Go Player Ratings

JAAbout ratings

Son Hideyo

Son Hideyo (孫英世) has a rating of 1497, ranked 269 of 452 in professional play. Their highest rating so far is 1536 (January 30, 2025).

Son Hideyo6 dan孫英世Kansai Ki-in
Rating1497
Rank269
1-year change↓4
Peak rating1536
Last 1022-30
2026 record
1-2
Record since 1927
22-30
Win rate
.423

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

Professional ratingsFind a player

Rating history — professional

3 gamesHigh 1497Low 1487
11 gamesHigh 1536Low 1487
18 gamesHigh 1536Low 1479
43 gamesHigh 1536Low 1479

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 26, 2026Yamanouchi MasakiTengen Preliminary B　as Black↑11
May 6, 2026Watanabe KandaiJudan Preliminary A　as Black↓6
January 15, 2026Takei TakashiKisei First Tournament Preliminary Round 1　Colors unknown↓10
May 14, 2025Sonoda YuichiJudan Preliminary A　as White↓12
March 24, 2025Osawa KenroKisei First Tournament Preliminary Quarterfinal　Colors unknown↓23
January 30, 2025Nakano ShoyaKisei First Tournament Preliminary Round 2　Colors unknown↑24
December 18, 2024Ota RyoKisei First Tournament Preliminary Round 1　Colors unknown↑18
June 19, 2024Seto TaikiMeijin Preliminary B　as Black↓2
March 28, 2024Tanaka NobuyukiKisei First Tournament Preliminary Quarterfinal　Colors unknown↓7
February 21, 2024Ito KayokoKisei First Tournament Preliminary Round 2　Colors unknown↑9
February 1, 2024Sakamoto YasuoKisei First Tournament Preliminary Round 1　Colors unknown↑16
January 11, 2023Taguchi MiseiKisei First Tournament Preliminary Round 2　Colors unknown↓16
December 7, 2022Tanaka KoyuTengen Preliminary A Final　as White↓4
August 31, 2022Sato YoheiTengen Preliminary A　as Black↑18
March 16, 2022Kiyonari TetsuyaJudan Preliminary A　as White↓8
March 10, 2022Furuya MasaoKisei First Tournament Preliminary Quarterfinal　Colors unknown↓21
January 12, 2022Kageyama ToshiyukiKisei First Tournament Preliminary Round 2　Colors unknown↑12
December 23, 2021Tatsumi AkaneKisei First Tournament Preliminary Round 1　Colors unknown↑16
January 14, 2021Komatsu DaikiKisei First Tournament Preliminary Round 1　Colors unknown↓11
December 16, 2020Hoshikawa KoyoKansai Ki-in First Place Tournament Round 1　as White↓15

Head-to-head

Up to 10 opponents, most-played first. Records are from Son Hideyo'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
Seto Taiki0-3.0000-20-1
Yamanaka Toshio2-01.0000-00-0
Sakamoto Yasuo1-1.5000-00-0
Takashima Yugo0-2.0000-00-0
Utsumi Koki2-01.0000-00-0
Ishii Shiro2-01.0000-00-0
Nakano Hironari0-1.0000-00-0
Taguchi Misei0-1.0000-00-0
Konno Tameto0-1.0000-00-0
Mizuno Hiromi1-01.0000-00-0

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
20261-2.333
20251-2.333
20243-2.600
20230-1.000
20222-3.400
20211-1.500
20201-1.500
20190-2.000
20181-2.333
20173-2.600
20162-3.400
20151-01.000
20120-1.000
20100-1.000
20090-1.000
20072-1.667
20060-1.000
20050-1.000
20043-1.750
20031-1.500
20020-1.000
Total22-30.423

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