(Bill) Robertie (born in Cambridge, Massachusetts, United States on July 9, 1946) is a backgammon, chess, and poker player and author.
He is one of four backgammon players to have won the World Backgammon Championship twice (in 1983 and in 1987).
Robertie also won the Pro-Am in the Bahamas in the year 1993 and the Istanbul World Cup in 1994.
In chess, Robertie won the 1970 U.S.
Speed Chess tournament.Robertie graduated from Harvard.
Robertie co-authored a popular series of books on tournament no-limit Texas hold'em with 1995 World Champion Dan Harrington, entitled Harrington on Hold 'em.
The books were published by Two Plus Two Publishing.