Human chess players examine a few future moves at a rate of several per second, using experience and intuition to avoid considering irrelevant moves. And it wins games. As is often pointed out, airplanes fly faster than bi rds but without flapping their wings. For years, chess programs have defeated grandmasters when moves must be made rap idly. And the present checker champion of the world is a computer program.
Chess is far from being solved.
But computers have passed a Turing chess test. A grandmaster cannot know whether his hidden opponent is another grandmaster or a computer program. But that achievement is a far cry from the complexity of huma n intelligence. Philo sophers have broadened the term to apply to the evolution of the universe after it exploded into existence. The formation of galaxies, stars and planets are striking examples.