This page explains how Natalie Chan (USATT# 198840)'s rating went from 1531 to 1639 at the 2017 West Coast Teams held on 24 Nov 2017 - 26 Nov 2017. 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.