|Professor Freeze interviews Simmons during Tuesday's craft talk. Simmons said: One of the great differences between someone who can write a good tale that may last a while and an amateur, or what amateurs don’t quite understand, is something [Game of Thrones author] George R. R. Martin, who is a chess master, pointed out. When they began to program computers to play chess, they learned something important about the human mind. Chess masters aren’t like the IBM chess programs—trying to crunch two million possibilities and prioritize the top four. A chessmaster only sees the best three or four best moves, so has a very small set of choices, and that actually begins to happen when you’re a writer. I’m playing a movie in my head, and after awhile I don’t go down too many false avenues.