Go Player Ratings

JAAbout ratings

Deguchi Mariko

Deguchi Mariko (出口万里子) has a rating of 1369, ranked 368 of 452 in professional play. Their highest rating so far is 1497 (September 21, 2016).

Deguchi Mariko2 dan出口万里子Kansai Ki-in
Rating1369
Rank368
1-year change↓1
Peak rating1497
Last 105-20
2026 record
2-4
Record since 1927
5-20
Win rate
.200

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

Professional ratingsFind a player

Rating history — professional

4 gamesHigh 1389Low 1369
8 gamesHigh 1389Low 1369
11 gamesHigh 1389Low 1353
25 gamesHigh 1497Low 1353

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)

4 gamesHigh 1506Low 1463
17 gamesHigh 1546Low 1463
36 gamesHigh 1555Low 1463
83 gamesHigh 1567Low 1457

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: 1493 (#53)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 26, 2026Ando HinataOza Preliminary B　as White↓7
August 19, 2026Fujita ReoTengen Preliminary B　as Black↓10
April 13, 2026Mimura KaoriWomen's Honinbo Round 1　as Black↓13
February 18, 2026Yoshida MikaWomen's Honinbo Preliminary Final　as Black↑22
February 12, 2026Yamada KimioKisei First Tournament Preliminary Round 2　Colors unknown↓3
January 15, 2026Sakamoto YasuoKisei First Tournament Preliminary Round 1　Colors unknown↑18
December 10, 2025Konishi KazukoWomen's Honinbo Preliminary Round 1　Colors unknown↑21
November 27, 2025Kin EnSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓19
August 7, 2025Yokota ShigeakiTengen Preliminary B　as Black↓6
June 19, 2025Konishi KazukoWomen's Meijin　Colors unknown↓13
February 5, 2025Yoshida MikaWomen's Honinbo Preliminary　as Black↓9
January 15, 2025Furuya YutakaKisei First Tournament Preliminary Round 1　Colors unknown↓4
December 13, 2024Iwata SaekaWomen's Honinbo Preliminary　Colors unknown↓11
December 12, 2024Asano YasukoSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓24
November 29, 2024Sakakibara FumikoWomen's Honinbo Preliminary Round 1　Colors unknown↑12
November 21, 2024Sakuramoto AyakoWomen's Honinbo Preliminary Round 1　Colors unknown↑15
November 6, 2024Takayamabe FumiWomen's Tachiaoi Cup Preliminary　Colors unknown↓19
June 19, 2024Nishiyama ShizukaWomen's Meijin　Colors unknown↓16
June 19, 2024Tatsumi AkaneWomen's Meijin　Colors unknown↑20
March 21, 2024Kato ChieSenko Cup Women's Strongest Player Preliminary Semifinal　Colors unknown↓6

Head-to-head

Up to 10 opponents, most-played first. Records are from Deguchi Mariko'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
Tanemura Sayuri5-2.7140-10-0
Konishi Kazuko4-2.6671-01-0
Yoshida Mika1-4.2001-20-0
Muraoka Mika4-01.0000-00-0
Nishiyama Shizuka1-3.2500-00-0
Sakakibara Fumiko2-2.5000-10-0
Asano Yasuko1-2.3330-00-0
O Keii1-2.3330-00-0
Mishima Hibiki0-3.0000-00-1
Nyu Eiko0-3.0000-10-1

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
20262-4.333
20251-5.167
20245-6.455
20232-4.333
20226-5.545
20216-8.429
20206-3.667
20193-4.429
20184-6.400
20174-8.333
20163-9.250
20130-1.000
20121-1.500
20111-01.000
Total5-20.200

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