- Affiliation : Hanguk Kiwon
- Name : Yoo,Chang-Hyuk
- Date of birth : April 25, 1966
- Turned pro : 1984
Career Highlights (Korean- League)
- won World Amateur Cup second place.
- World Championship record a grand slam.(in 1993, Fujitsu, in 1996, Ing, in 2000, Sang-sum, in 2001, Chunlan, in 2002 LG Cup championship)
In 1986, won 2nd New Wang champion.
In 1988, won 6th Dae-wang title.
In 1989, won Ki-sung second place.
In 1990, won Ki-sung, Dae-wang second place.
In 1991, won Ki-sung second place, Chun-won second place.
In 1992, won Wang-wi, Jae-wang second place.
In 1993, won Wang-wi, Myung-in, BC-Card, KBS Baduk-wang. Korean best player award.
In 1994, won Wang-wi, Chun-won titles. Chae-wang second place.
In 1995, won Wang-wi, Ki-wang, Pae-wang. SBS Cup second place.
In 1996, won SBS, Techron titles. Wang-wi second place.
In 1997, won SBS, LG Cup second place.
In 1998, won Bae-dal-wang title.
In 1999, won Bae-dal-wang, LG Refined Oil Cup second place.
In 2000, won Ki-sung second place.
In 2001, won Maxim Cup.
In 2002, won 3rd Maxim Cup, 11 KTF Cup second place.
In 2003, won KT Cup, 37th Pae-wang title.
In 2004, won Maxim Cup second place, 1st round tournament 2004 Korea Baduk-league.
In 2005, 1st round tournament 2005 Korea Baduk-league, Baduk-wang second place.
In 2006, 1st round tournament 2006 Korea Baduk-league.
In 2007, 1st round tournament 2007 Korea Baduk-league.
Career Highlights (All International Events)
In 1993, won 6th Fujitsu Cup champion, Jin-ro Cup Ring Contest.
In 1994, won 7th Fujitsu Cup second place. Jin-ro Cup Ring Contest.
In 1995, won Jin-ro Cup Ring Contest.
In 1996, won Jin-ro Cup Ring Contest. Sam-sung Cup second place.
In 1997, won Ing Cup champion, LG Cup second place, Jin-ro Cup Ring Contest.
In 1998, won LG Cup second place.
In 1999, won 12th Fujitsu Cup champion.
In 2000, won 5th Sam-sung Cup champion, LG Cup second place.
In 2001, won 3rd Chun-Lan Cup champion, 2nd Maxim Cup champion.
In 2002, won 6th LG Cup champion, 15th Fujitsu Cup second place.
In 2003, Asia Baduk-league CSK Cup, Fujitsu Cup Quarter-final, LG Cup round of 16, Sam-sung Cup round of 16, Chun-lan Cup round of 16.
In 2004, LG Cup Quarter-final, Fujitsu Cup Semi-final, Sam-sung Cup round of 32, 2nd Toyota Cup round of 16.
In 2005, won Fujitsu Cup third place, Sam-sung Cup Quarter-final.