Go Player Ratings

JAAbout ratings

Haruyama Isamu

Haruyama Isamu (春山勇) has a rating of 1479. Their highest rating so far is 1615 (March 2, 2006).

Retired. The rating shown is the rating at retirement.

Haruyama Isamu春山勇Nihon Ki-in Tokyo
Rating1479
Rank—
1-year change—
Peak rating1615
Last 10215-201
2013 record
0-3
Record since 1927
215-201
Win rate
.517

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

55 gamesHigh 1615Low 1479

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
May 24, 2013Akiyama JiroOza　Colors unknown↓3
February 13, 2013鮫島一郎Agon Kiriyama Cup　Colors unknown↓20
January 17, 2013Fukui SusumuGosei　Colors unknown↓15
December 13, 2012Suzuki YoshimichiHoninbo　Colors unknown↓8
November 1, 2012Yasuda YasutoshiHoninbo　Colors unknown↑17
October 27, 2012Kato TomokoMeijin　Colors unknown↓21
October 6, 2012Fujisawa KazunariJudan　Colors unknown↓19
September 8, 2012Chinen KaoriJudan　Colors unknown↑17
May 19, 2012Xie YiminTengen　Colors unknown↓11
May 5, 2012Chinen KaoriOza　Colors unknown↓17
April 19, 2012Horimoto MitsunariGosei　Colors unknown↓18
April 7, 2012Makihata TaekoOza　Colors unknown↑10
March 31, 2012Kanai TenpeiTengen　Colors unknown↑6
February 17, 2012Tahara YasufumiGosei　Colors unknown↓18
February 10, 2012Matsubara TaiseiOza　Colors unknown↑14
February 2, 2012Shimoji GenshoGosei　Colors unknown↑10
January 27, 2012Chinen KaoriMeijin　Colors unknown↓18
January 13, 2012Sanno HirotakaGosei　Colors unknown↑15
December 1, 2011Tamai ShinHoninbo　Colors unknown↓13
October 14, 2011Izumitani HideoJudan　Colors unknown↓17

Head-to-head

Up to 10 opponents, most-played first. Records are from Haruyama Isamu'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
Sanno Hirotaka5-3.6253-21-1
Kobayashi Koichi1-7.1251-60-1
Kudo Norio1-6.1430-21-3
Shinohara Masami4-3.5713-21-1
Ito Tomoe6-1.8575-11-0
Sato Masaharu3-4.4292-10-3
Ishida Akira3-4.4293-30-0
Cho Chikun2-5.2862-40-1
Kanashima Tadashi4-2.6670-02-1
Kato Masao0-6.0000-20-4
Takemiya Masaki0-6.0000-40-2
Kobayashi Satoru2-4.3330-11-2
Kamimura Haruo2-4.3332-10-2
Tanaka Minaichi5-01.0005-00-0
Yokoyama Koichi4-1.8002-02-1
Honma Akio4-1.8003-01-1
Suzuki Goro4-1.8000-14-0

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
20130-3.000
20127-8.467
20118-6.571
20103-01.000
20091-2.333
20080-1.000
20070-1.000
20067-8.467
20059-9.500
20048-9.471
20037-9.438
200210-6.625
19993-1.750
19950-2.000
19940-1.000
19930-1.000
19921-3.250
19910-4.000
19901-1.500
19890-1.000
19880-1.000
19871-2.333
19863-6.333
19851-2.333
19842-4.333
19832-4.333
19821-2.333
19812-1.667
19804-4.500
19799-5.643
19789-7.563
19777-4.636
19762-2.500
19757-5.583
197411-11.500
197311-9.550
197211-8.579
197112-8.600
197011-5.688
19696-7.462
196814-6.700
19679-9.500
19667-9.438
19655-2.714
19641-1.500
19632-1.667
Total215-201.517

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