This page explains how Wing Man Tam (USATT# 10456)'s rating went from 1820 to 1850 at the Fresno Fall Classic held on - 7 Nov 1998. 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.