Go Player Ratings

JAAbout ratings

Mannami Nao

Mannami Nao (万波奈穂) has a rating of 1468, ranked 292 of 452 in professional play. Their highest rating so far is 1678 (December 12, 2019).

Mannami Nao4 dan万波奈穂Nihon Ki-in Tokyo
Rating1468
Rank292
1-year change↓7
Peak rating1678
Last 10108-139
2026 record
0-1
Record since 1927
108-139
Win rate
.437

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

Professional ratingsFind a player

Rating history — professional

30 gamesHigh 1529Low 1445
47 gamesHigh 1584Low 1445
246 gamesHigh 1678Low 1372

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)

5 gamesHigh 1606Low 1550
25 gamesHigh 1678Low 1550
28 gamesHigh 1685Low 1550
155 gamesHigh 1747Low 1507

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: 1550 (#39)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 27, 2026Cho KoharuWomen's Kisei　Colors unknown↓21
December 8, 2025Hoshiai ShihoMeijin　Colors unknown↓7
November 24, 2025Kobayashi IzumiSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↓10
November 6, 2025Kaneko MakiWomen's Honinbo Preliminary Round 1　Colors unknown↓22
October 9, 2025Nyu EikoWomen's Meijin　Colors unknown↓4
October 6, 2025Nyu EikoWomen's Meijin Preliminary A　as Black↓4
September 8, 2025Ito MasashiSGW Cup Chuyo Preliminary Round 1　as White↓4
August 14, 2025Koyama TerumiWomen's Kisei　Colors unknown↓16
August 11, 2025Izawa AkinoWomen's Kisei　Colors unknown↑14
July 14, 2025Cho URyusei　Colors unknown↓1
July 14, 2025Suzuki AyumiRyusei　Colors unknown↑26
July 10, 2025Koda AkikoWomen's Meijin　Colors unknown↑6
July 10, 2025Nagashima KozueWomen's Meijin　Colors unknown↑14
July 3, 2025Hirata TomoyaTengen　Colors unknown↓1
June 19, 2025Osuka SeiraWomen's Meijin　Colors unknown↑15
June 19, 2025Mimura KaoriWomen's Meijin　Colors unknown↑18
June 12, 2025Yoda NorimotoGosei Preliminary B　as Black↓2
May 29, 2025Oki KeijiOza　Colors unknown↓19
May 19, 2025Takei TaishinHoninbo　Colors unknown↓7
May 12, 2025Ko IunGosei　Colors unknown↑19

Head-to-head

Up to 10 opponents, most-played first. Records are from Mannami Nao'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
Suzuki Ayumi4-7.3641-20-4
Aoki Kikuyo1-7.1251-20-1
Chinen Kaori3-5.3751-21-1
Koyama Terumi5-2.7142-00-0
Mukai Chiaki3-4.4293-10-3
Okuda Aya2-5.2861-30-1
Fujisawa Rina2-5.2861-30-0
Yashiro Kumiko4-3.5711-02-0
Kato Tomoko2-4.3330-10-2
Nakayama Kaoru4-1.8000-00-0
Nagashima Kozue4-1.8000-00-1
Nyu Eiko1-4.2000-11-1
Yoshida Mika2-3.4000-22-1
Endo Yoshifumi4-1.8000-00-0
Xie Yimin1-4.2000-10-1
Hoshiai Shiho2-3.4000-00-1
Ogawa Tomoko5-01.0001-02-0
Moro Arisa3-2.6000-00-1

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
20260-1.000
202511-16.407
20244-16.200
202312-14.462
20220-1.000
20209-12.429
201912-19.387
201827-16.628
201719-15.559
201616-16.500
201511-16.407
201416-11.593
20139-8.529
20129-15.375
201110-12.455
20108-8.500
20094-7.364
20084-5.444
20075-5.500
20064-1.800
20050-1.000
Total108-139.437

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