Go Player Ratings

JAKOAbout ratings

Lee Jung-jun

Lee Jung-jun (이정준) has a rating of 1448, ranked 228 of 340 in korea play. Their highest rating so far is 1506 (July 28, 2023).

Lee Jung-jun이정준李釘準
Rating1448
Rank228
1-year change↑9
Peak rating1506
Last 105-14(1 by default, 1 lost by default)
2026 record
2-3
Record since 1954
5-14
Win rate
.263

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

Korea ratingsFind a player

Rating history — korea

5 gamesHigh 1448Low 1427
13 gamesHigh 1495Low 1427
17 gamesHigh 1506Low 1427
17 gamesHigh 1506Low 1427

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 11, 2026Park Dongjoo한국 프로기사협회 리그 Group 8　as Black↑21
September 4, 2026Kim Namhun한국 프로기사협회 리그 Main Group 8　as Black↓11
July 18, 2026Kim Joo-hyungSG杯 韓国日報 名人戦 Preliminary Round 2　as Black↓5
January 6, 2026Ryu MinhyungGS Caltex杯 プロ棋戦 Preliminary Round 2　as Black↓2
January 5, 2026Do EungyoGS Caltex杯 プロ棋戦 Preliminary Round 1　as Black↑6
September 21, 2025Kim Namhun한국바둑리그 1차예선 2국　as Black↓11
September 21, 2025Kim Sangcheon한국바둑리그 1차예선 1국　as White↓9
June 18, 2025Kim DabinSG杯 韓国日報 名人戦 Preliminary Round 2　as White↓3
November 5, 2024Kang Jae-woo한국바둑리그 1차예선 1국　as White↓10
November 5, 2024Choi Wongyong한국바둑리그 1차예선 2국　as Black↓12
July 23, 2024Kim Ha-yoonSG杯 韓国日報 名人戦 Preliminary Round 2　as White↓12
July 22, 2024Lee HyeonwukSG杯 韓国日報 名人戦 Preliminary Round 1　as White↑13
March 25, 2024Lim Eui-hyun李鵬杯 新鋭最高位戦 Preliminary Round 1　as White↓14
December 12, 2023Han WoojinGS Caltex杯 プロ棋戦 Preliminary Round 1　Colors unknown—
July 31, 2023Kim Beomseo李鵬杯 新鋭最高位戦 Main Round of 32　as Black↓10
July 28, 2023Park Soyul李鵬杯 新鋭最高位戦 Main Round of 64　as White↑16
July 25, 2023Kim SeungjaeSG杯 韓国日報 名人戦 Preliminary Round 3　as White↓4
July 24, 2023Lee Da-hyeSG杯 韓国日報 名人戦 Preliminary Round 2　Colors unknown—
March 21, 2023Song Gyusang용성전 일반조 예선 2회차　as White↓5

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
20262-3.400
20250-3.000
20241-4.200
20232-4.333

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