This page explains how Wucheng Tao (USATT# 88721)'s rating went from 2086 to 2091 at the Swan Friday O2000 Team League event from 30 Jun 2017. 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.