Dan Harrington and Bill Robertie. The theory explains at which stages of tournaments expected value exists to make moves on other players, depending on the ratio between chip stack sizes and antes. While playing poker, Magriel often shouted "Quack quack!" while making a bet, usually to declare a bet which had a numerical value beginning in 22 (e.g.: 2200, 22000.) This is a reference to his nickname, X-22, since a pair of 2's are known in backgammon as "double ducks" and poker as ducks. His total live poker tournament winnings exceed $520,000. Family and miscellaneous Magriel was the son of Paul David Magriel, Sr. (1906–1990), an art collector and author, and Christine Fairchild Magriel, an architect. His younger half-brother is the sarangi player and teacher Nicolas Magriel. He has one son, Louis Fairchild Magriel (Louis being the name of all four grandfathers) by his third ex-wife, French poker player Martine Oulés After receiving perfect College Board scores, he became, while an undergraduate, a fellow of the Courant Institute at New York University and later a National Science Foundation fellow at Princeton University with a primary interest in probability. Magriel taught mathematics at the Newark College of Engineering (now New Jersey Institute of Technology) between 1969 and 1973. References External links Paul David Magriel, 1906– (father) at LC Authorities with 18 records Renée Magriel Roberts (first wife) at LC Authorities with 1 record 1946 births 2018 deaths American poker players American backgammon players New Jersey Institute of Technology faculty New York University alumni Princeton University alumni People from Manhattan