This page explains how RAYMOND D. SPANN (USATT# 10171)'s rating went from 1591 to 1597 at the Lakeland Table Tennis League event from 18 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.