We've already been over this. There are certain problems computers can't solve (for example, undecidable problems). There are other problems which are sufficiently complex that it's not feasible for a player to solve them with a script. Finally, depending on the combat system, some of these problems simply won't be worth solving.
DonathinFrye's map would probably not be very difficult to solve, although there are ways to make it more difficult. My real concern would be how blind players could deal with it.
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