I've been testing a somewhat old version from github (77c462709129376c2f259561d4e9af25c4e38303). The only thing I grab from more recent versions is pools.cfg. I got 47% of the block owner guesses correct... This seems kind of disappointing, but in fact it's much better than pident score accuracy (34%) which seems to be the method to be beaten.

I don't know if people are saving stats, but are newer versions any better? If yes, with or without p2p turned on?