This page explains how Jiawen (john) Bian (USATT# 17048)'s rating went from 2035 to 2030 at the Experior Club League event from 23 Nov 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.