Go Player Ratings

JAAbout ratings

Kibe Natsuki

Kibe Natsuki (木部夏生) has a rating of 1543, ranked 237 of 452 in professional play. Their highest rating so far is 1660 (September 11, 2025).

Kibe Natsuki3 dan木部夏生Nihon Ki-in Tokyo
Rating1543
Rank237
1-year change↓115
Peak rating1660
Last 10104-148
2026 record
4-11
Record since 1927
104-148
Win rate
.413

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 1637Low 1535
52 gamesHigh 1660Low 1498
92 gamesHigh 1660Low 1465
249 gamesHigh 1660Low 1400

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)

13 gamesHigh 1664Low 1616
36 gamesHigh 1701Low 1598
64 gamesHigh 1775Low 1598
154 gamesHigh 1775Low 1516

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: 1625 (#29)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 10, 2026Mori ChisakiWomen's Kisei Preliminary B　as White↓11
September 3, 2026Obata MinoriHiroshima Aluminum Cup Wakagoi Preliminary Round 1　Colors unknown↓22
August 6, 2026Kato YukiWomen's Kisei　Colors unknown↑10
August 6, 2026Obata MinoriWomen's Kisei　Colors unknown↑11
July 13, 2026Takao ShinjiTengen　Colors unknown↑30
May 18, 2026Shimosaka MioriOza　Colors unknown↓19
April 29, 2026Ueno RisaFumakilla Women's Go Brains Match Round 1　as White↓4
April 2, 2026Shimosaka MioriHoninbo　Colors unknown↓21
March 12, 2026Inaba TakahiroJudan　Colors unknown↓14
February 19, 2026Ueno RisaWomen's Meijin League　as Black↓4
February 12, 2026Kasai KojiJudan　Colors unknown↑3
February 5, 2026Xie YiminSenko Cup Women's Strongest Player Preliminary　as Black↓6
January 29, 2026Fujisawa RinaWomen's Meijin League　as White↓2
January 22, 2026Kato ChieWomen's Meijin League　as Black↓7
January 15, 2026Yashiro KumikoKisei First Tournament Round 1　as White↓22
December 22, 2025Iwata SaekaWomen's Meijin League　as White↓12
December 8, 2025Yanagihara SakiWomen's Meijin League　as Black↓13
December 1, 2025Kato YukiSenko Cup Women's Strongest Player Preliminary Round 1　Colors unknown↑9
November 20, 2025Miyazawa GoroMeijin　Colors unknown↓18
November 13, 2025Xie YiminWomen's Meijin League　as White↓6

Head-to-head

Up to 10 opponents, most-played first. Records are from Kibe Natsuki'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
Fujisawa Rina1-10.0910-01-1
Xie Yimin2-8.2000-10-4
Nakayama Kaoru7-01.0000-00-0
Mori Chisaki3-4.4290-10-2
Shimosaka Miori4-3.5710-00-0
Aoki Kikuyo2-4.3331-00-0
Koyama Terumi2-4.3330-00-1
Hoshiai Shiho3-3.5000-00-0
Mukai Chiaki2-4.3330-00-0
Kato Yuki5-1.8330-01-0
Okuda Aya1-5.1670-10-0
Tanimiya Ayako6-01.0000-00-0
Nakazawa Ayako2-3.4000-00-0
Yoshihara Yukari2-3.4000-01-0
Chinen Kaori1-4.2000-00-1
Kaneko Maki3-2.6000-00-0
Komatsu Hideko4-1.8000-00-0
Kuwabara Yoko4-1.8000-00-0

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
20264-11.267
202520-19.513
202413-13.500
202315-17.469
202218-15.545
202116-17.485
202010-15.400
201911-15.423
201815-21.417
201720-21.488
201617-18.486
201517-18.486
20142-6.250
20137-6.538
20125-4.556
Total104-148.413

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