He was known for his work on Bayesian statistics. Kass and Raftery credit Good (and in turn Turing) with coining the term "Bayes factor". Good published a number of books on probability theory. In 1958 he published an early version of what later became known as the fast Fourier transform but it did not become widely known. He played chess to county standard and helped popularise Go, an Asian boardgame, through a 1965 article in "New Scientist" (he had learned the rules from Alan Turing). In 1965 he originated the concept now known as "intelligence explosion" or the "technological singularity, which anticipates the eventual advent of superhuman intelligence: