This page explains how Fei Peng (USATT# 221153)'s rating went from 938 to 938 at the Spttc Wednesday night league event from 6 Nov 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.