Takatsu MasaakiTengen Preliminary A　as White↓13
May 21, 2026Mukai ChiakiSenko Cup Women's Strongest Player Round 1　as White↓4
April 6, 2026Hane AyakaSenko Cup Women's Strongest Player Preliminary Final　Colors unknown↑18
January 15, 2026Mito ShuheiKisei First Tournament Preliminary Round 1　Colors unknown↓2
January 8, 2026Aoba KaoriSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↑16
December 10, 2025Deguchi MarikoWomen's Honinbo Preliminary Round 1　Colors unknown↓21
November 27, 2025Shigeno YukiSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↑2
November 17, 2025Kobayashi IzumiTeikei Cup Women's Legend Round 1　as Black↓10
October 30, 2025Nyu EikoWomen's Kisei Round 1　as Black↓4
October 22, 2025Tamura ChiakiWomen's Honinbo Preliminary　Colors unknown↑13
July 24, 2025Sakuramoto AyakoWomen's Meijin　Colors unknown↑13
July 24, 2025O KeiiWomen's Meijin　Colors unknown↓9
June 19, 2025Deguchi MarikoWomen's Meijin　Colors unknown↑13
June 5, 2025Nakano YasuhiroHoninbo Preliminary C　as Black↓6
April 10, 2025Hane YasumasaTeikei Cup Legend　as Black↓10
March 19, 2025Yoshida MikaWomen's Tachiaoi Cup Preliminary　as Black↓11
March 13, 2025Imamura ToshiyaKisei First Tournament Round 3　as White↓4
March 6, 2025Kobayashi IzumiTeikei Cup Women's Legend Round 3　as Black↓10
February 6, 2025Imamura YoshiakiKisei First Tournament Preliminary Round 2　Colors unknown↑25
January 22, 2025Sakakibara FumikoTeikei Cup Women's Legend Round 2　as Black↑11

Head-to-head

Up to 10 opponents, most-played first. Records are from Konishi 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
Yoshida Mika3-7.3001-30-3
Tsukuda Akiko6-3.6671-12-0
O Keii4-4.5000-13-0
Xie Yimin1-7.1251-40-2
Kato Keiko1-7.1251-40-1
Tamura Chiaki7-1.8751-00-0
Sakakibara Fumiko7-01.0002-04-0
Deguchi Mariko2-4.3330-10-1
Kobayashi Izumi2-4.3331-41-0
Ashida Isoko5-1.8332-00-1
Aoba Kaori4-1.8001-01-0
Tafu Kae5-01.0000-01-0
Okada Yumiko3-2.6000-23-0
Osawa Narumi4-1.8002-02-1
Koyama Terumi2-3.4000-11-2
Mito Yukari4-1.8000-14-0
Suzuki Ayumi1-4.2000-00-4
Inori Yoko1-4.2000-21-1
Mukai Chiaki4-1.8002-01-1

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
20262-3.400
20257-9.438
20244-6.400
20235-7.417
202211-6.647
20216-8.429
20206-7.462
20197-2.778
20189-7.563
20178-9.471
20169-7.563
20150-4.000
20146-2.750
20132-2.500
20123-1.750
20110-4.000
20101-2.333
20090-2.000
20080-3.000
20072-7.222
200618-3.857
20058-5.615
20046-5.545
200312-7.632
20022-4.333
20010-5.000
20004-4.500
19981-2.333
19971-1.500
19961-1.500
19953-1.750
19942-2.500
19930-2.000
19923-4.429
19910-2.000
19902-2.500
Total16-33.327

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