Go Player Ratings

JAAbout ratings

Kunimatsu So

Kunimatsu So (國松聡) has a rating of 1651, ranked 166 of 452 in professional play. Their highest rating so far is 1666 (August 20, 2026).

Kunimatsu So1 dan國松聡Nihon Ki-in Kansai HQ
Rating1651
Rank166
1-year change↑151
Peak rating1666
Last 1019-5
2026 record
15-5
Record since 1927
19-5
Win rate
.792

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

Professional ratingsFind a player

Rating history — professional

17 gamesHigh 1666Low 1516
17 gamesHigh 1666Low 1516
17 gamesHigh 1666Low 1516
17 gamesHigh 1666Low 1516

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 14, 2026Mito ShuheiHiroshima Aluminum Cup Wakagoi Preliminary　as Black↓6
September 7, 2026Yamada KimioOza Preliminary B　as White↓9
August 20, 2026Nakane DaikiTengen　Colors unknown↑13
August 6, 2026Furuya MasaoOza　Colors unknown↑6
July 23, 2026Nakamura ShinyaTengen　Colors unknown↑24
July 9, 2026Hane NaokiHoninbo　Colors unknown↓8
July 2, 2026Kirimoto KazuoTengen　Colors unknown↑2
June 15, 2026Sasaki TsuyoshiOza　Colors unknown↑7
June 4, 2026Yamamoto KentaroTengen　Colors unknown↑12
May 27, 2026Takeshita NanaIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↑8
May 26, 2026Mizokami DaisukeIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↑12
May 26, 2026Saga ShuntaroIwamoto Kaoru Memorial Masuda Cup Main Tournament　Colors unknown↑15
May 21, 2026Konishi YoshiakiraHoninbo　Colors unknown↑25
May 11, 2026Nakano ShoyaOza　Colors unknown↑19
April 30, 2026Otani NaokiGosei　Colors unknown↓6
April 20, 2026Xiao YuyangGlobis Cup Japan Preliminary Final　as White—
April 20, 2026Kumaki TeruyaGlobis Cup Japan Preliminary Round 1　as White—
April 20, 2026Konishi YoshiakiraGlobis Cup Japan Representative Playoff Round 2　Colors unknown—
April 2, 2026Takei TakashiGosei　Colors unknown↑21
March 12, 2026Takabayashi MasahiroGosei　Colors unknown↑16

Head-to-head

Up to 10 opponents, most-played first. Records are from Kunimatsu So'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
Saga Shuntaro2-01.0000-01-0
Konishi Yoshiakira2-01.0000-00-0
Cho Koharu1-01.0001-00-0
Kuwabara Itsuki1-01.0001-00-0
Hane Naoki0-1.0000-00-0
Takeshita Nana1-01.0000-00-0
Mito Shuhei0-1.0000-10-0
Yanagihara Saki1-01.0001-00-0
Nakane Daiki1-01.0000-00-0
Takei Takashi1-01.0000-00-0

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
202615-5.750
20254-01.000
Total19-5.792

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