Go Player Ratings

JAKOAbout ratings

Lee Seongjae

Lee Seongjae (이성재) has a rating of 1560, ranked 172 of 340 in korea play. Their highest rating so far is 1914 (November 13, 1998).

Lee Seongjae이성재李聖宰
Rating1560
Rank172
1-year change↑44
Peak rating1914
Last 10528-423(8 by default, 7 lost by default)
2026 record
21-17
Record since 1954
528-423
Win rate
.555

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

Korea ratingsFind a player

Rating history — korea

53 gamesHigh 1599Low 1489
138 gamesHigh 1599Low 1435
190 gamesHigh 1599Low 1404
936 gamesHigh 1914Low 1404

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 5, 2026Lee Hyeonwuk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↓22
August 6, 2026Seo BongsooThe Merriden Open 시니어조 예선 결승　as Black↓16
August 5, 2026Yang KeonThe Merriden Open 시니어조 예선 1회전　as White↑10
July 24, 2026Yun Youngmin蔚山市長杯 全国囲碁大会 プロシニア最強戦 프로 시니어 최강전 A그룹 예선 결승　as Black↑2
July 21, 2026Song GyusangSG杯 韓国日報 名人戦 Preliminary Round 3　as White↓7
July 18, 2026Cha SookwonSG杯 韓国日報 名人戦 Preliminary Round 2　Colors unknown—
July 17, 2026Hwang JinhyungSG杯 韓国日報 名人戦 Preliminary Round 1　as White↑14
July 7, 2026Kim Dayoung한국 프로기사협회 리그 Group 4　as Black↓15
June 26, 2026Kim Nuri한국 프로기사협회 리그 Group 4　as Black↑16
June 18, 2026Park Soyul한국 프로기사협회 리그 Group 4　as Black↑15
June 16, 2026Kim Minseo한국 프로기사협회 리그 Group 4　as Black↓17
May 8, 2026Kim Kyeongeun한국 프로기사협회 리그 Group 4　as White↑24
May 7, 2026Kim Kiwon한국 프로기사협회 리그 Main Group 4　as White↑15
May 6, 2026Kang Kyeong-hyeon한국 프로기사협회 리그 Main Group 4　as White↑13
May 4, 2026Heo Jin한국 프로기사협회 리그 Main Group 4　as Black↓10
April 30, 2026Kwak Wonkeun한국 프로기사협회 리그 Group 4　as White↓8
April 28, 2026Yang Jong-chan한국 프로기사협회 리그 Group 4　as White↓12
April 22, 2026Lee YongchanJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 4회전　as White↓21
April 21, 2026Park JungsangJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 3회전　as White↑21
April 20, 2026Kim DongmyeonJiji Auction杯 紳士・淑女・新鋭連勝対抗戦 신사 숙녀 신예 연승대항전 예선 2회전　as White↑4

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
202621-17.553
202527-32.458
202417-22.436
202317-24.415
20224-11.267
202129-24.547
202015-18.455
20192-6.250
20186-7.462
20173-4.429
20164-3.571
20154-7.364
20143-7.300
20135-8.385
20128-10.444
201110-9.526
201012-9.571
200919-10.655
200811-14.440
200727-20.575
200616-14.533
200522-12.647
20045-8.385
20030-7.000
200210-9.526
200117-14.548
200012-5.706
199919-11.633
199831-13.705
199728-16.636
199629-11.725
199542-14.750
199425-12.676
199325-9.735
19923-6.333

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