What is "infi"

Wang Xuwen (born September 14, 1989) , who goes by the pseudonym "infi" is a Chinese professional esports player of the real-time strategy games Warcraft III: The Frozen Throne and Starcraft II. He previously served in team World Elite, Tyloo and VICI GAMING. He is considered one of the best Human players in the world. In 2008, World Elite was the best team of the year and Wang Xuwen was the core member. In 2009, Wang Xuwen helped World Elite obtain the champion of Warcraft III Champions League Season XIV. Additionally, Wang Xuwen also has many individual champion titles from various Premier Tournaments such as World Cyber Games and World e-Sports Games. From 2008 to 2011, the Chinese competitive scene for Warcraft III was dominated by 4 players, Lu "Fly100%" Weiliang, Li "Sky" Xiaofeng, Wang "infi" Xuwen and Huang "TH000"Xiang. Wang "infi" Xuwen and the other three were considered the four kings in Chinese Warcraft III. He played Starcraft II for a few years before retiring from competitive gaming.