Go Player Ratings

JAKOAbout ratings

O Junga

O Junga (오정아) has a rating of 1463, ranked 221 of 340 in korea play. Their highest rating so far is 1699 (December 8, 2020).

O Junga오정아吳政娥
Rating1463
Rank221
1-year change↓12
Peak rating1699
Last 10126-144(3 by default)
2026 record
5-5
Record since 1954
126-144
Win rate
.467

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Korea ratingsFind a player

Rating history — korea

4 gamesHigh 1482Low 1463
58 gamesHigh 1565Low 1463
71 gamesHigh 1598Low 1463
267 gamesHigh 1699Low 1432

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)

16 gamesHigh 1709Low 1608
65 gamesHigh 1713Low 1538
89 gamesHigh 1753Low 1538
243 gamesHigh 1753Low 1491

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: 1690 (#11)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 7, 2026Kim MinseoThe Merriden Open 여자조 예선 2회전　as Black↓11
August 6, 2026Choi JeongSh수협은행 여자바둑 최강전 Round of 16　as White↓3
August 4, 2026Heo SeohyunHarim杯 プロ女子国手戦 Main Round of 16　as Black↓16
July 15, 2026Kang JisooSh수협은행 여자바둑 최강전 예선 2회차　as Black↑6
July 14, 2026Choi DongeunSh수협은행 여자바둑 최강전 Preliminary Round 1　as White↑4
June 24, 2026Baek Yeo-jeongHarim杯 プロ女子国手戦 Preliminary Final　as White↑8
June 23, 2026Yun YoungminHarim杯 プロ女子国手戦 예선 2회차　as White↑3
April 21, 2026Kim KyeongeunJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 2회전　as White↓8
April 20, 2026Kwon JuriJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 1회전　as Black↑14
January 6, 2026Yun SeongsikGS Caltex杯 プロ棋戦 Preliminary Round 2　as Black↓6
November 25, 2025Kim EunjiHaesung女子棋聖戦 결승 3번기 2국　as White↓4
November 24, 2025Kim EunjiHaesung女子棋聖戦 결승 3번기 1국　as Black↓4
November 18, 2025Choi JeongHaesung女子棋聖戦 Main Semifinal　as Black↑29
November 4, 2025Park SoyulHaesung女子棋聖戦 Main Quarterfinal　as White↑19
October 16, 2025Lee Suljoo한국여자바둑리그 18-2(통합라운드)　as Black↑12
October 9, 2025Baek Yeo-jeong한국여자바둑리그 17-1　as Black↓25
October 6, 2025Kim HyeoiminHaesung女子棋聖戦 Main Round of 16　as White↑18
October 5, 2025Heo Seohyun한국여자바둑리그 16-4　as Black↑22
September 29, 2025Lee Na-kyungHaesung女子棋聖戦 Main Round of 24　as White↑14
September 28, 2025Kim Eunji한국여자바둑리그 15-1(통합라운드)　as White↓3

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.

YearRecordWin rate
20265-5.500
202533-36.478
202423-24.489
202215-13.536
202111-17.393
202025-21.543
201919-14.576
201817-17.500
201715-14.517
201613-16.448
201525-15.625
201420-10.667
201313-11.542
201218-27.400
201111-11.500

Calculated from games played between 1954 and 2026 (as of September 22, 2026).