This page explains how Merr W. Trumbore (USATT# 10675)'s rating went from 1849 to 1845 at the Crossover Table Tennis League event from 22 Jan 2007. 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.