Go Player Ratings

JAKOAbout ratings

Lee Seung-seok

Lee Seung-seok (이승석) has a rating of 1387, ranked 259 of 340 in korea play. Their highest rating so far is 1485 (September 19, 2024).

Lee Seung-seok이승석李承䄷
Rating1387
Rank259
1-year change↑53
Peak rating1485
Last 1047-65(3 by default)
2026 record
14-23
Record since 1954
47-65
Win rate
.420

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

Korea ratingsFind a player

Rating history — korea

51 gamesHigh 1431Low 1303
109 gamesHigh 1485Low 1297
109 gamesHigh 1485Low 1297
109 gamesHigh 1485Low 1297

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 6, 2026Song MinhyukThe Merriden Open 신예조 예선 3회전　as Black↓7
August 5, 2026Choi Yoon-sangThe Merriden Open 신예조 예선 2회전　as Black↑29
August 4, 2026Kim SeungguSTIC CUP Challenge囲碁リーグ 14-1　as Black↓2
August 3, 2026Yoon Seo-wonSTIC CUP Challenge囲碁リーグ 13-1　as White↓3
July 28, 2026Yun JunsangSTIC CUP Challenge囲碁リーグ 12-2　as Black↓1
July 27, 2026Lee SeoyoungSTIC CUP Challenge囲碁リーグ 11-3　as White↑18
July 18, 2026Kim JooahSG杯 韓国日報 名人戦 Preliminary Round 2　as Black↓6
July 14, 2026Kim Ha-yoonSTIC CUP Challenge囲碁リーグ 8-3　as White↓3
July 10, 2026Park Yeongchan한국 프로기사협회 리그 Group 6　Colors unknown—
July 6, 2026Kim SeungguSTIC CUP Challenge囲碁リーグ 7-4　as Black↓3
June 29, 2026Mok JinseokSTIC CUP Challenge囲碁リーグ 5-3　as White↓3
June 26, 2026Yoon Ra-eun한국 프로기사협회 리그 Group 6　as White↑13
June 25, 2026Kim Min-ji한국 프로기사협회 리그 Group 6　as White↑9
June 24, 2026Kim Si-Hwang한국 프로기사협회 리그 Group 6　as Black↓16
June 23, 2026Ak JiwooSTIC CUP Challenge囲碁リーグ 4-2　as Black↑18
June 1, 2026Lee Joo-youngSTIC CUP Challenge囲碁リーグ 1-2　as Black↓6
May 28, 2026Han Jooyoung河燦錫国手杯 英才最強戦 Main Round of 16　as Black↓2
May 26, 2026Kim Dong-Wook河燦錫国手杯 英才最強戦 Preliminary final　as Black↑22
May 7, 2026Lee Seoyoung한국 프로기사협회 리그 Main Group 6　as Black↑17
May 6, 2026Park Tae-jun한국 프로기사협회 리그 Main Group 6　as White↓22

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
202614-23.378
202523-27.460
202410-15.400

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