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Chang Geonhyun

Chang Geonhyun (장건현) has a rating of 1601, ranked 144 of 340 in korea play. Their highest rating so far is 1663 (June 20, 2025).

Chang Geonhyun장건현張健賢
Rating1601
Rank144
1-year change↑3
Peak rating1663
Last 1099-111(3 by default)
2026 record
0-1
Record since 1954
99-111
Win rate
.471

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

Korea ratingsFind a player

Rating history — korea

5 gamesHigh 1615Low 1586
57 gamesHigh 1663Low 1564
90 gamesHigh 1663Low 1524
207 gamesHigh 1663Low 1470

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
February 21, 2026Lee EodukdongSopalkosanol最高棋士決定戦 예선 2회차　as White↓14
September 23, 2025Shin Jaewon한국바둑리그 2차예선 2국　as Black↑23
September 23, 2025Han Jooyoung한국바둑리그 2차예선 3국　as White↓12
September 22, 2025Kim Minseo한국바둑리그 1차예선 3국　as White↑18
September 22, 2025Han Jooyoung한국바둑리그 2차예선 1국　as Black↓12
September 21, 2025Kim Minseo한국바둑리그 1차예선 1국　as White↓16
September 21, 2025Lee Tae-seop한국바둑리그 1차예선 2국　as Black↑9
July 18, 2025Im Sang-gyu한국 프로기사협회 리그 Group 3　as White↓15
July 18, 2025Kang Jae-woo한국 프로기사협회 리그 Group 3　as White↓14
July 18, 2025Ju Hyunwoo한국 프로기사협회 리그 Group 3　Colors unknown—
July 17, 2025Cho Seunga한국 프로기사협회 리그 Group 3　as White↓14
July 16, 2025An Choyeong한국 프로기사협회 리그 Group 3　as Black↓15
June 20, 2025Kim Joo-hyung한국 프로기사협회 리그 Group 3　as Black↑11
June 19, 2025Cho HanseungSG杯 韓国日報 名人戦 Preliminary Round 3　as White↓6
June 18, 2025Cho NamkyunSG杯 韓国日報 名人戦 Preliminary Round 2　as Black↑16
June 4, 2025Lee Hyeonjun한국 프로기사협회 리그 Group 3　as White↑22
May 28, 2025Nakamura Sumire한국 프로기사협회 리그 Group 3　as Black↓13
May 28, 2025Hwang Jaeyeon한국 프로기사협회 리그 Group 3　as White↑22
May 27, 2025Park Kyuongkeun한국 프로기사협회 리그 Group 3　as White↑17
May 27, 2025Hong Se-young한국 프로기사협회 리그 Group 3　as White↓13

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
202513-15.464
202415-12.556
20237-7.500
202210-12.455
20211-2.333
20200-2.000
20191-3.250
20188-6.571
20171-2.333
20161-3.250
20151-3.250
201410-7.588
201310-8.556
20125-9.357
20118-10.444
20108-8.500
20090-1.000

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