>> carlsen: yeah.ess was war. it was a battleground in the cold war with the russians, who were dominant. but then, an american came along. his name was bobby fischer. in 1972, he took on the russian champion boris spassky, and he won. it was an international spectacle. and the enthusiasm has not waned. back in london, just down the corridor from where magnus is playing, 500 novices are learning how to master kings and queens. do you ever play any grownups? >> yes. yes, i do play grownups. in fact, i'm getting the hang of playing grownups. >> simon: who's your favorite chess player? >> bobby fischer. >> simon: bobby fischer? >> yeah. >> and i like magnus carlsen. >> simon: you like magnus. chess 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 a