This page explains how Bou-Yu Chen (USATT# 88052)'s rating went from 1276 to 1571 at the 2013 JOOLA N. American Teams O held on - 1 Dec 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.