Famous for his chess columns in the New York Post and Chess Life, this writer and renowned chess player became an International Chess Master in the mid-1970s and a Chess Grandmaster in the early 1980s.
At the start of his career, he won an early 1970s chess competition in Reggio Emilia, Italy.
His chess-themed books include Confessions of a Chess Grandmaster, Turning Advantage into Victory in Chess, and Karl Marx Plays Chess : And Other Reports on the World's Oldest Game.
He was born in Hazleton, Pennsylvania.
He, Timothy Taylor, and Russian chess player Leonid Shamkovich tied for first place at the 1977 United States Open Championship.