This page explains how Merr W. Trumbore (USATT# 10675)'s rating went from 1814 to 1813 at the Crossover Table Tennis League event from 30 Jan 2006. 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.