This page explains how Thinh Mac (USATT# 62819)'s rating went from 2136 to 2120 at the Bay Area Table Tennis Federation event from 14 Nov 2009. 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.