Go Player Ratings

JAAbout ratings

Sakai Hideyuki

Sakai Hideyuki (坂井秀至) has a rating of 1836. Their highest rating so far is 1972 (April 2, 2009).

Sakai Hideyuki8 dan坂井秀至Kansai Ki-in
Rating1836
Rank—
1-year change—
Peak rating1972
Last 10304-251
2019 record
8-8
Record since 1927
304-251
Win rate
.548

No games in the last year

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

Professional ratingsFind a player

Rating history — professional

429 gamesHigh 1972Low 1774

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 8, 2019Shuto ShunJudan Final Preliminary　as White↑19
July 17, 2019Taniguchi ToruGosei Preliminary A　as White↓25
June 3, 2019Kyo KagenTengen Round 3　as White↓5
May 27, 2019Mutsuura YutaAgon Kiriyama Cup Final Preliminary Final　as Black↓11
May 12, 2019Akiyama JiroNHK Cup Main Tournament Round 1　Colors unknown↓15
May 8, 2019Taniguchi ToruJudan Preliminary A　as Black↑7
April 25, 2019Kikkawa HajimeAgon Kiriyama Cup Final Preliminary　as White↑7
April 8, 2019Akiyama JiroNHK Cup Round 1　as White↓17
March 18, 2019Fujisawa RinaTengen Round 2　as White↑17
March 7, 2019Furuya YutakaKisei First Tournament Round 5　as White↓24
February 28, 2019Shibano ToramaruOza Final Preliminary　as Black↓8
February 13, 2019Sekiyama ToshimichiKisei First Tournament Round 4　as White↑4
January 31, 2019Hikosaka NaotoTengen Round 1　as White↑13
January 24, 2019Yamashita KeigoGosei Round 2　as Black↓5
January 16, 2019Utsumi KokiOza Preliminary A　as White↑4
January 10, 2019O KeiiKisei First Tournament Round 3　as White↑5
December 20, 2018Fujisawa RinaGosei Round 1　as Black↑17
November 29, 2018Ito KenryoKisei First Tournament Round 2　as White↑9
October 31, 2018Ha YoungilKansai Ki-in First Place Tournament Round 1　as Black↓23
October 17, 2018Kubo KatsuakiTengen Preliminary A　as White↑6

Head-to-head

Up to 10 opponents, most-played first. Records are from Sakai Hideyuki'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
Yuki Satoshi9-10.4744-55-4
Yamada Kimio7-10.4121-54-4
Mizokami Tomochika8-9.4711-44-3
Kono Rin2-15.1180-71-5
Cho U7-10.4121-65-3
Takao Shinji5-11.3131-53-6
Yamashita Keigo3-12.2001-32-8
Hane Naoki8-5.6154-43-1
Iyama Yuta1-11.0831-60-4
Yoda Norimoto6-5.5455-21-2
Kobayashi Satoru6-5.5454-11-4
Murakawa Daisuke5-4.5563-02-4
Ko Iso4-4.5002-12-3
Cho Chikun3-5.3752-41-1
Kiyonari Tetsuya4-4.5002-12-3
Yukawa Mitsuhisa4-3.5711-13-2
Hikosaka Naoto7-01.0001-06-0
Ryu Shikun2-5.2861-20-2
Seto Taiki2-5.2862-20-3
Akiyama Jiro0-6.0000-10-3
Imamura Toshiya4-2.6671-12-0
Furuya Yutaka4-2.6671-13-1
Yu Zhengqi2-4.3331-10-3
Awaji Shuzo3-3.5001-01-2
O Rissei4-2.6673-00-1
Yokota Shigeaki4-2.6672-12-1
Cho Sonjin1-5.1671-30-1
Nakano Hironari4-1.8001-02-1
Nakano Yasuhiro4-1.8003-11-0
Sonoda Yuichi5-01.0003-01-0
Mimura Tomoyasu2-3.4001-10-2
So Yokoku1-4.2001-10-1
Kyo Kagen1-4.2001-20-1
Cho Riyu3-2.6001-02-2
Kurahashi Masayuki4-1.8002-11-0
O Meien3-2.6002-01-2

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
20198-8.500
201817-14.548
201723-18.561
201619-14.576
201518-13.581
201413-15.464
201317-17.500
201215-14.517
201120-24.455
201020-14.588
200920-11.645
200813-14.481
200714-16.467
200625-15.625
200516-15.516
200425-14.641
200311-4.733
20022-4.333
20012-01.000
19981-01.000
19970-1.000
19962-2.500
19951-01.000
19901-01.000
19881-4.200
Total304-251.548

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