This page explains how Xiangyu Liu (USATT# 77056)'s rating went from 1929 to 1923 at the Princeton Theological Seminary event from 8 Aug 2011. 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.