This page explains how Matt Mathews (USATT# 18730)'s rating went from 1582 to 1552 at the YC Lee Memorial Open held on 30 Apr 2016 - 1 May 2016. 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.