Go Player Ratings

JAAbout ratings

Mannami Kana

Mannami Kana (万波佳奈) has a rating of 1428, ranked 324 of 452 in professional play. Their highest rating so far is 1587 (January 15, 2009).

Mannami Kana4 dan万波佳奈Nihon Ki-in Tokyo
Rating1428
Rank324
1-year change↑47
Peak rating1587
Last 1086-118
2026 record
6-8
Record since 1927
86-118
Win rate
.422

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

Professional ratingsFind a player

Rating history — professional

16 gamesHigh 1455Low 1388
44 gamesHigh 1573Low 1381
76 gamesHigh 1573Low 1381
132 gamesHigh 1587Low 1381

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 1644Low 1612
28 gamesHigh 1650Low 1522
41 gamesHigh 1650Low 1510
102 gamesHigh 1784Low 1510

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: 1612 (#32)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 10, 2026Okuda AyaWomen's Kisei Preliminary A　as White↓9
August 3, 2026Ko IunSGW Cup Chuyo Preliminary Round 1　Colors unknown↓15
June 29, 2026Mochizuki KenichiHoninbo　Colors unknown↓4
June 18, 2026Uchida ShuheiOza　Colors unknown↓3
May 21, 2026Yokotsuka RikiJudan　Colors unknown↓1
April 20, 2026Mizuma ToshifumiJudan　Colors unknown↑19
April 9, 2026O YuininTengen　Colors unknown↓22
March 23, 2026Nishimura KeijiHoninbo　Colors unknown↑19
March 16, 2026Terayama ReiKisei First Tournament Round 3　as White↓2
March 9, 2026Ryu ShikunJudan Preliminary C　as Black↑30
March 2, 2026Antti TörmänenGosei　Colors unknown↓17
February 19, 2026Kojima TakahoKisei First Tournament Preliminary Round 2　Colors unknown↑10
February 9, 2026Kaneko MakiJudan　Colors unknown↑11
February 2, 2026Kato YukiKisei First Tournament Preliminary Round 1　Colors unknown↑17
November 27, 2025Kono MitsukiMeijin　Colors unknown↓4
November 20, 2025Yokota HinanoSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓16
October 9, 2025Suzuki AyumiWomen's Honinbo Preliminary　as Black↓8
September 29, 2025Xie YiminWomen's Kisei Round 1　as White↓6
September 22, 2025Tsuneishi TakashiSGW Cup Chuyo Preliminary Round 2　as White↓4
September 22, 2025Cho ChienSGW Cup Chuyo Preliminary Round 1　as White↑14

Head-to-head

Up to 10 opponents, most-played first. Records are from Mannami Kana'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
Chinen Kaori7-7.5001-44-2
Kobayashi Izumi6-6.5001-12-2
Xie Yimin2-6.2501-30-2
Suzuki Ayumi1-6.1430-30-1
Umezawa Yukari3-3.5001-21-0
Kuwabara Yoko4-2.6670-11-0
Sugiuchi Kazuko5-01.0001-00-0
Aoki Kikuyo2-3.4001-10-2
Osawa Narumi3-2.6001-00-0
Yoshida Mika2-3.4000-11-1
Shinkai Hiroko4-1.8001-11-0
Okuda Aya2-3.4002-10-2
Yashiro Kumiko4-1.8002-01-0

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
20266-8.429
20259-16.360
202412-16.429
202314-11.560
20223-14.176
20214-9.308
20150-1.000
20141-1.500
20131-2.333
20126-10.375
20118-9.471
20108-8.500
20093-5.375
20082-4.333
20076-9.400
200616-13.552
200517-14.548
200418-14.563
200316-13.552
200212-10.545
20010-1.000
Total86-118.422

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