The AI Pretender design is insane!

[Agrajag]

hnchrist3 said:
Just programming a system not to lose at tic-tac-toe is hard, and that is a closed, super-simple, well-defined system.

Not really, since Tic Tac Toe has a known undefeatable strategy.
But yes, even slightly more complex games are very hard to write good AIs for.

[Morkilus]

Even Checkers and Connect Four have been "solved". That means there is no way for an AI programmed correctly to lose. These are much simpler games, though.