This page explains how Brian Chia (USATT# 30737)'s rating went from n/a to 1953 at the ICC Juniors and Adults League event from 7 Aug 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.