Go Player Ratings

JAKOAbout ratings

Choi Yoon-sang

Choi Yoon-sang (최윤상) has a rating of 1716, ranked 84 of 340 in korea play. Their highest rating so far is 1748 (July 21, 2026).

Choi Yoon-sang최윤상崔允祥
Rating1716
Rank84
1-year change↑216
Peak rating1748
Last 1023-7
2026 record
23-7
Record since 1954
23-7
Win rate
.767

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

Korea ratingsFind a player

Rating history — korea

30 gamesHigh 1748Low 1506
30 gamesHigh 1748Low 1506
30 gamesHigh 1748Low 1506
30 gamesHigh 1748Low 1506

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
September 11, 2026Kim Sangyun한국 프로기사협회 리그 Group 4　as Black↑14
September 4, 2026Kim Joo-hyung한국 프로기사협회 리그 Main Group 4　as White↓15
August 5, 2026Lee Seung-seokThe Merriden Open 신예조 예선 2회전　as White↓29
August 5, 2026Hong Se-youngThe Merriden Open 신예조 예선 1회전　as White↑17
July 22, 2026An JungkiSG杯 韓国日報 名人戦 Preliminary Final　as White↓18
July 21, 2026Eom Dong-gunSG杯 韓国日報 名人戦 Preliminary Round 4　as White↑14
July 20, 2026Kim MyeonghoonSG杯 韓国日報 名人戦 Preliminary Round 3　as Black↑27
July 18, 2026Kim SeongiSG杯 韓国日報 名人戦 Preliminary Round 2　as White↑19
July 9, 2026Kim Won-dae한국 프로기사협회 리그 Group 7　as White↑11
July 8, 2026Lee Joo-young한국 프로기사협회 리그 Group 7　as White↑14
July 7, 2026Lee Euihyun한국 프로기사협회 리그 Group 7　as White↓15
June 30, 2026Yun Minjung한국 프로기사협회 리그 Group 7　Colors unknown↑17
June 19, 2026Choi Hwan-young한국 프로기사협회 리그 Group 7　as Black↑19
June 12, 2026Park Siyeol한국 프로기사협회 리그 Main Group 7　as White↑16
June 10, 2026Lee Yongshin한국 프로기사협회 리그 Main Group 7　as White↑1
May 19, 2026Jeong Won-chan한국 프로기사협회 리그 Group 7　as White↑14
May 18, 2026Ak Jiwoo한국 프로기사협회 리그 Group 7　as White↑8
May 15, 2026Kim Dong-Wook한국 프로기사협회 리그 Group 7　as White↑11
May 4, 2026Kim Tae-heon한국 프로기사협회 리그 Main Group 7　as White↑12
April 30, 2026Kim Sa-woo한국 프로기사협회 리그 Group 7　as Black↑16

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
202623-7.767

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