Career
He is known by his pseudonym FreedoM or FreeDoM. Chang entered the East-sports world in 2004 where he started his career playing as the Night Elf race in the game WarCraft III. Chang represented South of Korea in WarCraft III at the World Cyber Games 2004, winning the 2004 national Korean qualifier. In 2005, he once again placed first on the World East-sports Festival. After the "MBC Map Scandal" where maps were rigged in order to make the Orc race more powerful, Freedom decided to quit playing WarCraft III and move onto playing StarCraft in 2006.
Currently he is one of the most successful Korean poker players.
2003 MBC Sonokong Prime League III - 3rd place
2004 World Cyber Games of Korea national qualifier - 1st Place
2005 MBC Land Cinema Prime League V - 3rd place
2005 World East-Sports Festival - 1st Place
2005 Ongamenet Invitational - 1st place
2007 Shinhan ProLeague - 1st place
Poker
2008 APPT Manila 2008 4th Place ($38,000).