It's more than intuition. Both chess and jeopardy are subsets of the human environment. Watson couldn't handle tic-tac-toe, never-mind chess. Change one rule of

It's more than intuition. Both chess and jeopardy are subsets of the human environment. Watson couldn't handle tic-tac-toe, never-mind chess. Change one rule of chess, and human could cope but Deep Blue would need to be rewritten.