http://queue.acm.org/icpc/ACM Queue Magazine is offering an online programming competition based on the 2011 International Collegiate Programming Competition (ICPC) Challenge problem. Participants will get to code a player and compete with others in the game of Coercion. Preliminary matches during the one-month coding phase will let you know how well your player is doing. A final double-elimination competition among all the submitted players will decide whose player is best.
http://queue.acm.org/icpc/