Why We Play StarCraft from 1UP.com
"There are a number of considerations that go into the basic StarCraft match, and having a good build order in mind is only the beginning. A good player can determine troop deployment and economic expansion on a macro scale, then micromanage those troops in such a way as to maximize their effectiveness. As in Chess, they're always thinking ten steps ahead, ready to switch gears at a moment's notice and pounce on an opponent's mistake." 1up.com