All the ranking methods on this site solve an associated linear system. The purpose is for wins against strong teams to count more
to an overall rating than wins against weaker teams. If you include scores, then a win by 1 point is worth less than
a win by 2 points. Which is better? It depends. We have found that for evenly matched teams scores can create noise
that weakens the rankings. Yet, you may want to try each and lean on your intuition of the game.