Go Player Ratings

JAKOAbout ratings

Oh Byeongwoo

Oh Byeongwoo (오병우) has a rating of 1685, ranked 104 of 340 in korea play. Their highest rating so far is 1818 (November 13, 2025).

Oh Byeongwoo오병우吳秉祐
Rating1685
Rank104
1-year change↓65
Peak rating1818
Last 10220-189(5 by default)
2026 record
10-15
Record since 1954
220-189
Win rate
.538

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 1818Low 1666
54 gamesHigh 1818Low 1666
211 gamesHigh 1818Low 1600
404 gamesHigh 1818Low 1455

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, 2026Kang Jae-woo한국 프로기사협회 리그 Group 4　as Black↑18
July 18, 2026An JungkiSG杯 韓国日報 名人戦 Preliminary Round 2　as White↓19
July 10, 2026Cho Wankyu한국 프로기사협회 리그 Group 2　as White↑21
July 10, 2026Kim Dabin한국 프로기사협회 리그 Group 2　as Black↓11
June 10, 2026Choi Kyeongho한국 프로기사협회 리그 Main Group 2　as White↓15
June 8, 2026Jung Jun-woo한국 프로기사협회 리그 Main Group 2　as White↑16
May 29, 2026Yun Seongsik한국 프로기사협회 리그 Group 2　as White↓17
May 27, 2026Kim Sedong한국 프로기사협회 리그 Group 2　as White↓12
May 21, 2026Shin Jaewon한국 프로기사협회 리그 Group 2　as Black↓17
May 19, 2026Lee Wondo한국 프로기사협회 리그 Group 2　as White↓12
May 13, 2026Nakamura Sumire한국 프로기사협회 리그 Group 2　as White↓15
May 13, 2026Lee Min-seok한국 프로기사협회 리그 Group 2　as White↑14
April 15, 2026Won Jehun한국 프로기사협회 리그 Group 2　as White↓17
April 13, 2026Hwang Jaeyeon한국 프로기사협회 리그 Group 2　as White↓13
April 1, 2026Kim Chaeyoung한국 프로기사협회 리그 Group 2　as Black↑17
March 27, 2026Kim Hyeongwoo한국 프로기사협회 리그 Group 2　as White↑19
March 17, 2026Lee Hyeonjun한국 프로기사협회 리그 Group 2　as White↑11
March 16, 2026Kang Jihoon한국 프로기사협회 리그 Group 2　as White↑17
February 21, 2026Park YeonghunSopalkosanol最高棋士決定戦 예선 2회차　as White↓12
January 22, 2026Han Taehee한국바둑리그 12-1　as Black↓21

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
202610-15.400
202519-10.655
202323-23.500
202249-36.577
202156-42.571
202039-32.549
201913-10.565
20188-15.348
20173-6.333

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