This page explains how Xue Ming Feng (USATT# 265297)'s rating went from 1291 to 1286 at the AMDT event from 29 Jan 2020. 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.