This page explains how Wai M. Wong (USATT# 45824)'s rating went from 1986 to 1989 at the The Top Spin Saturday League event from 27 Apr 2013. 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.