Go Player Ratings

JAAbout ratings

Tamura Chiaki

Tamura Chiaki (田村千明) has a rating of 1366, ranked 369 of 452 in professional play. Their highest rating so far is 1479 (December 1, 2016).

Tamura Chiaki3 dan田村千明Kansai Ki-in
Rating1366
Rank369
1-year change↓14
Peak rating1479
Last 107-19
2026 record
1-4
Record since 1927
7-19
Win rate
.269

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 1372Low 1366
5 gamesHigh 1408Low 1366
9 gamesHigh 1427Low 1366
21 gamesHigh 1479Low 1366

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Rating history in the women's tournaments pool (for reference)

5 gamesHigh 1520Low 1490
21 gamesHigh 1549Low 1490
38 gamesHigh 1564Low 1490
105 gamesHigh 1631Low 1490

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Ratings in other pools

Ratings for general play and for women's tournaments are calculated independently and do not affect each other.

  • Women's tournaments: 1502 (#50)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 3, 2026Taguchi MiseiWomen's Kisei Preliminary B　as White↓14
September 2, 2026Sonoda YuichiTengen Preliminary A　as White↓5
March 26, 2026Kato ChieSenko Cup Women's Strongest Player Preliminary Final　Colors unknown↓3
February 5, 2026Tsukada ChiharuSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↑16
January 19, 2026Sakai TakashiKisei First Tournament Preliminary Round 1　Colors unknown↓8
December 4, 2025Sakuramoto AyakoSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↑14
October 22, 2025Konishi KazukoWomen's Honinbo Preliminary　Colors unknown↓13
July 3, 2025Omori RanWomen's Meijin　Colors unknown↓10
March 27, 2025Tatsumi AkaneWomen's Honinbo Preliminary　as Black↓12
March 6, 2025Omori RanWomen's Tachiaoi Cup Preliminary Semifinal　Colors unknown↓13
February 13, 2025Sakuramoto AyakoWomen's Tachiaoi Cup Preliminary　as Black↑14
February 1, 2025Mito YukariWomen's Honinbo Preliminary　Colors unknown↓23
January 30, 2025Hane ShigekoWomen's Honinbo Preliminary　Colors unknown↑9
January 29, 2025Yoshida MikaSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↓11
January 16, 2025Hotta SeijiKisei First Tournament Preliminary Round 1　Colors unknown↓25
November 21, 2024Honda MarikoWomen's Honinbo Preliminary Round 1　Colors unknown↑16
November 16, 2024Matsumoto NayokoWomen's Honinbo Preliminary Round 1　Colors unknown↑3
October 16, 2024Ono AyakoWomen's Tachiaoi Cup Preliminary　Colors unknown↑12
August 29, 2024Aoki KikuyoWomen's Meijin　Colors unknown↓7
August 1, 2024Imabun TaroGosei Preliminary A　as Black↓3

Head-to-head

Up to 10 opponents, most-played first. Records are from Tamura Chiaki'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
Konishi Kazuko1-7.1250-00-1
Tsukuda Akiko1-4.2000-10-1
Yoshida Mika0-5.0000-10-1
Omori Ran1-4.2000-00-0
Tanemura Sayuri4-1.8001-01-0
Arai Miyu3-1.7500-00-1
Mito Yukari2-2.5000-00-1
Matsumoto Nayoko4-01.0000-00-0
Asano Yasuko3-01.0000-00-0
O Keii2-1.6670-01-0

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
20261-4.200
20253-7.300
20245-5.500
20232-6.250
20225-5.500
20213-6.333
20203-1.750
20193-4.429
20187-8.467
20174-4.500
20165-7.417
20152-2.500
20141-2.333
20132-2.500
20124-1.800
20112-1.667
20081-1.500
20071-1.500
20062-5.286
20057-7.500
20048-4.667
20031-1.500
Total7-19.269

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