Go Player Ratings

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An Sungjun

An Sungjun (안성준) has a rating of 1976, ranked 12 of 340 in korea play. Their highest rating so far is 2104 (June 17, 2025).

An Sungjun안성준安成浚
Rating1976
Rank12
1-year change↓59
Peak rating2104
Last 10479-253(1 by default)
2026 record
26-18
Record since 1954
479-253(1 no result)
Win rate
.654

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

Korea ratingsFind a player

Rating history — korea

66 gamesHigh 2061Low 1912
200 gamesHigh 2104Low 1870
338 gamesHigh 2104Low 1870
731 gamesHigh 2104Low 1517

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 17, 2026Shin MinjunSG杯 韓国日報 名人戦 패자조 4회전　as Black↓9
September 4, 2026Park Mingyu한국 프로기사협회 리그 Main Group 1　as Black↓21
September 3, 2026Shin JinseoSG杯 韓国日報 名人戦 Semifinal　as White↓4
August 20, 2026Ryu MinhyungSG杯 韓国日報 名人戦 Quarterfinal　as Black↑10
August 9, 2026Sim JaeikSG杯 韓国日報 名人戦 Round of 16　as White↑10
July 23, 2026Kim ChanghoonSG杯 韓国日報 名人戦 Preliminary Final　as White↑6
July 20, 2026Kim JooahSG杯 韓国日報 名人戦 Preliminary Round 3　as White↑4
July 18, 2026Yoon Seo-wonSG杯 韓国日報 名人戦 Preliminary Round 2　as White↑6
July 17, 2026Yoo Oh-seongSG杯 韓国日報 名人戦 Preliminary Round 1　as White↑5
June 30, 2026Han Sangjoo한국 프로기사협회 리그 Group 1　as White↑6
June 30, 2026An Kukhyun한국 프로기사협회 리그 Group 1　as Black↑11
June 24, 2026Song Jihoon한국 프로기사협회 리그 Group 1　as Black↑20
June 18, 2026Kim Seunggu한국 프로기사협회 리그 Group 1　as Black↓24
June 18, 2026Mok Jinseok한국 프로기사협회 리그 Group 1　as Black↓26
June 17, 2026Choi Jaeyoung한국 프로기사협회 리그 Group 1　as Black↑18
May 20, 2026Park Jihyun한국 프로기사협회 리그 Group 1　as Black↑7
May 20, 2026Lee Wonyoung한국 프로기사협회 리그 Group 1　as Black↓17
May 14, 2026Park Mingyu한국 프로기사협회 리그 Group 1　as White↑17
May 14, 2026Song Gyusang한국 프로기사협회 리그 Group 1　as Black↓25
May 13, 2026Park Seunghwa한국 프로기사협회 리그 Group 1　as Black↑6

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
202626-18.591
202560-27.690
202436-20.643
202354-29.651
202242-15.737
202122-15.595
202022-8.733
20191-2.333
20181-2.333
201716-10.615
201618-6.750
201534-11.756
201426-15.634
201327-15(1 no result).643
201234-14.708
201123-16.590
201017-16.515
200920-14.588

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