Go Player Ratings

JAAbout ratings

Hoshiai Shiho

Hoshiai Shiho (星合志保) has a rating of 1696, ranked 138 of 452 in professional play. Their highest rating so far is 1739 (July 5, 2021).

Hoshiai Shiho4 dan星合志保Nihon Ki-in Tokyo
Rating1696
Rank138
1-year change↓5
Peak rating1739
Last 10154-155
2026 record
17-11
Record since 1927
154-155
Win rate
.498

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

Professional ratingsFind a player

Rating history — professional

23 gamesHigh 1713Low 1679
78 gamesHigh 1728Low 1609
128 gamesHigh 1733Low 1597
304 gamesHigh 1739Low 1403

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)

16 gamesHigh 1906Low 1842
59 gamesHigh 1906Low 1742
91 gamesHigh 1906Low 1740
189 gamesHigh 1906Low 1482

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: 1894 (#7)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 6, 2026Nyu EikoOza　Colors unknown↓17
July 30, 2026Kohara NonoHiroshima Aluminum Cup Wakagoi Preliminary Semifinal　Colors unknown↑7
July 30, 2026Fujisawa RinaHiroshima Aluminum Cup Wakagoi Preliminary Final　Colors unknown↓6
July 30, 2026Tsuji HanaHiroshima Aluminum Cup Wakagoi Preliminary Round 1　Colors unknown↑13
July 27, 2026So KofukuOza　Colors unknown↑8
July 23, 2026Ueno RisaWomen's Honinbo Round 5　as Black↓12
July 16, 2026Suzuki AyumiTengen　Colors unknown↓15
July 9, 2026Mukai ChiakiWomen's Honinbo Round 4　as White↑21
July 6, 2026Kanda EiOza　Colors unknown↑6
June 18, 2026Fujisawa KazunariTengen　Colors unknown↑11
June 15, 2026Iwata SaekaWomen's Honinbo Round 3　as Black↑12
June 11, 2026Jo BunenSenko Cup Women's Strongest Player Round 2　as Black↓21
June 4, 2026Suzuki ShinjiMeijin　Colors unknown↓4
May 28, 2026Kanazawa HideoHoninbo　Colors unknown↓14
May 14, 2026Mimura KaoriWomen's Honinbo Round 2　as White↑5
April 29, 2026Ueno AsamiFumakilla Women's Go Brains Match Round 1　as Black↓5
April 27, 2026Omori RanSenko Cup Women's Strongest Player Round 1　as White↑5
April 23, 2026Okada ShinichiroTengen　Colors unknown↑8
April 6, 2026Takeshita RyoyaMeijin　Colors unknown↑18
April 2, 2026So YokokuGosei　Colors unknown↓10

Head-to-head

Up to 10 opponents, most-played first. Records are from Hoshiai Shiho'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
Fujisawa Rina3-16.1580-72-6
Ueno Asami0-13.0000-40-3
Mukai Chiaki4-9.3081-12-2
Nyu Eiko3-7.3001-22-3
Xie Yimin3-6.3330-11-4
Suzuki Ayumi6-3.6672-01-0
Kaneko Maki5-3.6251-00-0
Koyama Terumi7-1.8753-00-0
Ueno Risa1-7.1250-31-2
Okuda Aya3-4.4291-01-0
Jo Bunen3-3.5000-10-1
Kibe Natsuki3-3.5000-00-0
Yashiro Kumiko2-4.3331-00-1
Nakayama Kaoru5-01.0000-01-0
Yoshihara Yukari4-1.8001-10-0
Nagashima Kozue5-01.0000-01-0
Mannami Nao3-2.6001-00-0
Tsuji Hana4-1.8000-10-0
Shibusawa Machiko5-01.0000-00-0
Koda Akiko4-1.8000-00-0

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
202617-11.607
202523-20.535
202433-21.611
202320-19.513
202224-15.615
202126-18.591
202017-17.500
201919-15.559
201828-24.538
201722-21.512
201621-22.488
201514-14.500
20145-6.455
20132-5.286
Total154-155.498

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