London: Humans should embrace the change smart machines offer society, says former chess world champion Garry Kasparov, reports BBC.

In a speech at Def Con in Las Vegas he said the rise of artificially intelligent machines would not be a huge threat to humanity.

However, he said, there was likely to be huge social change as the "shaky hands" of humans were replaced.

Kasparov welcomed the change and said it would be good if the effects could be accelerated. In a wide-ranging speech that drew on his experiences playing chess against IBM's Deep Blue computer and many other so-called smart machines, he sought to put the current rise of AI into historical context.

Only now, he said, were we starting to get true AI by which he meant a "black box" which reached its decisions by itself and whose reasons for making those choices was impossible to unpick.

He cited Google's AlphaGo computer as an example of this kind of AI.