Not quite up there with the 1980 Winter Olympics’ ‘Miracle on Ice’, but Japan’s stunning 34-32 win over the Springboks must surely rate as one of Rugby World Cups’ greatest upsets. Later tonight (Australian Eastern time) the Brave Blossoms meet Scotland, so ahead of that clash and Australia’s opening pool match against Fiji at 1:45am Thursday morning, Hamish Neal has put together this primer for the 2015 RWC. [Sir Ritchie McCaw and ‘peasant referees’ tells you all you need to know about where The Hammer’s allegiances lie. Make of that what you will… – Ed]