This page explains how Janice Cheng (USATT# 214589)'s rating went from 1091 to 1077 at the Swan Sunday League event from 5 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.