Iwata Saeka
Iwata Saeka (岩田紗絵加) has a rating of 1491, ranked 277 of 452 in professional play. Their highest rating so far is 1549 (September 23, 2024).
- 2026 record
- 12-7
- Record since 1927
- 19-24
- Win rate
- .442
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: 1788 (#12)
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 16, 2026 | Fujisawa NanamiWomen's Kisei Preliminary A Final as Black | Win | ↑6 |
| September 16, 2026 | Tatsumi AkaneWomen's Kisei Preliminary A Semifinal as Black | Win | ↑11 |
| September 9, 2026 | Araki MasakoWomen's Kisei Preliminary B as Black | Win | ↑1 |
| September 9, 2026 | Yoshida MikaWomen's Kisei Preliminary B as White | Win | ↑9 |
| July 30, 2026 | Fujisawa RinaHiroshima Aluminum Cup Wakagoi Preliminary Round 1 Colors unknown | Loss | ↓2 |
| June 22, 2026 | Ueno AsamiSenko Cup Women's Strongest Player Round 2 as Black | Loss | ↓3 |
| June 15, 2026 | Hoshiai ShihoWomen's Honinbo Round 3 as White | Loss | ↓12 |
| May 18, 2026 | Nyu EikoSenko Cup Women's Strongest Player Round 1 as Black | Win | ↑24 |
| May 4, 2026 | Kin EnWomen's Honinbo Round 2 as Black | Win | ↑5 |
| March 25, 2026 | Tatsumi AkaneKisei First Tournament Preliminary Quarterfinal Colors unknown | Loss | ↓16 |
| March 16, 2026 | Suzukawa NatsumiSenko Cup Women's Strongest Player Preliminary Final Colors unknown | Win | ↑7 |
| March 5, 2026 | Shinoda MitsuakiKisei First Tournament Preliminary Round 2 Colors unknown | Win | ↑9 |
| February 26, 2026 | Xie YiminWomen's Meijin League as Black | Loss | ↓11 |
| February 23, 2026 | Hane AyakaWomen's Honinbo Preliminary Final as White | Win | ↑11 |
| February 18, 2026 | Mizuno HiromiSenko Cup Women's Strongest Player Preliminary Semifinal Colors unknown | Win | ↑3 |
| February 4, 2026 | Mishima HibikiSenko Cup Women's Strongest Player Preliminary as Black | Win | ↑9 |
| February 2, 2026 | Kato ChieWomen's Meijin League as White | Loss | ↓10 |
| January 19, 2026 | Fujisawa RinaWomen's Meijin League as Black | Loss | ↓4 |
| January 14, 2026 | Kurahashi ShozoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑11 |
| December 22, 2025 | Kibe NatsukiWomen's Meijin League as Black | Win | ↑12 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Omori Ran | 4-3.571 | 0-0 | 1-0 |
| Kato Chie | 1-6.143 | 0-1 | 0-1 |
| Nyu Eiko | 4-1.800 | 1-0 | 2-1 |
| Hane Ayaka | 4-01.000 | 0-0 | 2-0 |
| O Keii | 1-3.250 | 0-0 | 0-0 |
| Ono Ayako | 4-01.000 | 0-0 | 1-0 |
| Xie Yimin | 1-3.250 | 0-2 | 1-0 |
| Nishiyama Shizuka | 2-2.500 | 1-0 | 0-0 |
| Araki Masako | 4-01.000 | 1-0 | 0-0 |
| Tsukada Chiharu | 4-01.000 | 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 | 12-7 | .632 |
| 2025 | 12-4 | .750 |
| 2024 | 9-10 | .474 |
| 2023 | 12-7 | .632 |
| 2022 | 9-7 | .563 |
| 2021 | 6-8 | .429 |
| 2020 | 8-6 | .571 |
| 2019 | 9-6 | .600 |
| 2018 | 5-4 | .556 |
| Total | 19-24 | .442 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).