Go Player Ratings

JAKOAbout ratings

Chang Suyeong

Chang Suyeong (장수영) has a rating of 1342, ranked 278 of 340 in korea play. Their highest rating so far is 1948 (September 5, 1989).

Chang Suyeong장수영张秀英
Rating1342
Rank278
1-year change↑33
Peak rating1948
Last 10672-659(5 by default, 1 lost by default)
2026 record
4-7
Record since 1954
672-659
Win rate
.505

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

Korea ratingsFind a player

Rating history — korea

20 gamesHigh 1365Low 1299
53 gamesHigh 1365Low 1204
64 gamesHigh 1365Low 1204
1325 gamesHigh 1948Low 1197

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
August 7, 2026Lee JungwooThe Merriden Open 시니어조 예선 결승　as Black↓6
August 5, 2026Seo NungwukThe Merriden Open 시니어조 예선 1회전　as White↑18
July 23, 2026Kim Ilhwan蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 B그룹 예선 1회전　as Black↓20
July 18, 2026Kim KangkeunSG杯 韓国日報 名人戦 Preliminary Round 2　as White↓16
July 17, 2026Park SeunghwaSG杯 韓国日報 名人戦 Preliminary Round 1　as White↑29
April 21, 2026Lee ChanghoJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 3회전　as White↓2
April 20, 2026Ju HyeongwukJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 2회전　as White↑25
January 21, 2026Oh Kyuchul大舟杯 シニア最強者戦 예선 1회차　as White↓13
January 13, 2026Kim Miri블리츠 Open 프로 예선 3회차　as Black↓11
January 13, 2026Kim Hyeoimin블리츠 Open 프로 예선 2회차　as White↑24
January 6, 2026Kim HyeoiminGS Caltex杯 プロ棋戦 Preliminary Round 2　as Black↓9
November 4, 2025Kim Soojang레전드(시니어) 바둑리그 13-1(통합라운드)　as Black↑20
October 30, 2025Park Jieun레전드(시니어) 바둑리그 12-2(통합라운드)　as Black↓9
October 24, 2025An Kwanwuk레전드(시니어) 바둑리그 10-4(통합라운드)　as White↓12
October 21, 2025Yun Hyunseok레전드(시니어) 바둑리그 9-3　as White↑23
October 10, 2025Choi Kyubyeong레전드(시니어) 바둑리그 6-4(통합라운드)　as Black↓11
October 5, 2025Lim Ji-hoSUPER CUP BADUK OPEN 예선 2회차　Colors unknown↓8
October 3, 2025Park Seungmun레전드(시니어) 바둑리그 5-3(통합라운드)　as Black↑20
September 29, 2025Lee Changho레전드(시니어) 바둑리그 4-2(통합라운드)　as Black↓1
September 26, 2025Yang Keon레전드(시니어) 바둑리그 3-1　as Black↓8

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
20264-7.364
20259-12.429
20245-10.333
20233-11.214
20221-3.250
202111-30.268
20207-16.304
20199-13.409
20188-14.364
20179-8.529
20168-7.533
20156-8.429
20146-11.353
20132-9.182
20122-12.143
20116-13.316
201014-11.560
20092-10.167
20088-10.444
200711-14.440
20067-9.438
200512-15.444
200416-11.593
20034-9.308
200210-12.455
20017-9.438
200010-9.526
19999-9.500
199818-10.643
199713-12.520
199613-9.591
199517-15.531
199432-19.627
199318-19.486
199225-15.625
199118-20.474
199026-18.591
198932-20.615
198819-18.513
198722-24.478
198632-17.653
198522-16.579
198419-20.487
198319-17.528
198216-11.593
198112-8.600
198022-10.688
19799-9.500
197810-6.625
197716-6.727
19764-8.333
19755-5.500
19747-3.700
197310-4.714
19728-6.571
19712-2.500

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