This page explains how Liem Tran (USATT# 148855)'s rating went from 1231 to 1236 at the PTTC Saturday League event from 29 Aug 2015. 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.