For all you budding Kasparovs out there, a team of cognitive scientists has worked out how to think like a chess grand master. As those attending this week's Cognitive Science Society meeting in Chicago, Illinois, were told, the secret is to try to knock down your pet theory rather than finding ways to support it - exactly as scientists are supposed to do. "This is a new result in the psychology of chess, as far as I know," says Mark Orr, a chess enthusiast and Ireland's first international master. The research could help developing chess players to hone their skills,...