Ha Chan-seok
Ha Chan-seok (하찬석) has a rating of 1341. Their highest rating so far is 1967 (July 17, 1985).
- 2010 record
- 2-8
- Record since 1954
- 567-494
- Win rate
- .534
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 |
|---|---|---|---|
| September 3, 2010 | Park Jungsang원익배 십단전 예선 2차전 Colors unknown | Loss | ↓1 |
| June 4, 2010 | Kim Jiseok국수전 예선 2차전 Colors unknown | Loss | ↓1 |
| May 19, 2010 | Choi Wongyong천원전 예선 2차전 Colors unknown | Loss | ↓4 |
| April 14, 2010 | Kim HyeongwanKT배 오픈챔피언십 예선 1차전 Colors unknown | Loss | ↓4 |
| April 8, 2010 | Jiang Zhujiu한국바둑리그 예선 1차전 Colors unknown | Loss | ↓5 |
| April 5, 2010 | Hong MinpyoSG杯 韓国日報 名人戦 예선 3차전 Colors unknown | Loss | ↓2 |
| April 1, 2010 | Kim ChanwuSG杯 韓国日報 名人戦 예선 2차전 Colors unknown | Win | ↑23 |
| March 30, 2010 | Kong ByeongjooSG杯 韓国日報 名人戦 예선 1차전 Colors unknown | Win | ↑10 |
| March 17, 2010 | Kang Jiseong한국물가정보배 예선 2차전 Colors unknown | Loss | ↓3 |
| March 10, 2010 | Moon DowonKBS바둑왕전 예선 2차전 Colors unknown | Loss | ↓9 |
| November 16, 2009 | Moon MyunggunGS Caltex杯 プロ棋戦 예선 1차전 Colors unknown | Loss | ↓14 |
| November 9, 2009 | Kim SeonryongMaxim Coffee杯 入神最強戦 Main Round of 24 as White | Loss | ↓4 |
| October 12, 2009 | Hong Jong-hyunMaxim Coffee杯 入神最強戦 예선 결승(동군) Colors unknown | Win | ↑9 |
| July 8, 2009 | Kim Daeyoung원익배 십단전 예선 1차전 Colors unknown | Loss | ↓5 |
| June 23, 2009 | Paek JiheeSG杯 韓国日報 名人戦 예선 1차전 Colors unknown | Loss | ↓17 |
| June 2, 2009 | Kim Hyeoimin국수전 예선 1차전 Colors unknown | Loss | ↓8 |
| May 25, 2009 | Yun Jihee천원전 예선 2차전 Colors unknown | Loss | ↓11 |
| May 1, 2009 | Jen Youngkyu한국바둑리그 예선 2차전 Colors unknown | Loss | ↓4 |
| March 23, 2009 | Yoo Jaeseong한국물가정보배 예선 1차전 Colors unknown | Loss | ↓8 |
| March 18, 2009 | Yang SangkukKBS바둑왕전 예선 1차전 Colors unknown | Win | ↑8 |
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 |
|---|---|---|
| 2010 | 2-8 | .200 |
| 2009 | 3-10 | .231 |
| 2008 | 5-11 | .313 |
| 2007 | 4-8 | .333 |
| 2006 | 2-8 | .200 |
| 2005 | 10-14 | .417 |
| 2004 | 3-10 | .231 |
| 2003 | 4-9 | .308 |
| 2002 | 9-13 | .409 |
| 2001 | 9-6 | .600 |
| 2000 | 1-8 | .111 |
| 1999 | 7-8 | .467 |
| 1998 | 10-12 | .455 |
| 1997 | 5-11 | .313 |
| 1996 | 8-8 | .500 |
| 1995 | 4-16 | .200 |
| 1994 | 11-11 | .500 |
| 1993 | 15-15 | .500 |
| 1992 | 17-12 | .586 |
| 1991 | 15-15 | .500 |
| 1990 | 14-15 | .483 |
| 1989 | 20-14 | .588 |
| 1988 | 21-13 | .618 |
| 1987 | 25-13 | .658 |
| 1986 | 22-24 | .478 |
| 1985 | 34-19 | .641 |
| 1984 | 29-16 | .644 |
| 1983 | 13-16 | .448 |
| 1982 | 23-13 | .639 |
| 1981 | 21-14 | .600 |
| 1980 | 18-18 | .500 |
| 1979 | 29-20 | .592 |
| 1978 | 25-13 | .658 |
| 1977 | 22-23 | .489 |
| 1976 | 33-15 | .688 |
| 1975 | 13-9 | .591 |
| 1974 | 12-5 | .706 |
| 1973 | 17-9 | .654 |
| 1972 | 23-5 | .821 |
| 1971 | 9-6 | .600 |
| 1970 | 0-1 | .000 |
Calculated from games played between 1954 and 2026 (as of September 22, 2026).