Go Player Ratings

JAAbout ratings

Matsumoto Nayoko

Matsumoto Nayoko (松本奈代子) has a rating of 908, ranked 451 of 452 in professional play. Their highest rating so far is 1244 (February 9, 2006).

Matsumoto Nayoko2 dan松本奈代子Nihon Ki-in Chubu
Rating908
Rank451
1-year change↑7
Peak rating1244
Last 1012-177
2026 record
0-9
Record since 1927
12-177
Win rate
.064

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 926Low 908
31 gamesHigh 926Low 884
51 gamesHigh 941Low 884
153 gamesHigh 1244Low 884

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 1103Low 1095
14 gamesHigh 1126Low 1091
27 gamesHigh 1137Low 1091
74 gamesHigh 1375Low 1091

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: 1095 (#92)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 17, 2026Mito YukariWomen's Kisei　Colors unknown↓5
May 11, 2026Nishioka MasaoOkan　Colors unknown±0
April 30, 2026Inagaki YoOza　Colors unknown↓7
April 2, 2026Nakahama KonosukeTengen　Colors unknown↓1
March 19, 2026Hotta SeijiHoninbo　Colors unknown↓6
March 2, 2026Kato ChieGosei　Colors unknown±0
February 2, 2026Hiroe HiroyukiJudan　Colors unknown↓2
January 22, 2026Nakane NaoyukiMeijin　Colors unknown±0
January 15, 2026Torii YutaKisei First Tournament Preliminary Round 1　Colors unknown±0
December 15, 2025Asano YasukoMeijin　Colors unknown↑24
November 27, 2025Ono AyakoSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓3
October 9, 2025Yoshida MikaWomen's Honinbo Preliminary Round 1　Colors unknown↓1
August 28, 2025Hane AyakaWomen's Kisei　Colors unknown↓2
July 14, 2025Hotta SeijiRyusei　Colors unknown↓5
June 12, 2025Aoba KaoriOkan　Colors unknown↓3
June 9, 2025Kitazawa MasaakiTengen　Colors unknown↓2
June 5, 2025Shiga TsukasaOza　Colors unknown↓1
May 29, 2025Ono AyakoWomen's Meijin　Colors unknown↓4
April 21, 2025Shigeno YukiTengen　Colors unknown↑22
March 27, 2025Sakuramoto AyakoHoninbo　Colors unknown↓3

Head-to-head

Up to 10 opponents, most-played first. Records are from Matsumoto Nayoko'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
Kim Hyunjong1-12.0770-00-0
Asano Yasuko2-8.2000-00-0
Hotta Seiji0-8.0000-00-0
Inagaki Yo0-8.0000-00-0
Kamiji Hiroki0-8.0000-00-0
Shigeno Yuki2-6.2500-10-0
Kawada Kohei0-8.0000-00-0
Tanaka Chieko3-4.4290-00-2
Kumamoto Shusei0-6.0000-00-0
Hane Ayaka0-5.0000-00-0
Tsukuda Akiko0-5.0000-00-0
Kikuchi Masatoshi0-5.0000-00-0
Shinoda Mitsuaki0-5.0000-00-0
Hiroe Hiroyuki0-5.0000-00-0
Takamure Tetsuro3-2.6000-00-0

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
20260-9.000
20252-13.133
20242-15.118
20232-16.111
20220-15.000
20210-16.000
20200-9.000
20190-16.000
20181-18.053
20172-20.091
20160-14.000
20150-15.000
20140-5.000
20130-6.000
20122-10.167
20112-7.222
20100-1.000
20090-2.000
20062-5.286
20055-12.294
20041-9.100
20031-9.100
20022-8.200
20010-1.000
19980-1.000
19970-1.000
19940-1.000
19920-2.000
19912-1.667
19900-1.000
19890-3.000
19881-4.200
19871-01.000
19861-01.000
19850-2.000
19840-1.000
19830-2.000
19823-2.600
19770-1.000
Total12-177.064

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