This page explains how Robert G. Johnson (USATT# 15048)'s rating went from 1309 to 1409 at the Sunrise Stiga Table Tennis League event from 16 Oct 2004. 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.