<http://schema.org/description>
"Have you ever wondered how a $30 program can consistently beat you at chess? Computer chess programs calculate their game plan based on formulas -- algorithms that determine whether a position is &amp;quot;good&amp;quot; or &amp;quot;bad,&amp;quot; taking the whole board into account."^^<http://www.w3.org/2001/XMLSchema#string>
<http://electronics.howstuffworks.com/chess1.htm>