Go Player Ratings

JAAbout ratings

Sakakibara Masateru

Sakakibara Masateru (榊原正晃) has a rating of 1392, ranked 350 of 452 in professional play. Their highest rating so far is 1494 (August 26, 2010).

Sakakibara Masateru8 dan榊原正晃Kansai Ki-in
Rating1392
Rank350
1-year change↓20
Peak rating1494
Last 1010-28
2026 record
0-2
Record since 1927
10-28
Win rate
.263

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

Professional ratingsFind a player

Rating history — professional

2 gamesHigh 1400Low 1392
7 gamesHigh 1420Low 1385
10 gamesHigh 1420Low 1385
27 gamesHigh 1494Low 1385

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 19, 2026Kumaki TeruyaOza Preliminary B　as Black↓8
January 7, 2026Ota RyoKisei First Tournament Preliminary Round 1　Colors unknown↓11
March 5, 2025Hoshikawa KoyoKisei First Tournament Preliminary Quarterfinal　Colors unknown↓8
February 19, 2025Honda GoroMeijin Preliminary C　as White↑14
February 12, 2025Kim PyonjunKisei First Tournament Preliminary Round 2　Colors unknown↑21
August 7, 2024Sonoda YuichiGosei Preliminary A　as White↓5
January 22, 2024Ogata MasakiKisei First Tournament Preliminary Round 1　Colors unknown↓2
August 30, 2023Sonoda YuichiGosei Preliminary A　as Black↓5
November 30, 2022Kumaki TeruyaKisei First Tournament Preliminary Round 1　Colors unknown↓13
December 22, 2021Nishimura JinKisei First Tournament Preliminary Round 1　Colors unknown↓12
May 12, 2021Watanabe YuJudan Preliminary A　as Black↓10
January 14, 2021Shimojima YoheiKisei First Tournament Preliminary Round 1　Colors unknown↓5
July 1, 2020Morino SetsuoMeijin Preliminary A　as White↑19
December 12, 2019Yamamori TadanaoKisei First Tournament Preliminary Quarterfinal　Colors unknown↓4
November 27, 2019Yata NaokiKisei First Tournament Preliminary Round 2　Colors unknown↑24
November 14, 2018Okawa TakuyaKisei First Tournament Preliminary Round 2　Colors unknown↓12
November 23, 2017Sato YutaKisei First Tournament Preliminary Round 1　Colors unknown↓12
November 1, 2017Ha YoungilKisei First Tournament Round 1　as White↓4
April 5, 2017Morino SetsuoMeijin Preliminary B　as White↓13
December 10, 2016Sasaka ShiroKisei First Tournament Preliminary Round 2　Colors unknown↓11

Head-to-head

Up to 10 opponents, most-played first. Records are from Sakakibara Masateru'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
Shimojima Yohei0-2.0000-00-0
Kumaki Teruya0-2.0000-10-0
Sonoda Yuichi0-2.0000-10-1
Morino Setsuo1-1.5000-01-1
Sato Yuta0-2.0000-00-0
O Meien0-2.0000-10-0
Hoshikawa Koyo0-2.0000-00-0
Sasaka Shiro0-1.0000-00-0
Matsubara Taisei0-1.0000-00-0
Watanabe Yu0-1.0000-10-0

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
20260-2.000
20252-1.667
20240-2.000
20230-1.000
20220-1.000
20210-3.000
20201-01.000
20191-1.500
20180-1.000
20170-3.000
20161-4.200
20150-1.000
20110-1.000
20100-1.000
20054-1.800
20040-2.000
20031-1.500
20010-1.000
19990-1.000
Total10-28.263

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