This page explains how Michael Kendrick Groom (USATT# 77764)'s rating went from 1766 to 2021 at the 2014 Stiga Portland Open held on - 2 Nov 2014. 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.