Go Player Ratings

JAKOAbout ratings

Hong Jun-seon

Hong Jun-seon (홍준선) has a rating of 1284, ranked 290 of 340 in korea play. Their highest rating so far is 1494 (December 28, 2023).

Hong Jun-seon홍준선洪晙善
Rating1284
Rank290
1-year change↓53
Peak rating1494
Last 1049-85(1 by default)
2026 record
13-19
Record since 1954
49-85
Win rate
.366

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

Korea ratingsFind a player

Rating history — korea

46 gamesHigh 1364Low 1243
133 gamesHigh 1494Low 1243
133 gamesHigh 1494Low 1243
133 gamesHigh 1494Low 1243

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, 2026Lee Nam-kyung한국 프로기사협회 리그 Group 12　as White↓19
September 4, 2026Lee Seoyoung한국 프로기사협회 리그 Main Group 12　as White↓19
August 5, 2026Kim SeungjinThe Merriden Open 신예조 예선 2회전　as White↓2
July 20, 2026Kwon JuriSG杯 韓国日報 名人戦 Preliminary Round 3　as White↓12
July 18, 2026Cho SeonghoSG杯 韓国日報 名人戦 Preliminary Round 2　as Black↑28
July 17, 2026Chun PoongjoSG杯 韓国日報 名人戦 Preliminary Round 1　as White↑4
July 10, 2026Park Yeongchan한국 프로기사협회 리그 Group 6　Colors unknown—
July 10, 2026Lee Seoyoung한국 프로기사협회 리그 Group 6　as White↑15
July 6, 2026Lee Nam-kyung한국 프로기사협회 리그 Group 6　as Black↑14
June 26, 2026Ko Miso한국 프로기사협회 리그 Group 6　as Black↓12
June 18, 2026Lee Wooram한국 프로기사협회 리그 Group 6　as Black↓12
June 5, 2026Kim Ilhwan한국 프로기사협회 리그 Group 6　as White↑17
May 26, 2026Won Kang-ha河燦錫国手杯 英才最強戦 Preliminary final　as White↓9
May 21, 2026Baek Yeo-jeong한국 프로기사협회 리그 Group 6　as Black↑19
May 15, 2026Kim Min-ji한국 프로기사협회 리그 Group 6　as Black↑13
May 13, 2026Jeong Daesang한국 프로기사협회 리그 Group 6　as White↑18
May 11, 2026Kim Si-Hwang한국 프로기사협회 리그 Group 6　as White↓12
May 8, 2026Kim Soojang한국 프로기사협회 리그 Group 6　as White↓12
May 6, 2026Lee Seung-seok한국 프로기사협회 리그 Main Group 6　as Black↑21
April 22, 2026Kim Chongsu한국 프로기사협회 리그 Group 6　as White↓12

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
202613-19.406
202520-28.417
202416-37.302
20230-1.000

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