This metaphor doesn't really work because the entire point of a game—the thing that makes playing it playful—is that it has no effect on the world outside of th

This metaphor doesn't really work because the entire point of a game—the thing that makes playing it playful—is that it has no effect on the world outside of the game itself. Thus, ignoring the rules of chess to reach a goal doesn't make sense. There are no chess goals that don't involve the game of chess. This isn't true in programming or real-world tasks where you are trying to accomplish some external objective.