This page explains how Xue Ming Feng (USATT# 265297)'s rating went from 1174 to 1221 at the AMDT event from 14 Aug 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.