Ishii Shiro
Ishii Shiro (石井資郎) has a rating of 1338. Their highest rating so far is 1454 (December 17, 2015).
Retired. The rating shown is the rating at retirement.
- 2022 record
- 0-2
- Record since 1927
- 2-14
- Win rate
- .125
Rating at retirement (not included in the rating list)
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.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| November 30, 2022 | Maruyama ToyojiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓17 |
| January 24, 2022 | 西村僚太郎Kisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓12 |
| January 6, 2021 | Utsumi KokiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓8 |
| November 6, 2019 | Tamura ChiakiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓14 |
| November 28, 2018 | Sumi ShinsukeKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓17 |
| December 22, 2017 | Yanagawa HiromasaKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓15 |
| October 26, 2017 | Sakai TakashiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓13 |
| December 22, 2016 | Yanagawa HiromasaKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓13 |
| November 26, 2016 | Imamura YoshiakiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓7 |
| December 17, 2015 | Son HideyoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓14 |
| June 16, 2005 | Yoshida ShojiKisei Colors unknown | Loss | ↓16 |
| July 21, 2004 | Son HideyoKisei Colors unknown | Loss | ↓17 |
| July 1, 2004 | Tsuchida MasamitsuKisei Colors unknown | Win | ↑18 |
| June 11, 2003 | Maeda RyoKisei Colors unknown | Loss | ↓16 |
| December 17, 1975 | Awaji ShuzoShinjin-O Round 1 as White | Loss | ↓17 |
| July 1, 1975 | Muraoka ShigeyukiShinjin-O Preliminary as White | Win | ↑16 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Son Hideyo | 0-2.000 | 0-0 | 0-0 |
| Yanagawa Hiromasa | 0-2.000 | 0-0 | 0-0 |
| Muraoka Shigeyuki | 1-01.000 | 0-0 | 1-0 |
| 西村僚太郎 | 0-1.000 | 0-0 | 0-0 |
| Tsuchida Masamitsu | 1-01.000 | 0-0 | 0-0 |
| Awaji Shuzo | 0-1.000 | 0-0 | 0-1 |
| Yoshida Shoji | 0-1.000 | 0-0 | 0-0 |
| Imamura Yoshiaki | 0-1.000 | 0-0 | 0-0 |
| Sakai Takashi | 0-1.000 | 0-0 | 0-0 |
| Maruyama Toyoji | 0-1.000 | 0-0 | 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 |
|---|---|---|
| 2022 | 0-2 | .000 |
| 2021 | 0-1 | .000 |
| 2019 | 0-1 | .000 |
| 2018 | 0-1 | .000 |
| 2017 | 0-2 | .000 |
| 2016 | 0-2 | .000 |
| 2015 | 0-1 | .000 |
| 2005 | 0-1 | .000 |
| 2004 | 1-1 | .500 |
| 2003 | 0-1 | .000 |
| 1975 | 1-1 | .500 |
| Total | 2-14 | .125 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).