Improve your chess and your mind
Chess is a great game. If you're past the basics, know the rules but still lose, what's the next step? This article is a great starter on basic concepts that can improve anyone's game. A brief quote:
(via LifeHacker) Chess: basic principles: "The beginning of the game (a.k.a. opening) should be viewed as a 'race' with two goals:
* to control as much of the board as possible
* to develop most of the attacking pieces"

