I like it, but it strikes me that there are actually not that many valid moves you can make in the example problem. Maybe this isn't true in other examples, but

I like it, but it strikes me that there are actually not that many valid moves you can make in the example problem. Maybe this isn't true in other examples, but I found most of my time thinking about this was simply realizing that most of my desired moves were off limits. Perhaps that's the point, it just struck me.