Go Player Ratings

JAAbout ratings

Nagashima Kozue

Nagashima Kozue (長島梢恵) has a rating of 1331, ranked 385 of 452 in professional play. Their highest rating so far is 1488 (October 15, 2009).

Nagashima Kozue3 dan長島梢恵Nihon Ki-in Tokyo
Rating1331
Rank385
1-year change↓21
Peak rating1488
Last 1070-142
2026 record
2-8
Record since 1927
70-142
Win rate
.330

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

Professional ratingsFind a player

Rating history — professional

10 gamesHigh 1345Low 1308
41 gamesHigh 1406Low 1282
70 gamesHigh 1406Low 1256
212 gamesHigh 1488Low 1256

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)

3 gamesHigh 1538Low 1516
24 gamesHigh 1575Low 1516
44 gamesHigh 1575Low 1498
124 gamesHigh 1575Low 1453

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: 1516 (#48)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 27, 2026Kohara NonoWomen's Kisei　Colors unknown↓18
August 17, 2026Kawada KoheiSGW Cup Chuyo Preliminary Round 1　Colors unknown↓11
August 6, 2026Obuchi KotaroOza　Colors unknown↓3
June 18, 2026Kuwabara YokoOza　Colors unknown↑19
May 11, 2026Onda YasuhikoOza　Colors unknown↑18
April 23, 2026Sotoyanagi SebunHoninbo　Colors unknown↓2
March 30, 2026Seki RyosukeJudan　Colors unknown↓4
March 16, 2026Saga ShuntaroGosei　Colors unknown↓8
March 9, 2026Koyama RyugoTengen　Colors unknown↓16
January 15, 2026Kurotaki MasanoriKisei First Tournament Preliminary Round 1　Colors unknown↓6
November 27, 2025Suzuki AyumiSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓4
November 10, 2025Nishimura KeijiMeijin　Colors unknown↓9
September 25, 2025Yashiro KumikoWomen's Honinbo Preliminary Round 1　Colors unknown↓11
August 25, 2025Osawa NarumiWomen's Kisei　Colors unknown↓13
August 21, 2025Ogaki YusakuSGW Cup Chuyo Preliminary Round 1　as White↓2
July 28, 2025Hoshiai ShihoRyusei　Colors unknown↓5
July 24, 2025Koyama RyugoOza　Colors unknown↓18
July 10, 2025Kobayashi IzumiWomen's Meijin　Colors unknown↑24
July 10, 2025Mannami NaoWomen's Meijin　Colors unknown↓14
June 9, 2025Goto ManaWomen's Meijin　Colors unknown↑13

Head-to-head

Up to 10 opponents, most-played first. Records are from Nagashima Kozue'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
Kobayashi Izumi2-7.2220-10-1
Suzuki Ayumi0-7.0000-10-0
Osawa Narumi2-4.3330-00-0
Sugiuchi Kazuko3-2.6000-01-1
Mannami Nao1-4.2001-00-0
Hoshiai Shiho0-5.0000-10-0
Kato Tomoko2-3.4001-00-0
Cho Chien1-3.2500-00-0
Nakayama Kaoru4-01.0000-00-0
Okada Yumiko2-2.5000-00-0

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
20262-8.200
20259-17.346
20248-15.348
202312-15.444
20227-13.350
202111-16.407
20205-12.294
201910-14.417
20188-18.308
201714-18.438
20169-18.333
201510-10.500
20142-6.250
20135-9.357
20128-11.421
20116-8.429
20090-2.000
Total70-142.330

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