Go Player Ratings

JAKOAbout ratings

Yun Yeseong

Yun Yeseong (윤예성) has a rating of 1484, ranked 215 of 340 in korea play. Their highest rating so far is 1539 (June 21, 2022).

Yun Yeseong윤예성尹睿成
Rating1484
Rank215
1-year change↓27
Peak rating1539
Last 1080-128(6 by default, 2 lost by default)
2026 record
0-1
Record since 1954
80-128
Win rate
.385

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

Korea ratingsFind a player

Rating history — korea

12 gamesHigh 1513Low 1461
52 gamesHigh 1534Low 1398
84 gamesHigh 1539Low 1398
199 gamesHigh 1539Low 1335

The “All” view starts at 1970; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
January 5, 2026Jung Jun-wooGS Caltex杯 プロ棋戦 Preliminary Round 1　as White↓5
December 15, 2025Kang Byeongkwon한국 프로기사협회 리그 Group 4　Colors unknown—
December 8, 2025Park Jungsoo한국 프로기사협회 리그 Group 4　Colors unknown—
November 3, 2025Heo Jin한국 프로기사협회 리그 Group 4　as White↓14
November 3, 2025Kwak Wonkeun한국 프로기사협회 리그 Group 4　as Black↓10
October 29, 2025Ki Min-chan한국 프로기사협회 리그 Group 4　as White↑22
October 29, 2025Kim Kiwon한국 프로기사협회 리그 Group 4　as White↑18
October 28, 2025Kim Hyeoimin한국 프로기사협회 리그 Group 4　as Black↓14
October 27, 2025Kim Kieon한국 프로기사협회 리그 Group 4　as White↓7
October 24, 2025Lim Eui-hyun한국 프로기사협회 리그 Group 4　as Black↑15
October 23, 2025Kim Youngsam한국 프로기사협회 리그 Group 4　as Black↑19
October 15, 2025Seomun Hyeongwon한국 프로기사협회 리그 Group 4　as White↓17
September 30, 2025Park Soyul한국 프로기사협회 리그 Group 4　as White↓16
September 29, 2025Kim Jooah한국 프로기사협회 리그 Group 4　as Black↓16
September 19, 2025Kim Ha-yoon한국 프로기사협회 리그 Group 4　as Black↓12
September 17, 2025Yang Keon한국 프로기사협회 리그 Group 4　as Black↑14
September 12, 2025Kim Minseo한국 프로기사협회 리그 Group 4　as White↓11
September 10, 2025Jeong Woojin한국 프로기사협회 리그 Group 4　as White↑24
September 9, 2025Lee Seongjae한국 프로기사협회 리그 Group 4　as Black↓16
August 1, 2025Jung Jun-woo大統領杯 全国囲碁大会 プロ部門 예선 2회차　as White↓7

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
20260-1.000
202522-21.512
20243-6.333
20230-2.000
202214-10.583
202122-30.423
20206-25.194
20198-14.364
20185-13.278
20170-6.000

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