At the 2006 World Series of Poker Chen won two events, a $3,000 limit Texas hold 'em event with a prize of $343,618, and a $2,500 no limit hold 'em short-handed event with a prize of $442,511. Prior to these events Chen's largest tournament win was for $41,600 at a no limit hold 'em event at the Bicycle Casino's "Legends of Poker" in 2000.