This page explains how Brian Ngeunjuntr (USATT# 94254)'s rating went from 1203 to 1228 at the Spring Open held on 25 Mar 2017 - 25 Mar 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.