Yoo Jaeseong
Yoo Jaeseong (유재성) has a rating of 1426. Their highest rating so far is 1701 (June 15, 2009).
- 2021 record
- 0-1
- Record since 1954
- 127-159
- Win rate
- .444
No games in the last year
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Rating history — korea
The “All” view starts at 1970; earlier years are used only to warm up the calculation and are not shown.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| January 13, 2021 | Choi MyeonghunSG배 명인전 예선 2회전 as Black | Loss | ↓7 |
| December 7, 2020 | Kim DonghoGS Caltex杯 プロ棋戦 예선 1회차 as White | Loss | ↓12 |
| October 20, 2020 | Lee Donghui한국바둑리그 1차 선발전 3회전 Colors unknown | Win | ↑17 |
| October 20, 2020 | Lee Hoseong한국바둑리그 1차 선발전 4회전 as White | Loss | ↓4 |
| October 19, 2020 | Kim Sonjin한국바둑리그 1차 선발전 2회전 Colors unknown | Loss | ↓7 |
| October 19, 2020 | Jin Siyoung한국바둑리그 1차 선발전 1회전 Colors unknown | Loss | ↓2 |
| August 19, 2020 | Shin YoonhoKBS바둑왕전 Preliminary Round 2 Colors unknown | Loss | ↓9 |
| August 10, 2020 | Kim KibumSopalkosanol最高棋士決定戦 1차 예선 2회차 Colors unknown | Loss | ↓7 |
| August 3, 2020 | Cho HanseungSopalkosanol最高棋士決定戦 1차 예선 1회차 Colors unknown | Win | ↑30 |
| December 28, 2016 | Lee ChangseokKBS바둑왕전 예선 2회차 Colors unknown | Loss | ↓7 |
| December 14, 2016 | Kim MinhoGS Caltex杯 プロ棋戦 예선 2회차 Colors unknown | Loss | ↓5 |
| December 12, 2016 | Kim SesilGS Caltex杯 プロ棋戦 예선 1회차 Colors unknown | Win | ↑10 |
| December 10, 2015 | Lee HyeonjunGS Caltex杯 プロ棋戦 예선 3회차 Colors unknown | Loss | ↓9 |
| December 9, 2015 | Oh KyuchulGS Caltex杯 プロ棋戦 예선 2회차 Colors unknown | Win | ↑15 |
| December 7, 2015 | Lee YoungjooGS Caltex杯 プロ棋戦 예선 1회차 Colors unknown | Win | ↑14 |
| November 18, 2015 | Lee Jungwooolleh배 GIGA(棋加)찬 바둑열전 30대부 예선 2회차 Colors unknown | Loss | ↓5 |
| August 28, 2015 | Han SeungjooSG杯 韓国日報 名人戦 예선 2회차 Colors unknown | Loss | ↓5 |
| March 16, 2015 | Park Younglong국수전 예선 3회차 Colors unknown | Loss | ↓7 |
| March 13, 2015 | Kim Dongyeop국수전 예선2회차 Colors unknown | Win | ↑15 |
| March 11, 2015 | Ha Hojung국수전 예선 1회차 Colors unknown | Win | ↑11 |
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.
| Year | Record | Win rate |
|---|---|---|
| 2021 | 0-1 | .000 |
| 2020 | 2-6 | .250 |
| 2016 | 1-2 | .333 |
| 2015 | 4-5 | .444 |
| 2014 | 2-7 | .222 |
| 2013 | 1-8 | .111 |
| 2012 | 3-8 | .273 |
| 2011 | 2-8 | .200 |
| 2010 | 8-9 | .471 |
| 2009 | 12-8 | .600 |
| 2008 | 7-9 | .438 |
| 2007 | 12-14 | .462 |
| 2006 | 11-10 | .524 |
| 2005 | 11-14 | .440 |
| 2004 | 10-9 | .526 |
| 2003 | 8-9 | .471 |
| 2002 | 8-12 | .400 |
| 2001 | 15-8 | .652 |
| 2000 | 6-8 | .429 |
| 1999 | 4-4 | .500 |
Calculated from games played between 1954 and 2026 (as of September 22, 2026).