Right, although I didn't mean castling into check. I meant tempting a greedy algorithm by throwing away a high value piece (which was always a weakness of early

Right, although I didn't mean castling into check. I meant tempting a greedy algorithm by throwing away a high value piece (which was always a weakness of early chess machines), although I realize the tree search would spot that. Also now that I'm awake, read the article fully now. Very cool, makes me want to try building one!