This page explains how Jeffrey Cumes (USATT# 78403)'s rating went from 1511 to 1527 at the 2018 Hawaii Island Open held on 9 Nov 2018 - 11 Nov 2018. 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.