Go Player Ratings

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Sakamoto Yasuo

Sakamoto Yasuo (阪本寧生) has a rating of 1449, ranked 308 of 452 in professional play. Their highest rating so far is 1590 (May 19, 2012).

Sakamoto Yasuo6 dan阪本寧生Nihon Ki-in Kansai HQ
Rating1449
Rank308
1-year change↑33
Peak rating1590
Last 10142-173
2026 record
5-6
Record since 1927
142-173
Win rate
.451

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

Professional ratingsFind a player

Rating history — professional

14 gamesHigh 1454Low 1400
44 gamesHigh 1496Low 1400
80 gamesHigh 1573Low 1400
276 gamesHigh 1590Low 1400

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 6, 2026Kato ChieOza　Colors unknown↓5
July 16, 2026Horimoto MitsunariOza　Colors unknown↑28
June 1, 2026Sekiyama HonokaOza　Colors unknown↑11
May 25, 2026Otani NaokiHoninbo　Colors unknown↓3
April 30, 2026Tsukada ChiharuOza　Colors unknown↑18
April 13, 2026Goto ShungoTengen　Colors unknown↓9
March 30, 2026Utani ShuntaGosei　Colors unknown↓11
March 16, 2026Asahi YujunJudan　Colors unknown↓9
February 26, 2026Mito YukariGosei　Colors unknown↑7
February 16, 2026Sasaki TsuyoshiTengen　Colors unknown↑18
January 15, 2026Deguchi MarikoKisei First Tournament Preliminary Round 1　Colors unknown↓18
December 25, 2025Ishida AtsushiMeijin　Colors unknown↓6
December 4, 2025Minematsu MasakiMeijin　Colors unknown↑6
November 13, 2025Furuta NaoyoshiMeijin　Colors unknown↑7
August 18, 2025Kasahara YukiRyusei　Colors unknown↓11
August 7, 2025Kikkawa HajimeTengen　Colors unknown↓6
June 26, 2025Sasaka ShiroTengen　Colors unknown↑20
June 16, 2025Sasaki TsuyoshiOza　Colors unknown↓15
June 5, 2025Tajima ShingoHoninbo　Colors unknown↓16
May 29, 2025Miyagawa FumihikoJudan　Colors unknown↓11

Head-to-head

Up to 10 opponents, most-played first. Records are from Sakamoto Yasuo'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
Yanagawa Hiromasa4-6.4000-00-0
Kitano Ryo4-5.4440-00-0
Enda Hideki6-2.7500-00-0
Iwamaru Taira2-6.2500-00-0
Tsukuda Akiko4-3.5710-00-0
Minematsu Masaki6-1.8570-00-0
Goto Shungo1-6.1430-00-0
Takagi Junpei5-2.7140-00-0
Yamada Shiho3-3.5000-00-0
Enda Yoichi5-1.8330-00-0
Takei Takashi3-3.5000-00-0
Tajima Shingo1-5.1670-00-0
Otani Naoki1-5.1670-00-0
Takabayashi Masahiro5-1.8330-00-0
Muramatsu Hiroki2-4.3330-00-0
Kori Toshio3-3.5000-00-0
Furuya Masao3-3.5000-00-0
Sasaki Tsuyoshi4-2.6670-00-0
Utani Shunta3-3.5000-00-0
Sano Takatsugu3-3.5000-00-0
Yamamoto Kentaro4-2.6670-00-0
Ohashi Naruya2-3.4000-00-0
Kirimoto Kazuo5-01.0000-00-0
Miyamoto Chiharu5-01.0000-00-0

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
20265-6.455
20257-10.412
20245-9.357
20236-9.400
202212-8.600
20218-10.444
20208-8.500
20198-11.421
201813-10.565
201713-13.500
20167-10.412
20155-8.385
20144-6.400
20134-7.364
20129-10.474
20116-6.500
20100-1.000
20091-01.000
20082-4.333
20071-3.250
20061-3.250
20059-8.529
20046-9.400
20032-4.333
Total142-173.451

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