Why can't I delete Chess.app Why is Chess.app "required by OS X"?

I don't use it, and I can't delete it. Is it really required by the operating system?
It is a crucial component in OS X's anti-boredom technology.

Non-troll answer: Yes, you can delete it.

run this command in Terminal:

sudo rm -rf /Applications/Chess.app


enter your password and push return