Boyd has historically done the best job of copying their formula. They'll tweak it from time to time and not really release the info on every single nuance. He usually gets it figured out almost exactly. I think he's even found a mistake or two on their part from time to time.
Not a poll. No human votes or anything. The scores are all part of a formula that uses wins and losses for you, your opponents, and your opponent's opponents with weighting for home and away wins/losses.