This page explains how Natalie Chan (USATT# 198840)'s rating went from 1920 to 1930 at the SITTA Hopes Qualifier held on 25 Jan 2019 - 25 Jan 2019. 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.