Go Player Ratings

JAAbout ratings

Shinkai Hiroko

Shinkai Hiroko (新海洋子) has a rating of 1144. Their highest rating so far is 1334 (April 14, 2012).

Retired. The rating shown is the rating at retirement.

Shinkai Hiroko6 dan新海洋子Nihon Ki-in Tokyo
Rating1144
Rank—
1-year change—
Peak rating1334
Last 1028-121
2020 record
1-3
Record since 1927
28-121
Win rate
.188

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

93 gamesHigh 1334Low 1144

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)

55 gamesHigh 1556Low 1369

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: 1369　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
March 26, 2020Tsurumaru KeiichiTengen　Colors unknown↓9
March 12, 2020Shibusawa MachikoOza　Colors unknown↓22
February 13, 2020Oba JunyaGosei　Colors unknown±0
January 23, 2020Cho ChienGosei　Colors unknown↑25
December 23, 2019Cho ChienHakata Kamachi Cup Preliminary Round 1　Colors unknown↓8
December 19, 2019Ueno RisaSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↓10
December 12, 2019Takagi ShoichiMeijin　Colors unknown↓4
November 7, 2019Xie YiminWomen's Honinbo Preliminary Round 1　Colors unknown↓2
October 31, 2019Shimoji GenshoKisei First Tournament Preliminary Round 1　Colors unknown↓7
October 17, 2019Aoki KikuyoWomen's Tachiaoi Cup Preliminary Round 1　Colors unknown↓4
September 19, 2019Ando KazushigeHoninbo　Colors unknown↓3
August 1, 2019Rin KaihoJudan Preliminary C　as White↓6
July 8, 2019Ueno RisaWomen's Kisei Preliminary B　as Black↑22
July 8, 2019Yashiro KumikoWomen's Kisei　Colors unknown↓3
May 6, 2019Ko ReibunRyusei　Colors unknown↓2
April 25, 2019Kobayashi KenjiTengen　Colors unknown↓12
April 11, 2019Kin EnOza　Colors unknown↓14
March 7, 2019Kono TakashiMeijin　Colors unknown↓2
February 21, 2019Kojima TakahoMeijin　Colors unknown↑26
January 17, 2019Aoki ShinichiGosei　Colors unknown↓2

Head-to-head

Up to 10 opponents, most-played first. Records are from Shinkai Hiroko'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 Tomoko1-8.1110-41-4
Okada Yumiko3-3.5001-01-1
Kobayashi Chizu2-4.3330-22-2
Yashiro Kumiko2-4.3331-01-1
Sugiuchi Kazuko1-4.2001-20-2
Mannami Kana1-4.2000-11-1
Chinen Kaori1-4.2000-11-2
Koyama Terumi0-5.0000-00-3
Suzuki Ayumi2-3.4002-00-1
Aoba Kaori1-3.2500-10-0

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
20201-3.250
20192-14.125
20185-16.238
20173-16.158
20162-15.118
20154-13.235
20142-3.400
20130-6.000
20123-10.231
20112-9.182
20101-1.500
20092-1.667
20080-1.000
20071-2.333
20063-7.300
20055-16.238
20047-11.389
20037-11.389
20021-10.091
20010-2.000
20003-4.429
19994-1.800
19940-3.000
19932-2.500
19921-4.200
19910-1.000
19901-3.250
19884-4.500
19874-1.800
19862-2.500
19854-3.571
19842-2.500
19833-2.600
19820-3.000
19811-01.000
19802-5.286
19790-3.000
Total28-121.188

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