Codupyga

A programming game where you have to write an AI to play in chess style games

Craig W. O'Brien
(ichabod)

This is a programming game, where you write the AI for a chess style game. Then you battle your AI against someone else's AI and see who is the best programmer. Best of all, you write your AI's in python. Plus you can program your own chess variants to have your AIs fight it out in.