This page explains how Liem Tran (USATT# 148855)'s rating went from 1252 to 1284 at the PTTC Saturday League event from 26 Aug 2017. 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.