This page explains how Iris Chan (USATT# 45035)'s rating went from 1179 to 1192 at the Hawthorne TTT held on - 5 May 1996. 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.