Go Player Ratings

JAAbout ratings

Osawa Narumi

Osawa Narumi (大澤奈留美) has a rating of 1444, ranked 311 of 452 in professional play. Their highest rating so far is 1556 (February 10, 2012).

Osawa Narumi5 dan大澤奈留美Nihon Ki-in Tokyo
Rating1444
Rank311
1-year change↓26
Peak rating1556
Last 10134-185
2026 record
4-8
Record since 1927
134-185
Win rate
.420

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

Professional ratingsFind a player

Rating history — professional

9 gamesHigh 1469Low 1444
45 gamesHigh 1491Low 1382
72 gamesHigh 1491Low 1382
245 gamesHigh 1556Low 1382

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)

7 gamesHigh 1670Low 1640
34 gamesHigh 1670Low 1575
58 gamesHigh 1670Low 1575
191 gamesHigh 1727Low 1523

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: 1641 (#25)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 3, 2026Kato TomokoWomen's Kisei　Colors unknown↓18
August 6, 2026Kobayashi ChizuWomen's Kisei　Colors unknown↑4
July 9, 2026Tsurumaru KeiichiOza　Colors unknown↓23
June 22, 2026Takao ShinjiTengen　Colors unknown↓1
May 25, 2026Adachi ToshimasaHoninbo　Colors unknown↓1
May 11, 2026Omori YasushiOza　Colors unknown↑20
April 16, 2026Sakai MakiGosei　Colors unknown↓13
April 6, 2026Okuda AyaWomen's Honinbo Round 1　as Black↓10
March 19, 2026Mimura KaoriGosei　Colors unknown↑12
March 5, 2026Yokota HinanoJudan　Colors unknown↓11
February 12, 2026Xie YiminWomen's Honinbo Preliminary Final　as White↑26
January 15, 2026Sotoyanagi SebunKisei First Tournament Preliminary Round 1　Colors unknown↓5
November 27, 2025Yanagihara SakiSenko Cup Women's Strongest Player Preliminary　as Black↓12
November 20, 2025Tsukuda AkikoTeikei Cup Women's Legend Round 1　as White↓18
November 10, 2025Oomote TakutoMeijin Preliminary C　as Black↓5
October 9, 2025Cho KosumiWomen's Honinbo Preliminary Round 1　Colors unknown↑8
September 8, 2025Tsuruyama AtsushiTengen　Colors unknown↓3
September 4, 2025Shimosaka MioriWomen's Kisei　Colors unknown↑12
September 4, 2025Tsuji HanaWomen's Kisei　Colors unknown↓16
August 25, 2025Kobayashi IzumiWomen's Kisei　Colors unknown↑19

Head-to-head

Up to 10 opponents, most-played first. Records are from Osawa Narumi'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
Kato Keiko6-9.4002-40-2
Aoki Kikuyo6-8.4292-33-4
Kobayashi Izumi8-6.5711-12-1
Yashiro Kumiko5-8.3851-11-2
Chinen Kaori3-8.2732-21-4
Koyama Terumi3-7.3001-31-2
Yoshihara Yukari4-4.5000-02-1
Izawa Akino6-1.8572-02-0
Xie Yimin2-5.2860-11-3
Kato Tomoko4-3.5711-10-1
Okuda Aya2-5.2862-20-1
Makihata Taeko4-2.6670-00-1
Oomote Takuto1-5.1670-10-0
Nagashima Kozue4-2.6670-00-0
Kuwabara Yoko2-4.3331-00-0
Kudo Norio3-2.6001-10-0
Mimura Kaori4-1.8000-01-0
Sugiuchi Kazuko4-1.8001-00-1
Mannami Kana2-3.4000-00-1
Umezawa Yukari2-3.4002-00-1
Konishi Kazuko1-4.2001-20-2
Mori Chisaki1-4.2000-00-0
Nishimura Keiji2-3.4000-00-0

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
20264-8.333
202516-18.471
202412-14.462
202310-17.370
202212-13.480
20218-17.320
202010-13.435
201917-15.531
201814-16.467
201715-19.441
201619-15.559
201514-13.518
20144-4.500
20133-5.375
201211-17.393
201110-7.588
20103-2.600
20093-5.375
20083-3.500
20075-5.500
20068-9.471
200511-13.458
20045-16.238
200317-15.531
200212-9.571
20002-7.222
19991-01.000
19980-2.000
Total134-185.420

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