- Raises your IQ: Do smart people play chess, or does chess make people smart? At least one scientific study has shown that playing the game can actually raise a person’s IQ. A study of 4,000 Venezuelan students produced significant rises in the IQ scores of both boys and girls after four months of chess instruction. So grab a chess board and improve your IQ!
http://www.healthfitnessrevolution.com/top-10-health-benefits-chess/
A good question. Personally, I believe that if a person pours all they have into a specific art, they'll eventually reach zero, the point where mastery of one thing means mastery of another.