>> yeah. >> and i like magnus carlsen. >> simon: you like magnus.s is now routinely taught in schools all over the world, including the united states. in some countries, it's compulsory. chess can be taught, but not genius. magnus seemed like a normal enough kid growing up outside oslo. but wait a minute-- when he was five, he could name almost all the countries in the world and their capitals and their populations. magnus's father, henrik, didn't think that was terribly unusual. >> henrik carlsen: he did have a good memory, and the ability to concentrate for hours at a time on the specific topic. and he seemed to be interested in a lot of things, new things, all the time. but i thought that was normal. >> simon: what got him into chess? sibling rivalry. his older sister started to play, so he wanted to beat her, which he did, quickly. then, he started winning tournaments. before long, he became a celebrity, one of the first norwegians to excel in a sport that did not involve snow. people lined up in shopping malls to play him. when he won, magnus s