This page explains how Tong Lai Lai Yu (USATT# 21768)'s rating went from 1695 to 1689 at the Orange County TTA Open held on 20 Aug 2016 - 21 Aug 2016. 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.