This page explains how RAYMOND D. SPANN (USATT# 10171)'s rating went from 1684 to 1689 at the Lakeland Table Tennis League event from 24 Apr 2005. 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.