This page explains how Yueming Xiao (USATT# 18898)'s rating went from 2157 to 2110 at the Holland Open 2 Star held on - 7 Apr 2013. 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.