This page explains how Calvin Tinhang Chan (USATT# 73906)'s rating went from 2143 to 2125 at the Lily Yip TT Ctr May Open held on - 15 May 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.