Go Player Ratings

JAAbout ratings

Izumitani Hideo

Izumitani Hideo (泉谷英雄) has a rating of 1572, ranked 213 of 452 in professional play. Their highest rating so far is 1619 (November 18, 2011).

Izumitani Hideo9 dan泉谷英雄Nihon Ki-in Tokyo
Rating1572
Rank213
1-year change↑35
Peak rating1619
Last 10162-210
2026 record
8-6
Record since 1927
162-210
Win rate
.435

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

Professional ratingsFind a player

Rating history — professional

18 gamesHigh 1585Low 1530
50 gamesHigh 1585Low 1453
85 gamesHigh 1585Low 1453
261 gamesHigh 1619Low 1430

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 20, 2026Yamamori TadanaoSGW Cup Chuyo Preliminary Semifinal　Colors unknown↑19
August 20, 2026Takeda YoshinoriSGW Cup Chuyo Preliminary Round 1　Colors unknown↑4
June 25, 2026Ishida YoshioOza　Colors unknown↓20
June 15, 2026Kataoka SatoshiTengen　Colors unknown↓13
May 28, 2026Ishikura NoboruOza　Colors unknown↑10
May 14, 2026Michael RedmondTengen　Colors unknown↑20
May 7, 2026Michael RedmondJudan　Colors unknown↓13
April 27, 2026Takemiya YokoHoninbo　Colors unknown↓20
April 9, 2026Yokota HinanoJudan　Colors unknown↑18
March 30, 2026Endo YoshifumiTengen　Colors unknown↑10
March 19, 2026Cho RiyuGosei　Colors unknown↓5
March 12, 2026Aoki ShinichiJudan　Colors unknown↑19
January 29, 2026Shimoji GenshoJudan　Colors unknown↑7
January 19, 2026Han ZenkiKisei First Tournament Preliminary Round 1　Colors unknown↓7
December 11, 2025Chang FukangMeijin　Colors unknown↓7
November 17, 2025Takanashi SeikenMeijin　Colors unknown↑21
September 18, 2025Utani ShuntaSGW Cup Chuyo Preliminary Round 2　as White↓15
September 18, 2025Kenmochi JoSGW Cup Chuyo Preliminary Round 1　as Black↑8
September 15, 2025Kobayashi KoichiOza　Colors unknown↓9
August 21, 2025Mitani TetsuyaTengen　Colors unknown↓5

Head-to-head

Up to 10 opponents, most-played first. Records are from Izumitani Hideo'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
Mitani Tetsuya0-6.0000-00-0
Mimura Kaori4-1.8000-00-1
Yoda Norimoto0-5.0000-30-2
Shuto Shun0-5.0000-00-1
Kataoka Satoshi0-5.0000-10-1
Sonoda Yasutaka3-2.6000-00-0
Kudo Norio2-2.5000-01-1
Tei Meiko4-01.0000-00-0
Takemiya Masaki2-2.5001-10-1
Kubo Hideo2-2.5000-00-0

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
20268-6.571
20259-9.500
20247-8.467
20234-13.235
202210-9.526
20216-10.375
20206-8.429
201913-10.565
20189-11.450
201711-13.458
20167-10.412
20154-9.308
20143-5.375
20131-6.143
20124-11.267
20116-4.600
20100-3.000
20091-01.000
20081-01.000
20062-4.333
200511-12.478
200414-8.636
20033-9.250
20025-7.417
20010-1.000
19980-2.000
19971-01.000
19961-2.333
19940-2.000
19930-2.000
19920-3.000
19910-1.000
19902-7.222
19895-2.714
19886-2.750
19872-1.667
Total162-210.435

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