Go Player Ratings

JAKOAbout ratings

Lee Yoon

Lee Yoon (이윤) has a rating of 1392, ranked 255 of 340 in korea play. Their highest rating so far is 1517 (February 20, 2026).

Lee Yoon이윤李昀
Rating1392
Rank255
1-year change↓108
Peak rating1517
Last 1010-23
2026 record
23-32
Record since 1954
10-23
Win rate
.303

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

Korea ratingsFind a player

Rating history — korea

33 gamesHigh 1517Low 1358
33 gamesHigh 1517Low 1358
33 gamesHigh 1517Low 1358
33 gamesHigh 1517Low 1358

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)

22 gamesHigh 1625Low 1509
22 gamesHigh 1625Low 1509
22 gamesHigh 1625Low 1509
22 gamesHigh 1625Low 1509

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: 1601 (#17)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
September 22, 2026Kim DayoungHaesung女子棋聖戦 Round of 24　as Black↓14
September 17, 2026Heo Seohyun한국여자바둑리그 14-1(통합라운드)　as Black↓9
September 11, 2026Kim Kangmin한국 프로기사협회 리그 Group 10　as Black↑17
September 10, 2026Park Soyul한국여자바둑리그 13-1　as White↑19
September 8, 2026Kim Minseo蘭雪軒杯 全国女子囲碁大会 전국 여자바둑대회 예선 결승　as White↓11
September 7, 2026Kim Hye-rim蘭雪軒杯 全国女子囲碁大会 전국 여자바둑대회 예선 1회전　as White↑12
September 4, 2026Kim Kyeongeun한국여자바둑리그 12-2　as Black↓21
August 24, 2026Kim HyeoiminHaesung女子棋聖戦 Preliminary Final　as White↑16
August 23, 2026Jang Jin-ahHaesung女子棋聖戦 예선 1회차　as Black↑11
August 22, 2026Choi Seo-bi한국여자바둑리그 11-3　as Black↑15
August 16, 2026Jeong Yujin한국여자바둑리그 10-4　as Black↑25
August 8, 2026Kim Dayoung한국여자바둑리그 9-3　as Black↓12
August 5, 2026Choi Seo-biThe Merriden Open 여자조 예선 1회전　as Black↓12
August 4, 2026Choi JeongHarim杯 プロ女子国手戦 Main Round of 16　as White↓2
August 1, 2026Lee Jeongeun한국여자바둑리그 8-3　as White↓17
July 19, 2026Wu Yiming한국여자바둑리그 7-4　as Black↓6
July 18, 2026Kim SeungguSG杯 韓国日報 名人戦 Preliminary Round 2　as White↓3
July 15, 2026Kim MinjeongSh수협은행 여자바둑 최강전 예선 2회차　as Black↑9
July 12, 2026Park Soyul한국여자바둑리그 6-4　as Black↑22
July 8, 2026Lee Seoyoung한국 프로기사협회 리그 Group 7　as Black↑18

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
202623-32.418

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