Go Player Ratings

JAKOAbout ratings

Park Junghwan

Park Junghwan (박정환) has a rating of 2143, ranked 3 of 340 in korea play. Their highest rating so far is 2252 (January 16, 2020).

Park Junghwan박정환朴廷桓
Rating2143
Rank3
1-year change↑15
Peak rating2252
Last 10709-242(2 by default)
2026 record
28-7
Record since 1954
709-242
Win rate
.746

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 2208Low 2064
133 gamesHigh 2208Low 2064
263 gamesHigh 2240Low 2064
949 gamesHigh 2252Low 1508

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 2, 2026Han SeungjooSG杯 韓国日報 名人戦 Semifinal　as White↑8
August 21, 2026Won SeongjinSG杯 韓国日報 名人戦 Quarterfinal　as White↑7
August 5, 2026Jung Jun-wooSG杯 韓国日報 名人戦 Round of 16　as Black↑2
July 4, 2026Shin MinjunGS Caltex杯 プロ棋戦 결승5번기 3국(최종국)　as White↓16
June 21, 2026Shin MinjunGS Caltex杯 プロ棋戦 결승5번기 2국　as Black↓17
June 20, 2026Shin MinjunGS Caltex杯 プロ棋戦 결승5번기 1국　as White↓19
May 18, 2026Yun JunsangSopalkosanol最高棋士決定戦 Main Quarterfinal　as White↓29
May 13, 2026Shin MinjunGS Caltex杯 プロ棋戦 승자조 결승　as Black↑13
May 1, 2026Kim SeungjinGS Caltex杯 プロ棋戦 Main Semifinal　as Black↑5
April 21, 2026Lee JihyunSopalkosanol最高棋士決定戦 Round of 16 Group A　as Black↑6
April 3, 2026Kang DongyunGS Caltex杯 プロ棋戦 Main Quarterfinal　as Black↑10
April 2, 2026Byun SangilMaxim Coffee杯 入神最強戦 결승3번기 최종국　as White↓20
March 31, 2026Byun SangilMaxim Coffee杯 入神最強戦 결승3번기 2국　as Black↑13
March 29, 2026Han Taehee한국바둑리그 챔피언결정전 3차전　as Black↑1
March 28, 2026Ryu Minhyung한국바둑리그 챔피언결정전 2차전　as White↑4
March 26, 2026An Sungjun한국바둑리그 챔피언결정전 1차전　as White↑8
March 24, 2026Byun SangilMaxim Coffee杯 入神最強戦 결승3번기 1국　as White↓19
March 23, 2026Song Jihoon한국바둑리그 PO 3차전　as White↑8
March 22, 2026Park Mingyu한국바둑리그 PO 2차전　as Black↑9
March 21, 2026Park Mingyu한국바둑리그 PO 1차전　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
202628-7.800
202529-16.644
202431-13.705
202348-19.716
202244-14.759
202140-17.702
202020-11.645
201932-7.821
201828-6.824
201726-3.897
201623-9.719
201533-10.767
201443-14.754
201345-9.833
201251-11.823
201133-13.717
201038-12.760
200941-10.804
200835-19.648
200735-19.648
20066-3.667

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