Heo Seohyun
Heo Seohyun (허서현) has a rating of 1608, ranked 136 of 340 in korea play. Their highest rating so far is 1658 (September 11, 2025).
- 2026 record
- 27-12
- Record since 1954
- 130-145
- Win rate
- .473
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Rating history — korea
The “All” view starts at 1970; earlier years are used only to warm up the calculation and are not shown.
Rating history in the korean women's tournaments pool (for reference)
The “All” view starts at 1970; earlier years are used only to warm up the calculation and are not shown.
Ratings in other pools
Ratings for Korean play and for Korean women's tournaments are calculated independently, and neither affects ratings in Japanese tournaments.
- Korean women's tournaments: 1801 (#5)
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 18, 2026 | Park SoyulSh수협은행 여자바둑 최강전 Quarterfinal as White | Win | ↑10 |
| September 17, 2026 | Lee Yoon한국여자바둑리그 14-1(통합라운드) as White | Win | ↑9 |
| September 16, 2026 | Ki Min-chanThe Merriden Open Round of 32 as Black | Win | ↑21 |
| September 11, 2026 | Kim Sinyoung한국여자바둑리그 13-2 as White | Win | ↑8 |
| September 8, 2026 | Kim Sinyoung蘭雪軒杯 全国女子囲碁大会 전국 여자바둑대회 예선 결승 as White | Loss | ↓26 |
| September 7, 2026 | Kim Min-ji蘭雪軒杯 全国女子囲碁大会 전국 여자바둑대회 예선 1회전 as White | Win | ↑3 |
| September 5, 2026 | Kim Eunji한국여자바둑리그 12-3 as White | Loss | ↓6 |
| September 2, 2026 | O YujinHarim杯 プロ女子国手戦 Main Quarterfinal as Black | Win | ↑16 |
| August 24, 2026 | Lee JihyeonHaesung女子棋聖戦 Preliminary Final as White | Win | ↑3 |
| August 23, 2026 | Ma RiyaHaesung女子棋聖戦 예선 1회차 as Black | Win | ↑3 |
| August 22, 2026 | Jeong Yujin한국여자바둑리그 11-4 as White | Win | ↑15 |
| August 14, 2026 | Kim SoojinThe Merriden Open 여자조 예선 결승 Colors unknown | Win | ↑13 |
| August 13, 2026 | Kim Chaeyoung한국여자바둑리그 10-1 as Black | Win | ↑18 |
| August 12, 2026 | Kim DayoungSh수협은행 여자바둑 최강전 Round of 16 as Black | Win | ↑13 |
| August 7, 2026 | Park Soyul한국여자바둑리그 9-2 as White | Win | ↑15 |
| August 6, 2026 | Kwon HyojinThe Merriden Open 여자조 예선 2회전 as Black | Win | ↑8 |
| August 5, 2026 | Hyun MijinThe Merriden Open 여자조 예선 1회전 as White | Win | ↑3 |
| August 4, 2026 | O JungaHarim杯 プロ女子国手戦 Main Round of 16 as White | Win | ↑16 |
| August 2, 2026 | Lee Suljoo한국여자바둑리그 8-4 as Black | Win | ↑10 |
| July 18, 2026 | Choi JeonggwanSG杯 韓国日報 名人戦 Preliminary Round 2 as Black | Loss | ↓17 |
Tournament names are shown in Korean, as the Korea Baduk Association writes them, unless an English name is known.
Round names are translated from the Korea Baduk Association's wording; those we cannot translate are left in Korean.
Record by year
Counted by calendar year, January to December, from Korea Baduk Association games only (default wins and losses are included; jigo and no-result games are not). Games from 1954 onward; international tournaments are not included.
| Year | Record | Win rate |
|---|---|---|
| 2026 | 27-12 | .692 |
| 2025 | 37-28 | .569 |
| 2024 | 37-38 | .493 |
| 2023 | 49-48 | .505 |
| 2022 | 48-37 | .565 |
| 2021 | 31-33 | .484 |
| 2020 | 22-22 | .500 |
| 2019 | 19-19 | .500 |
| 2018 | 14-23 | .378 |
Calculated from games played between 1954 and 2026 (as of September 22, 2026).