Go Player Ratings

JAAbout ratings

Sekiyama Honoka

Sekiyama Honoka (関山穂香) has a rating of 1290, ranked 409 of 452 in professional play. Their highest rating so far is 1489 (July 28, 2025).

Sekiyama Honoka1 dan関山穂香Nihon Ki-in Kansai HQ
Rating1290
Rank409
1-year change↓130
Peak rating1489
Last 102-24
2026 record
3-13
Record since 1927
2-24
Win rate
.077

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

Professional ratingsFind a player

Rating history — professional

16 gamesHigh 1399Low 1287
21 gamesHigh 1489Low 1287
21 gamesHigh 1489Low 1287
21 gamesHigh 1489Low 1287

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)

4 gamesHigh 1458Low 1433
6 gamesHigh 1483Low 1433
6 gamesHigh 1483Low 1433
6 gamesHigh 1483Low 1433

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: 1451 (#64)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 27, 2026Tsukada ChiharuWomen's Kisei　Colors unknown↑19
August 27, 2026Kim HyunjongWomen's Kisei　Colors unknown↓18
July 30, 2026Kohara NonoHiroshima Aluminum Cup Wakagoi Preliminary Round 1　Colors unknown↓9
June 1, 2026Sakamoto YasuoOza　Colors unknown↓11
May 27, 2026Katayama TokoIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↑23
May 27, 2026Takayama NonokaIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↓18
May 26, 2026Mizokami DaisukeIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↓9
May 26, 2026Saga ShuntaroIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↓7
May 14, 2026Ueno RisaGlobis Cup Japan Preliminary Round 1　as White—
April 16, 2026Kirimoto KazuoTengen　Colors unknown↓26
April 6, 2026Goto HajimuHoninbo　Colors unknown↓4
March 26, 2026Sasaki TsuyoshiGosei　Colors unknown↓14
February 26, 2026Tanaka ChiekoTengen　Colors unknown↑3
February 5, 2026Ishii KunioJudan　Colors unknown↓9
January 26, 2026Tatsumi AkaneSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓7
January 15, 2026Imamura YoshiakiKisei First Tournament Preliminary Round 1　Colors unknown↓6
December 18, 2025Shigekawa AkashiShinjin-O Preliminary　Colors unknown↓6
November 20, 2025Torii YutaMeijin　Colors unknown↓5
November 6, 2025Tsukada ChiharuWomen's Honinbo Preliminary Round 1　Colors unknown↓15
October 2, 2025Tanaka KentaroTeikei Cup Shun-ei Preliminary Round 1　Colors unknown↓10

Head-to-head

Up to 10 opponents, most-played first. Records are from Sekiyama Honoka'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
Cho Koharu0-2.0000-20-0
Goto Hajimu0-2.0000-10-0
Sakuramoto Ayako0-2.0000-10-0
Tsukada Chiharu1-1.5000-00-0
Takeshita Nana0-1.0000-10-0
Seki Ryosuke0-1.0000-10-0
Tatsumi Akane0-1.0000-00-0
Yanagihara Saki0-1.0000-10-0
Saga Shuntaro0-1.0000-00-0
Takayama Nonoka0-1.0000-00-0

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
20263-13.188
20250-16.000
Total2-24.077

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