This page explains how John Yoon (USATT# 12659)'s rating went from 1837 to 1930 at the Chicago Table Tennis Club Tour held on - 18 May 2002. 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.