CGT and Zugzwangs
Interesting article about the applications of Combinational Game Theory (CGT) to chess endgames. It never occurred to me you could analyze the endgame in this manner, very very cool.
If you've never heard of a Zugzwang position, you may want to skip over this one 
Here's the article itself (PDF format)
The author is Noam Elkies, a well-known Harvard Math professor. You can learn more about him here:
http://www.math.harvard.edu/~elkies/
