Go Player Ratings

JAAbout ratings

Suzuki Isao

Suzuki Isao (鈴木伊佐男) has a rating of 1405, ranked 344 of 452 in professional play. Their highest rating so far is 1580 (March 9, 2006).

Suzuki Isao8 dan鈴木伊佐男Nihon Ki-in Tokyo
Rating1405
Rank344
1-year change↓57
Peak rating1580
Last 10116-175
2026 record
2-5
Record since 1927
116-175
Win rate
.399

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 1456Low 1405
36 gamesHigh 1486Low 1370
66 gamesHigh 1496Low 1370
207 gamesHigh 1580Low 1326

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
April 20, 2026Omori YasushiHoninbo　Colors unknown↓11
April 2, 2026Aoki KikuyoTengen　Colors unknown↓16
March 23, 2026Yashiro KumikoGosei　Colors unknown↓14
March 12, 2026Yamada TakujiJudan　Colors unknown↓6
March 5, 2026Shimoji GenshoTengen　Colors unknown↑10
February 12, 2026Kanno NaomiJudan　Colors unknown↑5
January 22, 2026Aoki KikuyoKisei First Tournament Preliminary Round 1　Colors unknown↓18
November 13, 2025Iguchi ToyohideMeijin　Colors unknown↓6
September 1, 2025Tajiri YutoOza　Colors unknown↓6
August 4, 2025Mizuma ToshifumiOza　Colors unknown↑17
July 28, 2025Seki RyosukeRyusei　Colors unknown↑22
July 21, 2025Matsumoto TakehisaRyusei　Colors unknown↑30
July 21, 2025Okada YumikoRyusei　Colors unknown↑12
June 12, 2025Kawai ShojiOza　Colors unknown↑17
May 25, 2025Takekiyo IsamuTengen　Colors unknown↓12
May 8, 2025Kawahara YuMeijin　Colors unknown↓7
April 28, 2025Ishida YoshioHoninbo　Colors unknown↓11
April 10, 2025Kikuchi MasatoshiMeijin　Colors unknown↑14
February 27, 2025Kurotaki MasanoriJudan　Colors unknown↓9
January 23, 2025Nakamura HidehitoGosei　Colors unknown↓11

Head-to-head

Up to 10 opponents, most-played first. Records are from Suzuki Isao'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
Aoki Kikuyo0-7.0000-00-0
Sakai Maki2-4.3330-00-0
Kawai Shoji1-5.1670-10-0
Takemiya Masaki1-4.2000-21-1
Ishikura Noboru3-2.6000-00-0
Hashimoto Yujiro2-2.5000-00-0
Toyoda Hirohito1-3.2500-00-0
Yamamoto Masato2-2.5000-00-0
Shibusawa Machiko4-01.0000-00-0
Omori Yasushi1-3.2500-00-0

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
20262-5.286
20256-7.462
20243-10.231
20238-10.444
20225-6.455
20214-9.308
20204-7.364
201910-8.556
20182-9.182
20176-11.353
20165-10.333
20156-10.375
20144-2.667
20132-6.250
20122-9.182
20112-5.286
20100-1.000
20090-2.000
20080-1.000
20070-1.000
20062-5.286
200514-8.636
20048-10.444
200314-9.609
20024-8.333
19980-1.000
19932-1.667
19911-01.000
19900-2.000
19880-1.000
19870-1.000
Total116-175.399

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