Go Player Ratings

JAAbout ratings

Sekiyama Toshimichi

Sekiyama Toshimichi (関山利道) has a rating of 1544, ranked 236 of 452 in professional play. Their highest rating so far is 1557 (April 11, 2024).

Sekiyama Toshimichi9 dan関山利道Kansai Ki-in
Rating1544
Rank236
1-year change↑19
Peak rating1557
Last 1030-54
2026 record
2-1
Record since 1927
30-54
Win rate
.357

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

Professional ratingsFind a player

Rating history — professional

3 gamesHigh 1544Low 1530
13 gamesHigh 1557Low 1488
17 gamesHigh 1557Low 1488
54 gamesHigh 1557Low 1481

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
September 17, 2026Okuma YutoOza Preliminary B　as Black↑14
March 5, 2026Ikemoto RyotaKisei First Tournament Preliminary Round 2　Colors unknown↓5
January 7, 2026Morino SetsuoKisei First Tournament Preliminary Round 1　Colors unknown↑10
September 11, 2025Nishimura JinTengen Preliminary B　as White↓13
May 21, 2025Fujita ReoHoninbo Preliminary C　as White↑14
February 13, 2025Shiga TsukasaKisei First Tournament Preliminary Round 2　Colors unknown↓17
June 6, 2024Ha YoungilMeijin Preliminary B　as Black↓8
May 2, 2024Imabun TaroKisei First Tournament Round 5　as Black↓7
April 11, 2024Sakai TakashiKisei First Tournament Round 4　as Black↑18
March 28, 2024Ohashi NaruyaKisei First Tournament Round 3　as White↑27
February 14, 2024Kurahashi ShozoKisei First Tournament Preliminary Round 2　Colors unknown↑11
January 10, 2024Yamanouchi MasakiKisei First Tournament Preliminary Round 1　Colors unknown↑13
November 29, 2023Imabun TaroTengen Preliminary A　as White↓7
June 7, 2023Takashima YugoJudan Preliminary A Final　as White↓8
December 8, 2022Horimoto MitsunariKisei First Tournament Preliminary Round 1　Colors unknown↓8
June 1, 2022Watanabe KandaiJudan Preliminary A　as Black↓10
January 12, 2022Ha YoungilKisei First Tournament Preliminary Round 1　Colors unknown↓9
March 10, 2021Abe YoshikiKisei First Tournament Preliminary Quarterfinal　Colors unknown↓12
February 18, 2021Sakamoto YasuoKisei First Tournament Preliminary Round 2　Colors unknown↑16
July 29, 2020Kan MinuGosei Preliminary A　as Black↓8

Head-to-head

Up to 10 opponents, most-played first. Records are from Sekiyama Toshimichi'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
Abe Yoshiki0-3.0000-00-1
Shimojima Yohei0-2.0000-00-0
Sato Akira2-01.0000-00-0
Luo Xihe0-2.0000-20-0
Yokota Shigeaki0-2.0000-10-1
Morino Setsuo2-01.0000-00-0
Fujii Shuya1-1.5000-01-1
Sakai Hideyuki1-1.5000-11-0
Takahashi Masumi2-01.0000-00-0
Nishi Takenobu0-2.0000-10-0

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
20262-1.667
20251-2.333
20244-2.667
20230-2.000
20220-3.000
20211-1.500
20200-1.000
20193-3.500
20181-2.333
20175-4.556
20161-5.167
20152-1.667
20100-3.000
20091-1.500
20070-1.000
20060-1.000
20053-1.750
20040-1.000
20031-2.333
20010-1.000
20001-2.333
19990-1.000
19961-3.250
19950-1.000
19930-1.000
19920-1.000
19913-6.333
19900-1.000
Total30-54.357

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