 Nguyen won the Card Player Magazine Player of the Year award in 1997, 2001, 2003 and 2005 and is widely regarded as one of the most accomplished tournament players in the world.While allegations have been made regarding Nguyen's possible involvement with tournament cheating, nothing has been proven and Nguyen has consistently denied any such actions.As of 2018, his total live tournament winnings exceed $10,500,000.