Go Player Ratings

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Lee Changseok

Lee Changseok (이창석) has a rating of 1785, ranked 51 of 340 in korea play. Their highest rating so far is 2064 (February 9, 2021).

Lee Changseok이창석李昌錫
Rating1785
Rank51
1-year change↓83
Peak rating2064
Last 10280-187(1 lost by default)
2026 record
5-8
Record since 1954
280-187
Win rate
.600

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

Korea ratingsFind a player

Rating history — korea

26 gamesHigh 1920Low 1785
89 gamesHigh 2000Low 1785
190 gamesHigh 2020Low 1785
466 gamesHigh 2064Low 1521

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
July 20, 2026Park JinsolSG杯 韓国日報 名人戦 Preliminary Round 3　as White↓18
July 18, 2026Lee Tae-seopSG杯 韓国日報 名人戦 Preliminary Round 2　as White↑2
April 22, 2026Kim HyeongwooSopalkosanol最高棋士決定戦 Round of 16 Group A　as White↓18
March 10, 2026Lee JihyunSopalkosanol最高棋士決定戦 Round of 16 Group A　as Black↓10
January 30, 2026Na Hyun한국바둑리그 13-2　as White↓11
January 23, 2026Byun Sangil한국바둑리그 12-2　as Black↓6
January 19, 2026Cho HanseungMaxim Coffee杯 入神最強戦 Main Round of 32　as Black↓15
January 10, 2026Han Taehee한국바둑리그 10-3　as White↓26
January 9, 2026Kang YootaekGS Caltex杯 プロ棋戦 Preliminary Final　as Black↓13
January 8, 2026Kim JuhoGS Caltex杯 プロ棋戦 Preliminary Round 4　as Black↑8
January 7, 2026Cho SeungaGS Caltex杯 プロ棋戦 Preliminary Round 3　as Black↑9
January 6, 2026Kim KiwonGS Caltex杯 プロ棋戦 Preliminary Round 2　as Black↑4
January 4, 2026Lee Jaesung한국바둑리그 9-4　as Black↑11
December 18, 2025Song Jihoon한국바둑리그 8-1　as White↓9
December 13, 2025Park Sangjin한국바둑리그 7-3　as White↓18
December 6, 2025Kim Junghyun한국바둑리그 6-3　as Black↓13
November 22, 2025Park Junghwan한국바둑리그 4-3　as Black↓9
November 6, 2025An Sungjun한국바둑리그 3-2 (통합라운드)　as Black↑23
October 30, 2025Hong Seongji한국바둑리그 2-1　as Black↑18
October 30, 2025Choi Kyeongho한국바둑리그 2-1　as White↑9

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
20265-8.385
202520-17.540
202420-15.571
202331-13.705
202225-17.595
202146-24.657
202028-13.683
201921-15.583
201823-14.622
201724-17.585
201614-15.483
201523-19.548

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