 By not reducing the exponent to a single number for teams in any season, Davenport was able to report a 3.9911 root-mean-square error as opposed to a 4.126 root-mean-square error for an exponent of 2.Less well known but equally (if not more) effective is the Pythagenpat formula, developed by David Smyth.Davenport expressed his support for this formula, saying