This page explains how Uko Marcus (USATT# 3701)'s rating went from 1893 to 1885 at the Gwinnett Table Tennis Club event from 10 Jun 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.