Go Player Ratings

JAKOAbout ratings

An Choyeong

An Choyeong (안조영) has a rating of 1693, ranked 96 of 340 in korea play. Their highest rating so far is 2034 (September 26, 2003).

An Choyeong안조영安祚永
Rating1693
Rank96
1-year change↓15
Peak rating2034
Last 10784-484(5 by default, 4 lost by default)
2026 record
19-7
Record since 1954
784-484
Win rate
.618

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

Korea ratingsFind a player

Rating history — korea

29 gamesHigh 1762Low 1653
142 gamesHigh 1773Low 1565
211 gamesHigh 1817Low 1565
1259 gamesHigh 2034Low 1489

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 6, 2026Mok Jinseok蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 4강　as White↓14
September 5, 2026Choi Kyubyeong蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 16강　as Black↑7
September 5, 2026Choi Myeonghun蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 8강　as Black↑20
August 6, 2026Kim SoojangThe Merriden Open 시니어조 예선 결승　as Black↓28
August 5, 2026Paek Seong-hoThe Merriden Open 시니어조 예선 1회전　as Black↑1
July 17, 2026Kim Tae-heonSG杯 韓国日報 名人戦 Preliminary Round 1　as White↓25
June 16, 2026Park SoyulJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사ㆍ숙녀ㆍ신예 연승대항전 10국　as Black↓26
June 15, 2026Yoon Seo-wonJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사ㆍ숙녀ㆍ신예 연승대항전 9국　as White↑14
April 24, 2026Mok Jinseok大舟杯 シニア最強者戦 Main Semifinal　as Black↓18
April 22, 2026Park ByeongkyuJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 4회전　as Black↑10
April 21, 2026Kim KihunJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 3회전　as White↑1
April 20, 2026Lee HyoungroJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 2회전　as Black↑1
April 3, 2026Han Chongjin大舟杯 シニア最強者戦 Main Quarterfinal　as White↑15
March 27, 2026Yoo Changhyuk大舟杯 シニア最強者戦 Main Round of 16　as White↑17
February 25, 2026Kim Chaeyoung블리츠 Open Main Round of 16　as Black↓17
February 10, 2026Cho Seunga블리츠 Open Main Round of 32　as Black↑16
January 23, 2026Kim Yeonghwan大舟杯 シニア最強者戦 Preliminary Final　as Black↑6
January 22, 2026Lee Yujin大舟杯 シニア最強者戦 예선 2회차　as White↑4
January 21, 2026Lee Yongshin大舟杯 シニア最強者戦 예선 1회차　as White↑1
January 13, 2026Kim Chanwu블리츠 Open 프로 예선 3회차　as Black↑4

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
202619-7.731
202523-24.489
202435-27.565
202314-9.609
202220-20.500
202119-11.633
202015-14.517
201914-11.560
201812-16.429
201716-12.571
201612-12.500
201521-17.553
201416-13.552
201318-14.563
201226-20.565
201122-18.550
201024-17.585
200931-15.674
200823-15.605
200744-21.677
200638-21.644
200544-18.710
200420-14.588
200331-13.705
200229-16.644
200116-6.727
200010-13.435
199926-7.788
199829-11.725
199739-13.750
199627-11.711
199531-12.721
199415-13.536
19935-3.625

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