This page explains how Xiangyu Liu (USATT# 77056)'s rating went from 1962 to 1995 at the Princeton Theological Seminary event from 22 Jul 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.