This page explains how Raymond Zhu (USATT# 98266)'s rating went from 1158 to 1170 at the WCTTA Saturday League event from 19 May 2018. 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.