This page explains how Jason T. Tin Lau (USATT# 75018)'s rating went from 1228 to 1236 at the Los Angeles Table Tennis Association event from 15 Dec 2012. 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.