Go Player Ratings

JAAbout ratings

Okada Shinichiro

Okada Shinichiro (岡田伸一郎) has a rating of 1491, ranked 276 of 452 in professional play. Their highest rating so far is 1807 (November 3, 2017).

Okada Shinichiro9 dan岡田伸一郎Nihon Ki-in Tokyo
Rating1491
Rank276
1-year change↑4
Peak rating1807
Last 10207-213
2026 record
4-8
Record since 1927
207-213
Win rate
.493

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

Professional ratingsFind a player

Rating history — professional

13 gamesHigh 1510Low 1484
48 gamesHigh 1540Low 1458
84 gamesHigh 1589Low 1458
307 gamesHigh 1807Low 1458

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, 2026Inaba TakahiroSGW Cup Chuyo Preliminary Round 1　Colors unknown↓6
June 25, 2026Han ZenkiOza　Colors unknown↓5
May 21, 2026Mimura TomoyasuHoninbo　Colors unknown↓4
May 11, 2026Mitani TetsuyaJudan　Colors unknown↓4
April 30, 2026Suzuki YoshimichiOza　Colors unknown↑23
April 23, 2026Hoshiai ShihoTengen　Colors unknown↓7
April 13, 2026Kuwabara YokoJudan　Colors unknown↑11
April 9, 2026Yanai KazumaMeijin　Colors unknown↓12
March 19, 2026Takao ShinjiGosei Preliminary C　as White↓2
March 9, 2026Rin KaihoJudan Preliminary C　as Black↑5
February 5, 2026Kenmochi JoJudan　Colors unknown↑10
January 22, 2026Takeshita NanaKisei First Tournament Preliminary Round 1　Colors unknown↓23
December 18, 2025Kono TakashiMeijin　Colors unknown↑20
August 21, 2025Kato YukiSGW Cup Chuyo Preliminary Round 2　as White↓10
August 21, 2025Takekiyo IsamuSGW Cup Chuyo Preliminary Round 1　as White↑20
August 11, 2025Adachi ToshimasaRyusei　Colors unknown↓2
July 28, 2025Takekiyo IsamuRyusei　Colors unknown↑21
July 7, 2025Shimosaka MioriOza　Colors unknown↓21
June 19, 2025Uchida ShuheiGosei　Colors unknown↓5
June 9, 2025Ogaki YusakuTengen　Colors unknown↓5

Head-to-head

Up to 10 opponents, most-played first. Records are from Okada Shinichiro'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
Suzuki Yoshimichi1-6.1430-00-1
Oya Koichi2-5.2860-10-1
So Kofuku4-2.6671-01-0
Kono Takashi2-4.3330-00-0
Kudo Norio4-1.8002-11-0
Rin Kaiho2-3.4001-21-0
Mochizuki Kenichi2-2.5000-00-1
Nakazawa Ayako3-1.7500-00-1
Osawa Narumi3-1.7500-00-0
Shiraishi Yuichi1-3.2500-10-0

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
20264-8.333
20257-10.412
20248-9.471
20238-10.444
20226-10.375
202113-10.565
20205-9.357
20198-11.421
201810-12.455
201724-12.667
201617-9.654
201510-10.500
20147-4.636
20138-4.667
20127-8.467
20113-7.300
20101-1.500
20090-5.000
20080-1.000
20071-2.333
20064-5.444
20059-11.450
200419-7.731
20035-11.313
200211-7.611
20010-1.000
19990-1.000
19980-2.000
19960-1.000
19951-2.333
19943-2.600
19933-3.500
19921-1.500
19901-3.250
19891-1.500
19881-1.500
19871-1.500
19860-1.000
Total207-213.493

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