Graham: The defeat of the world' s chess champion by a computer shows that any type of human intellectual activity governed by fixed principles can be mastered by machines and thus that a truly intelligent machine will inevitably be devised  Adelaide: But you are overlooking the fact that the computer in the case you cite was simply an extension of the people who programmed it
It was their successful distillation of the principles of chess that enabled them to defeat a chess champion using a computer
a computer's defeat of a human chess player is an accomplishment that should be attributed to the computer