This page explains how Phillip Tam (USATT# 61048)'s rating went from 2110 to 2043 at the US Open Teams Championships held on - 30 Nov 1997. 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.