Go Player Ratings

JAAbout ratings

Oki Keiji

Oki Keiji (大木啓司) has a rating of 1389, ranked 353 of 452 in professional play. Their highest rating so far is 1579 (October 23, 2015).

Oki Keiji8 dan大木啓司Nihon Ki-in Tokyo
Rating1389
Rank353
1-year change↓34
Peak rating1579
Last 10131-191
2026 record
0-7
Record since 1927
131-191
Win rate
.407

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

Professional ratingsFind a player

Rating history — professional

8 gamesHigh 1419Low 1389
37 gamesHigh 1435Low 1354
69 gamesHigh 1435Low 1354
245 gamesHigh 1579Low 1354

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 31, 2026Sotoyanagi SebunSGW Cup Chuyo Preliminary Round 1　Colors unknown↓2
May 25, 2026Seki RyosukeOza　Colors unknown↓6
April 2, 2026Mimura TomoyasuJudan　Colors unknown↓3
March 26, 2026Xiao YuyangHoninbo　Colors unknown↓1
March 19, 2026Ishikura NoboruTengen　Colors unknown↓16
March 2, 2026Suzuki ShinjiGosei　Colors unknown↓1
February 5, 2026Fujisawa RinaKisei First Tournament Preliminary Round 2　Colors unknown↓1
November 24, 2025Mochizuki KenichiMeijin　Colors unknown↓4
September 11, 2025Torii YutaSGW Cup Chuyo Preliminary Round 1　as White↓8
August 28, 2025Numadate SakiyaOza　Colors unknown↓4
August 4, 2025Hashimoto YujiroOza　Colors unknown↑23
July 7, 2025Mukai ChiakiRyusei　Colors unknown↓4
June 5, 2025Han ZenkiJudan　Colors unknown↓4
May 29, 2025Mannami NaoOza　Colors unknown↑20
May 12, 2025Kubo HideoHoninbo　Colors unknown↓9
May 1, 2025Kubo HideoJudan　Colors unknown↑25
April 28, 2025Shiraishi YuichiTengen　Colors unknown↓9
April 3, 2025Seki TatsuyaJudan　Colors unknown↑22
March 13, 2025Takeshita NanaJudan　Colors unknown↑18
February 20, 2025Tsuji HanaMeijin　Colors unknown↓6

Head-to-head

Up to 10 opponents, most-played first. Records are from Oki Keiji'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
Omori Yasushi2-3.4000-01-0
So Kofuku1-3.2500-00-0
Kudo Norio0-4.0000-10-0
Matsubara Taisei2-2.5000-00-0
Aragaki Takeshi3-1.7500-00-0
Sun Zhe0-4.0000-00-0
Mukai Chiaki1-3.2500-00-1
Maeda Ryoji1-3.2500-10-0
Kono Mitsuki2-2.5000-00-0
Numadate Sakiya0-3.0000-00-0

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
20260-7.000
20255-10.333
20244-9.308
20233-12.200
20227-8.467
20215-11.313
20203-8.273
20198-10.444
201813-11.542
20176-13.316
20164-9.308
20159-10.474
20144-5.444
20134-3.571
20127-8.467
20116-7.462
20101-2.333
20091-1.500
20081-01.000
20070-1.000
20065-4.556
20059-10.474
200412-9.571
20033-10.231
20026-7.462
20010-1.000
19990-1.000
19951-01.000
19930-1.000
19900-1.000
19892-01.000
19882-2.500
Total131-191.407

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