Ishii Akane
Ishii Akane (石井茜) has a rating of 1436. Their highest rating so far is 1509 (November 27, 2008).
- 2024 record
- 1-1
- Record since 1927
- 6-15
- Win rate
- .286
Not listed in the rating list: we have not confirmed whether this player is active
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Professional ratingsFind a player
Rating history — professional
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)
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: 1609 Not listed in the rating list: we have not confirmed whether this player is active
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 9, 2024 | Kiyonari TetsuyaKansai Ki-in First Place Tournament Preliminary as White | Loss | ↓4 |
| August 19, 2024 | 江尻敏彰Kansai Ki-in First Place Tournament Preliminary as Black | Win | ↑16 |
| March 13, 2023 | Kim HyunjongWomen's Honinbo Preliminary Final as Black | Loss | ↓24 |
| April 11, 2019 | Suzuki AyumiWomen's Honinbo Main Tournament Round 1 Colors unknown | Loss | ↓10 |
| January 24, 2019 | Tsukuda AkikoWomen's Honinbo Preliminary Final Colors unknown | Win | ↑16 |
| January 17, 2019 | O KeiiSenko Cup Women's Strongest Player Preliminary Semifinal Colors unknown | Loss | ↓14 |
| December 13, 2018 | Kim HyunjongWomen's Honinbo Preliminary as Black | Win | ↑7 |
| November 29, 2018 | Ohashi NaruyaKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓5 |
| October 31, 2018 | Kurahashi ShozoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑17 |
| October 24, 2018 | Tamura ChiakiSenko Cup Women's Strongest Player Preliminary Round 1 Colors unknown | Win | ↑15 |
| October 8, 2018 | Kobayashi IzumiWomen's Kisei Round 1 as White | Loss | ↓14 |
| September 27, 2018 | Iwata SaekaWomen's Tachiaoi Cup Preliminary Round 1 Colors unknown | Loss | ↓22 |
| September 19, 2018 | Sonoda YuichiTengen Preliminary A as Black | Loss | ↓5 |
| August 8, 2018 | Arai MiyuOza Preliminary B as Black | Win | ↑18 |
| July 2, 2018 | Aoki KikuyoWomen's Honinbo Round 3 as Black | Loss | ↓10 |
| June 22, 2018 | Tobita SakiWomen's Meijin Preliminary Final Colors unknown | Win | ↑11 |
| May 23, 2018 | Inaba KarinWomen's Honinbo Round 2 as Black | Win | ↑12 |
| May 14, 2018 | Mannami NaoSenko Cup Women's Strongest Player Round 1 as Black | Loss | ↓16 |
| May 2, 2018 | Sakakibara FumikoWomen's Meijin Preliminary Semifinal Colors unknown | Loss | ↓24 |
| April 18, 2018 | Yokota ShigeakiKansai Ki-in First Place Tournament Round 2 as White | Loss | ↓7 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Mukai Chiaki | 4-4.500 | 2-1 | 1-3 |
| Kato Keiko | 3-4.429 | 2-2 | 1-2 |
| Okuda Aya | 2-5.286 | 1-2 | 1-2 |
| Aoki Kikuyo | 1-5.167 | 1-4 | 0-1 |
| Suzuki Ayumi | 0-6.000 | 0-5 | 0-0 |
| Mannami Nao | 1-3.250 | 0-2 | 1-1 |
| Chinen Kaori | 2-2.500 | 2-0 | 0-2 |
| Yoshida Mika | 1-3.250 | 0-0 | 1-3 |
| Xie Yimin | 0-4.000 | 0-3 | 0-1 |
| O Keii | 1-2.333 | 1-0 | 0-1 |
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.
| Year | Record | Win rate |
|---|---|---|
| 2024 | 1-1 | .500 |
| 2023 | 0-1 | .000 |
| 2019 | 1-2 | .333 |
| 2018 | 9-9 | .500 |
| 2017 | 7-5 | .583 |
| 2016 | 5-10 | .333 |
| 2015 | 4-5 | .444 |
| 2014 | 4-9 | .308 |
| 2013 | 6-8 | .429 |
| 2012 | 4-8 | .333 |
| 2011 | 3-2 | .600 |
| 2010 | 3-2 | .600 |
| 2009 | 4-2 | .667 |
| 2008 | 3-2 | .600 |
| Total | 6-15 | .286 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).