Go Player Ratings

JAAbout ratings

Kuwabara Yoko

Kuwabara Yoko (桑原陽子) has a rating of 1371, ranked 367 of 452 in professional play. Their highest rating so far is 1515 (January 30, 2017).

Kuwabara Yoko6 dan桑原陽子Nihon Ki-in Tokyo
Rating1371
Rank367
1-year change↑2
Peak rating1515
Last 1084-148
2026 record
5-9
Record since 1927
84-148
Win rate
.362

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

Professional ratingsFind a player

Rating history — professional

13 gamesHigh 1401Low 1364
43 gamesHigh 1425Low 1311
75 gamesHigh 1425Low 1311
231 gamesHigh 1515Low 1311

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 1544Low 1520
26 gamesHigh 1635Low 1515
52 gamesHigh 1665Low 1515
174 gamesHigh 1720Low 1496

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: 1520 (#44)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 6, 2026Kaneko MakiWomen's Kisei　Colors unknown↓17
July 27, 2026Mitsunaga JunzoSGW Cup Chuyo Preliminary Round 1　Colors unknown↓10
June 18, 2026Nagashima KozueOza　Colors unknown↓19
May 28, 2026Onishi RyuheiHoninbo　Colors unknown±0
May 11, 2026Rafif Shidqi FitrahOza　Colors unknown↑22
April 30, 2026Onda YasuhikoHoninbo　Colors unknown↑16
April 13, 2026Okada ShinichiroJudan　Colors unknown↓11
April 6, 2026Takeshita NanaTengen　Colors unknown↓17
March 12, 2026Takemiya MasakiJudan Preliminary C　as White↑26
March 5, 2026Suzuki AyumiSenko Cup Women's Strongest Player Preliminary　as Black↓4
February 26, 2026Miyazaki RyutaroGosei　Colors unknown↓16
February 5, 2026Hagiya KazuhiroJudan　Colors unknown↑11
January 22, 2026Yamada TakujiKisei First Tournament Preliminary Round 1　Colors unknown↓4
January 8, 2026Komatsu HidekoSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↑9
December 18, 2025Kubo HideoMeijin　Colors unknown↓8
December 11, 2025Kato KeikoTeikei Cup Women's Legend Round 2　as White↓12
December 1, 2025Kobayashi ChizuSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↑7
November 24, 2025Moro ArisaWomen's Honinbo Preliminary Final　as Black↓6
November 10, 2025Takayama NonokaMeijin Preliminary C　as Black↑15
November 6, 2025Aoki KikuyoTeikei Cup Women's Legend Round 1　as White↑24

Head-to-head

Up to 10 opponents, most-played first. Records are from Kuwabara Yoko'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
Okada Yumiko7-1.8751-02-0
Yoshihara Yukari4-3.5712-10-2
Kato Tomoko3-4.4290-10-0
Mukai Chiaki3-4.4291-12-0
Yashiro Kumiko3-4.4291-20-2
Mannami Kana2-4.3330-11-0
Osawa Narumi4-2.6670-00-1
Koyama Terumi2-4.3330-00-1
Suzuki Ayumi2-4.3331-20-1
Okuda Aya2-4.3331-01-2
Mimura Kaori3-2.6000-00-0
Kibe Natsuki1-4.2000-00-0
Shibusawa Machiko5-01.0000-00-0
Kanno Naomi5-01.0000-00-0
Fujisawa Kazunari1-4.2000-00-0

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
20265-9.357
202511-15.423
20244-19.174
202311-16.407
202216-15.516
20217-18.280
202011-11.500
20196-16.273
201815-19.441
201718-19.486
201621-15.583
20159-12.429
20145-5.500
20136-8.429
201213-10.565
201110-12.455
20101-3.250
20093-3.500
20081-3.250
20072-4.333
20021-01.000
Total84-148.362

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