Miyamoto Chiharu
Miyamoto Chiharu (宮本千春) has a rating of 1027, ranked 445 of 452 in professional play. Their highest rating so far is 1483 (November 10, 2011).
- 2026 record
- 0-7
- Record since 1927
- 19-142
- Win rate
- .118
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: 1290 (#81)
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| August 24, 2026 | Kobayashi IzumiWomen's Kisei Colors unknown | Loss | ↓3 |
| May 18, 2026 | Fujisawa KazunariOza Colors unknown | Loss | ↓1 |
| April 16, 2026 | Hamakado HibikiHoninbo Colors unknown | Loss | ↓1 |
| March 23, 2026 | Kanno MasashiGosei Colors unknown | Loss | ↓5 |
| March 2, 2026 | Kono YukioTengen Colors unknown | Loss | ↓17 |
| February 19, 2026 | Cho KoharuJudan Colors unknown | Loss | ↓6 |
| January 19, 2026 | Yokota HinanoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓2 |
| November 24, 2025 | Cho KosumiSenko Cup Women's Strongest Player Preliminary Round 1 Colors unknown | Loss | ↓9 |
| November 10, 2025 | Morita MichihiroMeijin Colors unknown | Loss | ↓1 |
| October 9, 2025 | Mimura KaoriWomen's Honinbo Preliminary Round 1 Colors unknown | Loss | ↓6 |
| October 2, 2025 | Nyu EikoHiroshima Aluminum Cup Wakagoi Preliminary Round 1 Colors unknown | Loss | ↓1 |
| August 11, 2025 | Okada YumikoWomen's Kisei Colors unknown | Loss | ↓11 |
| July 21, 2025 | Yoda OzoraRyusei Colors unknown | Loss | ↓2 |
| July 17, 2025 | Kato KeikoWomen's Meijin Colors unknown | Loss | ↓7 |
| June 5, 2025 | Sun ZheOza Colors unknown | Loss | ±0 |
| May 29, 2025 | Obata MinoriWomen's Meijin Preliminary B Round 2 as Black | Win | ↑24 |
| May 12, 2025 | Hirano NorikazuTengen Colors unknown | Loss | ↓13 |
| March 20, 2025 | Adachi ToshimasaMeijin Colors unknown | Loss | ±0 |
| March 17, 2025 | Cho RiyuHoninbo Colors unknown | Loss | ±0 |
| March 6, 2025 | Shimoji GenshoJudan Colors unknown | Loss | ↓6 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Tsukuda Akiko | 0-7.000 | 0-0 | 0-0 |
| Mito Yukari | 3-4.429 | 0-0 | 0-0 |
| Tanaka Chieko | 4-2.667 | 0-0 | 0-0 |
| O Keii | 1-4.200 | 0-0 | 0-0 |
| Sakamoto Yasuo | 0-5.000 | 0-0 | 0-0 |
| Tanemura Sayuri | 1-4.200 | 0-0 | 0-0 |
| Yamamoto Kentaro | 1-4.200 | 0-0 | 0-0 |
| Mizuno Hiromi | 1-3.250 | 0-0 | 0-0 |
| Nyu Eiko | 0-4.000 | 0-0 | 0-1 |
| Omori Ran | 1-3.250 | 1-0 | 0-0 |
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.
| Year | Record | Win rate |
|---|---|---|
| 2026 | 0-7 | .000 |
| 2025 | 1-15 | .063 |
| 2024 | 2-14 | .125 |
| 2023 | 2-16 | .111 |
| 2022 | 2-17 | .105 |
| 2021 | 3-13 | .188 |
| 2020 | 4-13 | .235 |
| 2019 | 6-17 | .261 |
| 2018 | 1-13 | .071 |
| 2017 | 8-17 | .320 |
| 2016 | 10-18 | .357 |
| 2015 | 7-16 | .304 |
| 2014 | 3-8 | .273 |
| 2013 | 3-5 | .375 |
| 2012 | 2-9 | .182 |
| 2011 | 1-4 | .200 |
| Total | 19-142 | .118 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).