This page explains how Jedidiah Chung (USATT# 91189)'s rating went from 1557 to 1569 at the Rockwell Spring Table Tennis Tournament 2015 held on - 25 Apr 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.