How many times did the author of Super/System win the world series of poker?
Doyle Brunson Doyle F. Brunson (born August 10, 1933) is an American poker player who has played professionally for over 50 years. He is a two-time World Series of Poker (WSOP) Main Event champion, a Poker Hall of Fame inductee, and the author of several books on poker.
Ylon Schwartz Ylon Schwartz ( ; born 1970) is a chess master and professional poker player from Brooklyn, New York, and a fourth-place finisher in the $10,000 World Championship No Limit Hold'em Main Event of the 2008 World Series of Poker (WSOP), played on November 9, 2008. Prior to the Main Event, Schwartz had 11 career WSOP cashes. He is also a World Series of Poker bracelet winner. He used to play poker professionally online under the screen name "TenthPlanet".