All you superbrains out there, think on this! The third annual Mind Sports Olympiad a mass competition of games for the brain, is on its way - mental! Loads of clever folk will be rocking up at London's Olympia Conference Centre between August 21 and 29, to play everything from Scrabble to dominoes and backgammon. Anyone can join in. Whether you're eight or 80, what matters is your grey matter! Interested? Go to www.mindsports.co.uk www.msoworld.com