And even with the right algorithm, we had to be very careful with our early experiments, because if we got any of these factors wrong, there was no way to tell what the problem was.
Like if you look at Magnus' games, there are a lot of situations where the position is equal, but there's, or it's equal with one move, but only one move.
She was much too fond of Heathcliff. The greatest punishment we could invent for her was to keep her separate from him: yet she got chided more than any of us on his account.