He's really sort of the devil. He's completely emotionally detached. He has no empathy. You find that in psychopaths. It's about power with Voldemort. It's an aphrodisiac for him. Power makes him feel alive.
“One of the things that first attracted me to chess is that it brings you into contact with intelligent, civilized people - men of the stature of Garry Kasparov, the former world champion, who was my part-time coach.”