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Yoo Changhyuk

Yoo Changhyuk (유창혁) has a rating of 1726, ranked 77 of 340 in korea play. Their highest rating so far is 2115 (November 28, 1994).

Yoo Changhyuk유창혁劉昌赫
Rating1726
Rank77
1-year change↑36
Peak rating2115
Last 101000-529(2 by default, 2 lost by default)
2026 record
13-7
Record since 1954
1000-529(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

34 gamesHigh 1763Low 1673
87 gamesHigh 1780Low 1673
118 gamesHigh 1780Low 1662
1517 gamesHigh 2115Low 1496

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 18, 2026Kim EunjiThe Merriden Open Round of 32　as White↓7
September 5, 2026Park Seungmun蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 16강　as White↑3
September 5, 2026Han Chongjin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↓17
August 6, 2026Kim IlhwanThe Merriden Open 시니어조 예선 결승　as Black↑2
August 5, 2026Moon MyunggunThe Merriden Open 시니어조 예선 1회전　as Black↑1
July 22, 2026Park JinsolSG杯 韓国日報 名人戦 Preliminary Round 4　as Black↓15
July 21, 2026Kim JeonghyeonSG杯 韓国日報 名人戦 Preliminary Round 3　as White↑16
July 18, 2026Yun HyunseokSG杯 韓国日報 名人戦 Preliminary Round 2　as White↑5
July 17, 2026Kang JihoonSG杯 韓国日報 名人戦 Preliminary Round 1　as Black↑16
June 1, 2026Yoon Seo-wonJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사ㆍ숙녀ㆍ신예 연승대항전 5국　as White↓18
May 26, 2026Jeong YujinJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사ㆍ숙녀ㆍ신예 연승대항전 4국　as Black↑8
April 22, 2026Choi KyubyeongJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 4회전　as White↑6
April 21, 2026Park SeungmunJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 3회전　as White↑3
April 20, 2026Kim SeungjunJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 2회전　as White↑11
March 27, 2026An Choyeong大舟杯 シニア最強者戦 Main Round of 16　as Black↓16
February 12, 2026Kim Chaeyoung블리츠 Open Main Round of 32　as White↓18
January 8, 2026Lee WondoGS Caltex杯 プロ棋戦 Preliminary Round 4　as Black↓15
January 7, 2026Mok JinseokGS Caltex杯 プロ棋戦 Preliminary Round 3　as Black↑19
January 6, 2026Lee YongshinGS Caltex杯 プロ棋戦 Preliminary Round 2　as Black↑1
January 5, 2026Lee WonyoungGS Caltex杯 プロ棋戦 Preliminary Round 1　as Black↑20

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
202613-7.650
202524-9.727
202413-7.650
202329-6.829
20228-4.667
20217-5.583
202020-6.769
20197-6.538
20169-5.643
201513-6.684
201412-7.632
20137-8.467
201220-14.588
201114-8.636
201020-19.513
20099-11.450
200818-23.439
200730-14.682
200627-15.643
200520-20.500
200428-27.509
200327-13.675
200235-15.700
200141-17.707
200028-15.651
199929-12.707
199827-13.675
199728-21.571
199626-17.605
199537-24.607
199449-14.778
199352-21.712
199231-26.544
199136-14.720
199043-22(1 no result).661
198931-5.861
19889-9.500
198744-16.733
198640-14.741
198537-13.740
19842-1.667

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