Ply (game theory) consists of one proposed move by the machine and one anticipated reply by the opponent"). In computing, the concept of ply is important because one ply corresponds to one level of the game tree. The Deep Blue chess computer which defeated Kasparov in 1997 would typically search to a depth of between six and sixteen plies to a maximum of forty plies in some situations. Ply (game theory) In two-player sequential games, a ply is one turn taken by one of the players. The word is used to clarify what is meant when one might otherwise say "turn". The word
The Deep Blue Good-by time, we see the American culture change, from the Kennedy years in "The Deep Blue Good-bye" through the upheaval of hippie counterculture and the sexual revolution of the late 60s and 70s until the last book in the series at the end of the Reagan years in the mid-80s. As a chronicler of the cultural zeitgeist, MacDonald has been compared favorably with Charles Dickens. Reading the McGee novels in sequence therefore gives the reader a fascinating experience of seeing McGee change through the decades as American culture also changes. When MacDonald created the character, he was to be called Dallas