Go Player Ratings

JAAbout ratings

Sasaka Shiro

Sasaka Shiro (佐坂志朗) has a rating of 1425, ranked 327 of 452 in professional play. Their highest rating so far is 1648 (March 1, 2012).

Sasaka Shiro8 dan佐坂志朗Nihon Ki-in Kansai HQ
Rating1425
Rank327
1-year change↓49
Peak rating1648
Last 10161-184
2026 record
4-6
Record since 1927
161-184
Win rate
.467

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

Professional ratingsFind a player

Rating history — professional

11 gamesHigh 1503Low 1425
42 gamesHigh 1522Low 1425
81 gamesHigh 1542Low 1412
259 gamesHigh 1648Low 1392

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
June 15, 2026Kasahara YukiHoninbo　Colors unknown↓10
May 25, 2026Sakai TakashiOza　Colors unknown↓10
April 30, 2026Yamada ShihoTengen　Colors unknown↓22
April 20, 2026Asahi YujunJudan　Colors unknown↓11
April 9, 2026Minematsu MasakiHoninbo　Colors unknown↑5
March 16, 2026Kitano RyoGosei　Colors unknown↓10
March 5, 2026Kirimoto KazuoJudan　Colors unknown↑3
February 19, 2026Sumi ShinsukeKisei First Tournament Preliminary Round 2　Colors unknown↓23
February 9, 2026Sakai TakashiJudan　Colors unknown↑19
January 19, 2026Sato YoheiKisei First Tournament Preliminary Round 1　Colors unknown↑18
November 27, 2025Ishida AtsushiMeijin　Colors unknown↓8
August 18, 2025Yamamoto KentaroRyusei　Colors unknown↑13
August 18, 2025Kasahara YukiRyusei　Colors unknown↓14
July 3, 2025Otani NaokiMeijin　Colors unknown↓5
June 26, 2025Sakamoto YasuoTengen　Colors unknown↓20
June 19, 2025Imamura YoshiakiGosei　Colors unknown↓10
June 16, 2025Komatsu DaikiOza　Colors unknown↓12
June 12, 2025Goto HajimuMeijin　Colors unknown↑23
May 15, 2025Torii YutaMeijin　Colors unknown↑20
April 24, 2025Oda TeppeiHoninbo　Colors unknown↓26

Head-to-head

Up to 10 opponents, most-played first. Records are from Sasaka Shiro'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
Iwamaru Taira2-7.2220-00-0
Sano Takatsugu3-5.3750-00-1
Enda Hideki2-5.2860-00-0
Otani Naoki1-6.1430-00-0
Yanagawa Hiromasa5-2.7140-00-0
Sasaki Tsuyoshi5-2.7140-00-0
Goto Shungo0-7.0000-00-0
Kitano Ryo0-7.0000-00-0
Utani Shunta1-6.1430-00-0
Sakaguchi Ryuzo3-4.4290-00-0
Takei Takashi2-4.3330-00-0
Tajima Shingo1-5.1670-00-0
Ishida Atsushi2-4.3330-01-0
Araki Issei3-3.5000-00-0
Minematsu Masaki6-01.0001-00-0
Furuya Masao3-3.5000-00-0
Komatsu Daiki2-4.3330-00-0
Yamamoto Kentaro6-01.0000-00-0
Ohashi Naruya2-3.4000-00-0
Omori Ran4-1.8000-00-0
Tanaka Chieko5-01.0000-00-0
Hikosaka Naoto2-3.4000-01-0

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
20264-6.400
20257-8.467
20247-8.467
20236-10.375
202214-9.609
20215-8.385
20206-7.462
20194-9.308
201810-10.500
201713-12.520
201611-12.478
20157-9.438
20143-4.429
20135-5.500
20125-9.357
20115-4.556
20102-1.667
20090-1.000
20066-7.462
200513-8.619
20049-10.474
20033-11.214
200212-5.706
20010-1.000
19991-3.250
19981-01.000
19950-1.000
19930-1.000
19921-01.000
19900-3.000
19891-2.333
Total161-184.467

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