This page explains how Mario Davila (USATT# 21199)'s rating went from 1858 to 1846 at the Long Island's Woodbury Table Tennis League event from 21 Apr 2015. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.