Choi Byounghwan
Choi Byounghwan (최병환) has a rating of 1529, ranked 187 of 340 in korea play. Their highest rating so far is 1771 (July 9, 2014).
- 2026 record
- 2-3
- Record since 1954
- 132-148
- Win rate
- .471
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.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 11, 2026 | Choi Kyubyeong한국 프로기사협회 리그 Group 9 as Black | Win | ↑15 |
| September 4, 2026 | Kim Soojin한국 프로기사협회 리그 Main Group 9 as Black | Win | ↑16 |
| July 18, 2026 | Lee SuljooSG杯 韓国日報 名人戦 Preliminary Round 2 as White | Loss | ↓20 |
| February 21, 2026 | An JungkiSopalkosanol最高棋士決定戦 예선 2회차 as White | Loss | ↓10 |
| January 6, 2026 | Kim SeongjaeGS Caltex杯 プロ棋戦 Preliminary Round 2 as White | Loss | ↓18 |
| September 21, 2025 | Kim Seunggu한국바둑리그 1차예선 1국 Colors unknown | Loss | — |
| September 21, 2025 | Lee Yeon한국바둑리그 1차예선 2국 Colors unknown | Loss | — |
| August 2, 2025 | Park Jihyun大統領杯 全国囲碁大会 プロ部門 예선 2회차 as White | Loss | ↓10 |
| June 19, 2025 | Kim SeungjinSG杯 韓国日報 名人戦 Preliminary Round 3 as White | Loss | ↓4 |
| June 18, 2025 | Kim EunseonSG杯 韓国日報 名人戦 Preliminary Round 2 as White | Win | ↑10 |
| February 3, 2025 | Yang KeonHana Bank囲碁SUPER MATCH 예선 1회차 Colors unknown | Loss | — |
| January 8, 2025 | Gon JiwooGS Caltex杯 プロ棋戦 Preliminary Round 3 as White | Loss | ↓4 |
| January 7, 2025 | Lee Min-seokGS Caltex杯 プロ棋戦 예선 2회차 as White | Win | ↑15 |
| January 6, 2025 | Kim MyeongwanGS Caltex杯 プロ棋戦 예선 1회차 as Black | Win | ↑14 |
| November 20, 2024 | Lee Wondo한국바둑리그 3차 1회전 as White | Loss | ↓5 |
| November 19, 2024 | Kim Seungjin한국바둑리그 2차 예선 2국 as Black | Loss | ↓4 |
| November 19, 2024 | Lee Min-seok한국바둑리그 2차 예선 3국 as White | Win | ↑16 |
| November 6, 2024 | O Yujin한국바둑리그 2차예선 1국 as White | Win | ↑25 |
| November 5, 2024 | Ju Chihong한국바둑리그 1차예선 2국 as Black | Win | ↑22 |
| November 5, 2024 | Ko Miso한국바둑리그 1차예선 1국 as Black | Win | ↑11 |
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 | 2-3 | .400 |
| 2025 | 3-6 | .333 |
| 2024 | 5-3 | .625 |
| 2023 | 0-8 | .000 |
| 2022 | 3-9 | .250 |
| 2021 | 15-17 | .469 |
| 2020 | 10-9 | .526 |
| 2019 | 1-5 | .167 |
| 2018 | 2-4 | .333 |
| 2017 | 0-1 | .000 |
| 2016 | 3-3 | .500 |
| 2015 | 2-7 | .222 |
| 2014 | 11-8 | .579 |
| 2013 | 17-7 | .708 |
| 2012 | 9-9 | .500 |
| 2011 | 7-8 | .467 |
| 2010 | 15-9 | .625 |
| 2009 | 0-1 | .000 |
| 2007 | 11-13 | .458 |
| 2006 | 13-13 | .500 |
| 2005 | 3-5 | .375 |
Calculated from games played between 1954 and 2026 (as of September 22, 2026).