Online prediction market Intrade enabled people to put money where their mouth is. In 2011, the first chess game between Garry Kasparov and chess program X3D Fritz was subject to an online bet with the following simple prediction: 'Match to Draw'.
As CNN reported, World No. 1 chess player Garry Kasparov was indeed held to a draw in the first game of his latest match against a computer and admitted having difficulty with the program's virtual reality component.
Intrade Prediction Market, 2011 - http://www.intrade.com/v4/home/